vidar | a3282df5188935d442674443e22d2f8bc5d5390a778b386a675d2a66a619d47b

General

Target

file.exe
Size

343KB
MD5

ba97a8ba982684ffd26140b002fcf5f6
SHA1

8d0b982e8e9aaf3a84e3b17ebc910d26d341b1f7
SHA256

a3282df5188935d442674443e22d2f8bc5d5390a778b386a675d2a66a619d47b
SHA512

27823fba4a49841df28e5cd99dc68d9a258213cafade5aacaabac60461bdc273751aba808c7008374b3c7861664c7b1b301556c9b2e5ada8bf6c435e05a5ea8f
SSDEEP

6144:TuATLKIlDJxcqa8XJEex1reCZWzqJB+NFRzDghKQ2GxHDkk1c:TNWIlDJxcR8RZfU3AW8Ht1c

Score

10^/10

vidar 937 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

55.2

Botnet

937

C2

https://t.me/slivetalks

https://c.im/@xinibin420

Attributes

profile_id
937

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
216	30258068136741098216.exe
392	Cert.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	30258068136741098216.exe

Loads dropped DLL 3 IoCs

pid	Process
5076	file.exe
5076	file.exe
5076	file.exe

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
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Google\Chrome\Application\chrome.exe	Cert.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2152	5076	WerFault.exe	81

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 2 IoCs

evasion

pid	Process
3364	timeout.exe
3680	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1536	taskkill.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
5076	file.exe
5076	file.exe
392	Cert.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1536	taskkill.exe
Token: SeDebugPrivilege	392	Cert.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
216	30258068136741098216.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 216	5076	file.exe	86
PID 5076 wrote to memory of 216	5076	file.exe	86
PID 5076 wrote to memory of 216	5076	file.exe	86
PID 5076 wrote to memory of 4040	5076	file.exe	89
PID 5076 wrote to memory of 4040	5076	file.exe	89
PID 5076 wrote to memory of 4040	5076	file.exe	89
PID 4040 wrote to memory of 3364	4040	cmd.exe	92
PID 4040 wrote to memory of 3364	4040	cmd.exe	92
PID 4040 wrote to memory of 3364	4040	cmd.exe	92
PID 216 wrote to memory of 3088	216	30258068136741098216.exe	94
PID 216 wrote to memory of 3088	216	30258068136741098216.exe	94
PID 216 wrote to memory of 3088	216	30258068136741098216.exe	94
PID 3088 wrote to memory of 1536	3088	cmd.exe	96
PID 3088 wrote to memory of 1536	3088	cmd.exe	96
PID 3088 wrote to memory of 1536	3088	cmd.exe	96
PID 3088 wrote to memory of 3680	3088	cmd.exe	97
PID 3088 wrote to memory of 3680	3088	cmd.exe	97
PID 3088 wrote to memory of 3680	3088	cmd.exe	97
PID 216 wrote to memory of 392	216	30258068136741098216.exe	98
PID 216 wrote to memory of 392	216	30258068136741098216.exe	98
PID 216 wrote to memory of 392	216	30258068136741098216.exe	98

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5076
- C:\ProgramData\30258068136741098216.exe
  "C:\ProgramData\30258068136741098216.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\FilesH.bat" "
    3⤵
    - Drops file in Drivers directory
    - Suspicious use of WriteProcessMemory
    PID:3088
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im Steam.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:1536
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 1
      4⤵
      Delays execution with timeout.exe
      PID:3680
- - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Cert.exe
    "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Cert.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:392
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4040
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:3364
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 2036
  2⤵
  - Program crash
  PID:2152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5076 -ip 5076
1⤵
PID:328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\30258068136741098216.exe

Filesize
389KB

MD5
5ec52400b61c5b586e24a85fa0a2318f

SHA1
579d8cfcf508c81e6e45e47186f33221d47563f3

SHA256
26f22547e17e37af41e6fca415a9fffb43c951c8c3d7129b1d4f8f358cf24ccd

SHA512
b7482d0d97b195a868fe77a882aa2b2d3009c908474dc8a66cc04325d7d3617732d5ac2e7fba8f7255d7cb283c114bbf276cddb336a6a30698b507b6181bba3b

Download Submit
C:\ProgramData\30258068136741098216.exe

Filesize
389KB

MD5
5ec52400b61c5b586e24a85fa0a2318f

SHA1
579d8cfcf508c81e6e45e47186f33221d47563f3

SHA256
26f22547e17e37af41e6fca415a9fffb43c951c8c3d7129b1d4f8f358cf24ccd

SHA512
b7482d0d97b195a868fe77a882aa2b2d3009c908474dc8a66cc04325d7d3617732d5ac2e7fba8f7255d7cb283c114bbf276cddb336a6a30698b507b6181bba3b

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
C:\ProgramData\sqlite3.dll

Filesize
1.1MB

MD5
1f44d4d3087c2b202cf9c90ee9d04b0f

SHA1
106a3ebc9e39ab6ddb3ff987efb6527c956f192d

SHA256
4841020c8bd06b08fde6e44cbe2e2ab33439e1c8368e936ec5b00dc0584f7260

SHA512
b614c72a3c1ce681ebffa628e29aa50275cc80ca9267380960c5198ea4d0a3f2df6cfb7275491d220bad72f14fc94e6656501e9a061d102fb11e00cfda2beb45

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Cert.exe

Filesize
275KB

MD5
119ee6d6dcfa21f32dd9db95b365f256

SHA1
42d7f74eab4682928b03e577e2f5b9e6a2d95356

SHA256
ca128762eff2a68d3c319bd81574e423c79f59b1e445646ebe83b9c2135c5146

SHA512
cb4b8a2f037f1e0ab6a06094895ce9afffaaa428142c63259fa4d899ea53e06c581f5379156bb5f5c577daec8ed8d3e4e315d504771176f2c1a9fb8904a54b7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Cert.exe

Filesize
275KB

MD5
119ee6d6dcfa21f32dd9db95b365f256

SHA1
42d7f74eab4682928b03e577e2f5b9e6a2d95356

SHA256
ca128762eff2a68d3c319bd81574e423c79f59b1e445646ebe83b9c2135c5146

SHA512
cb4b8a2f037f1e0ab6a06094895ce9afffaaa428142c63259fa4d899ea53e06c581f5379156bb5f5c577daec8ed8d3e4e315d504771176f2c1a9fb8904a54b7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\FilesH.bat

Filesize
475B

MD5
979e62632d7fcd1c5f022d524dac901a

SHA1
0335075559e0e2b3d095920eae545a635fb1f61e

SHA256
6f90b594a016a0814d30cbb0aa665ebede4b710927efd5ef96ec518088b1e553

SHA512
dad192359ffc7f42d832b0e841553b9342293705db0adefa19edf6c47953bb61a0787cf2f7e0022ee52c5fab3571af7c2167e25ca93903c33693f825c07b961d

Download Submit
memory/216-138-0x0000000000000000-mapping.dmp

Download
memory/392-148-0x0000000000000000-mapping.dmp

Download
memory/392-152-0x0000000000370000-0x00000000003BA000-memory.dmp

Filesize
296KB

Download
memory/392-153-0x00000000061E0000-0x0000000006202000-memory.dmp

Filesize
136KB

Download
memory/1536-145-0x0000000000000000-mapping.dmp

Download
memory/3088-143-0x0000000000000000-mapping.dmp

Download
memory/3364-142-0x0000000000000000-mapping.dmp

Download
memory/3680-146-0x0000000000000000-mapping.dmp

Download
memory/4040-141-0x0000000000000000-mapping.dmp

Download
memory/5076-147-0x0000000002D53000-0x0000000002D7F000-memory.dmp

Filesize
176KB

Download
memory/5076-132-0x0000000002D53000-0x0000000002D7F000-memory.dmp

Filesize
176KB

Download
memory/5076-151-0x0000000000400000-0x0000000002C44000-memory.dmp

Filesize
40.3MB

Download
memory/5076-135-0x0000000000400000-0x0000000002C44000-memory.dmp

Filesize
40.3MB

Download
memory/5076-133-0x00000000048B0000-0x00000000048F9000-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads