stealc | e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829

Analysis

max time kernel
197s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
17-06-2024 05:11

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General

Target

e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe
Size

4.2MB
MD5

8cfe70cf4f35c7f9b4ddba327d44c1f8
SHA1

4fd044d2fee22138668153a7472b34e0b9a99c06
SHA256

e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829
SHA512

aec1486ae4e64e8ca59baaf7a623fc4c6b56a3b3bcb6e46cadf82350799edfc62ede7bdb54fcbce490c5506e39f1dc778be160c130edcb6784667a448dafc811
SSDEEP

49152:Yg0GkQNDv4gz+LzRdo/msRu92zAPZHPPumf7BQOyCEJ7eAPDbn5m0IcQgZV0Cego:yLNdo/TRuMyfPyCk7eIZIcQ0Ogo

Score

10^/10

stealc vidar spyware stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

https://t.me/memve4erin

https://steamcommunity.com/profiles/76561199699680841

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Signatures

Detect Vidar Stealer 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/3080-67-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/3080-70-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/3080-72-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/3080-87-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/3080-118-0x0000000000400000-0x0000000000648000-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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

Processes:

e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe

description	pid	process	target process
PID 3272 set thread context of 3080	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe

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

Processes:

MSBuild.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exeMSBuild.exe

pid	process
3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe
3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe
3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe
3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe
3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe
3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe
3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe
3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe
3080	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe

description pid process

Token: SeDebugPrivilege 3272 e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

3080 MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe

pid	process
3080	MSBuild.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe

description	pid	process	target process
PID 3272 wrote to memory of 1060	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 1060	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 1060	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 512	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 512	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 512	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 4364	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 4364	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 4364	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 1736	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 1736	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 1736	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 3080	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 3080	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 3080	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 3080	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 3080	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 3080	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 3080	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 3080	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe
PID 3272 wrote to memory of 3080	3272	e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe
"C:\Users\Admin\AppData\Local\Temp\e185b5ac05bf0947b5fd19b8f0892afa4fcbbceba5fc76ad52ae3fdef2045829.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3272
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:1060
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:512
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:4364
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:1736
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3080-67-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3080-118-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3080-87-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3080-72-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3080-70-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3272-37-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-33-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-13-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-65-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-63-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-62-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-60-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-57-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-55-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-53-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-51-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-49-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-47-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-45-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-43-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-41-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-40-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-0-0x000000007329E000-0x000000007329F000-memory.dmp

Filesize
4KB

Download
memory/3272-35-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-9-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-31-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-29-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-27-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-25-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-23-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-21-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-19-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-17-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-15-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-11-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-7-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-6-0x0000000005B10000-0x0000000005B25000-memory.dmp

Filesize
84KB

Download
memory/3272-66-0x0000000073290000-0x000000007397E000-memory.dmp

Filesize
6.9MB

Download
memory/3272-5-0x0000000005B10000-0x0000000005B2C000-memory.dmp

Filesize
112KB

Download
memory/3272-4-0x0000000073290000-0x000000007397E000-memory.dmp

Filesize
6.9MB

Download
memory/3272-3-0x0000000005C30000-0x0000000005CDA000-memory.dmp

Filesize
680KB

Download
memory/3272-71-0x0000000073290000-0x000000007397E000-memory.dmp

Filesize
6.9MB

Download
memory/3272-2-0x0000000005B90000-0x0000000005C2C000-memory.dmp

Filesize
624KB

Download
memory/3272-1-0x0000000000E80000-0x00000000012C0000-memory.dmp

Filesize
4.2MB

Download