asyncrat | f2f9488bf82e70695cc3a8e25e64681bcd057ccdf43aa5187a53f05f33f5c9fb

General

Target

AWP.GG.exe
Size

63KB
MD5

090fb6a455841538572f28e65abe87ad
SHA1

b33bb39ecdf6216f2eb0490a1e8b0e6f9d051f56
SHA256

f2f9488bf82e70695cc3a8e25e64681bcd057ccdf43aa5187a53f05f33f5c9fb
SHA512

703e2bbb8819554de3f47eba85d1c3d42ebb6061a61bc5dc4314ad8ba579786b59996df1beaf0e358fb6f6987c1e238e9b2ea91030552558541a57c47cf3fe56
SSDEEP

1536:YhIBLTM3Ufc0cMdQc78dgEmxwbbkwYFG+DpqKmY7:YhIBLTM3Ufc6dD7cywbbkFpgz

Score

10^/10

asyncrat venom clients evasion execution rat

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

but-directive.gl.at.ply.gg:9840

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat
Disables Task Manager via registry modification
evasion

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	AWP.GG.exe

Executes dropped EXE 1 IoCs

pid	Process
3556	Virus.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Start PowerShell.

execution

PowerShell

T1059.001

pid	Process
4592	powershell.exe

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

System Information Discovery
T1082

Kills process with taskkill 2 IoCs

evasion

pid	Process
2340	taskkill.exe
3512	taskkill.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4592	powershell.exe
4592	powershell.exe
4676	AWP.GG.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4676	AWP.GG.exe
Token: SeDebugPrivilege	4592	powershell.exe
Token: SeDebugPrivilege	3512	taskkill.exe
Token: SeDebugPrivilege	2340	taskkill.exe
Token: 33	2568	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2568	AUDIODG.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 3456	4676	AWP.GG.exe	101
PID 4676 wrote to memory of 3456	4676	AWP.GG.exe	101
PID 3456 wrote to memory of 4592	3456	cmd.exe	103
PID 3456 wrote to memory of 4592	3456	cmd.exe	103
PID 4592 wrote to memory of 3556	4592	powershell.exe	104
PID 4592 wrote to memory of 3556	4592	powershell.exe	104
PID 3556 wrote to memory of 2340	3556	Virus.exe	105
PID 3556 wrote to memory of 2340	3556	Virus.exe	105
PID 3556 wrote to memory of 3512	3556	Virus.exe	106
PID 3556 wrote to memory of 3512	3556	Virus.exe	106

C:\Users\Admin\AppData\Local\Temp\AWP.GG.exe
"C:\Users\Admin\AppData\Local\Temp\AWP.GG.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\Virus.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3456
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\Virus.exe"'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4592
  - - C:\Users\Admin\AppData\Local\Temp\Virus.exe
      "C:\Users\Admin\AppData\Local\Temp\Virus.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:3556
    - - C:\Windows\SYSTEM32\taskkill.exe
        
        taskkill.exe /f /im explorer.exe
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:2340
    - - C:\Windows\SYSTEM32\taskkill.exe
        
        taskkill.exe /f /im taskmgr.exe
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3512

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4a0 0x324
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2568

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Virus.exe

Filesize
3.0MB

MD5
b6d61b516d41e209b207b41d91e3b90d

SHA1
e50d4b7bf005075cb63d6bd9ad48c92a00ee9444

SHA256
3d0efd55bde5fb7a73817940bac2a901d934b496738b7c5cab7ea0f6228e28fe

SHA512
3217fc904e4c71b399dd273786634a6a6c19064a9bf96960df9b3357001c12b9547813412173149f6185eb5d300492d290342ec955a8347c6f9dcac338c136da

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fcujgn32.d21.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3556-35-0x000000001C570000-0x000000001C5BC000-memory.dmp

Filesize
304KB

Download
memory/3556-34-0x000000001B8F0000-0x000000001B8F8000-memory.dmp

Filesize
32KB

Download
memory/3556-33-0x000000001C410000-0x000000001C4AC000-memory.dmp

Filesize
624KB

Download
memory/3556-32-0x000000001BE20000-0x000000001C2EE000-memory.dmp

Filesize
4.8MB

Download
memory/3556-31-0x000000001B840000-0x000000001B8E6000-memory.dmp

Filesize
664KB

Download
memory/4592-13-0x00007FFAB0180000-0x00007FFAB0C41000-memory.dmp

Filesize
10.8MB

Download
memory/4592-25-0x00007FFAB0180000-0x00007FFAB0C41000-memory.dmp

Filesize
10.8MB

Download
memory/4592-30-0x00007FFAB0180000-0x00007FFAB0C41000-memory.dmp

Filesize
10.8MB

Download
memory/4592-20-0x000001F5DC9A0000-0x000001F5DC9C2000-memory.dmp

Filesize
136KB

Download
memory/4592-14-0x00007FFAB0180000-0x00007FFAB0C41000-memory.dmp

Filesize
10.8MB

Download
memory/4676-0-0x00007FFAB0183000-0x00007FFAB0185000-memory.dmp

Filesize
8KB

Download
memory/4676-9-0x000000001DDC0000-0x000000001DE36000-memory.dmp

Filesize
472KB

Download
memory/4676-10-0x0000000003020000-0x000000000302E000-memory.dmp

Filesize
56KB

Download
memory/4676-8-0x00007FFAB0180000-0x00007FFAB0C41000-memory.dmp

Filesize
10.8MB

Download
memory/4676-11-0x0000000003060000-0x000000000307E000-memory.dmp

Filesize
120KB

Download
memory/4676-7-0x00007FFAB0180000-0x00007FFAB0C41000-memory.dmp

Filesize
10.8MB

Download
memory/4676-6-0x00007FFAB0183000-0x00007FFAB0185000-memory.dmp

Filesize
8KB

Download
memory/4676-3-0x00007FFAB0180000-0x00007FFAB0C41000-memory.dmp

Filesize
10.8MB

Download
memory/4676-2-0x00007FFAB0180000-0x00007FFAB0C41000-memory.dmp

Filesize
10.8MB

Download
memory/4676-1-0x0000000000F30000-0x0000000000F46000-memory.dmp

Filesize
88KB

Download

Analysis

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