stealc | 86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5

General

Target

86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe
Size

206KB
MD5

ab68db6a238464a75b669938a3512ae1
SHA1

48a7e2ed179d29d783d55fe610598474825bdf95
SHA256

86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5
SHA512

b811a8f5d3d2fab469a97a9a0d59d6b132b4fecbc7048dd203d25c938e7047b487e9a85799f8d9b04c0e01f307f3ff1bd0c3af967a8813c3ab0d72c69650364c
SSDEEP

6144:DYwI7yviKKJGngBT7nI5n6gtJuMM2lxG5IvjKEO:DYwIueBT7IRntJuMPXZKEO

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 1700 set thread context of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2544	2488	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	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 1700 wrote to memory of 2488	1700	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	31
PID 2488 wrote to memory of 2544	2488	RegAsm.exe	32
PID 2488 wrote to memory of 2544	2488	RegAsm.exe	32
PID 2488 wrote to memory of 2544	2488	RegAsm.exe	32
PID 2488 wrote to memory of 2544	2488	RegAsm.exe	32

C:\Users\Admin\AppData\Local\Temp\86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe
"C:\Users\Admin\AppData\Local\Temp\86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1700
- 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:2488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 252
    3⤵
    - Program crash
    PID:2544

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/1700-0-0x000000007407E000-0x000000007407F000-memory.dmp

Filesize
4KB

Download
memory/1700-1-0x0000000000DA0000-0x0000000000DD8000-memory.dmp

Filesize
224KB

Download
memory/1700-13-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/2488-10-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2488-12-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2488-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2488-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2488-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2488-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2488-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2488-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2488-15-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download

Analysis

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