Malware Analysis Report

2025-08-10 22:58

Sample ID 230328-crjldsge45
Target c25637fbfe2385e67f42378ccbd68474.bin
SHA256 46e1f20cc0a0999807fc4418d70cfe88365a7defb14a5d26f57d1c4d2d6dfb88
Tags
ransomware spyware stealer
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

46e1f20cc0a0999807fc4418d70cfe88365a7defb14a5d26f57d1c4d2d6dfb88

Threat Level: Likely malicious

The file c25637fbfe2385e67f42378ccbd68474.bin was found to be: Likely malicious.

Malicious Activity Summary

ransomware spyware stealer

Modifies extensions of user files

Deletes itself

Reads user/profile data of web browsers

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-03-28 02:18

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-28 02:18

Reported

2023-03-28 02:21

Platform

win7-20230220-en

Max time kernel

42s

Max time network

33s

Command Line

"C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe"

Signatures

Modifies extensions of user files

ransomware
Description Indicator Process Target
File renamed C:\Users\Admin\Pictures\CopyReceive.png => C:\Users\Admin\Pictures\CopyReceive.png.dark_power C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File renamed C:\Users\Admin\Pictures\RenameUnprotect.tiff => C:\Users\Admin\Pictures\RenameUnprotect.tiff.dark_power C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File opened for modification C:\Users\Admin\Pictures\SuspendOpen.tiff C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File renamed C:\Users\Admin\Pictures\GroupUndo.raw => C:\Users\Admin\Pictures\GroupUndo.raw.dark_power C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File renamed C:\Users\Admin\Pictures\RegisterApprove.crw => C:\Users\Admin\Pictures\RegisterApprove.crw.dark_power C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File renamed C:\Users\Admin\Pictures\SyncSplit.tiff => C:\Users\Admin\Pictures\SyncSplit.tiff.dark_power C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File renamed C:\Users\Admin\Pictures\SuspendOpen.tiff => C:\Users\Admin\Pictures\SuspendOpen.tiff.dark_power C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File renamed C:\Users\Admin\Pictures\ClearInitialize.raw => C:\Users\Admin\Pictures\ClearInitialize.raw.dark_power C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File renamed C:\Users\Admin\Pictures\UninstallCopy.png => C:\Users\Admin\Pictures\UninstallCopy.png.dark_power C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File renamed C:\Users\Admin\Pictures\UnregisterEnable.tiff => C:\Users\Admin\Pictures\UnregisterEnable.tiff.dark_power C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File opened for modification C:\Users\Admin\Pictures\RenameUnprotect.tiff C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File opened for modification C:\Users\Admin\Pictures\UnregisterEnable.tiff C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File renamed C:\Users\Admin\Pictures\StepRestore.raw => C:\Users\Admin\Pictures\StepRestore.raw.dark_power C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File renamed C:\Users\Admin\Pictures\ShowUninstall.tif => C:\Users\Admin\Pictures\ShowUninstall.tif.dark_power C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A
File opened for modification C:\Users\Admin\Pictures\SyncSplit.tiff C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A

Reads user/profile data of web browsers

spyware stealer

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe

"C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

Network

N/A

Files

memory/1380-54-0x000000013F650000-0x000000013F79B000-memory.dmp

C:\Users\Public\Libraries\readme.pdf

MD5 36e8331744711a54ca02a0e89f01fcb6
SHA1 cdca324c47a540df16f9fb620e0474feae524a85
SHA256 d253b10f3de3c9f6bb2b4f7f88a0591c0f85633323d72a6e5e5f4179b2446429
SHA512 e67e90ca398d18775c43a2a42a1c201930e93800f3afca159510a8f6b3fd18cf3c48c1570704f19a82bb9c4f3bf6b75d8e30057bbcac923ae30b33d6e4e83358

memory/1380-367-0x000000013F650000-0x000000013F79B000-memory.dmp

memory/1380-368-0x000000013F650000-0x000000013F79B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-28 02:18

Reported

2023-03-28 02:21

Platform

win10v2004-20230220-en

Max time kernel

135s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe"

Signatures

Modifies extensions of user files

ransomware
Description Indicator Process Target
File renamed C:\Users\Admin\Pictures\MoveAdd.raw => C:\Users\Admin\Pictures\MoveAdd.raw.dark_power C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A

Reads user/profile data of web browsers

spyware stealer

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe

"C:\Users\Admin\AppData\Local\Temp\425c0e99221b064d1577ac907a4803d14f4e67a305742aa2c1e80382b967831b.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 52.152.110.14:443 tcp
FR 51.11.192.49:443 tcp
NL 8.238.21.126:80 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 62.13.109.52.in-addr.arpa udp
NL 8.238.22.254:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp
US 93.184.220.29:80 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp

Files

memory/2000-133-0x00007FF600AE0000-0x00007FF600C2B000-memory.dmp

C:\Users\Admin\Favorites\readme.pdf

MD5 36e8331744711a54ca02a0e89f01fcb6
SHA1 cdca324c47a540df16f9fb620e0474feae524a85
SHA256 d253b10f3de3c9f6bb2b4f7f88a0591c0f85633323d72a6e5e5f4179b2446429
SHA512 e67e90ca398d18775c43a2a42a1c201930e93800f3afca159510a8f6b3fd18cf3c48c1570704f19a82bb9c4f3bf6b75d8e30057bbcac923ae30b33d6e4e83358

memory/2000-374-0x00007FF600AE0000-0x00007FF600C2B000-memory.dmp

memory/2000-379-0x00007FF600AE0000-0x00007FF600C2B000-memory.dmp