vidar | c9ed91a8bbdcccda38901f1a70590c8ecb9c813109922b3465471d678cc20868

Analysis

max time kernel
110s
max time network
111s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03-02-2025 11:40

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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 2124 set thread context of 2868	2124	Filmwor.exe	29

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	Filmwor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2868	2124	Filmwor.exe	29
PID 2124 wrote to memory of 2868	2124	Filmwor.exe	29
PID 2124 wrote to memory of 2868	2124	Filmwor.exe	29
PID 2124 wrote to memory of 2868	2124	Filmwor.exe	29
PID 2124 wrote to memory of 2868	2124	Filmwor.exe	29
PID 2124 wrote to memory of 2868	2124	Filmwor.exe	29
PID 2124 wrote to memory of 2868	2124	Filmwor.exe	29
PID 2124 wrote to memory of 2868	2124	Filmwor.exe	29
PID 2124 wrote to memory of 2868	2124	Filmwor.exe	29
PID 2124 wrote to memory of 2868	2124	Filmwor.exe	29
PID 2124 wrote to memory of 2868	2124	Filmwor.exe	29
PID 2124 wrote to memory of 2868	2124	Filmwor.exe	29

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:2124
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2868

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
468e42a5c191cbe321da32ced773ef7c

SHA1
b3938e012223f0967fd48bfe37ec40af394095b4

SHA256
3329961ea616634406e284a34b772172cb506975d1f232da5c539feb6d57e29e

SHA512
fa196e70ffc0fc2d6800b00936d1faa838bc8a4bbefe3a8ad71b25b54633834fbd573a680f2a1009f8d968e057da60b9e8092ce28a7dfb68d8aa0c5f8e7d7306

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\40WV1DY9\76561199820567237[1].htm

Filesize
34KB

MD5
4ed457f577214b0c2f34ce1c3594a640

SHA1
12833be98c2d1cc2f6af27e33373779d42c09c89

SHA256
1d0b48c7c30564400b42c04da99856d6cd69d5d51cfc9d5470539986cba81f13

SHA512
4d7df2d4eff391fc38aea932312180e3e0e27afb48ea0f193d9cdc736b35b75ddfeba8855d3f33eb6e28203ea7292cbee0c393ce8328c80623f043831aa03770

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab6CAA.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6CCC.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2868-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2868-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2868-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2868-131-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download