asyncrat | 05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
3820	msdtc.exe
4684	msdtc.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3832 set thread context of 3120	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	82
PID 3820 set thread context of 3112	3820	msdtc.exe	100
PID 4684 set thread context of 1380	4684	msdtc.exe	109

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	cmd.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	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	msdtc.exe
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	RegAsm.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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.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
4304	schtasks.exe
1372	schtasks.exe
804	schtasks.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe
Token: SeDebugPrivilege	3120	RegAsm.exe
Token: SeDebugPrivilege	3820	msdtc.exe
Token: SeDebugPrivilege	3112	RegAsm.exe
Token: SeDebugPrivilege	4684	msdtc.exe
Token: SeDebugPrivilege	1380	RegAsm.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 3120	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	82
PID 3832 wrote to memory of 3120	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	82
PID 3832 wrote to memory of 3120	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	82
PID 3832 wrote to memory of 3120	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	82
PID 3832 wrote to memory of 3120	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	82
PID 3832 wrote to memory of 3120	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	82
PID 3832 wrote to memory of 3120	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	82
PID 3832 wrote to memory of 3120	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	82
PID 3832 wrote to memory of 4948	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	83
PID 3832 wrote to memory of 4948	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	83
PID 3832 wrote to memory of 4948	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	83
PID 3832 wrote to memory of 2904	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	85
PID 3832 wrote to memory of 2904	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	85
PID 3832 wrote to memory of 2904	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	85
PID 3832 wrote to memory of 3376	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	86
PID 3832 wrote to memory of 3376	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	86
PID 3832 wrote to memory of 3376	3832	JaffaCakes118_05af19f88159fdc48e4039627198ddffacceb086e67a5fe0a76379a490be75a6.exe	86
PID 2904 wrote to memory of 4304	2904	cmd.exe	89
PID 2904 wrote to memory of 4304	2904	cmd.exe	89
PID 2904 wrote to memory of 4304	2904	cmd.exe	89
PID 3820 wrote to memory of 3112	3820	msdtc.exe	100
PID 3820 wrote to memory of 3112	3820	msdtc.exe	100
PID 3820 wrote to memory of 3112	3820	msdtc.exe	100
PID 3820 wrote to memory of 3112	3820	msdtc.exe	100
PID 3820 wrote to memory of 3112	3820	msdtc.exe	100
PID 3820 wrote to memory of 3112	3820	msdtc.exe	100
PID 3820 wrote to memory of 3112	3820	msdtc.exe	100
PID 3820 wrote to memory of 3112	3820	msdtc.exe	100
PID 3820 wrote to memory of 316	3820	msdtc.exe	101
PID 3820 wrote to memory of 316	3820	msdtc.exe	101
PID 3820 wrote to memory of 316	3820	msdtc.exe	101
PID 3820 wrote to memory of 4388	3820	msdtc.exe	102
PID 3820 wrote to memory of 4388	3820	msdtc.exe	102
PID 3820 wrote to memory of 4388	3820	msdtc.exe	102
PID 3820 wrote to memory of 2828	3820	msdtc.exe	105
PID 3820 wrote to memory of 2828	3820	msdtc.exe	105
PID 3820 wrote to memory of 2828	3820	msdtc.exe	105
PID 4388 wrote to memory of 1372	4388	cmd.exe	107
PID 4388 wrote to memory of 1372	4388	cmd.exe	107
PID 4388 wrote to memory of 1372	4388	cmd.exe	107
PID 4684 wrote to memory of 1380	4684	msdtc.exe	109
PID 4684 wrote to memory of 1380	4684	msdtc.exe	109
PID 4684 wrote to memory of 1380	4684	msdtc.exe	109
PID 4684 wrote to memory of 1380	4684	msdtc.exe	109
PID 4684 wrote to memory of 1380	4684	msdtc.exe	109
PID 4684 wrote to memory of 1380	4684	msdtc.exe	109
PID 4684 wrote to memory of 1380	4684	msdtc.exe	109
PID 4684 wrote to memory of 1380	4684	msdtc.exe	109
PID 4684 wrote to memory of 384	4684	msdtc.exe	110
PID 4684 wrote to memory of 384	4684	msdtc.exe	110
PID 4684 wrote to memory of 384	4684	msdtc.exe	110
PID 4684 wrote to memory of 2232	4684	msdtc.exe	111
PID 4684 wrote to memory of 2232	4684	msdtc.exe	111
PID 4684 wrote to memory of 2232	4684	msdtc.exe	111
PID 4684 wrote to memory of 2736	4684	msdtc.exe	113
PID 4684 wrote to memory of 2736	4684	msdtc.exe	113
PID 4684 wrote to memory of 2736	4684	msdtc.exe	113
PID 2232 wrote to memory of 804	2232	cmd.exe	116
PID 2232 wrote to memory of 804	2232	cmd.exe	116
PID 2232 wrote to memory of 804	2232	cmd.exe	116

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:3832
- 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:3120
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\msdtc"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4948
- 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:2904
- - 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:4304
- 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:3376

C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3820
- 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:3112
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\msdtc"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:316
- 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:4388
- - 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:1372
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe" "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2828

C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4684
- 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:1380
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\msdtc"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:384
- 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:2232
- - 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:804
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe" "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2736

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegAsm.exe.log

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\msdtc.exe.log

Filesize
517B

MD5
4d737622dcf53d4cf89810ec284fdf89

SHA1
a71b0c3ac6b940047ca7730465c1f97342c8ca08

SHA256
7d5529c9d51a138cea4ae46faa32497ccf1e55d6bd5aa43f746d413ce80fa1cb

SHA512
acf53d9d2ffe5e3dd34760e3c8e138229ee9805387ddf0765266ee882268cf64f84fb4a1b79aee3f90b88b50f1a1bbf10c9ba7a1013496059b46f3abe9c859c6

Download Submit
memory/3120-11-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3120-4-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3120-6-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3120-12-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3120-8-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3820-15-0x0000000000D30000-0x0000000000DB2000-memory.dmp

Filesize
520KB

Download
memory/3832-3-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3832-7-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3832-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/3832-2-0x00000000052D0000-0x0000000005336000-memory.dmp

Filesize
408KB

Download
memory/3832-1-0x0000000000D70000-0x0000000000DF2000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads