stealc | 3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7

General

Target

3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe
Size

207KB
MD5

c2959894fc8b6dc3059469fed76e49af
SHA1

bceaade79890b40a5cc74bd9c25ec50cb45de7d7
SHA256

3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7
SHA512

c6daa3bfb90f8973c69caeb279ac3ebf06028599a4339d8a120259b70c953ce4e8bbc7325eedff4b6fd74fae35c16d92fb473b4eea381bd939482628ef5a9ff8
SSDEEP

3072:Kt1DWAfPaMhSWmxApK0i8JSTfhfsjsV+7qIdRr6VowELW3AKvaEeJYY/dlSJKYzt:KtlWAfPaM3E0iOqM+CEowCwqRJYGOEO

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

C2

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 2536 set thread context of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2064	2532	WerFault.exe	31

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	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2536 wrote to memory of 2532	2536	3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe	31
PID 2532 wrote to memory of 2064	2532	RegAsm.exe	32
PID 2532 wrote to memory of 2064	2532	RegAsm.exe	32
PID 2532 wrote to memory of 2064	2532	RegAsm.exe	32
PID 2532 wrote to memory of 2064	2532	RegAsm.exe	32

C:\Users\Admin\AppData\Local\Temp\3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe
"C:\Users\Admin\AppData\Local\Temp\3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- 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:2532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 252
    3⤵
    - Program crash
    PID:2064

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/2532-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2532-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2532-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2532-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2532-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2532-12-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2532-16-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2532-14-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2532-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2536-1-0x0000000001280000-0x00000000012B8000-memory.dmp

Filesize
224KB

Download
memory/2536-9-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2536-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2536-17-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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