vidar | c9ed91a8bbdcccda38901f1a70590c8ecb9c813109922b3465471d678cc20868

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 23:53

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General

Target

Filmwor.exe
Size

4.9MB
MD5

a6974982ceb1a656f6db988828842d87
SHA1

9fbd537a58f1a2f9ee78b4278413ba091ca65cfa
SHA256

c9ed91a8bbdcccda38901f1a70590c8ecb9c813109922b3465471d678cc20868
SHA512

6facd84a6d4622b1c435bf9f77dd7bf4fb5fef222e97e58a62961f571654ad45c0a287195827567ffb17bf26746097577f19638286ac92af0eaf4c9398b82a83
SSDEEP

49152:0T8pWSX5MEq9/DD9dnEtVv2+QVGeWX0iZsml4eGMrEqAtuShOuInfmuh9cHlV/2F:0aWcHiDDjKV9e233y0ZwfK

Score

10^/10

vidar discovery stealer

Malware Config

Extracted

Family

vidar

https://t.me/m08mbk

https://steamcommunity.com/profiles/76561199820567237

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0

Signatures

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 2396 set thread context of 1424	2396	Filmwor.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	BitLockerToGo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Filmwor.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 1424	2396	Filmwor.exe	31
PID 2396 wrote to memory of 1424	2396	Filmwor.exe	31
PID 2396 wrote to memory of 1424	2396	Filmwor.exe	31
PID 2396 wrote to memory of 1424	2396	Filmwor.exe	31
PID 2396 wrote to memory of 1424	2396	Filmwor.exe	31
PID 2396 wrote to memory of 1424	2396	Filmwor.exe	31
PID 2396 wrote to memory of 1424	2396	Filmwor.exe	31
PID 2396 wrote to memory of 1424	2396	Filmwor.exe	31
PID 2396 wrote to memory of 1424	2396	Filmwor.exe	31
PID 2396 wrote to memory of 1424	2396	Filmwor.exe	31
PID 2396 wrote to memory of 1424	2396	Filmwor.exe	31
PID 2396 wrote to memory of 1424	2396	Filmwor.exe	31

C:\Users\Admin\AppData\Local\Temp\Filmwor.exe
"C:\Users\Admin\AppData\Local\Temp\Filmwor.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
342B

MD5
9d69bb58896aa534d1a7b3d6a08020d5

SHA1
e243b79486f7920520b78d73e57c0934b67fd821

SHA256
8ba22d7d9b9ab6b699653388aebf948832fedc1c92a1eb13d45a86ada0ae0b03

SHA512
b1b048106e979d165786e3c902447ff47b6b399c9126b8ca35787709aa58556c646244f94eefe98048c026391e3b49daaa0f4c710e213d955e45c7d4394216b7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\UQFHO95Z\76561199820567237[1].htm

Filesize
34KB

MD5
81e6493455b9886ca8e2e33d736264b3

SHA1
e46cf263d0e5a9f0dd1b9bafad3a2be57389996b

SHA256
4771e0e295ffba0d48b44116b445365b88f6cb698684ab86f539ed9cd3ebf81e

SHA512
a77cf60f999fe0d9dd99b0f9c000ddd23472133c090079bee1623864e6363a8d3501a4ecc8e6e4c51b7e839c9e731e606ada211600d8b9cb90585fe9d006f36f

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab238A.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar23AC.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1424-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1424-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1424-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1424-136-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download