stealc | a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47f

General

Target

a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe
Size

216KB
MD5

ea754070163f8eca914b259096d834f0
SHA1

cebf2eccad67deaf6ac9b8dc71118ad474b16868
SHA256

a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47f
SHA512

2a75b505780c6670204f5c4e2818bb1b027c88e98c9c45dde39aed786afaeff60215afb278fdd89eed58639c9eccf901836da4329d3c62c03911992b923ca225
SSDEEP

6144:I/NKt5fv5P2tInQP5loWIUKp6KgjfOc2PEO:IFuxv5OinA5lJQ6Kgb6EO

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 2360 set thread context of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2208	2560	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	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2360 wrote to memory of 2560	2360	a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe	31
PID 2560 wrote to memory of 2208	2560	RegAsm.exe	32
PID 2560 wrote to memory of 2208	2560	RegAsm.exe	32
PID 2560 wrote to memory of 2208	2560	RegAsm.exe	32
PID 2560 wrote to memory of 2208	2560	RegAsm.exe	32

C:\Users\Admin\AppData\Local\Temp\a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe
"C:\Users\Admin\AppData\Local\Temp\a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47fN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2360
- 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:2560
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2560 -s 252
    3⤵
    - Program crash
    PID:2208

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/2360-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/2360-1-0x0000000000D70000-0x0000000000DA8000-memory.dmp

Filesize
224KB

Download
memory/2360-2-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2360-4-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2360-16-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2560-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2560-10-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2560-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2560-15-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2560-18-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2560-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2560-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2560-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2560-13-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download

Analysis

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