stealc | 170ff70ed0d486991ad55dc260b6dff93c44c2453d429ea4506e7eb4f1e8b4fb

Analysis

max time kernel
12s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 17:37

Target

1672-3-0x0000000000400000-0x0000000000643000-memory.exe
Size

2.3MB
MD5

88a5798b8c74c048bcf40b4b9050e2a0
SHA1

087c8f917184395ced552eac0fc8aafebf97f106
SHA256

170ff70ed0d486991ad55dc260b6dff93c44c2453d429ea4506e7eb4f1e8b4fb
SHA512

6cceaef098841a4d021d1ecf25e66729071499c6b17d5afc4546b18304b2d87c5dca82ca72034f78876a805ffb29c53f5dd422366c0c75ee6f88408f8a7d0050
SSDEEP

3072:c1VB1NFj5qD6o8KaxfE54HnnGiayl+beX8ba5acUsRFrJya:c171jj5q62aOanGiqbIPUGFdya

Score

10^/10

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1056 2236 WerFault.exe 1672-3-0x0000000000400000-0x0000000000643000-memory.exe
System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

1672-3-0x0000000000400000-0x0000000000643000-memory.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1672-3-0x0000000000400000-0x0000000000643000-memory.exe

pid	pid_target	process	target process
1056	2236	WerFault.exe	1672-3-0x0000000000400000-0x0000000000643000-memory.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1672-3-0x0000000000400000-0x0000000000643000-memory.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1672-3-0x0000000000400000-0x0000000000643000-memory.exe

description	pid	process	target process
PID 2236 wrote to memory of 1056	2236	1672-3-0x0000000000400000-0x0000000000643000-memory.exe	WerFault.exe
PID 2236 wrote to memory of 1056	2236	1672-3-0x0000000000400000-0x0000000000643000-memory.exe	WerFault.exe
PID 2236 wrote to memory of 1056	2236	1672-3-0x0000000000400000-0x0000000000643000-memory.exe	WerFault.exe
PID 2236 wrote to memory of 1056	2236	1672-3-0x0000000000400000-0x0000000000643000-memory.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\1672-3-0x0000000000400000-0x0000000000643000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1672-3-0x0000000000400000-0x0000000000643000-memory.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 36
  2⤵
  - Program crash
  PID:1056

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/2236-0-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

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