stealc | dd0bebc17d103b682c00e5cc6f92ae28432a357cc9f9fc49f1747d28931c6402

General

Target
file.exe
Size 766KB
Sample260703-plwd8ag191
SHA256 dd0bebc17d103b682c00e5cc6f92ae28432a357cc9f9fc49f1747d28931c6402
MD5 e1b807c2d7b670f8b7ba75df1fc4dbdd
SHA1 f1a125525920011ef6658b2ab21aeb03ef107fc3
SHA512 2eef79880478b905b3b7edfac8f04973d52777cb4a91e9bfe29ff1d3a0799781e2f33e9d9f12ccf679c2fa1431f34d037e4f385717de9c54c32cb4dd276a740b
SSDEEP 12288:cPgLoOm0BuwC6ewkMOayY/1XyxBlDetAqxSvvJ/:coLZgwLrk9ad/tyb
TLSH
T144F47D1AF3A502FCD0BBC178CA524552EB72BC565330A69F03D15A6A1F376A06F3EB11
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

v2 discovery stealc spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

v2

C2

http://64.224.17.118/b98b577ad87f42dbbf91.php

Attributes

url_path
/b98b577ad87f42dbbf91.php

rc4.traffic_key

rc4.plain

Signatures

Family: Stealc
Stealc is an infostealer written in C++.
stealer stealc

Deletes itself 1 IoCs

pid	Process
3180	file.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3180	file.exe
3180	file.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3180	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 1576	3180	file.exe	88
PID 3180 wrote to memory of 1576	3180	file.exe	88
PID 3180 wrote to memory of 2860	3180	file.exe	91
PID 3180 wrote to memory of 2860	3180	file.exe	91
PID 3180 wrote to memory of 3372	3180	file.exe	94
PID 3180 wrote to memory of 3372	3180	file.exe	94
PID 3180 wrote to memory of 5980	3180	file.exe	98
PID 3180 wrote to memory of 5980	3180	file.exe	98

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Deletes itself
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3180
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe"
  2⤵
  PID:1576
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2860
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3372
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:5980

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:1324

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:3640

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:5416

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:3656

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:6104

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:4928

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:6016

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:3120

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

2

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

918048C9-A652-E635-F641-7AEDDE392225.txt

Path C:\ProgramData\918048C9-A652-E635-F641-7AEDDE392225.txt
Size 64B
SHA256 f31c0653b73418ca13c5f1092f221a56657ad1812c950032bad011a8e5e26ad6
MD5 21b8bf912af17673d2972b67b371040a
SHA1 db3dc095cbe9c89ade2b963744af8960983d3c3d
SHA512 a967e08923434b325b1277ccaa697fb5ce840a80fc682c1c895fd2ac5e2718d489f598474eba3958ac26db4d4558687fc16bf134a2ee45b48c092d4dd15e7ff5
TLSH
T17EA02200ABA80C030E802C02020A0F828280B8283A200AC088303083CA0B2C80000280
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3180-2-0x00007FF6839A0000-0x00007FF683A74000-memory.dmp

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Analysis

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