stealc | b291b542b34dfbe475683e639f0ce39110bcd17c34eb1cb7214e3e72b4f0a7ef

Analysis

max time kernel
134s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 01:34

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General

Target

dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe
Size

5.1MB
MD5

89f3026dea32a83cc17b59f7590d9467
SHA1

26133c4416d55db05059bf81d5d74db024c184a9
SHA256

dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6
SHA512

af4155c731c7f7d398144918767cfb07dcad45898203f4f25e385bcafc36246f69a7702482d96a4ac250a04fff41097e10b503bc9f5f0f41d7e384af22131275
SSDEEP

49152:XbmCnE1xZIjbisS54ZMtHnHnHAtNtNtNtOVWIXQhzEcRxGVvqx+rjNk7neIhcyPR:cZIvisRO0EcRxGtyqjYeI1R1c

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://193.176.190.41

Attributes

url_path
/2fa883eebd632382.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3484 set thread context of 2864	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.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	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe
3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 2076	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe	87
PID 3484 wrote to memory of 2076	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe	87
PID 3484 wrote to memory of 2076	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe	87
PID 3484 wrote to memory of 2864	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe	88
PID 3484 wrote to memory of 2864	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe	88
PID 3484 wrote to memory of 2864	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe	88
PID 3484 wrote to memory of 2864	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe	88
PID 3484 wrote to memory of 2864	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe	88
PID 3484 wrote to memory of 2864	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe	88
PID 3484 wrote to memory of 2864	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe	88
PID 3484 wrote to memory of 2864	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe	88
PID 3484 wrote to memory of 2864	3484	dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe	88

C:\Users\Admin\AppData\Local\Temp\dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe
"C:\Users\Admin\AppData\Local\Temp\dbf55dd5c00f37ec49e1b661228adcc0a286b3eabb35d2f85fc34d82076107f6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2076
- 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
  PID:2864

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/2864-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2864-10-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2864-11-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2864-13-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3484-0-0x000000007525E000-0x000000007525F000-memory.dmp

Filesize
4KB

Download
memory/3484-1-0x0000000000E70000-0x0000000001394000-memory.dmp

Filesize
5.1MB

Download
memory/3484-2-0x0000000005DA0000-0x0000000005E3C000-memory.dmp

Filesize
624KB

Download
memory/3484-4-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/3484-3-0x0000000005F00000-0x0000000005FF6000-memory.dmp

Filesize
984KB

Download
memory/3484-5-0x0000000006000000-0x00000000060F4000-memory.dmp

Filesize
976KB

Download
memory/3484-6-0x0000000005CE0000-0x0000000005D02000-memory.dmp

Filesize
136KB

Download
memory/3484-12-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download