stealc | 74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83

Analysis

max time kernel
133s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 12:46

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General

Target
74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe
Size 409KB
Sample240508-pz1absdc2x
SHA256 74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83
MD5 5e32f62d26b4476c6862785b9d6b5db3
SHA1 8fc02bcd0def2535b64690e5a5ad4932bc92a398
SHA512 52a24032e70c00461694e271cd4bbacf0353a4a2c6a8fed15def4fe1fe4f9792dea10a3a4cc9f7c72a0e9e4280220d7ae362fce33703885a1d417979d75f395c
SSDEEP 6144:D0EpI60nbM8uPZy3+8KID4LunuX2Csvo0ZtPZ4mr99uXDgXyXHS:4E+60nbnuPL5X2NVrZhrz8HS
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc vidar 3c43beec65deb206d81f3c6b8d956f18 stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

Version

Botnet

3c43beec65deb206d81f3c6b8d956f18

https://steamcommunity.com/profiles/76561199681720597
https://t.me/talmatin

Attributes

profile_id_v2
3c43beec65deb206d81f3c6b8d956f18
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 OPR/101.0.0.0

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/2764-0-0x0000000000400000-0x0000000000647000-memory.dmp	family_vidar_v7
behavioral2/memory/2764-5-0x0000000000400000-0x0000000000647000-memory.dmp	family_vidar_v7
behavioral2/memory/2764-3-0x0000000000400000-0x0000000000647000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4704 set thread context of 2764	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	89

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3748	2764	WerFault.exe	89

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 2320	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	87
PID 4704 wrote to memory of 2320	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	87
PID 4704 wrote to memory of 2320	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	87
PID 4704 wrote to memory of 1432	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	88
PID 4704 wrote to memory of 1432	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	88
PID 4704 wrote to memory of 1432	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	88
PID 4704 wrote to memory of 2764	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	89
PID 4704 wrote to memory of 2764	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	89
PID 4704 wrote to memory of 2764	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	89
PID 4704 wrote to memory of 2764	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	89
PID 4704 wrote to memory of 2764	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	89
PID 4704 wrote to memory of 2764	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	89
PID 4704 wrote to memory of 2764	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	89
PID 4704 wrote to memory of 2764	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	89
PID 4704 wrote to memory of 2764	4704	74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe	89

C:\Users\Admin\AppData\Local\Temp\74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe
"C:\Users\Admin\AppData\Local\Temp\74375fb2d74b7174b1444727d6bd1534918dce2deffdf037cfc3050c20679d83.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2320
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1432
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2764
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 2128
    3⤵
    - Program crash
    PID:3748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2764 -ip 2764
1⤵
PID:4688

Network

MITRE ATT&CK Matrix

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Downloads

memory/2764-0-0x0000000000400000-0x0000000000647000-memory.dmp

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memory/2764-5-0x0000000000400000-0x0000000000647000-memory.dmp

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memory/2764-3-0x0000000000400000-0x0000000000647000-memory.dmp

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memory/4704-1-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads