asyncrat | 9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997

Analysis

max time kernel
149s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 20:59

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General

Target

JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe
Size

300.0MB
MD5

09d3660e122050f7daeef7650eaf4d5f
SHA1

485b17fdead4fd0917266739f905593d8d82bb43
SHA256

9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997
SHA512

a6d83a17d34c3050e957bb4f9d0d672b0ea9c129377e0ed0409a75f8d73cb4ad7368f076a5b303805a6a734e3ad6098003b570de60702ef498d62880382452ec
SSDEEP

3145728:ex1MFn6eC4YVC4m5oih6p7UUUUUMMTeD9GGtg:Gm5osTj5

Score

10^/10

asyncrat feb-25-fri discovery rat

Malware Config

Extracted

Family

asyncrat

Version

VenomRAT 5.0.3

Botnet

FEB-25-FRI

feb23-pandor.duckdns.org:25045

Mutex

we4320fmef

Attributes

delay
0
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
1380	filera.exe
848	filera.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2268 set thread context of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 1380 set thread context of 1920	1380	filera.exe	44
PID 848 set thread context of 900	848	filera.exe	49

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	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	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	filera.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	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	filera.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2728	schtasks.exe
1608	schtasks.exe
1580	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	RegAsm.exe
Token: SeDebugPrivilege	1920	RegAsm.exe
Token: SeDebugPrivilege	900	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2852	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	31
PID 2268 wrote to memory of 2852	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	31
PID 2268 wrote to memory of 2852	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	31
PID 2268 wrote to memory of 2852	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	31
PID 2268 wrote to memory of 2740	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	33
PID 2268 wrote to memory of 2740	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	33
PID 2268 wrote to memory of 2740	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	33
PID 2268 wrote to memory of 2740	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	33
PID 2852 wrote to memory of 2728	2852	cmd.exe	35
PID 2852 wrote to memory of 2728	2852	cmd.exe	35
PID 2852 wrote to memory of 2728	2852	cmd.exe	35
PID 2852 wrote to memory of 2728	2852	cmd.exe	35
PID 2268 wrote to memory of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 2268 wrote to memory of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 2268 wrote to memory of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 2268 wrote to memory of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 2268 wrote to memory of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 2268 wrote to memory of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 2268 wrote to memory of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 2268 wrote to memory of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 2268 wrote to memory of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 2268 wrote to memory of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 2268 wrote to memory of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 2268 wrote to memory of 2884	2268	JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe	36
PID 972 wrote to memory of 1380	972	taskeng.exe	38
PID 972 wrote to memory of 1380	972	taskeng.exe	38
PID 972 wrote to memory of 1380	972	taskeng.exe	38
PID 972 wrote to memory of 1380	972	taskeng.exe	38
PID 1380 wrote to memory of 1432	1380	filera.exe	39
PID 1380 wrote to memory of 1432	1380	filera.exe	39
PID 1380 wrote to memory of 1432	1380	filera.exe	39
PID 1380 wrote to memory of 1432	1380	filera.exe	39
PID 1380 wrote to memory of 1008	1380	filera.exe	41
PID 1380 wrote to memory of 1008	1380	filera.exe	41
PID 1380 wrote to memory of 1008	1380	filera.exe	41
PID 1380 wrote to memory of 1008	1380	filera.exe	41
PID 1432 wrote to memory of 1608	1432	cmd.exe	43
PID 1432 wrote to memory of 1608	1432	cmd.exe	43
PID 1432 wrote to memory of 1608	1432	cmd.exe	43
PID 1432 wrote to memory of 1608	1432	cmd.exe	43
PID 1380 wrote to memory of 1920	1380	filera.exe	44
PID 1380 wrote to memory of 1920	1380	filera.exe	44
PID 1380 wrote to memory of 1920	1380	filera.exe	44
PID 1380 wrote to memory of 1920	1380	filera.exe	44
PID 1380 wrote to memory of 1920	1380	filera.exe	44
PID 1380 wrote to memory of 1920	1380	filera.exe	44
PID 1380 wrote to memory of 1920	1380	filera.exe	44
PID 1380 wrote to memory of 1920	1380	filera.exe	44
PID 1380 wrote to memory of 1920	1380	filera.exe	44
PID 1380 wrote to memory of 1920	1380	filera.exe	44
PID 1380 wrote to memory of 1920	1380	filera.exe	44
PID 1380 wrote to memory of 1920	1380	filera.exe	44
PID 972 wrote to memory of 848	972	taskeng.exe	45
PID 972 wrote to memory of 848	972	taskeng.exe	45
PID 972 wrote to memory of 848	972	taskeng.exe	45
PID 972 wrote to memory of 848	972	taskeng.exe	45
PID 848 wrote to memory of 2932	848	filera.exe	46
PID 848 wrote to memory of 2932	848	filera.exe	46
PID 848 wrote to memory of 2932	848	filera.exe	46
PID 848 wrote to memory of 2932	848	filera.exe	46
PID 848 wrote to memory of 1768	848	filera.exe	47
PID 848 wrote to memory of 1768	848	filera.exe	47
PID 848 wrote to memory of 1768	848	filera.exe	47
PID 848 wrote to memory of 1768	848	filera.exe	47

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nadnasia" /tr "'C:\Users\Admin\AppData\Roaming\filera.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nadnasia" /tr "'C:\Users\Admin\AppData\Roaming\filera.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2728
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a108a80f5b5b3894ff5fdd573b626fdce87e467814c769382b8d9ab6c7d6997.exe" "C:\Users\Admin\AppData\Roaming\filera.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2740
- 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:2884

C:\Windows\system32\taskeng.exe
taskeng.exe {2BDD05C3-E555-4A11-A6C6-7EFAD18B1B06} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:972
- C:\Users\Admin\AppData\Roaming\filera.exe
  C:\Users\Admin\AppData\Roaming\filera.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1380
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nadnasia" /tr "'C:\Users\Admin\AppData\Roaming\filera.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1432
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nadnasia" /tr "'C:\Users\Admin\AppData\Roaming\filera.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1608
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\filera.exe" "C:\Users\Admin\AppData\Roaming\filera.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1008
- - 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:1920
- C:\Users\Admin\AppData\Roaming\filera.exe
  C:\Users\Admin\AppData\Roaming\filera.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:848
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nadnasia" /tr "'C:\Users\Admin\AppData\Roaming\filera.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2932
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nadnasia" /tr "'C:\Users\Admin\AppData\Roaming\filera.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1580
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\filera.exe" "C:\Users\Admin\AppData\Roaming\filera.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1768
- - 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:900

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/848-41-0x0000000000C90000-0x0000000000D76000-memory.dmp

Filesize
920KB

Download
memory/1380-26-0x0000000000380000-0x0000000000466000-memory.dmp

Filesize
920KB

Download
memory/1920-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2268-23-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2268-1-0x00000000003F0000-0x00000000004D6000-memory.dmp

Filesize
920KB

Download
memory/2268-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2268-3-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2268-4-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2268-5-0x0000000000850000-0x000000000086A000-memory.dmp

Filesize
104KB

Download
memory/2268-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2884-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2884-20-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2884-18-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2884-22-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2884-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2884-8-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2884-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads