The LostInWinter exe File Malware Analysis

Technical Analysis

File Name	LostInWinter.exe
File Type	PE32+ executable (console) x86-64 (stripped to external PDB), for MS Windows
Scanner Version	1.0.210.174
Database Version	2025-03-04 08:00:24 UTC

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File Identification

Hash Type	Value	Action
MD5	dc4b9bb8fc2dd6aedfe44cf5fc605372
SHA1	64ae302012e97140ba4611df44f39c376dabe733
SHA256	259694210212dbed4c6b204a68382ed2dc457d74cbb032091d2eb41454de3b0e
SHA512	77e8ade4b15cee282f26b14aa01a0fe642f655c340114ebd23cc8287b78618db8913347a0a39fcd18720cd40459d5e07537a6d1e493d4248026207ba52c3a215
ImpHash	4851ed0e49950e6623e5aac9e4dd1098

PE Analysis

Basic Information

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Image Base	`0x140000000`
Entry Point	`0x1400014f0`
Compilation Time	2025-03-03 21:06:54
Checksum	0x0416c8dc (Actual: 0x0416c8dc)
OS Version	4.0
PEiD Signatures	`PE32+ executable (console) x86-64 (stripped to external PDB), for MS Windows`
Digital Signature	No valid SignedData structure was found.
Imports	23 libraries
Exports	0 functions
Resources	0 Resources
Sections	10 Sections

PE Sections

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Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.text`	`0x00001000`	10,904,360 bytes	10,904,576 bytes	5.65 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`E890542094C779BD3073C2B7B510CD83`
`.data`	`0x00a68000`	5,568 bytes	5,632 bytes	1.59 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`65AEB244C9A657B1244CDFE78AB89558`
`.rdata`	`0x00a6a000`	48,213,792 bytes	48,214,016 bytes	7.79 (Packed/Encrypted)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`C856A29ABCFB562E40919E8A623D8B0D`
`.pdata`	`0x03865000`	629,280 bytes	629,760 bytes	6.70 (Compressed)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`972D9B4B746CE70BA76EA652A29A407A`
`.xdata`	`0x038ff000`	779,148 bytes	779,264 bytes	4.44 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`BB4563E007DB4B3279A1F8F4709EA06B`
`.bss`	`0x039be000`	1,088 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_UNINITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`D41D8CD98F00B204E9800998ECF8427E`
`.idata`	`0x039bf000`	16,112 bytes	16,384 bytes	4.82 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`E5D528467A02DA8978168C5553D00E66`
`.CRT`	`0x039c3000`	120 bytes	512 bytes	0.55 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`F1E2D7041A0F7FEA0AFBC8317CF1A62A`
`.tls`	`0x039c4000`	16 bytes	512 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`BF619EAC0CDF3F68D496EA9344137E8B`
`.reloc`	`0x039c5000`	38,216 bytes	38,400 bytes	5.51 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_DISCARDABLE\|IMAGE_SCN_MEM_READ`	`5539FFAF46C1B75025C1376D315232B4`

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

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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

No valid SignedData structure was found.

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

The LostInWinter.exe File Analysis