stealc | da39b26ceb92cf209c1edf7e7b0cfd9379c6b949148062f72f4bfdec65332fd0

General

Target

2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe
Size

17.0MB
MD5

f4181514af3fd8ea734189437cf10e9c
SHA1

94e19afe39ceba93c0a1a6e4be279af7ac628a7b
SHA256

da39b26ceb92cf209c1edf7e7b0cfd9379c6b949148062f72f4bfdec65332fd0
SHA512

d6c050f8df0f2ff9d5f27ebd771ede2082b2736d39c736ae3a7e7ac490b85f69ad2561205602a2c18612921f22dfb3a4da77bb65afc7fd068c9b15c99810a29c
SSDEEP

98304:GywCpreHdcrMN43dhCskcyjoz2P3Csv9PcKJCPoVnkSv6UVse1AQlkYzDcUyCvr+:HpC9iMN0kcV2PPPFC+M9GCBQ8Q0B

Score

10^/10

stealc mainteam credential_access discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

mainteam

C2

http://147.45.47.68

Attributes

url_path
/a8f961c72f0d877c.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
648	BitLockerToGo.exe
648	BitLockerToGo.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4808 set thread context of 648	4808	2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe	88

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	BitLockerToGo.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	BitLockerToGo.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
648	BitLockerToGo.exe
648	BitLockerToGo.exe
648	BitLockerToGo.exe
648	BitLockerToGo.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4808	2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 648	4808	2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe	88
PID 4808 wrote to memory of 648	4808	2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe	88
PID 4808 wrote to memory of 648	4808	2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe	88
PID 4808 wrote to memory of 648	4808	2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe	88
PID 4808 wrote to memory of 648	4808	2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe	88
PID 4808 wrote to memory of 648	4808	2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe	88
PID 4808 wrote to memory of 648	4808	2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe	88
PID 4808 wrote to memory of 648	4808	2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe	88
PID 4808 wrote to memory of 648	4808	2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-28_f4181514af3fd8ea734189437cf10e9c_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:648

Network

MITRE ATT&CK Enterprise v15

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

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/648-0-0x0000000000800000-0x0000000000A43000-memory.dmp

Filesize
2.3MB

Download
memory/648-4-0x0000000000800000-0x0000000000A43000-memory.dmp

Filesize
2.3MB

Download
memory/648-5-0x0000000000800000-0x0000000000A43000-memory.dmp

Filesize
2.3MB

Download
memory/648-6-0x0000000000800000-0x0000000000A43000-memory.dmp

Filesize
2.3MB

Download
memory/648-2-0x0000000000800000-0x0000000000A43000-memory.dmp

Filesize
2.3MB

Download
memory/648-7-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/648-79-0x0000000000800000-0x0000000000A43000-memory.dmp

Filesize
2.3MB

Download

Analysis

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