asyncrat | 5e1927efa5893ea03dedbcbfd93bd55e502e842ab8f0f868377838b9ae200ee5

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:08

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General

Target

QWEDFGHNM01LKJNB70.exe
Size

300.0MB
MD5

dc03290442587a0f396214227b2a95c3
SHA1

6c25ed2e5f38277405b11c162c6e347dd13f80b1
SHA256

3a0c56f5de394f437e20cd22718e1feb0a3d66aeb13fb60f4b5a61e04bfea2f6
SHA512

e5a62ef9d41b66e5f7e5ffd6861bcdbb7d34ee81ec40aa6c6801441e1e0460f3e262ecd270d7641aa332fa468e385da36c9ffeb54eab2cc7372a1bb9be5259eb
SSDEEP

3072:NtX+qpAgYWQAZWy6tQ3bNwymWIi7sGe8IsPsBAAAAAAAAAAAAAAAAAASY:OqpTQAZz6+Nwe8Ge8XC

Score

10^/10

asyncrat venom clients discovery rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT 5.0.5

Botnet

Venom Clients

g896696.duckdns.org:7343

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
1684	poijh.exe
1624	poijh.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2392 set thread context of 2844	2392	QWEDFGHNM01LKJNB70.exe	35
PID 1684 set thread context of 768	1684	poijh.exe	43
PID 1624 set thread context of 2520	1624	poijh.exe	50

System Location Discovery: System Language Discovery 1 TTPs 15 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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	poijh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	poijh.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	cmd.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QWEDFGHNM01LKJNB70.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2820	schtasks.exe
1048	schtasks.exe
1284	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	vbc.exe
Token: SeDebugPrivilege	768	vbc.exe
Token: SeDebugPrivilege	2520	vbc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 1916	2392	QWEDFGHNM01LKJNB70.exe	30
PID 2392 wrote to memory of 1916	2392	QWEDFGHNM01LKJNB70.exe	30
PID 2392 wrote to memory of 1916	2392	QWEDFGHNM01LKJNB70.exe	30
PID 2392 wrote to memory of 1916	2392	QWEDFGHNM01LKJNB70.exe	30
PID 2392 wrote to memory of 2748	2392	QWEDFGHNM01LKJNB70.exe	32
PID 2392 wrote to memory of 2748	2392	QWEDFGHNM01LKJNB70.exe	32
PID 2392 wrote to memory of 2748	2392	QWEDFGHNM01LKJNB70.exe	32
PID 2392 wrote to memory of 2748	2392	QWEDFGHNM01LKJNB70.exe	32
PID 1916 wrote to memory of 2820	1916	cmd.exe	34
PID 1916 wrote to memory of 2820	1916	cmd.exe	34
PID 1916 wrote to memory of 2820	1916	cmd.exe	34
PID 1916 wrote to memory of 2820	1916	cmd.exe	34
PID 2392 wrote to memory of 2844	2392	QWEDFGHNM01LKJNB70.exe	35
PID 2392 wrote to memory of 2844	2392	QWEDFGHNM01LKJNB70.exe	35
PID 2392 wrote to memory of 2844	2392	QWEDFGHNM01LKJNB70.exe	35
PID 2392 wrote to memory of 2844	2392	QWEDFGHNM01LKJNB70.exe	35
PID 2392 wrote to memory of 2844	2392	QWEDFGHNM01LKJNB70.exe	35
PID 2392 wrote to memory of 2844	2392	QWEDFGHNM01LKJNB70.exe	35
PID 2392 wrote to memory of 2844	2392	QWEDFGHNM01LKJNB70.exe	35
PID 2392 wrote to memory of 2844	2392	QWEDFGHNM01LKJNB70.exe	35
PID 2392 wrote to memory of 2844	2392	QWEDFGHNM01LKJNB70.exe	35
PID 2228 wrote to memory of 1684	2228	taskeng.exe	37
PID 2228 wrote to memory of 1684	2228	taskeng.exe	37
PID 2228 wrote to memory of 1684	2228	taskeng.exe	37
PID 2228 wrote to memory of 1684	2228	taskeng.exe	37
PID 1684 wrote to memory of 444	1684	poijh.exe	39
PID 1684 wrote to memory of 444	1684	poijh.exe	39
PID 1684 wrote to memory of 444	1684	poijh.exe	39
PID 1684 wrote to memory of 444	1684	poijh.exe	39
PID 1684 wrote to memory of 1132	1684	poijh.exe	40
PID 1684 wrote to memory of 1132	1684	poijh.exe	40
PID 1684 wrote to memory of 1132	1684	poijh.exe	40
PID 1684 wrote to memory of 1132	1684	poijh.exe	40
PID 1684 wrote to memory of 768	1684	poijh.exe	43
PID 1684 wrote to memory of 768	1684	poijh.exe	43
PID 1684 wrote to memory of 768	1684	poijh.exe	43
PID 1684 wrote to memory of 768	1684	poijh.exe	43
PID 1684 wrote to memory of 768	1684	poijh.exe	43
PID 1684 wrote to memory of 768	1684	poijh.exe	43
PID 1684 wrote to memory of 768	1684	poijh.exe	43
PID 1684 wrote to memory of 768	1684	poijh.exe	43
PID 1684 wrote to memory of 768	1684	poijh.exe	43
PID 444 wrote to memory of 1048	444	cmd.exe	44
PID 444 wrote to memory of 1048	444	cmd.exe	44
PID 444 wrote to memory of 1048	444	cmd.exe	44
PID 444 wrote to memory of 1048	444	cmd.exe	44
PID 2228 wrote to memory of 1624	2228	taskeng.exe	45
PID 2228 wrote to memory of 1624	2228	taskeng.exe	45
PID 2228 wrote to memory of 1624	2228	taskeng.exe	45
PID 2228 wrote to memory of 1624	2228	taskeng.exe	45
PID 1624 wrote to memory of 1552	1624	poijh.exe	46
PID 1624 wrote to memory of 1552	1624	poijh.exe	46
PID 1624 wrote to memory of 1552	1624	poijh.exe	46
PID 1624 wrote to memory of 1552	1624	poijh.exe	46
PID 1624 wrote to memory of 936	1624	poijh.exe	47
PID 1624 wrote to memory of 936	1624	poijh.exe	47
PID 1624 wrote to memory of 936	1624	poijh.exe	47
PID 1624 wrote to memory of 936	1624	poijh.exe	47
PID 1624 wrote to memory of 2520	1624	poijh.exe	50
PID 1624 wrote to memory of 2520	1624	poijh.exe	50
PID 1624 wrote to memory of 2520	1624	poijh.exe	50
PID 1624 wrote to memory of 2520	1624	poijh.exe	50
PID 1624 wrote to memory of 2520	1624	poijh.exe	50
PID 1624 wrote to memory of 2520	1624	poijh.exe	50

C:\Users\Admin\AppData\Local\Temp\QWEDFGHNM01LKJNB70.exe
"C:\Users\Admin\AppData\Local\Temp\QWEDFGHNM01LKJNB70.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\poijh.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\poijh.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2820
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\QWEDFGHNM01LKJNB70.exe" "C:\Users\Admin\AppData\Roaming\poijh.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2844

C:\Windows\system32\taskeng.exe
taskeng.exe {E09CA456-7B57-4529-AF6D-D4D5C1EEFC53} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Users\Admin\AppData\Roaming\poijh.exe
  C:\Users\Admin\AppData\Roaming\poijh.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\poijh.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:444
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\poijh.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1048
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\poijh.exe" "C:\Users\Admin\AppData\Roaming\poijh.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1132
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:768
- C:\Users\Admin\AppData\Roaming\poijh.exe
  C:\Users\Admin\AppData\Roaming\poijh.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1624
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\poijh.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1552
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\poijh.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1284
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\poijh.exe" "C:\Users\Admin\AppData\Roaming\poijh.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:936
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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/768-43-0x00000000001C0000-0x00000000001D6000-memory.dmp

Filesize
88KB

Download
memory/768-35-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/768-40-0x00000000001C0000-0x00000000001D6000-memory.dmp

Filesize
88KB

Download
memory/768-36-0x00000000001C0000-0x00000000001D6000-memory.dmp

Filesize
88KB

Download
memory/1624-46-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/1684-26-0x0000000000370000-0x0000000000398000-memory.dmp

Filesize
160KB

Download
memory/2392-10-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2392-23-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-2-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2392-1-0x0000000000DC0000-0x0000000000DE8000-memory.dmp

Filesize
160KB

Download
memory/2520-56-0x0000000000080000-0x0000000000096000-memory.dmp

Filesize
88KB

Download
memory/2520-55-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2520-60-0x0000000000080000-0x0000000000096000-memory.dmp

Filesize
88KB

Download
memory/2520-63-0x0000000000080000-0x0000000000096000-memory.dmp

Filesize
88KB

Download
memory/2844-4-0x00000000000C0000-0x00000000000D6000-memory.dmp

Filesize
88KB

Download
memory/2844-13-0x00000000000C0000-0x00000000000D6000-memory.dmp

Filesize
88KB

Download
memory/2844-18-0x00000000000C0000-0x00000000000D6000-memory.dmp

Filesize
88KB

Download
memory/2844-22-0x00000000000C0000-0x00000000000D6000-memory.dmp

Filesize
88KB

Download
memory/2844-14-0x00000000000C0000-0x00000000000D6000-memory.dmp

Filesize
88KB

Download
memory/2844-3-0x00000000000C0000-0x00000000000D6000-memory.dmp

Filesize
88KB

Download
memory/2844-5-0x00000000000C0000-0x00000000000D6000-memory.dmp

Filesize
88KB

Download
memory/2844-7-0x00000000000C0000-0x00000000000D6000-memory.dmp

Filesize
88KB

Download
memory/2844-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads