stealc | 2e4deff4bfe5c4ce46b2d0a1f875dbc0933ec2e0f0e4a210990352601c29638e

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14-09-2024 10:11

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General

Target

sntmr.exe
Size

206KB
MD5

8b47971656919e81c65a7886bd8369bd
SHA1

80c1a0495209ffb6ac28c0befd33c20684aaf174
SHA256

2e4deff4bfe5c4ce46b2d0a1f875dbc0933ec2e0f0e4a210990352601c29638e
SHA512

61c5ba6f7663391d20cff3e7d9aaa957e1afa9a6b9915702739a342f841e5be5d8ccdb3e5a36d164fb0fe090a0993eae1011f1fdf9677c9bd4afe6d58096eef8
SSDEEP

6144:G8NxDF+uQVpAtAfxNSRCmPEKNqqeBwJixEO:Gg1UAtAfxNSJEcqoixEO

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://46.8.231.109

Attributes

url_path
/c4754d4f680ead72.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 2680	2528	sntmr.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	2680	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	sntmr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2528 wrote to memory of 2680	2528	sntmr.exe	30
PID 2680 wrote to memory of 2824	2680	RegAsm.exe	31
PID 2680 wrote to memory of 2824	2680	RegAsm.exe	31
PID 2680 wrote to memory of 2824	2680	RegAsm.exe	31
PID 2680 wrote to memory of 2824	2680	RegAsm.exe	31

C:\Users\Admin\AppData\Local\Temp\sntmr.exe
"C:\Users\Admin\AppData\Local\Temp\sntmr.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528
- 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:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 252
    3⤵
    - Program crash
    PID:2824

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/2528-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/2528-1-0x0000000000F90000-0x0000000000FC8000-memory.dmp

Filesize
224KB

Download
memory/2528-20-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-15-0x00000000023D0000-0x00000000043D0000-memory.dmp

Filesize
32.0MB

Download
memory/2528-10-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2680-14-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-19-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-17-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-9-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download