vidar | e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a

Analysis

max time kernel
141s
max time network
148s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
22/08/2024, 10:47

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General

Target

e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe
Size

201KB
MD5

740d1b3b0a1bac3fe2921d970a3b0580
SHA1

509240573e0d89ec0e21b00ec49e992e4d49a3bb
SHA256

e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a
SHA512

b8dd6e97c4f683d2222c46713abb489960671eb741d65cfa2a2bdb092939d6a45a5ae2e848e31328d610c4e66c78366ee429c5820816b0118ea4161b0de743fd
SSDEEP

3072:Eu9DOFeTne5zVMXllNM2ify6vqr1niwr7T2H2exULnXHqSkCNKAFpCbRJU92Hrno:EuI0Tne5zellWc6I157Fe+b3qSOBM5EO

Score

10^/10

vidar dbd9cbe5987c13eba51899f4a06d17a4 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

10.8

Botnet

dbd9cbe5987c13eba51899f4a06d17a4

https://t.me/jamelwt

https://steamcommunity.com/profiles/76561199761128941

https://t.me/iyigunl

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Signatures

Detect Vidar Stealer 13 IoCs

stealer

resource	yara_rule
behavioral2/memory/1256-7-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1256-5-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1256-3-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1256-22-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1256-23-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1256-40-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1256-41-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1256-57-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1256-64-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1256-88-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1256-89-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1256-96-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1256-97-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2196	GDHCGDGIEB.exe

Loads dropped DLL 2 IoCs

pid	Process
1256	RegAsm.exe
1256	RegAsm.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

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 2 IoCs

description	pid	Process	procid_target
PID 3284 set thread context of 1256	3284	e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe	82
PID 2196 set thread context of 1204	2196	GDHCGDGIEB.exe	96

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GDHCGDGIEB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.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	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2340	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1256	RegAsm.exe
1256	RegAsm.exe
1256	RegAsm.exe
1256	RegAsm.exe
1256	RegAsm.exe
1256	RegAsm.exe
1256	RegAsm.exe
1256	RegAsm.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 1256	3284	e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe	82
PID 3284 wrote to memory of 1256	3284	e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe	82
PID 3284 wrote to memory of 1256	3284	e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe	82
PID 3284 wrote to memory of 1256	3284	e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe	82
PID 3284 wrote to memory of 1256	3284	e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe	82
PID 3284 wrote to memory of 1256	3284	e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe	82
PID 3284 wrote to memory of 1256	3284	e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe	82
PID 3284 wrote to memory of 1256	3284	e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe	82
PID 3284 wrote to memory of 1256	3284	e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe	82
PID 3284 wrote to memory of 1256	3284	e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe	82
PID 1256 wrote to memory of 2196	1256	RegAsm.exe	91
PID 1256 wrote to memory of 2196	1256	RegAsm.exe	91
PID 1256 wrote to memory of 2196	1256	RegAsm.exe	91
PID 2196 wrote to memory of 4004	2196	GDHCGDGIEB.exe	95
PID 2196 wrote to memory of 4004	2196	GDHCGDGIEB.exe	95
PID 2196 wrote to memory of 4004	2196	GDHCGDGIEB.exe	95
PID 2196 wrote to memory of 1204	2196	GDHCGDGIEB.exe	96
PID 2196 wrote to memory of 1204	2196	GDHCGDGIEB.exe	96
PID 2196 wrote to memory of 1204	2196	GDHCGDGIEB.exe	96
PID 2196 wrote to memory of 1204	2196	GDHCGDGIEB.exe	96
PID 2196 wrote to memory of 1204	2196	GDHCGDGIEB.exe	96
PID 2196 wrote to memory of 1204	2196	GDHCGDGIEB.exe	96
PID 2196 wrote to memory of 1204	2196	GDHCGDGIEB.exe	96
PID 2196 wrote to memory of 1204	2196	GDHCGDGIEB.exe	96
PID 2196 wrote to memory of 1204	2196	GDHCGDGIEB.exe	96
PID 1256 wrote to memory of 5104	1256	RegAsm.exe	97
PID 1256 wrote to memory of 5104	1256	RegAsm.exe	97
PID 1256 wrote to memory of 5104	1256	RegAsm.exe	97
PID 5104 wrote to memory of 2340	5104	cmd.exe	99
PID 5104 wrote to memory of 2340	5104	cmd.exe	99
PID 5104 wrote to memory of 2340	5104	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe
"C:\Users\Admin\AppData\Local\Temp\e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3284
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1256
- - C:\ProgramData\GDHCGDGIEB.exe
    "C:\ProgramData\GDHCGDGIEB.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2196
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:4004
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:1204
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KECBKKEBKEBF" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5104
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\GDHCGDGIEB.exe

Filesize
288KB

MD5
aa9d133247a4484f9cb9afd482789229

SHA1
6b149f82918bca4f1fd43bf630566a14872b23f9

SHA256
4195f3692d9d8a45d39993e15b454b893451224a1f08452ca7e3fc42ec340373

SHA512
3ce3405280c6e9230851ee9384b3a89c47e3e886cdb36184b805388029286fc02594e32517369dc6f3c92425c5d4aeb5a5af3829dc606b3fae9745a69ec411e3

Download Submit
C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/1204-121-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1204-119-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1204-118-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1204-114-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1256-22-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1256-96-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1256-26-0x000000001FA50000-0x000000001FCAF000-memory.dmp

Filesize
2.4MB

Download
memory/1256-40-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1256-41-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1256-57-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1256-64-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1256-7-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1256-5-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1256-88-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1256-89-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1256-23-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1256-97-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1256-3-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/2196-111-0x000000007193E000-0x000000007193F000-memory.dmp

Filesize
4KB

Download
memory/2196-112-0x0000000000BF0000-0x0000000000C3A000-memory.dmp

Filesize
296KB

Download
memory/2196-115-0x0000000071930000-0x00000000720E1000-memory.dmp

Filesize
7.7MB

Download
memory/2196-120-0x0000000071930000-0x00000000720E1000-memory.dmp

Filesize
7.7MB

Download
memory/3284-11-0x0000000074510000-0x0000000074CC1000-memory.dmp

Filesize
7.7MB

Download
memory/3284-12-0x0000000074510000-0x0000000074CC1000-memory.dmp

Filesize
7.7MB

Download
memory/3284-0-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/3284-1-0x0000000000420000-0x0000000000454000-memory.dmp

Filesize
208KB

Download