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Ulpack.exe Trojan Wacatac Analysis

Updated 1 year ago
Checked by Malware Check
Ulpack.exe

Technical Analysis

File Name Ulpack.exe
File Type
PE32 executable (console) Intel 80386, for MS Windows
Scanner Version 1.0.181.174
Database Version 2024-06-30 18:00:15 UTC
⚠

Ransom.Win32.Wacatac.sa

Malware family: Wacatac

Wacatac malware demonstrates multiple malicious capabilities including data theft, system compromise, and secondary payload deployment. It can download additional malware components including ransomware to extend attack impact.
N/A
Detection Rate
517,632
File Size (bytes)
2024-06-30
Analysis Date

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File Identification

Hash Type Value Action
MD5
b44047c48b253a0f4df89a5e7ca2a5d2
SHA1
8eee3b2c623591c8458f0a64d9851df0f003df3a
SHA256
cc9944f99ff87e2cb56fb44a90bd34b4cd94404c317e219ddf32f9f83c421b66
SHA512
7df42609ea521c18b7cc71e995072bdd4c55e6de760de7c2fc31ff604c4f919d84b131a6940e58560e7b5c501024cbca26bf70ddd001676d64bd6028d8acaceb
ImpHash
bea8657593f34831fef16a15915f462d

PE Analysis

Basic Information

▼
Image Base 0x00400000
Entry Point 0x00407452
Compilation Time 2024-06-29 21:07:10
Checksum 0x00000000 (Actual: 0x0008cb1b)
OS Version 6.0
PEiD Signatures PE32 executable (console) Intel 80386, for MS Windows
Digital Signature The PE file does not contain a certificate table.
Imports 2 libraries
USER32, KERNEL32
Exports 1 functions
Resources 0 Resources
Sections 5 Sections

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 142,854 bytes 143,360 bytes 6.64 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ F50233687654E025DA6F05BF88C1CC90
.BsS 0x00024000 3,613 bytes 4,096 bytes 5.98 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ A25829D7FB2311D1DA2B85D76325EC22
.rdata 0x00025000 44,596 bytes 45,056 bytes 5.04 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ B4FD723C9E00D3AFECAC2E7666F8A012
.data 0x00030000 320,244 bytes 316,416 bytes 7.99 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE DE2DEE970CF175F2455256D31E84C259
.reloc 0x0007f000 7,452 bytes 7,680 bytes 6.49 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 5664A7C401540B618CBBDAE278797B56
Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

1 section(s) with elevated entropy (≥6.5) - possible compression

Certificate Chain Analysis

▼
No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

The PE file does not contain a certificate table.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Ransom.Win32.Wacatac.sa Removal

Gridinsoft has the capability to identify and eliminate Ransom.Win32.Wacatac.sa without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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