vidar | f8433d6f19db029e973b40f72ccc3f24d5b22a04b82d83c612db8976ab405d1c

Analysis

max time kernel
36s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07-01-2023 06:59

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General

Target

Setup.exe
Size

452.8MB
MD5

8038353251c3354dfb9449c95dacd6fa
SHA1

912625aa341a407a40f92f8cd187d4123f7c0988
SHA256

f8433d6f19db029e973b40f72ccc3f24d5b22a04b82d83c612db8976ab405d1c
SHA512

eab8f82ae234896c59b5b33d979632ef25fed8e41dbef337b8261840a910019ea1612984b697fba7787939e6fee677486eb6e1223f52b986effd41bad2c4f32a
SSDEEP

24576:RsSmmZsh68p+rXSdf5VsLddr9NV9zbdlKrfnIG2QOAWIcRKXhuDoFhBlQT:WHpASdxyLdH39PdgsGLcjoFhBlc

Score

10^/10

vidar 754 stealer

Malware Config

Extracted

Family

vidar

Version

1.8

Botnet

754

Attributes

profile_id
754

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1652 1988 WerFault.exe Setup.exe

pid	pid_target	process	target process
1652	1988	WerFault.exe	Setup.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

AUDIODG.EXESetup.exe

description	pid	process
Token: 33	1940	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1940	AUDIODG.EXE
Token: 33	1940	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1940	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1988	Setup.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Setup.exe

description	pid	process	target process
PID 1988 wrote to memory of 1652	1988	Setup.exe	WerFault.exe
PID 1988 wrote to memory of 1652	1988	Setup.exe	WerFault.exe
PID 1988 wrote to memory of 1652	1988	Setup.exe	WerFault.exe
PID 1988 wrote to memory of 1652	1988	Setup.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 304
2⤵
- Program crash
PID:1652

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:852

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x450
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1940

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/852-59-0x000007FEFC1B1000-0x000007FEFC1B3000-memory.dmp

Filesize
8KB

Download
memory/1652-63-0x0000000000000000-mapping.dmp

Download
memory/1988-54-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1988-55-0x0000000000D50000-0x0000000000FFD000-memory.dmp

Filesize
2.7MB

Download
memory/1988-56-0x0000000000D50000-0x0000000000FFD000-memory.dmp

Filesize
2.7MB

Download
memory/1988-57-0x0000000000960000-0x0000000000B7E000-memory.dmp

Filesize
2.1MB

Download
memory/1988-58-0x0000000000420000-0x0000000000424000-memory.dmp

Filesize
16KB

Download
memory/1988-64-0x0000000000D50000-0x0000000000FFD000-memory.dmp

Filesize
2.7MB

Download
memory/1988-65-0x0000000000960000-0x0000000000B7E000-memory.dmp

Filesize
2.1MB

Download