vidar | a31c163b94090364e2943cfb908a19964d35f429618c5b2a5bc2acfc4b6485cf

Analysis

max time kernel
147s
max time network
151s
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 14:54

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General

Target

cec96441b7aec3a25e12fb162f97dc95.exe
Size

694KB
MD5

cec96441b7aec3a25e12fb162f97dc95
SHA1

180e9f1be05cc240f518d8434cfba0b996529967
SHA256

a31c163b94090364e2943cfb908a19964d35f429618c5b2a5bc2acfc4b6485cf
SHA512

0336e4de1dc8ccba6e07e5ca89b9ff265cb94f0541103d3ed34b3867f57911ea4dcbae954dd679e39c04e08dcf31b33c1899a85f6b2e09e32cb91f0fbfa84aa5
SSDEEP

12288:4UsXWCVB5WibBe6d4gnVM4QOEu4z9WhQZs7cIYpckrz85lx7ldXARUI9nk:4UYvwb6d434QTu4Js530wtTIUgn

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 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/376-2-0x0000000004990000-0x0000000004A61000-memory.dmp	family_vidar
behavioral2/memory/376-3-0x0000000000400000-0x0000000002BB8000-memory.dmp	family_vidar
behavioral2/memory/376-22-0x0000000000400000-0x0000000002BB8000-memory.dmp	family_vidar
behavioral2/memory/376-70-0x0000000000400000-0x0000000002BB8000-memory.dmp	family_vidar
behavioral2/memory/376-72-0x0000000004990000-0x0000000004A61000-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 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2540 376 WerFault.exe cec96441b7aec3a25e12fb162f97dc95.exe
3168 376 WerFault.exe cec96441b7aec3a25e12fb162f97dc95.exe

pid	pid_target	process	target process
2540	376	WerFault.exe	cec96441b7aec3a25e12fb162f97dc95.exe
3168	376	WerFault.exe	cec96441b7aec3a25e12fb162f97dc95.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:

cec96441b7aec3a25e12fb162f97dc95.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	cec96441b7aec3a25e12fb162f97dc95.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	cec96441b7aec3a25e12fb162f97dc95.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

cec96441b7aec3a25e12fb162f97dc95.exe

pid	process
376	cec96441b7aec3a25e12fb162f97dc95.exe
376	cec96441b7aec3a25e12fb162f97dc95.exe
376	cec96441b7aec3a25e12fb162f97dc95.exe
376	cec96441b7aec3a25e12fb162f97dc95.exe
376	cec96441b7aec3a25e12fb162f97dc95.exe
376	cec96441b7aec3a25e12fb162f97dc95.exe
376	cec96441b7aec3a25e12fb162f97dc95.exe
376	cec96441b7aec3a25e12fb162f97dc95.exe

C:\Users\Admin\AppData\Local\Temp\cec96441b7aec3a25e12fb162f97dc95.exe
"C:\Users\Admin\AppData\Local\Temp\cec96441b7aec3a25e12fb162f97dc95.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 1808
2⤵
- Program crash
PID:2540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 1804
2⤵
- Program crash
PID:3168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 376 -ip 376
1⤵
PID:5112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 376 -ip 376
1⤵
PID:4396

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

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Downloads

C:\ProgramData\softokn3.dll
Filesize
119KB

MD5
e84b1afdf3f7caddc53f6dd779386a0d

SHA1
f8153c9fe6748100e7061872f3d6b67e9542142f

SHA256
8590144c985a09c70e14e510a11336e05fd87bef3f7e6f8f448eeb02b1b03485

SHA512
0340c606d3e862268e17fe9fa122d393eac564fad022026d25df1aa5a34b534ea7e5c96f2ec860fc811a037b4a96469a5507ad227666c430eb70e57ec5415b77

Download Submit
memory/376-1-0x0000000002EF0000-0x0000000002FF0000-memory.dmp

Filesize
1024KB

Download
memory/376-2-0x0000000004990000-0x0000000004A61000-memory.dmp

Filesize
836KB

Download
memory/376-3-0x0000000000400000-0x0000000002BB8000-memory.dmp

Filesize
39.7MB

Download
memory/376-22-0x0000000000400000-0x0000000002BB8000-memory.dmp

Filesize
39.7MB

Download
memory/376-70-0x0000000000400000-0x0000000002BB8000-memory.dmp

Filesize
39.7MB

Download
memory/376-72-0x0000000004990000-0x0000000004A61000-memory.dmp

Filesize
836KB

Download
memory/376-71-0x0000000002EF0000-0x0000000002FF0000-memory.dmp

Filesize
1024KB

Download