stealc | d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6

Analysis

max time kernel
5s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 03:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe
Size

2.2MB
MD5

652cb6fc39f413184bcf86e1333ffbde
SHA1

8189af2450d3ce5b0b1162e1d751b16ad6da4324
SHA256

d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6
SHA512

a0429a97b65a5c3659ea6370d99971ee379488cb68695ad5a46c48c4b126acb3d0607dc785d171420ccbddce176d57394f866ea898d34f74870cf8377596660b
SSDEEP

24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXHdU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPi21tuuIeNHYGY0LzjsJxK

Score

10^/10

stealc vidar stealer

Malware Config

Extracted

Family

vidar

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

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 14 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/4888-1-0x0000000004140000-0x0000000004253000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-9-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-10-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-22-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-23-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-40-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-41-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-57-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-58-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-69-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-70-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-71-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/4612-72-0x0000000000400000-0x0000000000648000-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
Executes dropped EXE 1 IoCs

Processes:

kat49CA.tmp

pid process

4612 kat49CA.tmp
Suspicious use of SetThreadContext 1 IoCs

Processes:

d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe

description pid process target process

PID 4888 set thread context of 4612 4888 d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe kat49CA.tmp
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1488 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

kat49CA.tmp

pid process

4612 kat49CA.tmp
4612 kat49CA.tmp

pid	process
4612	kat49CA.tmp

description	pid	process	target process
PID 4888 set thread context of 4612	4888	d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe	kat49CA.tmp

pid	process
1488	timeout.exe

pid	process
4612	kat49CA.tmp
4612	kat49CA.tmp

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe

description	pid	process	target process
PID 4888 wrote to memory of 4612	4888	d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe	kat49CA.tmp
PID 4888 wrote to memory of 4612	4888	d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe	kat49CA.tmp
PID 4888 wrote to memory of 4612	4888	d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe	kat49CA.tmp
PID 4888 wrote to memory of 4612	4888	d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe	kat49CA.tmp
PID 4888 wrote to memory of 4612	4888	d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe	kat49CA.tmp
PID 4888 wrote to memory of 4612	4888	d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe	kat49CA.tmp
PID 4888 wrote to memory of 4612	4888	d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe	kat49CA.tmp
PID 4888 wrote to memory of 4612	4888	d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe	kat49CA.tmp

C:\Users\Admin\AppData\Local\Temp\d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe
"C:\Users\Admin\AppData\Local\Temp\d132b1d89ca3905c541a784386520190ef61bc0d621e341e8b2093164c6cfde6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4888

C:\Users\Admin\AppData\Local\Temp\kat49CA.tmp
C:\Users\Admin\AppData\Local\Temp\kat49CA.tmp
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4612

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat49CA.tmp" & rd /s /q "C:\ProgramData\HIEHDHCFIJDB" & exit
3⤵
PID:2524

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:1488

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\kat49CA.tmp
Filesize
861KB

MD5
66064dbdb70a5eb15ebf3bf65aba254b

SHA1
0284fd320f99f62aca800fb1251eff4c31ec4ed7

SHA256
6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795

SHA512
b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

Download Submit
memory/4612-23-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4612-69-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4612-25-0x00000000201B0000-0x000000002040F000-memory.dmp

Filesize
2.4MB

Download
memory/4612-10-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4612-40-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4612-4-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4612-22-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4612-41-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4612-9-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4612-72-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4612-71-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4612-57-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4612-58-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4612-70-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4888-6-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/4888-0-0x0000000000950000-0x0000000000951000-memory.dmp

Filesize
4KB

Download
memory/4888-1-0x0000000004140000-0x0000000004253000-memory.dmp

Filesize
1.1MB

Download