vidar | de3bc3bc66f1567261e1b456ec97dec031e4041ed80ce7c7d484592c8001ac1c

Analysis

max time kernel
161s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 12:23

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General

Target

8bcefafd38c46bedef87a84356e77b06.exe
Size

670KB
MD5

8bcefafd38c46bedef87a84356e77b06
SHA1

a6cc5deacdc204198bb1e22a8915420c32006f25
SHA256

de3bc3bc66f1567261e1b456ec97dec031e4041ed80ce7c7d484592c8001ac1c
SHA512

28d707105b3ef3f4a00814252632bfa646302bb47179bde3c1794fb6ce7fcb143e44df712daa620dada5df03159339bebf3a5f824f90fff0868ca4b7c4fc0336
SSDEEP

12288:aEGLpQW3wNNYp8iHzrF7FVpXu9cMoE7zR0ywfPrk/Lwx/0ZxoN2UN0akHkTaHCEo:aEk7AnurFRVVuJNXiyEHxYeNUakTHCox

Score

10^/10

vidar 706 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

40.5

Botnet

706

https://gheorghip.tumblr.com/

Attributes

profile_id
706

Signatures

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

Vidar Stealer 7 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/4044-2-0x00000000047F0000-0x00000000048C1000-memory.dmp	family_vidar
behavioral2/memory/4044-3-0x0000000000400000-0x0000000002BB2000-memory.dmp	family_vidar
behavioral2/memory/4044-4-0x0000000000400000-0x0000000002BB2000-memory.dmp	family_vidar
behavioral2/memory/4044-18-0x0000000000400000-0x0000000002BB2000-memory.dmp	family_vidar
behavioral2/memory/4044-25-0x00000000047F0000-0x00000000048C1000-memory.dmp	family_vidar
behavioral2/memory/4044-63-0x0000000000400000-0x0000000002BB2000-memory.dmp	family_vidar
behavioral2/memory/4044-74-0x0000000000400000-0x0000000002BB2000-memory.dmp	family_vidar

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1116 4044 WerFault.exe 8bcefafd38c46bedef87a84356e77b06.exe

pid	pid_target	process	target process
1116	4044	WerFault.exe	8bcefafd38c46bedef87a84356e77b06.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

8bcefafd38c46bedef87a84356e77b06.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8bcefafd38c46bedef87a84356e77b06.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8bcefafd38c46bedef87a84356e77b06.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

8bcefafd38c46bedef87a84356e77b06.exe

pid	process
4044	8bcefafd38c46bedef87a84356e77b06.exe
4044	8bcefafd38c46bedef87a84356e77b06.exe
4044	8bcefafd38c46bedef87a84356e77b06.exe
4044	8bcefafd38c46bedef87a84356e77b06.exe
4044	8bcefafd38c46bedef87a84356e77b06.exe
4044	8bcefafd38c46bedef87a84356e77b06.exe
4044	8bcefafd38c46bedef87a84356e77b06.exe
4044	8bcefafd38c46bedef87a84356e77b06.exe

C:\Users\Admin\AppData\Local\Temp\8bcefafd38c46bedef87a84356e77b06.exe
"C:\Users\Admin\AppData\Local\Temp\8bcefafd38c46bedef87a84356e77b06.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 1616
2⤵
- Program crash
PID:1116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4044 -ip 4044
1⤵
PID:5080

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\softokn3.dll
Filesize
119KB

MD5
e84b1afdf3f7caddc53f6dd779386a0d

SHA1
f8153c9fe6748100e7061872f3d6b67e9542142f

SHA256
8590144c985a09c70e14e510a11336e05fd87bef3f7e6f8f448eeb02b1b03485

SHA512
0340c606d3e862268e17fe9fa122d393eac564fad022026d25df1aa5a34b534ea7e5c96f2ec860fc811a037b4a96469a5507ad227666c430eb70e57ec5415b77

Download Submit
memory/4044-1-0x0000000002C80000-0x0000000002D80000-memory.dmp

Filesize
1024KB

Download
memory/4044-2-0x00000000047F0000-0x00000000048C1000-memory.dmp

Filesize
836KB

Download
memory/4044-3-0x0000000000400000-0x0000000002BB2000-memory.dmp

Filesize
39.7MB

Download
memory/4044-4-0x0000000000400000-0x0000000002BB2000-memory.dmp

Filesize
39.7MB

Download
memory/4044-18-0x0000000000400000-0x0000000002BB2000-memory.dmp

Filesize
39.7MB

Download
memory/4044-23-0x0000000002C80000-0x0000000002D80000-memory.dmp

Filesize
1024KB

Download
memory/4044-25-0x00000000047F0000-0x00000000048C1000-memory.dmp

Filesize
836KB

Download
memory/4044-63-0x0000000000400000-0x0000000002BB2000-memory.dmp

Filesize
39.7MB

Download
memory/4044-74-0x0000000000400000-0x0000000002BB2000-memory.dmp

Filesize
39.7MB

Download