stealc | 144e8f7fe9322aee4706e0496dd19ac65427a254eeab07130bdd9d4dd4186098

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
19/08/2024, 13:40

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General

Target

file.exe
Size

206KB
MD5

f6b3d422501a566c90a133b3fea8d506
SHA1

00b2c07e6da9107fe140d7f6762fe3087442c55b
SHA256

144e8f7fe9322aee4706e0496dd19ac65427a254eeab07130bdd9d4dd4186098
SHA512

c6844eed98fc8071b351a74af06c3a8be5b1acbd914884813871a5f31afb19944147263da604634b5005a6de7100c4873de0c6a2a232cbcc9e575bc006e60242
SSDEEP

3072:d3g5D9wZiRI0+Kgu3PyTDDp9XVqAFiRV/hb0qhjDy4mtmY5Kwo8Op948r+A1KhHw:9g5D9wEhLgu34gAFiRXhSxtEyhoEO

Score

10^/10

stealc nord discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

nord

http://185.215.113.100

Attributes

url_path
/e2b1563c6670f193.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3036 set thread context of 2684	3036	file.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2656	2684	WerFault.exe	30

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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 3036 wrote to memory of 2684	3036	file.exe	30
PID 2684 wrote to memory of 2656	2684	RegAsm.exe	31
PID 2684 wrote to memory of 2656	2684	RegAsm.exe	31
PID 2684 wrote to memory of 2656	2684	RegAsm.exe	31
PID 2684 wrote to memory of 2656	2684	RegAsm.exe	31

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 252
    3⤵
    - Program crash
    PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2684-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2684-14-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2684-11-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2684-17-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2684-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2684-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2684-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2684-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2684-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3036-1-0x0000000000A90000-0x0000000000AC8000-memory.dmp

Filesize
224KB

Download
memory/3036-15-0x0000000073D90000-0x000000007447E000-memory.dmp

Filesize
6.9MB

Download
memory/3036-0-0x0000000073D9E000-0x0000000073D9F000-memory.dmp

Filesize
4KB

Download
memory/3036-18-0x0000000073D90000-0x000000007447E000-memory.dmp

Filesize
6.9MB

Download