9a18fdec476ae659ae5d79a06c9fdf7f0a36e685430a9bc2b59418604bf785ad

Analysis

max time kernel
61s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
31/03/2023, 17:30

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General

Target
33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
Size 1.1MB
Sample230331-v3jpmsdd4t
SHA256 33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389
MD5 5e55339ce16c718983c435f51967153b
SHA1 2e72fe42f572d0ed93ac74063877ff6e4e1fa33d
SHA512 6b122e6a4e7570c271f47b139ac62280afbb03306a8202dd60fd9775d41d83661e3036ea9aafa1b7ac31df4366ffaeb98910efd2fbd2c334c7ef71ca33e3a081
SSDEEP 24576:G1/uUXmxZLauIytkH+Yz/nchhH2yvrchhH2y+/0mhwLlz2Ya6sncEPyiZtm:euU2LtenrnchhH2yvrchhH2y+/0mhwL7
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

ransomware spyware stealer

Malware Config

Signatures

Modifies extensions of user files 13 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\UnlockNew.tif => C:\Users\Admin\Pictures\UnlockNew.tif.dark_power	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
File renamed	C:\Users\Admin\Pictures\DisconnectBackup.tif => C:\Users\Admin\Pictures\DisconnectBackup.tif.dark_power	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
File renamed	C:\Users\Admin\Pictures\PingTest.tiff => C:\Users\Admin\Pictures\PingTest.tiff.dark_power	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
File renamed	C:\Users\Admin\Pictures\StopConvert.crw => C:\Users\Admin\Pictures\StopConvert.crw.dark_power	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
File renamed	C:\Users\Admin\Pictures\SaveOptimize.tiff => C:\Users\Admin\Pictures\SaveOptimize.tiff.dark_power	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
File opened for modification	C:\Users\Admin\Pictures\UnpublishConfirm.tiff	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
File opened for modification	C:\Users\Admin\Pictures\OptimizePop.tiff	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
File renamed	C:\Users\Admin\Pictures\OptimizePop.tiff => C:\Users\Admin\Pictures\OptimizePop.tiff.dark_power	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
File opened for modification	C:\Users\Admin\Pictures\PingTest.tiff	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
File opened for modification	C:\Users\Admin\Pictures\SaveOptimize.tiff	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
File renamed	C:\Users\Admin\Pictures\UnpublishConfirm.tiff => C:\Users\Admin\Pictures\UnpublishConfirm.tiff.dark_power	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
File opened for modification	C:\Users\Admin\Pictures\CopyUpdate.tiff	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
File renamed	C:\Users\Admin\Pictures\CopyUpdate.tiff => C:\Users\Admin\Pictures\CopyUpdate.tiff.dark_power	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe

Deletes itself 1 IoCs

pid	Process
4228	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4228	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 4036	4228	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe	91
PID 4228 wrote to memory of 4036	4228	33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe	91

C:\Users\Admin\AppData\Local\Temp\33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe
"C:\Users\Admin\AppData\Local\Temp\33c5b4c9a6c24729bb10165e34ae1cd2315cfce5763e65167bd58a57fde9a389.exe"
1⤵
- Modifies extensions of user files
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4228
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:4036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

readme.pdf

Path C:\Users\Admin\Favorites\readme.pdf
Size 368KB
SHA256 086dbf48629378a584486e69147777562f0a7f2acab56ab998ce2f3846b43e2e
MD5 ea36e01b49cf28d5983a9a0248832906
SHA1 a9aa07e277a1ad65b0b57f7336f391bc81a7cc84
SHA512 33050edf8b47acc269078a99080314baab74e2342c6b33e5ef46db5bbadb0dc86459b0e4be6c07be9fd99991b1bfcf1bec879834acb227cdfbeda041a92441f1
SSDEEP 6144:UQo0GaezV/MeIljYGHyBaNQheoOtsXDDw7Aj2iEiVS6CXBJOe0g:UjpxIljyMidfXHGL
MD5 SHA1 SHA512 SSDEEP

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memory/4228-133-0x00007FF7EA350000-0x00007FF7EA44C000-memory.dmp

Download

memory/4228-400-0x00007FF7EA350000-0x00007FF7EA44C000-memory.dmp

Download

memory/4228-441-0x00007FF7EA350000-0x00007FF7EA44C000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads