vidar | fd5e477a5ef24773b8ed6e2acce77583e557a7def1eaf3ac6e51b71e4d599a65

Analysis

max time kernel
106s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23/04/2023, 11:20

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General

Target

file.exe
Size

2.2MB
MD5

e3af7d1d0cf8fdb64fd1325c5bdee3ac
SHA1

9992ef93cf63ca7b2dbf4f53e6e7d3da523c0607
SHA256

fd5e477a5ef24773b8ed6e2acce77583e557a7def1eaf3ac6e51b71e4d599a65
SHA512

a2b139c9ddaec1d68a8650ed42c7639d72e3cf7755a04a4ddabc49164898282c595724f39cb61727058d16e8a4ea263364b625dcc0ba8dd5b32459715e9d1e76
SSDEEP

24576:m36P4vcvVN9gMWsvvS3OcZkQVj2hpyMkyj7NHlKaOKdlsBT5Q6S:m3d0tN6GS3bkQOMvynKaIe6S

Score

10^/10

vidar 1ba4b1695fdd1c995863750c0e6924af spyware stealer

Malware Config

Extracted

Family

vidar

Version

3.5

Botnet

1ba4b1695fdd1c995863750c0e6924af

https://steamcommunity.com/profiles/76561199497218285

https://t.me/tg_duckworld

Attributes

profile_id_v2
1ba4b1695fdd1c995863750c0e6924af
user_agent
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7

Signatures

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

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/memory/1884-133-0x000001A845C50000-0x000001A845E7C000-memory.dmp	net_reactor

Loads dropped DLL 2 IoCs

pid	Process
2088	jsc.exe
2088	jsc.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1884 set thread context of 2088	1884	file.exe	94

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4768	2088	WerFault.exe	94

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

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

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
1884	file.exe
2088	jsc.exe
2088	jsc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1884	file.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 5096	1884	file.exe	83
PID 1884 wrote to memory of 5096	1884	file.exe	83
PID 1884 wrote to memory of 4912	1884	file.exe	84
PID 1884 wrote to memory of 4912	1884	file.exe	84
PID 1884 wrote to memory of 4880	1884	file.exe	85
PID 1884 wrote to memory of 4880	1884	file.exe	85
PID 1884 wrote to memory of 4924	1884	file.exe	86
PID 1884 wrote to memory of 4924	1884	file.exe	86
PID 1884 wrote to memory of 3844	1884	file.exe	87
PID 1884 wrote to memory of 3844	1884	file.exe	87
PID 1884 wrote to memory of 4708	1884	file.exe	88
PID 1884 wrote to memory of 4708	1884	file.exe	88
PID 1884 wrote to memory of 1348	1884	file.exe	90
PID 1884 wrote to memory of 1348	1884	file.exe	90
PID 1884 wrote to memory of 1148	1884	file.exe	89
PID 1884 wrote to memory of 1148	1884	file.exe	89
PID 1884 wrote to memory of 2112	1884	file.exe	93
PID 1884 wrote to memory of 2112	1884	file.exe	93
PID 1884 wrote to memory of 1116	1884	file.exe	91
PID 1884 wrote to memory of 1116	1884	file.exe	91
PID 1884 wrote to memory of 4432	1884	file.exe	92
PID 1884 wrote to memory of 4432	1884	file.exe	92
PID 1884 wrote to memory of 2088	1884	file.exe	94
PID 1884 wrote to memory of 2088	1884	file.exe	94
PID 1884 wrote to memory of 2088	1884	file.exe	94
PID 1884 wrote to memory of 2088	1884	file.exe	94
PID 1884 wrote to memory of 2088	1884	file.exe	94
PID 1884 wrote to memory of 2088	1884	file.exe	94
PID 1884 wrote to memory of 2088	1884	file.exe	94
PID 1884 wrote to memory of 2088	1884	file.exe	94
PID 1884 wrote to memory of 2088	1884	file.exe	94
PID 1884 wrote to memory of 2088	1884	file.exe	94

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe"
  2⤵
  PID:5096
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\DataSvcUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\DataSvcUtil.exe"
  2⤵
  PID:4912
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"
  2⤵
  PID:4880
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4924
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe"
  2⤵
  PID:3844
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"
  2⤵
  PID:4708
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"
  2⤵
  PID:1148
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe"
  2⤵
  PID:1348
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe"
  2⤵
  PID:1116
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"
  2⤵
  PID:4432
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe"
  2⤵
  PID:2112
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 1868
    3⤵
    - Program crash
    PID:4768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 2088 -ip 2088
1⤵
PID:4692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/1884-134-0x000001A864610000-0x000001A864686000-memory.dmp

Filesize
472KB

Download
memory/1884-135-0x000001A847AF0000-0x000001A847B00000-memory.dmp

Filesize
64KB

Download
memory/1884-136-0x000001A847C50000-0x000001A847C6E000-memory.dmp

Filesize
120KB

Download
memory/1884-139-0x000001A861500000-0x000001A8616A9000-memory.dmp

Filesize
1.7MB

Download
memory/1884-133-0x000001A845C50000-0x000001A845E7C000-memory.dmp

Filesize
2.2MB

Download
memory/2088-140-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2088-142-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2088-152-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2088-141-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2088-137-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2088-205-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2088-206-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download