darkvision | c11a66b1a187d0b9f2e23308fa340a8afaa88411c666757bc7f537bc7192223a

General

Target

Mine/firsgen.exe
Size

453KB
MD5

67a359e34ca0da8d1b51b3dbacc0e4bc
SHA1

5bb23dec795b3c7cd1cf9e3563834e14f9f3344c
SHA256

443c327eae304c70f48625b1b919fb9a2d89ce529f21251968baea487d3d9f94
SHA512

57ebc64d7a039c392cbab65df3fba8ffe260e2997d0c787c69a4633a37a67188312eb14f43e40171871d22298dbb54142c88a6badf956777be9506acb2169a08
SSDEEP

6144:+MdVKz+LuaBM4/1qrbbYTsHYU6Aez8HVWI8:LLXqrH+R+T

Score

10^/10

darkvision execution rat

Malware Config

Extracted

Family

darkvision

C2

85.115.223.20

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3936	powershell.exe
2640	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
1120	COM Surrogate.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3936	powershell.exe
3936	powershell.exe
2640	powershell.exe
2640	powershell.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1120	COM Surrogate.exe
1120	COM Surrogate.exe
1120	COM Surrogate.exe
1120	COM Surrogate.exe
1120	COM Surrogate.exe
1120	COM Surrogate.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3936	powershell.exe
Token: SeDebugPrivilege	2640	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 1164	3564	firsgen.exe	77
PID 3564 wrote to memory of 1164	3564	firsgen.exe	77
PID 1164 wrote to memory of 3936	1164	cmd.exe	79
PID 1164 wrote to memory of 3936	1164	cmd.exe	79
PID 3564 wrote to memory of 1120	3564	firsgen.exe	80
PID 3564 wrote to memory of 1120	3564	firsgen.exe	80
PID 1120 wrote to memory of 2812	1120	COM Surrogate.exe	81
PID 1120 wrote to memory of 2812	1120	COM Surrogate.exe	81
PID 1120 wrote to memory of 808	1120	COM Surrogate.exe	83
PID 1120 wrote to memory of 808	1120	COM Surrogate.exe	83
PID 2812 wrote to memory of 2640	2812	cmd.exe	84
PID 2812 wrote to memory of 2640	2812	cmd.exe	84
PID 1120 wrote to memory of 3280	1120	COM Surrogate.exe	85
PID 1120 wrote to memory of 3280	1120	COM Surrogate.exe	85

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Mine\firsgen.exe
"C:\Users\Admin\AppData\Local\Temp\Mine\firsgen.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3564
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c powershell.exe Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1164
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3936
- C:\Users\Admin\AppData\Roaming\Microsoft\COM Surrogate.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\COM Surrogate.exe" {70FD767A-2C35-4812-BC62-38FC490DCA3B}
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Windows\SYSTEM32\cmd.exe
    cmd.exe /c powershell.exe Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2812
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2640
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:808
- - C:\Windows\system32\svchost.exe
    "C:\Windows\system32\svchost.exe"
    3⤵
    PID:3280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

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
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
2e8eb51096d6f6781456fef7df731d97

SHA1
ec2aaf851a618fb43c3d040a13a71997c25bda43

SHA256
96bfd9dd5883329927fe8c08b8956355a1a6ceb30ceeb5d4252b346df32bc864

SHA512
0a73dc9a49f92d9dd556c2ca2e36761890b3538f355ee1f013e7cf648d8c4d065f28046cd4a167db3dea304d1fbcbcea68d11ce6e12a3f20f8b6c018a60422d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sprsvkta.2c2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\COM Surrogate.exe

Filesize
453KB

MD5
67a359e34ca0da8d1b51b3dbacc0e4bc

SHA1
5bb23dec795b3c7cd1cf9e3563834e14f9f3344c

SHA256
443c327eae304c70f48625b1b919fb9a2d89ce529f21251968baea487d3d9f94

SHA512
57ebc64d7a039c392cbab65df3fba8ffe260e2997d0c787c69a4633a37a67188312eb14f43e40171871d22298dbb54142c88a6badf956777be9506acb2169a08

Download Submit
memory/808-31-0x00000000020A0000-0x000000000211A000-memory.dmp

Filesize
488KB

Download
memory/808-22-0x00000000020A0000-0x000000000211A000-memory.dmp

Filesize
488KB

Download
memory/808-21-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/808-42-0x00000000020A0000-0x000000000211A000-memory.dmp

Filesize
488KB

Download
memory/808-29-0x00000000020A0000-0x000000000211A000-memory.dmp

Filesize
488KB

Download
memory/3280-53-0x000001E0AE9E0000-0x000001E0AEA5A000-memory.dmp

Filesize
488KB

Download
memory/3280-52-0x000001E0AE9E0000-0x000001E0AEA5A000-memory.dmp

Filesize
488KB

Download
memory/3280-45-0x000001E0AE9E0000-0x000001E0AEA5A000-memory.dmp

Filesize
488KB

Download
memory/3936-10-0x00007FFF856F0000-0x00007FFF861B2000-memory.dmp

Filesize
10.8MB

Download
memory/3936-11-0x00007FFF856F0000-0x00007FFF861B2000-memory.dmp

Filesize
10.8MB

Download
memory/3936-9-0x000001974CE40000-0x000001974CE62000-memory.dmp

Filesize
136KB

Download
memory/3936-12-0x00007FFF856F0000-0x00007FFF861B2000-memory.dmp

Filesize
10.8MB

Download
memory/3936-0-0x00007FFF856F3000-0x00007FFF856F5000-memory.dmp

Filesize
8KB

Download
memory/3936-16-0x00007FFF856F0000-0x00007FFF861B2000-memory.dmp

Filesize
10.8MB

Download
memory/3936-15-0x00007FFF856F0000-0x00007FFF861B2000-memory.dmp

Filesize
10.8MB

Download

Analysis

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