stealc | e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-12-2024 11:49

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General

Target

e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe
Size

6.2MB
MD5

584cf4a4f9cb958539ac091b3a79fd3a
SHA1

83cf9bfe5747e7155ca816c752658ad3aaa0d9fa
SHA256

e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7
SHA512

6acd009c4ab0f0e548669af6e1b68f13a5c60bca36a6ccc2095796b415dde47dd0f1d5c2ae587a4735fbecaf3b73046389c291ebac45dd131682e2b9407f4249
SSDEEP

12288:yQuJMMD+15Kx4I3y41UyKvXVr4D2P8wMxmAQvOwLALDOQyQWDs0H:IyM0IZTyZVEakxmdVALDONPjH

Score

10^/10

stealc vidar 8ff0797948d4b39f051a704ea27bdbde discovery stealer

Malware Config

Extracted

Family

vidar

Version

11.8

Botnet

8ff0797948d4b39f051a704ea27bdbde

https://t.me/fu4chmo

https://steamcommunity.com/profiles/76561199802540894

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Signatures

Detect Vidar Stealer 7 IoCs

stealer

resource	yara_rule
behavioral1/memory/2796-8-0x0000000000400000-0x0000000000659000-memory.dmp	family_vidar_v7
behavioral1/memory/2796-10-0x0000000000400000-0x0000000000659000-memory.dmp	family_vidar_v7
behavioral1/memory/2796-11-0x0000000000400000-0x0000000000659000-memory.dmp	family_vidar_v7
behavioral1/memory/568-31-0x0000000000400000-0x0000000000659000-memory.dmp	family_vidar_v7
behavioral1/memory/568-30-0x0000000000400000-0x0000000000659000-memory.dmp	family_vidar_v7
behavioral1/memory/568-83-0x0000000000400000-0x0000000000659000-memory.dmp	family_vidar_v7
behavioral1/memory/568-84-0x0000000000400000-0x0000000000659000-memory.dmp	family_vidar_v7

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2212 set thread context of 568	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	36

System Location Discovery: System Language Discovery 1 TTPs 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wab.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2408	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
568	wab.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2796	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	31
PID 2212 wrote to memory of 2796	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	31
PID 2212 wrote to memory of 2796	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	31
PID 2212 wrote to memory of 2796	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	31
PID 2212 wrote to memory of 2796	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	31
PID 2212 wrote to memory of 2796	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	31
PID 2212 wrote to memory of 2796	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	31
PID 2212 wrote to memory of 2796	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	31
PID 2212 wrote to memory of 2796	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	31
PID 2212 wrote to memory of 2796	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	31
PID 2212 wrote to memory of 2684	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	32
PID 2212 wrote to memory of 2684	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	32
PID 2212 wrote to memory of 2684	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	32
PID 2212 wrote to memory of 2684	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	32
PID 2212 wrote to memory of 2772	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	33
PID 2212 wrote to memory of 2772	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	33
PID 2212 wrote to memory of 2772	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	33
PID 2212 wrote to memory of 2772	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	33
PID 2212 wrote to memory of 2848	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	34
PID 2212 wrote to memory of 2848	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	34
PID 2212 wrote to memory of 2848	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	34
PID 2212 wrote to memory of 2848	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	34
PID 2212 wrote to memory of 2848	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	34
PID 2212 wrote to memory of 2848	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	34
PID 2212 wrote to memory of 2848	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	34
PID 2212 wrote to memory of 2848	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	34
PID 2212 wrote to memory of 2848	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	34
PID 2212 wrote to memory of 2908	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	35
PID 2212 wrote to memory of 2908	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	35
PID 2212 wrote to memory of 2908	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	35
PID 2212 wrote to memory of 2908	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	35
PID 2212 wrote to memory of 568	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	36
PID 2212 wrote to memory of 568	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	36
PID 2212 wrote to memory of 568	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	36
PID 2212 wrote to memory of 568	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	36
PID 2212 wrote to memory of 568	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	36
PID 2212 wrote to memory of 568	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	36
PID 2212 wrote to memory of 568	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	36
PID 2212 wrote to memory of 568	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	36
PID 2212 wrote to memory of 568	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	36
PID 2212 wrote to memory of 568	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	36
PID 2212 wrote to memory of 568	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	36
PID 2212 wrote to memory of 2560	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	37
PID 2212 wrote to memory of 2560	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	37
PID 2212 wrote to memory of 2560	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	37
PID 2212 wrote to memory of 2560	2212	e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe	37
PID 568 wrote to memory of 2188	568	wab.exe	40
PID 568 wrote to memory of 2188	568	wab.exe	40
PID 568 wrote to memory of 2188	568	wab.exe	40
PID 568 wrote to memory of 2188	568	wab.exe	40
PID 2188 wrote to memory of 2408	2188	cmd.exe	42
PID 2188 wrote to memory of 2408	2188	cmd.exe	42
PID 2188 wrote to memory of 2408	2188	cmd.exe	42
PID 2188 wrote to memory of 2408	2188	cmd.exe	42

C:\Users\Admin\AppData\Local\Temp\e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe
"C:\Users\Admin\AppData\Local\Temp\e302bc75ac48569ac8f9ab3dbd31302b9ccb8858305a83698dca10e047aaeaa7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2796
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
  2⤵
  PID:2684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  PID:2772
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:2848
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
  2⤵
  PID:2908
- C:\Program Files (x86)\Windows Mail\wab.exe
  "C:\Program Files (x86)\Windows Mail\wab.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:568
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Program Files (x86)\Windows Mail\wab.exe" & rd /s /q "C:\ProgramData\FHDHCAAKECFI" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2188
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2408
- C:\Program Files (x86)\Windows Mail\wab.exe
  "C:\Program Files (x86)\Windows Mail\wab.exe"
  2⤵
  PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab659.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar67B.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/568-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/568-84-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/568-83-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/568-31-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/568-30-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/2212-1-0x0000000000EF0000-0x0000000000EF8000-memory.dmp

Filesize
32KB

Download
memory/2212-2-0x000007FEF5170000-0x000007FEF5B5C000-memory.dmp

Filesize
9.9MB

Download
memory/2212-3-0x0000000000590000-0x000000000062E000-memory.dmp

Filesize
632KB

Download
memory/2212-0-0x000007FEF5173000-0x000007FEF5174000-memory.dmp

Filesize
4KB

Download
memory/2212-34-0x000007FEF5170000-0x000007FEF5B5C000-memory.dmp

Filesize
9.9MB

Download
memory/2796-4-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/2796-11-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/2796-10-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/2796-6-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/2796-8-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/2796-5-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download