vidar | 07bbf87fab1e4c25921db3c86c52affbf51727522e30baa9353fe7a5979c61f8

Analysis

max time kernel
136s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
15-04-2023 15:55

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General

Target

Setup.exe
Size

2.3MB
MD5

97ea6f4c2e0cfb9770cb7bfdc353c36b
SHA1

12448c9c25d5c7339bd845d4375d8433bed1a216
SHA256

07bbf87fab1e4c25921db3c86c52affbf51727522e30baa9353fe7a5979c61f8
SHA512

f58a568543fc53a2e414ce4928eda5433b903dbdbed931da34c6bc8c9a251f1c2f6b11e6ecbe68c2f6d4917e6ea525019fc8d4d10833a0e88e7f32610da923ac
SSDEEP

49152:WWHPA8PAq5A1zmwILn0+3+5fYr7N9zm5Cd9z3EBiRKy3mJB:WWvVPA+MKwk09NY7N3d9z3E8RL2B

Score

10^/10

vidar 77d3e17ac7e9634fc0dfc5623380697a evasion spyware stealer themida trojan

Malware Config

Extracted

Family

vidar

Version

3.4

Botnet

77d3e17ac7e9634fc0dfc5623380697a

https://steamcommunity.com/profiles/76561199494593681

https://t.me/auftriebs

Attributes

profile_id_v2
77d3e17ac7e9634fc0dfc5623380697a
user_agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0

Signatures

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Setup.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Setup.exe

Loads dropped DLL 2 IoCs

pid	Process
3464	AddInProcess32.exe
3464	AddInProcess32.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/4572-134-0x00000000005D0000-0x0000000000B72000-memory.dmp	themida
behavioral2/memory/4572-143-0x00000000005D0000-0x0000000000B72000-memory.dmp	themida

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Setup.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4572	Setup.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4572 set thread context of 3464	4572	Setup.exe	97

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1656	3464	WerFault.exe	97

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	AddInProcess32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
4572	Setup.exe
3464	AddInProcess32.exe
3464	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4572	Setup.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 2180	4572	Setup.exe	85
PID 4572 wrote to memory of 2180	4572	Setup.exe	85
PID 4572 wrote to memory of 1080	4572	Setup.exe	86
PID 4572 wrote to memory of 1080	4572	Setup.exe	86
PID 4572 wrote to memory of 2208	4572	Setup.exe	87
PID 4572 wrote to memory of 2208	4572	Setup.exe	87
PID 4572 wrote to memory of 2376	4572	Setup.exe	88
PID 4572 wrote to memory of 2376	4572	Setup.exe	88
PID 4572 wrote to memory of 3612	4572	Setup.exe	89
PID 4572 wrote to memory of 3612	4572	Setup.exe	89
PID 4572 wrote to memory of 4596	4572	Setup.exe	90
PID 4572 wrote to memory of 4596	4572	Setup.exe	90
PID 4572 wrote to memory of 4064	4572	Setup.exe	91
PID 4572 wrote to memory of 4064	4572	Setup.exe	91
PID 4572 wrote to memory of 4076	4572	Setup.exe	92
PID 4572 wrote to memory of 4076	4572	Setup.exe	92
PID 4572 wrote to memory of 3908	4572	Setup.exe	93
PID 4572 wrote to memory of 3908	4572	Setup.exe	93
PID 4572 wrote to memory of 3664	4572	Setup.exe	94
PID 4572 wrote to memory of 3664	4572	Setup.exe	94
PID 4572 wrote to memory of 2056	4572	Setup.exe	95
PID 4572 wrote to memory of 2056	4572	Setup.exe	95
PID 4572 wrote to memory of 3420	4572	Setup.exe	96
PID 4572 wrote to memory of 3420	4572	Setup.exe	96
PID 4572 wrote to memory of 3464	4572	Setup.exe	97
PID 4572 wrote to memory of 3464	4572	Setup.exe	97
PID 4572 wrote to memory of 3464	4572	Setup.exe	97
PID 4572 wrote to memory of 3464	4572	Setup.exe	97
PID 4572 wrote to memory of 3464	4572	Setup.exe	97
PID 4572 wrote to memory of 3464	4572	Setup.exe	97
PID 4572 wrote to memory of 3464	4572	Setup.exe	97
PID 4572 wrote to memory of 3464	4572	Setup.exe	97
PID 4572 wrote to memory of 3464	4572	Setup.exe	97
PID 4572 wrote to memory of 3464	4572	Setup.exe	97

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"
  2⤵
  PID:2180
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:1080
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe"
  2⤵
  PID:2208
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe"
  2⤵
  PID:2376
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"
  2⤵
  PID:3612
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"
  2⤵
  PID:4596
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe"
  2⤵
  PID:4064
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:4076
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"
  2⤵
  PID:3908
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe"
  2⤵
  PID:3664
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"
  2⤵
  PID:2056
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"
  2⤵
  PID:3420
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:3464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1544
    3⤵
    - Program crash
    PID:1656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3464 -ip 3464
1⤵
PID:2408

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

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/3464-145-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/3464-139-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/3464-142-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/3464-144-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/3464-155-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3464-196-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/3464-201-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/4572-137-0x00007FFA80030000-0x00007FFA80031000-memory.dmp

Filesize
4KB

Download
memory/4572-138-0x0000022A795D0000-0x0000022A795E0000-memory.dmp

Filesize
64KB

Download
memory/4572-143-0x00000000005D0000-0x0000000000B72000-memory.dmp

Filesize
5.6MB

Download
memory/4572-134-0x00000000005D0000-0x0000000000B72000-memory.dmp

Filesize
5.6MB

Download
memory/4572-136-0x00007FFA80000000-0x00007FFA80002000-memory.dmp

Filesize
8KB

Download
memory/4572-135-0x00000000005D0000-0x0000000000B72000-memory.dmp

Filesize
5.6MB

Download