asyncrat | 05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6

Analysis

max time kernel
139s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 06:04

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General

Target

JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe
Size

300.0MB
MD5

3bfc4f5d058aac39f3cd1cc7771fb376
SHA1

4f400860ad6e90f17b6abe3f925de5fe47dac4ba
SHA256

05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6
SHA512

263be832f00990f423febb1be6f7871841c695c876f051a6f0906dfa9cb577f00b5a6a610fdf36a8c5d3323d2e8b5e171d78fe2e42b4bf6114d6c76476fa236e
SSDEEP

6144:duoCmQdnCJGib1C5mb67X3UIAPaQxgm5LqGZAoyT24sc+n9fiibGd2HzZ:duL8JGib05b7XE2Q4+4Y

Score

10^/10

asyncrat venom clients discovery rat

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

venom12345.duckdns.org:4449

venomunverified.duckdns.org:4449

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

Executes dropped EXE 2 IoCs

pid	Process
2648	msdtc.exe
2076	msdtc.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2648 set thread context of 2252	2648	msdtc.exe	41
PID 2076 set thread context of 2096	2076	msdtc.exe	50

System Location Discovery: System Language Discovery 1 TTPs 18 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdtc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdtc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2832	schtasks.exe
2860	schtasks.exe
968	schtasks.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe
Token: SeDebugPrivilege	2464	RegAsm.exe
Token: SeDebugPrivilege	2648	msdtc.exe
Token: SeDebugPrivilege	2252	RegAsm.exe
Token: SeDebugPrivilege	2076	msdtc.exe
Token: SeDebugPrivilege	2096	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2380 wrote to memory of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2380 wrote to memory of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2380 wrote to memory of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2380 wrote to memory of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2380 wrote to memory of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2380 wrote to memory of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2380 wrote to memory of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2380 wrote to memory of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2380 wrote to memory of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2380 wrote to memory of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2380 wrote to memory of 2464	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	31
PID 2380 wrote to memory of 2804	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	32
PID 2380 wrote to memory of 2804	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	32
PID 2380 wrote to memory of 2804	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	32
PID 2380 wrote to memory of 2804	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	32
PID 2380 wrote to memory of 2264	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	34
PID 2380 wrote to memory of 2264	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	34
PID 2380 wrote to memory of 2264	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	34
PID 2380 wrote to memory of 2264	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	34
PID 2380 wrote to memory of 2724	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	36
PID 2380 wrote to memory of 2724	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	36
PID 2380 wrote to memory of 2724	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	36
PID 2380 wrote to memory of 2724	2380	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	36
PID 2264 wrote to memory of 2832	2264	cmd.exe	38
PID 2264 wrote to memory of 2832	2264	cmd.exe	38
PID 2264 wrote to memory of 2832	2264	cmd.exe	38
PID 2264 wrote to memory of 2832	2264	cmd.exe	38
PID 2516 wrote to memory of 2648	2516	taskeng.exe	40
PID 2516 wrote to memory of 2648	2516	taskeng.exe	40
PID 2516 wrote to memory of 2648	2516	taskeng.exe	40
PID 2516 wrote to memory of 2648	2516	taskeng.exe	40
PID 2648 wrote to memory of 2252	2648	msdtc.exe	41
PID 2648 wrote to memory of 2252	2648	msdtc.exe	41
PID 2648 wrote to memory of 2252	2648	msdtc.exe	41
PID 2648 wrote to memory of 2252	2648	msdtc.exe	41
PID 2648 wrote to memory of 2252	2648	msdtc.exe	41
PID 2648 wrote to memory of 2252	2648	msdtc.exe	41
PID 2648 wrote to memory of 2252	2648	msdtc.exe	41
PID 2648 wrote to memory of 2252	2648	msdtc.exe	41
PID 2648 wrote to memory of 2252	2648	msdtc.exe	41
PID 2648 wrote to memory of 2252	2648	msdtc.exe	41
PID 2648 wrote to memory of 2252	2648	msdtc.exe	41
PID 2648 wrote to memory of 2252	2648	msdtc.exe	41
PID 2648 wrote to memory of 2932	2648	msdtc.exe	42
PID 2648 wrote to memory of 2932	2648	msdtc.exe	42
PID 2648 wrote to memory of 2932	2648	msdtc.exe	42
PID 2648 wrote to memory of 2932	2648	msdtc.exe	42
PID 2648 wrote to memory of 2184	2648	msdtc.exe	44
PID 2648 wrote to memory of 2184	2648	msdtc.exe	44
PID 2648 wrote to memory of 2184	2648	msdtc.exe	44
PID 2648 wrote to memory of 2184	2648	msdtc.exe	44
PID 2648 wrote to memory of 2684	2648	msdtc.exe	45
PID 2648 wrote to memory of 2684	2648	msdtc.exe	45
PID 2648 wrote to memory of 2684	2648	msdtc.exe	45
PID 2648 wrote to memory of 2684	2648	msdtc.exe	45
PID 2184 wrote to memory of 2860	2184	cmd.exe	48
PID 2184 wrote to memory of 2860	2184	cmd.exe	48
PID 2184 wrote to memory of 2860	2184	cmd.exe	48
PID 2184 wrote to memory of 2860	2184	cmd.exe	48
PID 2516 wrote to memory of 2076	2516	taskeng.exe	49
PID 2516 wrote to memory of 2076	2516	taskeng.exe	49
PID 2516 wrote to memory of 2076	2516	taskeng.exe	49
PID 2516 wrote to memory of 2076	2516	taskeng.exe	49

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2464
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\msdtc"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2264
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2832
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe" "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2724

C:\Windows\system32\taskeng.exe
taskeng.exe {979CB5AC-2D6D-4F1A-AC53-32AC8D693092} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
  C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2252
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\msdtc"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2932
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2184
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2860
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe" "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2684
- C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
  C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2076
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2096
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\msdtc"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1084
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2092
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:968
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe" "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2076-40-0x00000000001F0000-0x0000000000272000-memory.dmp

Filesize
520KB

Download
memory/2096-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2252-36-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2252-37-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2252-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2380-20-0x0000000074100000-0x00000000747EE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-1-0x0000000000B00000-0x0000000000B82000-memory.dmp

Filesize
520KB

Download
memory/2380-2-0x0000000074100000-0x00000000747EE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-0-0x000000007410E000-0x000000007410F000-memory.dmp

Filesize
4KB

Download
memory/2464-8-0x0000000000090000-0x00000000000A6000-memory.dmp

Filesize
88KB

Download
memory/2464-11-0x0000000000090000-0x00000000000A6000-memory.dmp

Filesize
88KB

Download
memory/2464-12-0x0000000000090000-0x00000000000A6000-memory.dmp

Filesize
88KB

Download
memory/2464-16-0x0000000000090000-0x00000000000A6000-memory.dmp

Filesize
88KB

Download
memory/2464-19-0x0000000000090000-0x00000000000A6000-memory.dmp

Filesize
88KB

Download
memory/2464-5-0x0000000000090000-0x00000000000A6000-memory.dmp

Filesize
88KB

Download
memory/2464-3-0x0000000000090000-0x00000000000A6000-memory.dmp

Filesize
88KB

Download
memory/2464-7-0x0000000000090000-0x00000000000A6000-memory.dmp

Filesize
88KB

Download
memory/2464-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-25-0x00000000001E0000-0x0000000000262000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads