asyncrat | d6759962ca644dd8a950d33c55b7b799a731540eb73166e29257a0e4139be7f5

Analysis

max time kernel
147s
max time network
151s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 18:25

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General

Target

6002845UDOOPZE.exe
Size

301.0MB
MD5

a0101393af76c8defc685601bf00b050
SHA1

06deea9b7e544d86599c27e77b02193ba8ea65d7
SHA256

2b28db92f130ef4d71ccfbc40b2456e2f82ea645a9d493f681269fe08e277cb2
SHA512

cd59e33c5238445e5947775d57867204e8917232bd3a19787d20e269cba8dd8396ecf43f693480d4326b3725bf785b5c17e15ca7e81a836cfd5acc056e77d19a
SSDEEP

3072:Ixrfsl33+seYAlFpKb45eoUeGo2mT9Vua0Hi:67s8pKrlePZV

Score

10^/10

asyncrat nov-7(vhd)discovery rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT 5.0.5

Botnet

NOV-7(VHD)

saddlepoint.duckdns.org:25045

Mutex

q0qeiwx9cj

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
1316	FVEo.exe
1748	FVEo.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 1820 set thread context of 2744	1820	6002845UDOOPZE.exe	36
PID 1316 set thread context of 2688	1316	FVEo.exe	45
PID 1748 set thread context of 560	1748	FVEo.exe	52

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	cmd.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
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	FVEo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6002845UDOOPZE.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	FVEo.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2824	schtasks.exe
3068	schtasks.exe
2432	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	vbc.exe
Token: SeDebugPrivilege	2688	vbc.exe
Token: SeDebugPrivilege	560	vbc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2920	1820	6002845UDOOPZE.exe	31
PID 1820 wrote to memory of 2920	1820	6002845UDOOPZE.exe	31
PID 1820 wrote to memory of 2920	1820	6002845UDOOPZE.exe	31
PID 1820 wrote to memory of 2920	1820	6002845UDOOPZE.exe	31
PID 2920 wrote to memory of 2824	2920	cmd.exe	33
PID 2920 wrote to memory of 2824	2920	cmd.exe	33
PID 2920 wrote to memory of 2824	2920	cmd.exe	33
PID 2920 wrote to memory of 2824	2920	cmd.exe	33
PID 1820 wrote to memory of 2784	1820	6002845UDOOPZE.exe	34
PID 1820 wrote to memory of 2784	1820	6002845UDOOPZE.exe	34
PID 1820 wrote to memory of 2784	1820	6002845UDOOPZE.exe	34
PID 1820 wrote to memory of 2784	1820	6002845UDOOPZE.exe	34
PID 1820 wrote to memory of 2744	1820	6002845UDOOPZE.exe	36
PID 1820 wrote to memory of 2744	1820	6002845UDOOPZE.exe	36
PID 1820 wrote to memory of 2744	1820	6002845UDOOPZE.exe	36
PID 1820 wrote to memory of 2744	1820	6002845UDOOPZE.exe	36
PID 1820 wrote to memory of 2744	1820	6002845UDOOPZE.exe	36
PID 1820 wrote to memory of 2744	1820	6002845UDOOPZE.exe	36
PID 1820 wrote to memory of 2744	1820	6002845UDOOPZE.exe	36
PID 1820 wrote to memory of 2744	1820	6002845UDOOPZE.exe	36
PID 1820 wrote to memory of 2744	1820	6002845UDOOPZE.exe	36
PID 2684 wrote to memory of 1316	2684	taskeng.exe	39
PID 2684 wrote to memory of 1316	2684	taskeng.exe	39
PID 2684 wrote to memory of 1316	2684	taskeng.exe	39
PID 2684 wrote to memory of 1316	2684	taskeng.exe	39
PID 1316 wrote to memory of 2996	1316	FVEo.exe	40
PID 1316 wrote to memory of 2996	1316	FVEo.exe	40
PID 1316 wrote to memory of 2996	1316	FVEo.exe	40
PID 1316 wrote to memory of 2996	1316	FVEo.exe	40
PID 1316 wrote to memory of 2992	1316	FVEo.exe	42
PID 1316 wrote to memory of 2992	1316	FVEo.exe	42
PID 1316 wrote to memory of 2992	1316	FVEo.exe	42
PID 1316 wrote to memory of 2992	1316	FVEo.exe	42
PID 2996 wrote to memory of 3068	2996	cmd.exe	43
PID 2996 wrote to memory of 3068	2996	cmd.exe	43
PID 2996 wrote to memory of 3068	2996	cmd.exe	43
PID 2996 wrote to memory of 3068	2996	cmd.exe	43
PID 1316 wrote to memory of 2688	1316	FVEo.exe	45
PID 1316 wrote to memory of 2688	1316	FVEo.exe	45
PID 1316 wrote to memory of 2688	1316	FVEo.exe	45
PID 1316 wrote to memory of 2688	1316	FVEo.exe	45
PID 1316 wrote to memory of 2688	1316	FVEo.exe	45
PID 1316 wrote to memory of 2688	1316	FVEo.exe	45
PID 1316 wrote to memory of 2688	1316	FVEo.exe	45
PID 1316 wrote to memory of 2688	1316	FVEo.exe	45
PID 1316 wrote to memory of 2688	1316	FVEo.exe	45
PID 2684 wrote to memory of 1748	2684	taskeng.exe	46
PID 2684 wrote to memory of 1748	2684	taskeng.exe	46
PID 2684 wrote to memory of 1748	2684	taskeng.exe	46
PID 2684 wrote to memory of 1748	2684	taskeng.exe	46
PID 1748 wrote to memory of 1052	1748	FVEo.exe	47
PID 1748 wrote to memory of 1052	1748	FVEo.exe	47
PID 1748 wrote to memory of 1052	1748	FVEo.exe	47
PID 1748 wrote to memory of 1052	1748	FVEo.exe	47
PID 1748 wrote to memory of 1620	1748	FVEo.exe	49
PID 1748 wrote to memory of 1620	1748	FVEo.exe	49
PID 1748 wrote to memory of 1620	1748	FVEo.exe	49
PID 1748 wrote to memory of 1620	1748	FVEo.exe	49
PID 1052 wrote to memory of 2432	1052	cmd.exe	50
PID 1052 wrote to memory of 2432	1052	cmd.exe	50
PID 1052 wrote to memory of 2432	1052	cmd.exe	50
PID 1052 wrote to memory of 2432	1052	cmd.exe	50
PID 1748 wrote to memory of 560	1748	FVEo.exe	52
PID 1748 wrote to memory of 560	1748	FVEo.exe	52

C:\Users\Admin\AppData\Local\Temp\6002845UDOOPZE.exe
"C:\Users\Admin\AppData\Local\Temp\6002845UDOOPZE.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Local\Temp\FVEo.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Local\Temp\FVEo.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2824
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\6002845UDOOPZE.exe" "C:\Users\Admin\AppData\Local\Temp\FVEo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2784
- 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:2744

C:\Windows\system32\taskeng.exe
taskeng.exe {70C6E942-B981-4A9A-9EA1-20D3C5A4CC55} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Users\Admin\AppData\Local\Temp\FVEo.exe
  C:\Users\Admin\AppData\Local\Temp\FVEo.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1316
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Local\Temp\FVEo.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2996
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Local\Temp\FVEo.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3068
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\FVEo.exe" "C:\Users\Admin\AppData\Local\Temp\FVEo.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2992
- - 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:2688
- C:\Users\Admin\AppData\Local\Temp\FVEo.exe
  C:\Users\Admin\AppData\Local\Temp\FVEo.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Local\Temp\FVEo.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1052
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Local\Temp\FVEo.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2432
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\FVEo.exe" "C:\Users\Admin\AppData\Local\Temp\FVEo.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1620
- - 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:560

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/560-43-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1316-20-0x00000000011E0000-0x0000000001208000-memory.dmp

Filesize
160KB

Download
memory/1820-17-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/1820-1-0x0000000000010000-0x0000000000038000-memory.dmp

Filesize
160KB

Download
memory/1820-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/1820-3-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/1820-4-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/1820-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2688-29-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-9-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2744-16-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2744-14-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2744-7-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2744-8-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2744-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2744-11-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads