vidar | a3cf5d3ca50eea72061d2d22376267cb26f4a116218f6faaf6d94dca61c10d10

Analysis

max time kernel
37s
max time network
41s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 23:53

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General

Target

a3cf5d3ca50eea72061d2d22376267cb26f4a116218f6faaf6d94dca61c10d10.exe
Size

695KB
MD5

f27d61ee5444bba915003c57e2b67971
SHA1

413345ea52d29b49bc443ffb101a3890de8ee745
SHA256

a3cf5d3ca50eea72061d2d22376267cb26f4a116218f6faaf6d94dca61c10d10
SHA512

613fa4d90fdf7b1b5b0bb647b90facd121ab3f547478094bb8cc2b082655fcbe7c32d0702419a1e3945f7ffdabef5ac6a45b1f3dc5a22c70e1bdf8779a07f0ac
SSDEEP

12288:2T89b66pQ9b/rrijldt/ET+3EaTDRlt+fCKzPFOpjTqDNxD4:2A565XWjjtcedTDRL+7J5K

Score

10^/10

vidar 1044 discovery stealer

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

1044

https://mas.to/@xeroxxx

Attributes

profile_id
1044

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar

Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral1/memory/2348-1-0x00000000047D0000-0x00000000048A6000-memory.dmp	family_vidar
behavioral1/memory/2348-2-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/2348-19-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/2348-18-0x00000000047D0000-0x00000000048A6000-memory.dmp	family_vidar
behavioral1/memory/2348-16-0x0000000000400000-0x0000000002F74000-memory.dmp	family_vidar

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2820	2348	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	a3cf5d3ca50eea72061d2d22376267cb26f4a116218f6faaf6d94dca61c10d10.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2820	2348	a3cf5d3ca50eea72061d2d22376267cb26f4a116218f6faaf6d94dca61c10d10.exe	32
PID 2348 wrote to memory of 2820	2348	a3cf5d3ca50eea72061d2d22376267cb26f4a116218f6faaf6d94dca61c10d10.exe	32
PID 2348 wrote to memory of 2820	2348	a3cf5d3ca50eea72061d2d22376267cb26f4a116218f6faaf6d94dca61c10d10.exe	32
PID 2348 wrote to memory of 2820	2348	a3cf5d3ca50eea72061d2d22376267cb26f4a116218f6faaf6d94dca61c10d10.exe	32

C:\Users\Admin\AppData\Local\Temp\a3cf5d3ca50eea72061d2d22376267cb26f4a116218f6faaf6d94dca61c10d10.exe
"C:\Users\Admin\AppData\Local\Temp\a3cf5d3ca50eea72061d2d22376267cb26f4a116218f6faaf6d94dca61c10d10.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 1036
  2⤵
  - Program crash
  PID:2820

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

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Downloads

memory/2348-0-0x0000000004710000-0x000000000478C000-memory.dmp

Filesize
496KB

Download
memory/2348-1-0x00000000047D0000-0x00000000048A6000-memory.dmp

Filesize
856KB

Download
memory/2348-2-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2348-19-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2348-18-0x00000000047D0000-0x00000000048A6000-memory.dmp

Filesize
856KB

Download
memory/2348-17-0x0000000004710000-0x000000000478C000-memory.dmp

Filesize
496KB

Download
memory/2348-16-0x0000000000400000-0x0000000002F74000-memory.dmp

Filesize
43.5MB

Download