asyncrat | ab9c7560ca7b9d1f5969701bf497090d5fa95ae6373da5591dac202db9ce34af

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 03:13

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General

Target

RV07QAROPHDFSRE_001_PDF_clean.exe
Size

126KB
MD5

8dc1c167f8f69381b9c97e2959f0d531
SHA1

a44d3def5a60ea19b2d5cc2dc89aca74c9c666c0
SHA256

ae3b4897a288a41ec73e1a6b94ce89b982a35e4ee754208e035877ed27ad17a8
SHA512

d61cd8bed549b69cdebbb26d0cfc26525165755b49d731e0268b293f8dfa99cc78f6a80897fd8db4b180b77ffb03501091f5dbd0811e11a639d74f59a97c323c
SSDEEP

3072:2JBH+suK5LqfcddhnOdzzW+49vdtJFu4Kis:TsugmO4xYFunis

Score

10^/10

asyncrat venom clients discovery rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT 5.0.5

Botnet

Venom Clients

toff7857.duckdns.org:8890

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
4836	redqo.exe
1760	redqo.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5084 set thread context of 4372	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	95
PID 4836 set thread context of 4728	4836	redqo.exe	103

System Location Discovery: System Language Discovery 1 TTPs 11 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	redqo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	redqo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RV07QAROPHDFSRE_001_PDF_clean.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	vbc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1480	schtasks.exe
1872	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4372	vbc.exe
Token: SeDebugPrivilege	4728	vbc.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 3820	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	90
PID 5084 wrote to memory of 3820	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	90
PID 5084 wrote to memory of 3820	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	90
PID 3820 wrote to memory of 1480	3820	cmd.exe	92
PID 3820 wrote to memory of 1480	3820	cmd.exe	92
PID 3820 wrote to memory of 1480	3820	cmd.exe	92
PID 5084 wrote to memory of 4324	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	93
PID 5084 wrote to memory of 4324	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	93
PID 5084 wrote to memory of 4324	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	93
PID 5084 wrote to memory of 4372	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	95
PID 5084 wrote to memory of 4372	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	95
PID 5084 wrote to memory of 4372	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	95
PID 5084 wrote to memory of 4372	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	95
PID 5084 wrote to memory of 4372	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	95
PID 5084 wrote to memory of 4372	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	95
PID 5084 wrote to memory of 4372	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	95
PID 5084 wrote to memory of 4372	5084	RV07QAROPHDFSRE_001_PDF_clean.exe	95
PID 4836 wrote to memory of 5028	4836	redqo.exe	98
PID 4836 wrote to memory of 5028	4836	redqo.exe	98
PID 4836 wrote to memory of 5028	4836	redqo.exe	98
PID 4836 wrote to memory of 736	4836	redqo.exe	100
PID 4836 wrote to memory of 736	4836	redqo.exe	100
PID 4836 wrote to memory of 736	4836	redqo.exe	100
PID 5028 wrote to memory of 1872	5028	cmd.exe	102
PID 5028 wrote to memory of 1872	5028	cmd.exe	102
PID 5028 wrote to memory of 1872	5028	cmd.exe	102
PID 4836 wrote to memory of 4728	4836	redqo.exe	103
PID 4836 wrote to memory of 4728	4836	redqo.exe	103
PID 4836 wrote to memory of 4728	4836	redqo.exe	103
PID 4836 wrote to memory of 4728	4836	redqo.exe	103
PID 4836 wrote to memory of 4728	4836	redqo.exe	103
PID 4836 wrote to memory of 4728	4836	redqo.exe	103
PID 4836 wrote to memory of 4728	4836	redqo.exe	103
PID 4836 wrote to memory of 4728	4836	redqo.exe	103

C:\Users\Admin\AppData\Local\Temp\RV07QAROPHDFSRE_001_PDF_clean.exe
"C:\Users\Admin\AppData\Local\Temp\RV07QAROPHDFSRE_001_PDF_clean.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\redqo.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3820
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\redqo.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1480
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\RV07QAROPHDFSRE_001_PDF_clean.exe" "C:\Users\Admin\AppData\Roaming\redqo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4324
- 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:4372

C:\Users\Admin\AppData\Roaming\redqo.exe
C:\Users\Admin\AppData\Roaming\redqo.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\redqo.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5028
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\redqo.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1872
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Roaming\redqo.exe" "C:\Users\Admin\AppData\Roaming\redqo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:736
- 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:4728

C:\Users\Admin\AppData\Roaming\redqo.exe
C:\Users\Admin\AppData\Roaming\redqo.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1760

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

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

Filesize
612B

MD5
ca95b0db0b212857216268544c58e741

SHA1
5c2fd4ee1dc02d9412a19454562129f97bf930b5

SHA256
bdcf4429adc6ee689394b8ea1628e98bac4d0b7f8d735e5bf9e96218a41cd6f0

SHA512
c3d83412ec5c6dd7398c7ec0ae73838eed3f9e6e539771066378d74479092bc18f73deac581c3e5f053487eef1ae432a565eec2aa706c7ddf16d5855cb0e70bb

Download Submit
C:\Users\Admin\AppData\Roaming\redqo.exe

Filesize
126KB

MD5
8dc1c167f8f69381b9c97e2959f0d531

SHA1
a44d3def5a60ea19b2d5cc2dc89aca74c9c666c0

SHA256
ae3b4897a288a41ec73e1a6b94ce89b982a35e4ee754208e035877ed27ad17a8

SHA512
d61cd8bed549b69cdebbb26d0cfc26525165755b49d731e0268b293f8dfa99cc78f6a80897fd8db4b180b77ffb03501091f5dbd0811e11a639d74f59a97c323c

Download Submit
memory/4372-10-0x0000000000700000-0x0000000000716000-memory.dmp

Filesize
88KB

Download
memory/4372-16-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/4372-15-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/4372-14-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/4372-11-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/5084-6-0x0000000005F10000-0x00000000064B4000-memory.dmp

Filesize
5.6MB

Download
memory/5084-0-0x000000007527E000-0x000000007527F000-memory.dmp

Filesize
4KB

Download
memory/5084-13-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/5084-5-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/5084-4-0x000000007527E000-0x000000007527F000-memory.dmp

Filesize
4KB

Download
memory/5084-3-0x0000000005680000-0x00000000056E6000-memory.dmp

Filesize
408KB

Download
memory/5084-2-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/5084-1-0x0000000000DB0000-0x0000000000DD4000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads