vidar | 1ab9a50d12a6077fa8b9296845b97d7216c9500a4cdd0ccfef238d8968f04698

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19-02-2025 18:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Solara.exe
Size

11.5MB
MD5

3e1edf981ca6e7939d6e31ae70734240
SHA1

76b5698a31314c433b73e89e1800cc1bc6b8a00c
SHA256

b0d99638f89532528b1c77662303d51cea8f09cb4cd6440fd01f5128b5ecaeb2
SHA512

781c84789e8de1a1655f40f4996057c42e662284967daf49a826a617feb0a5c53cd8d431ce8b669befe538b79e0f3ac615f44172fe0bcbc2817c244dd9f8fdbb
SSDEEP

98304:/PT0ghip3+ZnMxQ2YMMwdN4u2Xkc14GJmzmBZJZPtT5AbUtVRQt+QT2vaF5r9Y:/I9VkQrN4u2X42m0JZlD2gvay

Score

10^/10

vidar discovery stealer

Malware Config

Extracted

Family

vidar

https://t.me/sok33tn

https://steamcommunity.com/profiles/76561199824159981

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 1 IoCs

stealer

resource	yara_rule
behavioral2/memory/2404-1345-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3104 created 3404	3104	Solara.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 3104 set thread context of 2404	3104	Solara.exe	86

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	Solara.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3104	Solara.exe
3104	Solara.exe
3104	Solara.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3104	Solara.exe
Token: SeDebugPrivilege	3104	Solara.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 2404	3104	Solara.exe	86
PID 3104 wrote to memory of 2404	3104	Solara.exe	86
PID 3104 wrote to memory of 2404	3104	Solara.exe	86
PID 3104 wrote to memory of 2404	3104	Solara.exe	86
PID 3104 wrote to memory of 2404	3104	Solara.exe	86
PID 3104 wrote to memory of 2404	3104	Solara.exe	86
PID 3104 wrote to memory of 2404	3104	Solara.exe	86
PID 3104 wrote to memory of 2404	3104	Solara.exe	86
PID 3104 wrote to memory of 2404	3104	Solara.exe	86
PID 3104 wrote to memory of 2404	3104	Solara.exe	86
PID 3104 wrote to memory of 2404	3104	Solara.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3404
- C:\Users\Admin\AppData\Local\Temp\Solara.exe
  "C:\Users\Admin\AppData\Local\Temp\Solara.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:3104
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2404

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VHQUNTV1\76561199824159981[1].htm

Filesize
25KB

MD5
57647829c84dd0d22d6da11a86e15309

SHA1
63dd7e4abc35e17b2d87e0a6a4aeffe0978c4ab0

SHA256
4a5b3f73b57ecb12e10bcd0f90e8c0100759c29873bf6e12c87a73b5d9451cb5

SHA512
6fb2ce259acb68e3cd5f08755e72b1aa9970917d86640d896ee044e8b1919f811675b9b31d2b32a8523fda274112f4ebde45d31ae2a23612b5bbac971e7a0de3

Download Submit
memory/2404-1345-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3104-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/3104-1-0x0000000000B30000-0x0000000000CF0000-memory.dmp

Filesize
1.8MB

Download
memory/3104-2-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/3104-3-0x0000000005640000-0x000000000574C000-memory.dmp

Filesize
1.0MB

Download
memory/3104-4-0x00000000058C0000-0x00000000059CC000-memory.dmp

Filesize
1.0MB

Download
memory/3104-12-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-20-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-68-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-64-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-62-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-60-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-66-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-58-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-56-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-54-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-52-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-51-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-48-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-44-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-42-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-38-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-36-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-34-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-32-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-30-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-28-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-26-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-24-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-22-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-18-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-16-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-14-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-10-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-46-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-8-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-40-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-6-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-5-0x00000000058C0000-0x00000000059C7000-memory.dmp

Filesize
1.0MB

Download
memory/3104-1327-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/3104-1328-0x0000000005AF0000-0x0000000005B56000-memory.dmp

Filesize
408KB

Download
memory/3104-1329-0x0000000005B60000-0x0000000005BC4000-memory.dmp

Filesize
400KB

Download
memory/3104-1330-0x0000000005BC0000-0x0000000005C0C000-memory.dmp

Filesize
304KB

Download
memory/3104-1331-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/3104-1332-0x00000000064D0000-0x0000000006A74000-memory.dmp

Filesize
5.6MB

Download
memory/3104-1333-0x0000000005CB0000-0x0000000005D04000-memory.dmp

Filesize
336KB

Download
memory/3104-1337-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/3104-1338-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/3104-1342-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/3104-1344-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download