vidar | c9ed91a8bbdcccda38901f1a70590c8ecb9c813109922b3465471d678cc20868

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/02/2025, 23:39

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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 2100 set thread context of 2688	2100	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	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 2100 wrote to memory of 2688	2100	Filmwor.exe	31
PID 2100 wrote to memory of 2688	2100	Filmwor.exe	31
PID 2100 wrote to memory of 2688	2100	Filmwor.exe	31
PID 2100 wrote to memory of 2688	2100	Filmwor.exe	31
PID 2100 wrote to memory of 2688	2100	Filmwor.exe	31
PID 2100 wrote to memory of 2688	2100	Filmwor.exe	31
PID 2100 wrote to memory of 2688	2100	Filmwor.exe	31
PID 2100 wrote to memory of 2688	2100	Filmwor.exe	31
PID 2100 wrote to memory of 2688	2100	Filmwor.exe	31
PID 2100 wrote to memory of 2688	2100	Filmwor.exe	31
PID 2100 wrote to memory of 2688	2100	Filmwor.exe	31
PID 2100 wrote to memory of 2688	2100	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:2100
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688

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
e0b4c4192c4bef84b68df57887b9a241

SHA1
a8643105972c65bb0ebd89684cb1419836851a52

SHA256
7b6251f7b5145c5d0a9461558acbc509f2d56764904519d9a2e7d8ad5018fa2a

SHA512
b830c48d0ee51190fbb5346f17f04dbadce99447b9c0cae8daeb25d58b5e9386bb871050837e0296a060b7ab4edc9df2fc85bf527caaf9f8bdc1fd8e1c96cb15

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\AS91FDNI\76561199820567237[1].htm

Filesize
34KB

MD5
a1ed953d2815802cdba4f283db0c5289

SHA1
31d946ec922de1b7bc85a93e082f35e8ad732600

SHA256
b638ded47bcd25e3e0e7835043ababadfe8c72e041d136ce08e1c9c988475db5

SHA512
7d6b7b9059fb2d4f8d7560bec1d36303ccd88976985e5de53ba8aa14cccd77bdab0925bb2a658d619555c9bbcbba3839daa56e60aad776706424170b7ccf0b66

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4674.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4697.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2688-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2688-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2688-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2688-128-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download