stealc | 012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7

General

Target

012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7.exe
Size

2.0MB
MD5

5491f72e5ab92e3412d733e506d6a82f
SHA1

caa09ad6369b5775075ee9c9f0564c50694f5dd3
SHA256

012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7
SHA512

95678b63cf35ab74891a61877e67051a853ebeaa08182e06aa7d542f9ca7338c3636e30154904a5d20f5c89d49075d7c4fc60f08b1e17ab133b548b85c5a46db
SSDEEP

49152:eqtdPVosJEAz/+VHA58ljrIY+96lJS9bZ:e6d9fJRc7jvedZ

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Signatures

Detect Vidar Stealer 8 IoCs

stealer

resource	yara_rule
behavioral2/memory/1124-2-0x0000000004210000-0x000000000435C000-memory.dmp	family_vidar_v7
behavioral2/memory/3580-10-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/3580-8-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/3580-4-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/3580-24-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/3580-25-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/3580-42-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/3580-43-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
3580	kat44E8.tmp

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1124 set thread context of 3580	1124	012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7.exe	85

Checks processor information in registry 2 TTPs 1 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	kat44E8.tmp

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3580	kat44E8.tmp
3580	kat44E8.tmp

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 3580	1124	012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7.exe	85
PID 1124 wrote to memory of 3580	1124	012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7.exe	85
PID 1124 wrote to memory of 3580	1124	012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7.exe	85
PID 1124 wrote to memory of 3580	1124	012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7.exe	85
PID 1124 wrote to memory of 3580	1124	012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7.exe	85
PID 1124 wrote to memory of 3580	1124	012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7.exe	85
PID 1124 wrote to memory of 3580	1124	012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7.exe	85
PID 1124 wrote to memory of 3580	1124	012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7.exe	85

C:\Users\Admin\AppData\Local\Temp\012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7.exe
"C:\Users\Admin\AppData\Local\Temp\012c606a4c778e8382081474e2ad3aa66c62a5b89f82786ff4f727cd519416c7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\kat44E8.tmp
  C:\Users\Admin\AppData\Local\Temp\kat44E8.tmp
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:3580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\kat44E8.tmp

Filesize
861KB

MD5
66064dbdb70a5eb15ebf3bf65aba254b

SHA1
0284fd320f99f62aca800fb1251eff4c31ec4ed7

SHA256
6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795

SHA512
b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

Download Submit
memory/1124-0-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download
memory/1124-2-0x0000000004210000-0x000000000435C000-memory.dmp

Filesize
1.3MB

Download
memory/1124-9-0x0000000000400000-0x0000000000614000-memory.dmp

Filesize
2.1MB

Download
memory/3580-10-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/3580-8-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/3580-4-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/3580-24-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/3580-25-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/3580-27-0x0000000025F70000-0x00000000261CF000-memory.dmp

Filesize
2.4MB

Download
memory/3580-42-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/3580-43-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads