stealc | 03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995

General

Target

03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe
Size

482KB
MD5

2e9a4b3dd240a4cb4ba474482e2e38d2
SHA1

10e168ae5f19b1239eb7cdcd94578a0509715f74
SHA256

03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995
SHA512

3ee4adfc903a449522f07a9a56c112e81c30f2f48f5daf5a90a08589bb8ed3136589413009c9dac2c2b4b5e8d163eaab165d8b9094caca79add706918d5650d8
SSDEEP

12288:H81zxK08+/8tWrf5LziYoWwfn7mlL4aMIzIKW78mPNEO:Es+ky5Lzng7ml0apzIK54Nt

Score

10^/10

stealc default5_doz discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default5_doz

C2

http://62.204.41.159

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 1076 set thread context of 1532	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2524	1076	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	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 1172	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	30
PID 1076 wrote to memory of 1172	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	30
PID 1076 wrote to memory of 1172	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	30
PID 1076 wrote to memory of 1172	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	30
PID 1076 wrote to memory of 1532	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	31
PID 1076 wrote to memory of 1532	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	31
PID 1076 wrote to memory of 1532	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	31
PID 1076 wrote to memory of 1532	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	31
PID 1076 wrote to memory of 1532	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	31
PID 1076 wrote to memory of 1532	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	31
PID 1076 wrote to memory of 1532	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	31
PID 1076 wrote to memory of 1532	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	31
PID 1076 wrote to memory of 1532	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	31
PID 1076 wrote to memory of 1532	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	31
PID 1076 wrote to memory of 2524	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	32
PID 1076 wrote to memory of 2524	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	32
PID 1076 wrote to memory of 2524	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	32
PID 1076 wrote to memory of 2524	1076	03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe	32

C:\Users\Admin\AppData\Local\Temp\03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe
"C:\Users\Admin\AppData\Local\Temp\03a367b2aa8bff681b84158253ac822380375aa2f6f111dcee733824d831d995.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:1172
- 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:1532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1076 -s 100
  2⤵
  - Program crash
  PID:2524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1076-0-0x00000000008D5000-0x00000000008D6000-memory.dmp

Filesize
4KB

Download
memory/1076-16-0x00000000008D5000-0x00000000008D6000-memory.dmp

Filesize
4KB

Download
memory/1532-1-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1532-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1532-13-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1532-14-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1532-11-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1532-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1532-9-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1532-7-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1532-5-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1532-15-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download

Analysis

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