asyncrat | b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac

General

Target

b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac.exe
Size

74KB
MD5

86eb5ccbb33cbea2669afb35ebd38b72
SHA1

ab6968378f757d3c8af4dc3b7e74dd5b2658a1cd
SHA256

b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac
SHA512

d2cb6087202ce9ae06d3bf552f95f52f70ed3059e041295fa361233b11c0045b7d800137733acf056f3a955fe32837e7540de338f31e4d06b00c41aaeb8f3f6f
SSDEEP

1536:tU6UcxsbiCCJiPMVCe9VdQuDI6H1bf/ZBvI/NiYQzcOLVclN:tUjcxsbX+iPMVCe9VdQsH1bf81iYQHBY

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

5.34.125.39:5552

127.0.0.1:5552

Mutex

hecikikkurkuczulrql

Attributes

delay
1
install
true
install_file
VOV.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

VenomRAT 3 IoCs

Detects VenomRAT.

rat

resource	yara_rule
behavioral1/memory/2888-1-0x00000000002A0000-0x00000000002B8000-memory.dmp	VenomRAT
behavioral1/files/0x002a000000018b03-16.dat	VenomRAT
behavioral1/memory/2936-18-0x0000000001230000-0x0000000001248000-memory.dmp	VenomRAT

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x002a000000018b03-16.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2936	VOV.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2856	timeout.exe

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
2772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2888	b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac.exe
2936	VOV.exe
2936	VOV.exe
2936	VOV.exe
2936	VOV.exe
2936	VOV.exe
2936	VOV.exe
2936	VOV.exe
2936	VOV.exe
2936	VOV.exe
2936	VOV.exe
2936	VOV.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac.exe
Token: SeDebugPrivilege	2888	b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac.exe
Token: SeDebugPrivilege	2936	VOV.exe
Token: SeDebugPrivilege	2936	VOV.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2936	VOV.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2740	2888	b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac.exe	29
PID 2888 wrote to memory of 2740	2888	b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac.exe	29
PID 2888 wrote to memory of 2740	2888	b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac.exe	29
PID 2888 wrote to memory of 2860	2888	b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac.exe	31
PID 2888 wrote to memory of 2860	2888	b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac.exe	31
PID 2888 wrote to memory of 2860	2888	b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac.exe	31
PID 2860 wrote to memory of 2856	2860	cmd.exe	33
PID 2860 wrote to memory of 2856	2860	cmd.exe	33
PID 2860 wrote to memory of 2856	2860	cmd.exe	33
PID 2740 wrote to memory of 2772	2740	cmd.exe	34
PID 2740 wrote to memory of 2772	2740	cmd.exe	34
PID 2740 wrote to memory of 2772	2740	cmd.exe	34
PID 2860 wrote to memory of 2936	2860	cmd.exe	35
PID 2860 wrote to memory of 2936	2860	cmd.exe	35
PID 2860 wrote to memory of 2936	2860	cmd.exe	35

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\b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac.exe
"C:\Users\Admin\AppData\Local\Temp\b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "VOV" /tr '"C:\Users\Admin\AppData\Roaming\VOV.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "VOV" /tr '"C:\Users\Admin\AppData\Roaming\VOV.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2772
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1B7C.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2856
- - C:\Users\Admin\AppData\Roaming\VOV.exe
    "C:\Users\Admin\AppData\Roaming\VOV.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1B7C.tmp.bat

Filesize
147B

MD5
a0185208dc01329313fcd8c3e9c850b5

SHA1
f8ea15167d937310dc72bbde083542b8e9e423b3

SHA256
48a49ec72d528c3e1de3a415fd3b020583613ed9e717b73a907abc232337d59f

SHA512
bd4db80f3d5f338707e0b6eefcff74dfe2a5074762ef0efc0de0c0a819320a8a32dd30953101810d41d702762eb9f74ae056822aa6ff77f033fbece41728618e

Download Submit
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
C:\Users\Admin\AppData\Roaming\VOV.exe

Filesize
74KB

MD5
86eb5ccbb33cbea2669afb35ebd38b72

SHA1
ab6968378f757d3c8af4dc3b7e74dd5b2658a1cd

SHA256
b7e316cd815107632acf303548df4ced0a205b414c639ce91a237f26ea139fac

SHA512
d2cb6087202ce9ae06d3bf552f95f52f70ed3059e041295fa361233b11c0045b7d800137733acf056f3a955fe32837e7540de338f31e4d06b00c41aaeb8f3f6f

Download Submit
memory/2888-0-0x000007FEF5643000-0x000007FEF5644000-memory.dmp

Filesize
4KB

Download
memory/2888-1-0x00000000002A0000-0x00000000002B8000-memory.dmp

Filesize
96KB

Download
memory/2888-3-0x000007FEF5640000-0x000007FEF602C000-memory.dmp

Filesize
9.9MB

Download
memory/2888-12-0x000007FEF5640000-0x000007FEF602C000-memory.dmp

Filesize
9.9MB

Download
memory/2888-14-0x000007FEF5640000-0x000007FEF602C000-memory.dmp

Filesize
9.9MB

Download
memory/2936-18-0x0000000001230000-0x0000000001248000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads