darkvision | a38af00414755bb4d19e5321c5ac0df620dbbc6ca5218a8d58e7153ba27751df

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2024, 01:00

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General

Target
ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe
Size 976KB
Sample241103-bc29hstkfp
SHA256 ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26
MD5 0f2800e7a761d58fc3d25abfce6a7e8e
SHA1 b6a8fa05d5e4c0028fdf61ebab6d4c469936e828
SHA512 bd22454d9be466c9bda46c5fe6e4da10c0516f0b02187c41d9485ce5a69e6d38dcec21c2759b782aab88b060a9d74c7ec7f335e381b173c9bcbf44d03a51fdc2
SSDEEP 24576:Rv6Lm2aNvVIx22wYGSiz4hNFXtWyDTjBFKzXZB:Rv5NvOcYGSiz4hNDWsTjSP
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkvision execution rat

Malware Config

Extracted

Family

darkvision

http://fiestagrandefm.com/ss/upload.php
45.88.91.87

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
5092	powershell.exe

Downloads MZ/PE file

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4836 set thread context of 4312	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	104

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3476	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5092	powershell.exe
5092	powershell.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
4312	vbc.exe
4312	vbc.exe
4312	vbc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5092	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 5092	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	100
PID 4836 wrote to memory of 5092	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	100
PID 4836 wrote to memory of 3476	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	101
PID 4836 wrote to memory of 3476	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	101
PID 4836 wrote to memory of 4312	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	104
PID 4836 wrote to memory of 4312	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	104
PID 4836 wrote to memory of 4312	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	104
PID 4836 wrote to memory of 4312	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	104
PID 4836 wrote to memory of 4312	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	104
PID 4836 wrote to memory of 4312	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	104
PID 4836 wrote to memory of 4312	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	104
PID 4836 wrote to memory of 4312	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	104
PID 4836 wrote to memory of 4312	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	104
PID 4836 wrote to memory of 4312	4836	ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe	104
PID 4312 wrote to memory of 4288	4312	vbc.exe	106
PID 4312 wrote to memory of 4288	4312	vbc.exe	106

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\ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe
"C:\Users\Admin\AppData\Local\Temp\ccb058d87e0b36a4707237da61542397228f48434616320d0f77d67e6ac82a26.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zSrmNQa.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5092
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zSrmNQa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFC23.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3476
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
  2⤵
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4312
- - C:\Windows\EXPLORER.EXE
    C:\Windows\EXPLORER.EXE {93CD7538-7982-4E29-864C-F4709F7CEC94}
    3⤵
    PID:4288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_p1pmynwa.ieq.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p1pmynwa.ieq.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

tmpFC23.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpFC23.tmp
Size 1KB
SHA256 f468d0ea064860a74e7926f931ff1cf26b4f3d07a92219310eb2889edb1b4cb1
MD5 80d3ada9940881d0dd9e51c9e9137840
SHA1 7c64a107f658223deb47203f75bbc018f2e89975
SHA512 ea9ad50dcac7bbebeec8817f8798aa09dfbb645b80904912a592830739a3bab659027ea5777d27a702617095d39f94597cba4c43bdd38380d10612559d666ed2
MD5 SHA1 SHA512

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memory/4288-39-0x0000000002970000-0x0000000002A73000-memory.dmp

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memory/4288-45-0x0000000002970000-0x0000000002A73000-memory.dmp

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memory/4288-53-0x0000000002970000-0x0000000002A73000-memory.dmp

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memory/4288-38-0x0000000000C90000-0x0000000000C91000-memory.dmp

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memory/4312-17-0x0000000140000000-0x0000000140076000-memory.dmp

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memory/4312-16-0x0000000140000000-0x0000000140076000-memory.dmp

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memory/4312-34-0x0000000140000000-0x0000000140076000-memory.dmp

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memory/4312-18-0x0000000140000000-0x0000000140076000-memory.dmp

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memory/4312-14-0x0000000140000000-0x0000000140076000-memory.dmp

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memory/4312-54-0x0000000140000000-0x0000000140076000-memory.dmp

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memory/4836-0-0x00007FFD9DC43000-0x00007FFD9DC45000-memory.dmp

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memory/4836-5-0x00007FFD9DC40000-0x00007FFD9E701000-memory.dmp

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memory/4836-6-0x0000000002D20000-0x0000000002D36000-memory.dmp

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memory/4836-4-0x00007FFD9DC43000-0x00007FFD9DC45000-memory.dmp

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memory/4836-7-0x000000001CC50000-0x000000001CC64000-memory.dmp

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memory/4836-32-0x00007FFD9DC40000-0x00007FFD9E701000-memory.dmp

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memory/4836-3-0x0000000002BE0000-0x0000000002C04000-memory.dmp

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memory/4836-8-0x000000001E3E0000-0x000000001E492000-memory.dmp

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memory/4836-2-0x00007FFD9DC40000-0x00007FFD9E701000-memory.dmp

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memory/4836-1-0x00000000000E0000-0x00000000001D8000-memory.dmp

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memory/5092-29-0x00007FFD9DC40000-0x00007FFD9E701000-memory.dmp

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memory/5092-37-0x00007FFD9DC40000-0x00007FFD9E701000-memory.dmp

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memory/5092-33-0x00007FFD9DC40000-0x00007FFD9E701000-memory.dmp

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memory/5092-31-0x00007FFD9DC40000-0x00007FFD9E701000-memory.dmp

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memory/5092-24-0x00000157CABB0000-0x00000157CABD2000-memory.dmp

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