vidar | c9ed91a8bbdcccda38901f1a70590c8ecb9c813109922b3465471d678cc20868

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/02/2025, 22:36

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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 2112 set thread context of 2808	2112	Filmwor.exe	30

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 2112 wrote to memory of 2808	2112	Filmwor.exe	30
PID 2112 wrote to memory of 2808	2112	Filmwor.exe	30
PID 2112 wrote to memory of 2808	2112	Filmwor.exe	30
PID 2112 wrote to memory of 2808	2112	Filmwor.exe	30
PID 2112 wrote to memory of 2808	2112	Filmwor.exe	30
PID 2112 wrote to memory of 2808	2112	Filmwor.exe	30
PID 2112 wrote to memory of 2808	2112	Filmwor.exe	30
PID 2112 wrote to memory of 2808	2112	Filmwor.exe	30
PID 2112 wrote to memory of 2808	2112	Filmwor.exe	30
PID 2112 wrote to memory of 2808	2112	Filmwor.exe	30
PID 2112 wrote to memory of 2808	2112	Filmwor.exe	30
PID 2112 wrote to memory of 2808	2112	Filmwor.exe	30

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:2112
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2808

C:\Windows\system32\calc.exe
"C:\Windows\system32\calc.exe"
1⤵
PID:1980

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\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\633SXO0D\76561199820567237[1].htm

Filesize
34KB

MD5
73e2e1704a0df825c9613026550f4ee5

SHA1
d6f074eaf932e4d067e2a470cb284faf420ac6fc

SHA256
3291c67061c1f41c077d61e4c63d1a365b7c0a54aaeb01d145351859e0e751a6

SHA512
2dc7757997d9928761ae11ce6a2ed920ac417ddd1d0c815e6a3ab3d4ca5bfb20c79e36c43432d325b6226cae4bca4387537dec33617891352e9375f9ff41a998

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4E03.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4E15.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2808-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2808-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2808-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2808-138-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download