vidar | 3b304c9645018a8d032b649931401efd2d0e73c7eaba630e3d4490b43ec37a59

General

Target

Video fragment of the movie script.exe
Size

86KB
MD5

3bd79a1f6d2ea0fddea3f8914b2a6a0c
SHA1

3ea3f44f81b3501e652b448a7dc33a8ee739772e
SHA256

332e6806eff846a2e6d0dc04a70d3503855dabfa83e6ec27f37e2d9103e80e51
SHA512

7bbb3f3af90443803f7689c973a64f894fb48bd744ab0c70af7dfa7c763354dc6f67a7fbb7053d38b0c6611b0aaa532e73eb2579c1445b8a31c573f8bf972a67
SSDEEP

1536:EU5EG5XI/6POYy6SAi11XFDwYVyjThxXeZBHl+YMk8iVbNuissy:95EG5XI/SOOQyYVF9l+DkvVp6

Score

10^/10

vidar discovery stealer

Malware Config

Signatures

Detect Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral1/memory/2644-59-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2644-64-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2644-65-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2644-116-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2644-121-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2676	2792	Video fragment of the movie script.exe	30

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1680	2644	WerFault.exe	32

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	Video fragment of the movie script.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2792	Video fragment of the movie script.exe
2792	Video fragment of the movie script.exe
2676	cmd.exe
2676	cmd.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2792	Video fragment of the movie script.exe
2676	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2676	2792	Video fragment of the movie script.exe	30
PID 2792 wrote to memory of 2676	2792	Video fragment of the movie script.exe	30
PID 2792 wrote to memory of 2676	2792	Video fragment of the movie script.exe	30
PID 2792 wrote to memory of 2676	2792	Video fragment of the movie script.exe	30
PID 2792 wrote to memory of 2676	2792	Video fragment of the movie script.exe	30
PID 2676 wrote to memory of 2644	2676	cmd.exe	32
PID 2676 wrote to memory of 2644	2676	cmd.exe	32
PID 2676 wrote to memory of 2644	2676	cmd.exe	32
PID 2676 wrote to memory of 2644	2676	cmd.exe	32
PID 2676 wrote to memory of 2644	2676	cmd.exe	32
PID 2676 wrote to memory of 2644	2676	cmd.exe	32
PID 2644 wrote to memory of 1680	2644	explorer.exe	36
PID 2644 wrote to memory of 1680	2644	explorer.exe	36
PID 2644 wrote to memory of 1680	2644	explorer.exe	36
PID 2644 wrote to memory of 1680	2644	explorer.exe	36

C:\Users\Admin\AppData\Local\Temp\Video fragment of the movie script.exe
"C:\Users\Admin\AppData\Local\Temp\Video fragment of the movie script.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\SysWOW64\cmd.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2644
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 1128
      4⤵
      Program crash
      PID:1680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab2780.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2792.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\e7780af4

Filesize
873KB

MD5
3220c332cfd433986e762c600a73a944

SHA1
662d003aeb5c14e0187259d5be9343d9b75e338e

SHA256
8ae2c02bb40de6e9ec00ed5c94aef44bd9ad5c20c686cc6ff36c46a0c54dcee5

SHA512
e1d397287c01642151689b421d704717c8ad81cae3b7a04584080fb4ae7f08d1f0d62d1759edc1b47500037767f81e392b35cda331ce99b6f41b7deabfb5bdee

Download Submit
memory/2644-58-0x0000000077470000-0x0000000077619000-memory.dmp

Filesize
1.7MB

Download
memory/2644-121-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2644-116-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2644-65-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2644-64-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2644-62-0x0000000000AB0000-0x0000000000D31000-memory.dmp

Filesize
2.5MB

Download
memory/2644-61-0x0000000000AE7000-0x0000000000AE8000-memory.dmp

Filesize
4KB

Download
memory/2644-59-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2676-7-0x0000000074BC0000-0x0000000074D34000-memory.dmp

Filesize
1.5MB

Download
memory/2676-57-0x0000000074BC0000-0x0000000074D34000-memory.dmp

Filesize
1.5MB

Download
memory/2676-55-0x0000000074BC0000-0x0000000074D34000-memory.dmp

Filesize
1.5MB

Download
memory/2676-54-0x0000000074BC0000-0x0000000074D34000-memory.dmp

Filesize
1.5MB

Download
memory/2676-9-0x0000000077470000-0x0000000077619000-memory.dmp

Filesize
1.7MB

Download
memory/2792-5-0x0000000074BC0000-0x0000000074D34000-memory.dmp

Filesize
1.5MB

Download
memory/2792-0-0x0000000000020000-0x0000000000038000-memory.dmp

Filesize
96KB

Download
memory/2792-4-0x0000000074BC0000-0x0000000074D34000-memory.dmp

Filesize
1.5MB

Download
memory/2792-3-0x0000000074BD2000-0x0000000074BD3000-memory.dmp

Filesize
4KB

Download
memory/2792-2-0x0000000077470000-0x0000000077619000-memory.dmp

Filesize
1.7MB

Download
memory/2792-1-0x0000000074BC0000-0x0000000074D34000-memory.dmp

Filesize
1.5MB

Download

Analysis

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