vidar | 9b645f570116d3e10faa316981e4fcde6fe55417feced3385cfbb815c7df8707

General

Target

file.exe
Size

348KB
MD5

bea49eab907af8ad2cbea9bfb807aae2
SHA1

8efec66e57e052d6392c5cbb7667d1b49e88116e
SHA256

9b645f570116d3e10faa316981e4fcde6fe55417feced3385cfbb815c7df8707
SHA512

59486e18be6b85f5275c19f963d124f4f74c265b5b6dfa78c52f9243e444f40a7747a741ccb59bf1863ffb497321324c803fc967380900a6a2e0219eb99f387c
SSDEEP

3072:oh2eRgJtqxVRGKf8OGiLOnXChCrmqSOLMKTJGlRayuEpZTPckmRmVfL:URRgJtqpGO8OUnrpbMKT0lXZT3p

Score

10^/10

vidar credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199747278259

https://t.me/armad2a

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 YaBrowser/24.6.0.1 Safari/537.36

Signatures

Detect Vidar Stealer 8 IoCs

stealer

resource	yara_rule
behavioral1/memory/2680-2-0x0000000000240000-0x000000000026F000-memory.dmp	family_vidar_v7
behavioral1/memory/2680-3-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral1/memory/2680-155-0x0000000000400000-0x0000000002470000-memory.dmp	family_vidar_v7
behavioral1/memory/2680-302-0x0000000000400000-0x0000000002470000-memory.dmp	family_vidar_v7
behavioral1/memory/2680-415-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral1/memory/2680-416-0x0000000000400000-0x0000000002470000-memory.dmp	family_vidar_v7
behavioral1/memory/2680-479-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral1/memory/2680-476-0x0000000000400000-0x0000000002470000-memory.dmp	family_vidar_v7

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1832 created 256	1832	DAEHJJECAE.exe	1

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 2 IoCs

pid	Process
1832	DAEHJJECAE.exe
776	DAEHJJECAE.exe

Loads dropped DLL 7 IoCs

pid	Process
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.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
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 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	file.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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
684	timeout.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Direct3D\MostRecentApplication	DAEHJJECAE.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Direct3D\MostRecentApplication\Name = "DAEHJJECAE.exe"	DAEHJJECAE.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	file.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	file.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	file.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
2680	file.exe
1832	DAEHJJECAE.exe
1832	DAEHJJECAE.exe
2680	file.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1832	DAEHJJECAE.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 1832	2680	file.exe	33
PID 2680 wrote to memory of 1832	2680	file.exe	33
PID 2680 wrote to memory of 1832	2680	file.exe	33
PID 2680 wrote to memory of 1832	2680	file.exe	33
PID 776 wrote to memory of 2580	776	DAEHJJECAE.exe	35
PID 776 wrote to memory of 2580	776	DAEHJJECAE.exe	35
PID 776 wrote to memory of 2580	776	DAEHJJECAE.exe	35
PID 2680 wrote to memory of 324	2680	file.exe	36
PID 2680 wrote to memory of 324	2680	file.exe	36
PID 2680 wrote to memory of 324	2680	file.exe	36
PID 2680 wrote to memory of 324	2680	file.exe	36
PID 324 wrote to memory of 684	324	cmd.exe	38
PID 324 wrote to memory of 684	324	cmd.exe	38
PID 324 wrote to memory of 684	324	cmd.exe	38
PID 324 wrote to memory of 684	324	cmd.exe	38

C:\Windows\System32\smss.exe
\SystemRoot\System32\smss.exe
1⤵
PID:256
- C:\ProgramData\DAEHJJECAE.exe
  C:\ProgramData\DAEHJJECAE.exe
  2⤵
  - Executes dropped EXE
  - Modifies data under HKEY_USERS
  - Suspicious use of WriteProcessMemory
  PID:776
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 776 -s 204
    3⤵
    - Loads dropped DLL
    PID:2580

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2680
- C:\ProgramData\DAEHJJECAE.exe
  "C:\ProgramData\DAEHJJECAE.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1832
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BKEBFHIJECFI" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:324
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 10
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

4

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
8fd84ee9334b9c19b8fad21bd38351b4

SHA1
b7b24345075caeda109ec54632f32ae021afbd74

SHA256
45e7a3c9997a8710a09012df300217b77e8b146d7c2e0f18f2a570cb64bbff72

SHA512
bfe5d16fd9019e24c62505a649ce55482f6a8a9caba6b21a9468ba30c15681819a072dbe8f6ac2d37c94c379284ea95f6a42ee2dfe3de07447803c7020dfc591

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB8C6.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB8E8.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\ProgramData\DAEHJJECAE.exe

Filesize
11.4MB

MD5
e9cebb30948e986c3c16e0c9ef8ec9f2

SHA1
2f8b30106fe66b69c4920771142189a7b6c0c49e

SHA256
3c96c92c11b1277b3569d21bde04ee9b33501aee5cb4aea08dac7dd41ff1845f

SHA512
122b44a39318a5d5d4dca97d51a22baa6b2b7bd9f0dafea81168c05bfe745c7d29ad3522b7ced2a75e7bd98ecbe3524afd8c70522be2d13aac95e5f919a9f4a5

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/776-477-0x0000000000400000-0x0000000000F96000-memory.dmp

Filesize
11.6MB

Download
memory/1832-472-0x0000000000400000-0x0000000000F96000-memory.dmp

Filesize
11.6MB

Download
memory/1832-466-0x0000000140000000-0x0000000140033000-memory.dmp

Filesize
204KB

Download
memory/2680-416-0x0000000000400000-0x0000000002470000-memory.dmp

Filesize
32.4MB

Download
memory/2680-1-0x00000000025A0000-0x00000000026A0000-memory.dmp

Filesize
1024KB

Download
memory/2680-414-0x00000000025A0000-0x00000000026A0000-memory.dmp

Filesize
1024KB

Download
memory/2680-415-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-2-0x0000000000240000-0x000000000026F000-memory.dmp

Filesize
188KB

Download
memory/2680-302-0x0000000000400000-0x0000000002470000-memory.dmp

Filesize
32.4MB

Download
memory/2680-174-0x0000000025140000-0x000000002539F000-memory.dmp

Filesize
2.4MB

Download
memory/2680-479-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-478-0x00000000025A0000-0x00000000026A0000-memory.dmp

Filesize
1024KB

Download
memory/2680-155-0x0000000000400000-0x0000000002470000-memory.dmp

Filesize
32.4MB

Download
memory/2680-476-0x0000000000400000-0x0000000002470000-memory.dmp

Filesize
32.4MB

Download

Analysis

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