stealc | 11cb48154b2285d427e5f3bff51c1dde9f59a8b8cfd04fa4d3d3f6e4b0124d44

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/10/2024, 17:32

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General

Target
c89c82ab6576a83a2a32bbffe44ef4d7.exe
Size 493KB
Sample241007-v4as5a1amp
SHA256 11cb48154b2285d427e5f3bff51c1dde9f59a8b8cfd04fa4d3d3f6e4b0124d44
MD5 c89c82ab6576a83a2a32bbffe44ef4d7
SHA1 7a1db4e5bcdbcfa1fcd8591d2e3ee8708ab41a02
SHA512 be6f1b11dd4ec57e44ba70485a129e4c7a42261e9f1a5909026bd4b19c1d7ee445baaf775c9650761271051719cea1354e55902872d64c5180aa5271f122e862
SSDEEP 12288:CQJlka1Ilavm3yVUhEgPlV2fBqT5OY4S:Cza1WLliBqA
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc default6_doz discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default6_doz

http://62.204.41.150

Attributes

url_path
/edd20096ecef326d.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 2988	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2664	3012	WerFault.exe	29

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	c89c82ab6576a83a2a32bbffe44ef4d7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2988	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	30
PID 3012 wrote to memory of 2988	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	30
PID 3012 wrote to memory of 2988	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	30
PID 3012 wrote to memory of 2988	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	30
PID 3012 wrote to memory of 2988	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	30
PID 3012 wrote to memory of 2988	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	30
PID 3012 wrote to memory of 2988	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	30
PID 3012 wrote to memory of 2988	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	30
PID 3012 wrote to memory of 2988	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	30
PID 3012 wrote to memory of 2988	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	30
PID 3012 wrote to memory of 2664	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	31
PID 3012 wrote to memory of 2664	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	31
PID 3012 wrote to memory of 2664	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	31
PID 3012 wrote to memory of 2664	3012	c89c82ab6576a83a2a32bbffe44ef4d7.exe	31

C:\Users\Admin\AppData\Local\Temp\c89c82ab6576a83a2a32bbffe44ef4d7.exe
"C:\Users\Admin\AppData\Local\Temp\c89c82ab6576a83a2a32bbffe44ef4d7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 52
  2⤵
  - Program crash
  PID:2664

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

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Downloads

memory/2988-1-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2988-11-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2988-13-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2988-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/2988-14-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2988-9-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2988-7-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2988-5-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2988-3-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2988-15-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/3012-0-0x0000000000F7A000-0x0000000000F7B000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads