vidar | 23d61708d9bbdb2bd1fbfd3c3086193d5eb8b7a5c3dc84a4e77857c8020b71c1

Analysis

max time kernel
83s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2022 16:02

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General

Target

3d77a1208f972a519c88c4914e897193.exe
Size

211KB
MD5

3d77a1208f972a519c88c4914e897193
SHA1

772bee5053532140c218f662c1f883aeab2b907e
SHA256

23d61708d9bbdb2bd1fbfd3c3086193d5eb8b7a5c3dc84a4e77857c8020b71c1
SHA512

98ad7f05cd2548046dfc0b60ea7d7b6760fca93f5b3cc3281037624ff8afea4ac0c89d8c4de838158d9672eafff374eb9e5198aeaf1c3e7d64ac8a2ac31881f5
SSDEEP

3072:NcoLtOC5YH/oa/1RJnLkacXqTn0UtGAnQBHufFcmVw03ZpB3StU/PkK4n:pLoEarJnLBGAnQxufWmVw03Z

Score

10^/10

vidar 1636 discovery spyware stealer upx

Malware Config

Extracted

Family

vidar

Version

54.6

Botnet

1636

https://t.me/dghzq

https://t.me/zjsqpz

https://t.me/fqwexzq

Attributes

profile_id
1636

Signatures

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

Executes dropped EXE 4 IoCs

pid	Process
1276	5111009782.exe
4880	8755717856.exe
3368	trsclean.exe
2148	trsclean.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0002000000022df2-141.dat	upx
behavioral2/files/0x0002000000022df2-142.dat	upx
behavioral2/memory/4880-143-0x0000000000250000-0x0000000000355000-memory.dmp	upx
behavioral2/memory/4880-146-0x0000000000250000-0x0000000000355000-memory.dmp	upx

Checks computer location settings 2 TTPs 3 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	3d77a1208f972a519c88c4914e897193.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	5111009782.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	trsclean.exe

Loads dropped DLL 2 IoCs

pid	Process
2148	trsclean.exe
2148	trsclean.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

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4880-143-0x0000000000250000-0x0000000000355000-memory.dmp	autoit_exe
behavioral2/memory/4880-146-0x0000000000250000-0x0000000000355000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3368 set thread context of 2148	3368	trsclean.exe	103

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
2088	3804	WerFault.exe	73

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	trsclean.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	trsclean.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
60	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2148	trsclean.exe
2148	trsclean.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	60	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4880	8755717856.exe
4880	8755717856.exe
4880	8755717856.exe
4880	8755717856.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4880	8755717856.exe
4880	8755717856.exe
4880	8755717856.exe
4880	8755717856.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2148	trsclean.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 1704	3804	3d77a1208f972a519c88c4914e897193.exe	87
PID 3804 wrote to memory of 1704	3804	3d77a1208f972a519c88c4914e897193.exe	87
PID 3804 wrote to memory of 1704	3804	3d77a1208f972a519c88c4914e897193.exe	87
PID 1704 wrote to memory of 1276	1704	cmd.exe	89
PID 1704 wrote to memory of 1276	1704	cmd.exe	89
PID 1704 wrote to memory of 1276	1704	cmd.exe	89
PID 3804 wrote to memory of 2924	3804	3d77a1208f972a519c88c4914e897193.exe	90
PID 3804 wrote to memory of 2924	3804	3d77a1208f972a519c88c4914e897193.exe	90
PID 3804 wrote to memory of 2924	3804	3d77a1208f972a519c88c4914e897193.exe	90
PID 2924 wrote to memory of 4880	2924	cmd.exe	92
PID 2924 wrote to memory of 4880	2924	cmd.exe	92
PID 2924 wrote to memory of 4880	2924	cmd.exe	92
PID 3804 wrote to memory of 3456	3804	3d77a1208f972a519c88c4914e897193.exe	94
PID 3804 wrote to memory of 3456	3804	3d77a1208f972a519c88c4914e897193.exe	94
PID 3804 wrote to memory of 3456	3804	3d77a1208f972a519c88c4914e897193.exe	94
PID 3456 wrote to memory of 60	3456	cmd.exe	98
PID 3456 wrote to memory of 60	3456	cmd.exe	98
PID 3456 wrote to memory of 60	3456	cmd.exe	98
PID 1276 wrote to memory of 3368	1276	5111009782.exe	102
PID 1276 wrote to memory of 3368	1276	5111009782.exe	102
PID 1276 wrote to memory of 3368	1276	5111009782.exe	102
PID 3368 wrote to memory of 2148	3368	trsclean.exe	103
PID 3368 wrote to memory of 2148	3368	trsclean.exe	103
PID 3368 wrote to memory of 2148	3368	trsclean.exe	103
PID 3368 wrote to memory of 2148	3368	trsclean.exe	103
PID 3368 wrote to memory of 2148	3368	trsclean.exe	103

C:\Users\Admin\AppData\Local\Temp\3d77a1208f972a519c88c4914e897193.exe
"C:\Users\Admin\AppData\Local\Temp\3d77a1208f972a519c88c4914e897193.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\5111009782.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Users\Admin\AppData\Local\Temp\5111009782.exe
    "C:\Users\Admin\AppData\Local\Temp\5111009782.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:1276
  - - C:\ProgramData\DC18-4F7C-8439-604BDB95\trsclean.exe
      "C:\ProgramData\DC18-4F7C-8439-604BDB95\trsclean.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:3368
    - - C:\ProgramData\DC18-4F7C-8439-604BDB95\trsclean.exe
        
        "C:\ProgramData\DC18-4F7C-8439-604BDB95\trsclean.exe"
        5⤵
        Executes dropped EXE
        Checks computer location settings
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of SetWindowsHookEx
        
        PID:2148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\8755717856.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2924
- - C:\Users\Admin\AppData\Local\Temp\8755717856.exe
    "C:\Users\Admin\AppData\Local\Temp\8755717856.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:4880
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "3d77a1208f972a519c88c4914e897193.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3d77a1208f972a519c88c4914e897193.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3456
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "3d77a1208f972a519c88c4914e897193.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:60
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3804 -s 1912
  2⤵
  - Program crash
  PID:2088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3804 -ip 3804
1⤵
PID:2948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\DC18-4F7C-8439-604BDB95\trsclean.exe

Filesize
2.0MB

MD5
669c3bfeee146752854ba8ba0df2805c

SHA1
d70cbb77a9828d498fb99dd7a4b5765bdc91a59e

SHA256
190c83f974c9c37fee8f95cf82df2c20c2615662482ca42e373a74a439ac945d

SHA512
f1cdaad56755da3f71dbecaf06698a9d46fa82e8214cc395a018fc151127e133c464ef58748b76c094e0eef66fa408bf2cf49b6c6170a677a372790ac99f4c7f

Download Submit
C:\ProgramData\DC18-4F7C-8439-604BDB95\trsclean.exe

Filesize
2.0MB

MD5
669c3bfeee146752854ba8ba0df2805c

SHA1
d70cbb77a9828d498fb99dd7a4b5765bdc91a59e

SHA256
190c83f974c9c37fee8f95cf82df2c20c2615662482ca42e373a74a439ac945d

SHA512
f1cdaad56755da3f71dbecaf06698a9d46fa82e8214cc395a018fc151127e133c464ef58748b76c094e0eef66fa408bf2cf49b6c6170a677a372790ac99f4c7f

Download Submit
C:\ProgramData\DC18-4F7C-8439-604BDB95\trsclean.exe

Filesize
2.0MB

MD5
669c3bfeee146752854ba8ba0df2805c

SHA1
d70cbb77a9828d498fb99dd7a4b5765bdc91a59e

SHA256
190c83f974c9c37fee8f95cf82df2c20c2615662482ca42e373a74a439ac945d

SHA512
f1cdaad56755da3f71dbecaf06698a9d46fa82e8214cc395a018fc151127e133c464ef58748b76c094e0eef66fa408bf2cf49b6c6170a677a372790ac99f4c7f

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:\Users\Admin\AppData\Local\Temp\5111009782.exe

Filesize
5.8MB

MD5
b4f29d105544c66e44da1f01c8558014

SHA1
487b6ed96adbe65536eda1437bf09346430c5b70

SHA256
704f8a3f1c2a4c9c7cff571df36398bb27d82930a1e0c7a29fd72074015ed75a

SHA512
33a54bcef6e94bc711fd2d05bb56431d47570fde9966d5363fc3bc1c35b7d557cad531ac8d0a4bb1a39960452d43cf504fbfc4e1530afbcd115fe490729d577a

Download Submit
C:\Users\Admin\AppData\Local\Temp\5111009782.exe

Filesize
5.8MB

MD5
b4f29d105544c66e44da1f01c8558014

SHA1
487b6ed96adbe65536eda1437bf09346430c5b70

SHA256
704f8a3f1c2a4c9c7cff571df36398bb27d82930a1e0c7a29fd72074015ed75a

SHA512
33a54bcef6e94bc711fd2d05bb56431d47570fde9966d5363fc3bc1c35b7d557cad531ac8d0a4bb1a39960452d43cf504fbfc4e1530afbcd115fe490729d577a

Download Submit
C:\Users\Admin\AppData\Local\Temp\8755717856.exe

Filesize
432KB

MD5
d837a061745a53dfa4ccef8e35a44c23

SHA1
98654067156e6eb946a80e1a433c923dc4c06964

SHA256
182007cadd4a05422c8cf561b6aeb9d8860cfece19bc431e8cd6082c578a5387

SHA512
e716f05f47caff282ea51202612276f4a909d8c4030c371976ca7c533b9cae780d2b3d528dd800cd0feedb1a1db63804cc8df97294dd1dc40b0f3b4241536f0b

Download Submit
C:\Users\Admin\AppData\Local\Temp\8755717856.exe

Filesize
432KB

MD5
d837a061745a53dfa4ccef8e35a44c23

SHA1
98654067156e6eb946a80e1a433c923dc4c06964

SHA256
182007cadd4a05422c8cf561b6aeb9d8860cfece19bc431e8cd6082c578a5387

SHA512
e716f05f47caff282ea51202612276f4a909d8c4030c371976ca7c533b9cae780d2b3d528dd800cd0feedb1a1db63804cc8df97294dd1dc40b0f3b4241536f0b

Download Submit
memory/60-145-0x0000000000000000-mapping.dmp

Download
memory/1276-136-0x0000000000000000-mapping.dmp

Download
memory/1704-135-0x0000000000000000-mapping.dmp

Download
memory/2148-178-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2148-155-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2148-156-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2148-157-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2148-153-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2148-152-0x0000000000000000-mapping.dmp

Download
memory/2148-158-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2924-138-0x0000000000000000-mapping.dmp

Download
memory/3368-149-0x0000000000000000-mapping.dmp

Download
memory/3456-144-0x0000000000000000-mapping.dmp

Download
memory/3804-147-0x00000000008A8000-0x00000000008C3000-memory.dmp

Filesize
108KB

Download
memory/3804-148-0x0000000000400000-0x000000000058F000-memory.dmp

Filesize
1.6MB

Download
memory/3804-133-0x0000000000800000-0x000000000082B000-memory.dmp

Filesize
172KB

Download
memory/3804-134-0x0000000000400000-0x000000000058F000-memory.dmp

Filesize
1.6MB

Download
memory/3804-132-0x00000000008A8000-0x00000000008C3000-memory.dmp

Filesize
108KB

Download
memory/4880-140-0x0000000000000000-mapping.dmp

Download
memory/4880-146-0x0000000000250000-0x0000000000355000-memory.dmp

Filesize
1.0MB

Download
memory/4880-143-0x0000000000250000-0x0000000000355000-memory.dmp

Filesize
1.0MB

Download