vidar | 97af550a6339c024313f90c4fdb31ab544eb53210f29f5f93f47980b88d924d2

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2025 11:05

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General

Target

TestLAB.exe
Size

4.3MB
MD5

9079a7973285431e7bb10d19d871005c
SHA1

c885545ef095a667b7812be785f730c31bb6003f
SHA256

97af550a6339c024313f90c4fdb31ab544eb53210f29f5f93f47980b88d924d2
SHA512

af28870b146ba91799b0ffaf8103016e59fe73d18c3b539bb6c2fafd7f5d9d89847979dcee018de60c126db208a9611f404d919c6b60116f19a27bc58da28b65
SSDEEP

98304:9CfPcWIo9wzBolthZg90yXHvxX1Vdu0gf7FSz/gj1:0fPEdBMTZg90yXPxLw57Nj1

Score

10^/10

vidar discovery stealer

Malware Config

Extracted

Family

vidar

https://t.me/sc1phell

https://steamcommunity.com/profiles/76561199819539662

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0

Signatures

Detect Vidar Stealer 2 IoCs

stealer

resource	yara_rule
behavioral2/memory/3952-1360-0x00000000005A0000-0x00000000005C2000-memory.dmp	family_vidar_v7
behavioral2/memory/3952-1367-0x00000000005A0000-0x00000000005C2000-memory.dmp	family_vidar_v7

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1124 created 3448	1124	TestLAB.exe	56

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1124 set thread context of 3952	1124	TestLAB.exe	87

System Location Discovery: System Language Discovery 1 TTPs 2 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	TestLAB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1124	TestLAB.exe
1124	TestLAB.exe
1124	TestLAB.exe
1124	TestLAB.exe
1124	TestLAB.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1124	TestLAB.exe
Token: SeDebugPrivilege	1124	TestLAB.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 3952	1124	TestLAB.exe	87
PID 1124 wrote to memory of 3952	1124	TestLAB.exe	87
PID 1124 wrote to memory of 3952	1124	TestLAB.exe	87
PID 1124 wrote to memory of 3952	1124	TestLAB.exe	87
PID 1124 wrote to memory of 3952	1124	TestLAB.exe	87
PID 1124 wrote to memory of 3952	1124	TestLAB.exe	87
PID 1124 wrote to memory of 3952	1124	TestLAB.exe	87
PID 1124 wrote to memory of 3952	1124	TestLAB.exe	87
PID 1124 wrote to memory of 3952	1124	TestLAB.exe	87
PID 1124 wrote to memory of 3952	1124	TestLAB.exe	87
PID 1124 wrote to memory of 3952	1124	TestLAB.exe	87

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3448
- C:\Users\Admin\AppData\Local\Temp\TestLAB.exe
  "C:\Users\Admin\AppData\Local\Temp\TestLAB.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1124
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3952

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

Replay Monitor

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Downloads

memory/1124-0-0x00000000028B0000-0x0000000002A4D000-memory.dmp

Filesize
1.6MB

Download
memory/1124-2-0x00000000028B0000-0x0000000002A4D000-memory.dmp

Filesize
1.6MB

Download
memory/1124-4-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/1124-3-0x0000000000400000-0x000000000085C000-memory.dmp

Filesize
4.4MB

Download
memory/1124-5-0x0000000005C30000-0x0000000005E78000-memory.dmp

Filesize
2.3MB

Download
memory/1124-6-0x0000000074300000-0x0000000074AB0000-memory.dmp

Filesize
7.7MB

Download
memory/1124-7-0x0000000074300000-0x0000000074AB0000-memory.dmp

Filesize
7.7MB

Download
memory/1124-8-0x0000000074300000-0x0000000074AB0000-memory.dmp

Filesize
7.7MB

Download
memory/1124-9-0x00000000059D0000-0x0000000005ADE000-memory.dmp

Filesize
1.1MB

Download
memory/1124-10-0x0000000005E80000-0x0000000006424000-memory.dmp

Filesize
5.6MB

Download
memory/1124-11-0x0000000005AE0000-0x0000000005B72000-memory.dmp

Filesize
584KB

Download
memory/1124-19-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-45-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-17-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-15-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-27-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-13-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-12-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-67-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-71-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-69-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-63-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-61-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-59-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-57-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-55-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-53-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-51-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-49-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-47-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-65-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-43-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-41-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-39-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-37-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-35-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-33-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-31-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-29-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-25-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-23-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-21-0x00000000059D0000-0x0000000005AD7000-memory.dmp

Filesize
1.0MB

Download
memory/1124-1334-0x0000000074300000-0x0000000074AB0000-memory.dmp

Filesize
7.7MB

Download
memory/1124-1335-0x0000000006440000-0x00000000064A6000-memory.dmp

Filesize
408KB

Download
memory/1124-1336-0x0000000006510000-0x0000000006574000-memory.dmp

Filesize
400KB

Download
memory/1124-1337-0x0000000006570000-0x00000000065BC000-memory.dmp

Filesize
304KB

Download
memory/1124-1338-0x0000000006700000-0x0000000006754000-memory.dmp

Filesize
336KB

Download
memory/1124-1342-0x0000000074300000-0x0000000074AB0000-memory.dmp

Filesize
7.7MB

Download
memory/1124-1344-0x0000000074300000-0x0000000074AB0000-memory.dmp

Filesize
7.7MB

Download
memory/1124-1355-0x0000000074300000-0x0000000074AB0000-memory.dmp

Filesize
7.7MB

Download
memory/1124-1357-0x0000000074300000-0x0000000074AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3952-1360-0x00000000005A0000-0x00000000005C2000-memory.dmp

Filesize
136KB

Download
memory/3952-1367-0x00000000005A0000-0x00000000005C2000-memory.dmp

Filesize
136KB

Download