asyncrat | 0e98e910ed50618f8ad181e371c197d6342215753b7938d75358a1351423f1e3

General

Target

Image-logger1.exe
Size

74KB
MD5

269dcdc4f147e62cec52eb56cbac81c5
SHA1

5d53e087a271ee7fc9b308332ba14ef0d4e1df11
SHA256

0e98e910ed50618f8ad181e371c197d6342215753b7938d75358a1351423f1e3
SHA512

471b829779ea601830d95044f66e7103d785fefacadfafda4e721f103da69d929c6dae3e10e795bf896edd08c4122a3b45a565ea9a8433d72b3c4e6640dd1570
SSDEEP

1536:fUqUcxgAkC4fsiPMVw6edjOXqIgH1bq/fkDbUpQzceLVclN:fUTcxgTEiPMVw6edjOkH1bq34gpQ3BY

Score

10^/10

asyncrat venomrat windows rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Windows

C2

147.185.221.19:29253

Mutex

doxtiisforiqxq

Attributes

delay
1
install
true
install_file
ProgramFile.exe
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

VenomRAT 3 IoCs

Detects VenomRAT.

rat

Processes:

resource	yara_rule
behavioral1/memory/2624-1-0x0000000000850000-0x0000000000868000-memory.dmp	VenomRAT
behavioral1/files/0x00360000000160e7-16.dat	VenomRAT
behavioral1/memory/2668-18-0x0000000000FF0000-0x0000000001008000-memory.dmp	VenomRAT

Venomrat family
venomrat

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/files/0x00360000000160e7-16.dat	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

ProgramFile.exe

pid	Process
2668	ProgramFile.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

Processes:

timeout.exe

pid	Process
2712	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

Processes:

schtasks.exe

pid	Process
2200	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

Image-logger1.exeProgramFile.exe

pid	Process
2624	Image-logger1.exe
2624	Image-logger1.exe
2624	Image-logger1.exe
2668	ProgramFile.exe
2668	ProgramFile.exe
2668	ProgramFile.exe
2668	ProgramFile.exe
2668	ProgramFile.exe
2668	ProgramFile.exe
2668	ProgramFile.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Image-logger1.exeProgramFile.exe

description	pid	Process
Token: SeDebugPrivilege	2624	Image-logger1.exe
Token: SeDebugPrivilege	2624	Image-logger1.exe
Token: SeDebugPrivilege	2668	ProgramFile.exe
Token: SeDebugPrivilege	2668	ProgramFile.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ProgramFile.exe

pid	Process
2668	ProgramFile.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Image-logger1.execmd.execmd.exe

description	pid	Process	procid_target
PID 2624 wrote to memory of 2772	2624	Image-logger1.exe	30
PID 2624 wrote to memory of 2772	2624	Image-logger1.exe	30
PID 2624 wrote to memory of 2772	2624	Image-logger1.exe	30
PID 2624 wrote to memory of 2768	2624	Image-logger1.exe	31
PID 2624 wrote to memory of 2768	2624	Image-logger1.exe	31
PID 2624 wrote to memory of 2768	2624	Image-logger1.exe	31
PID 2772 wrote to memory of 2200	2772	cmd.exe	34
PID 2772 wrote to memory of 2200	2772	cmd.exe	34
PID 2772 wrote to memory of 2200	2772	cmd.exe	34
PID 2768 wrote to memory of 2712	2768	cmd.exe	35
PID 2768 wrote to memory of 2712	2768	cmd.exe	35
PID 2768 wrote to memory of 2712	2768	cmd.exe	35
PID 2768 wrote to memory of 2668	2768	cmd.exe	36
PID 2768 wrote to memory of 2668	2768	cmd.exe	36
PID 2768 wrote to memory of 2668	2768	cmd.exe	36

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\Image-logger1.exe
"C:\Users\Admin\AppData\Local\Temp\Image-logger1.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ProgramFile" /tr '"C:\Users\Admin\AppData\Roaming\ProgramFile.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "ProgramFile" /tr '"C:\Users\Admin\AppData\Roaming\ProgramFile.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2200
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp3D4E.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2712
- - C:\Users\Admin\AppData\Roaming\ProgramFile.exe
    "C:\Users\Admin\AppData\Roaming\ProgramFile.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2668

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\tmp3D4E.tmp.bat

Filesize
155B

MD5
9d7638b14440760ce2621ceba196f3e6

SHA1
423f2e03254475ac11a47583b73cf559741a2f70

SHA256
90e716ad7d5921ca9f31392cd54da5a7508f8c884d765ce1ec4fce607f037f99

SHA512
7c5b2ea301506ff7e9a59028f5cc5d56296a0e718b1f957e1fa9a79a4f10df99f85c6e18abefdf0985f12752f0068e44a56c44bbf520a7cc80993e7e4e08f0fe

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\ProgramFile.exe

Filesize
74KB

MD5
269dcdc4f147e62cec52eb56cbac81c5

SHA1
5d53e087a271ee7fc9b308332ba14ef0d4e1df11

SHA256
0e98e910ed50618f8ad181e371c197d6342215753b7938d75358a1351423f1e3

SHA512
471b829779ea601830d95044f66e7103d785fefacadfafda4e721f103da69d929c6dae3e10e795bf896edd08c4122a3b45a565ea9a8433d72b3c4e6640dd1570

Download Submit
memory/2624-0-0x000007FEF4C83000-0x000007FEF4C84000-memory.dmp

Filesize
4KB

Download
memory/2624-1-0x0000000000850000-0x0000000000868000-memory.dmp

Filesize
96KB

Download
memory/2624-3-0x000007FEF4C80000-0x000007FEF566C000-memory.dmp

Filesize
9.9MB

Download
memory/2624-12-0x000007FEF4C80000-0x000007FEF566C000-memory.dmp

Filesize
9.9MB

Download
memory/2624-14-0x000007FEF4C80000-0x000007FEF566C000-memory.dmp

Filesize
9.9MB

Download
memory/2668-18-0x0000000000FF0000-0x0000000001008000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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