stealc | ecd67e11722742006e8dced5116a6836c33cb556cdc3e6ad7e058a831cf1bb7b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 18:37

Target

2992-3-0x0000000000400000-0x0000000000643000-memory.exe
Size

2.3MB
MD5

8e91f8e39789e9343543042a5304602e
SHA1

8ddb8de8c93f2017e24319a0bdf2327308b46ba1
SHA256

ecd67e11722742006e8dced5116a6836c33cb556cdc3e6ad7e058a831cf1bb7b
SHA512

8c08977fce2e9843ada81ef9547eca59d22de5fc20309980acf989ca3c6b4958aeb0e66588e2649233fd1d825f2b5108946bca49297d976c4637f1d96d32dd1f
SSDEEP

3072:c1VB1NFj5qD6o8KaxfE54HnnGiayl+beX8ha5acUsRFrJOa:c171jj5q62aOanGiqbIBUGFdOa

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

2384 2148 WerFault.exe 2992-3-0x0000000000400000-0x0000000000643000-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:

2992-3-0x0000000000400000-0x0000000000643000-memory.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2992-3-0x0000000000400000-0x0000000000643000-memory.exe

pid	pid_target	process	target process
2384	2148	WerFault.exe	2992-3-0x0000000000400000-0x0000000000643000-memory.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2992-3-0x0000000000400000-0x0000000000643000-memory.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2992-3-0x0000000000400000-0x0000000000643000-memory.exe

description	pid	process	target process
PID 2148 wrote to memory of 2384	2148	2992-3-0x0000000000400000-0x0000000000643000-memory.exe	WerFault.exe
PID 2148 wrote to memory of 2384	2148	2992-3-0x0000000000400000-0x0000000000643000-memory.exe	WerFault.exe
PID 2148 wrote to memory of 2384	2148	2992-3-0x0000000000400000-0x0000000000643000-memory.exe	WerFault.exe
PID 2148 wrote to memory of 2384	2148	2992-3-0x0000000000400000-0x0000000000643000-memory.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\2992-3-0x0000000000400000-0x0000000000643000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\2992-3-0x0000000000400000-0x0000000000643000-memory.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 36
  2⤵
  - Program crash
  PID:2384

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/2148-0-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

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