asyncrat | e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8

Analysis

max time kernel
6s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 15:48

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
Size 45KB
Sample260816-s87mjsec76
SHA256 e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8
MD5 920dfa77476d524793a38ca54f058916
SHA1 3774535e60baadc892d3a0549eb1815cfd24f122
SHA512 a3be13555fbe78a55dce9d8a5d2438f05d438a543bb015c6475c6bf3cbbc4759ed55d6e755bccdd4f9cf272a3ba0b57737537da3d0f43f39837706082f8a4b84
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2ql43Fo9EaOPIJzjbkgX3iPAn32wu+//3lBDZMx:wuDWZTpMZSB2J8Ea3J3brXSP+ru+/TdO
TLSH
T1E4232A003BE8822BF2BE4F78ADF25145867AE5733603D5491CC451DB5613FC69A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

ads.zorvec.name:80
ads.zorvec.name:22
ads.zorvec.name:8080
ads.zorvec.name:8880
ads.zorvec.name:2052
ads.zorvec.name:2082
ads.zorvec.name:2086
ads.zorvec.name:2095
ads.zorvec.name:443
ads.zorvec.name:2053
ads.zorvec.name:2083
ads.zorvec.name:2087
ads.zorvec.name:2096
ads.zorvec.name:8443
www.ads.zorvec.name:80
www.ads.zorvec.name:22
www.ads.zorvec.name:8080
www.ads.zorvec.name:8880
www.ads.zorvec.name:2052
www.ads.zorvec.name:2082
www.ads.zorvec.name:2086
www.ads.zorvec.name:2095
www.ads.zorvec.name:443
www.ads.zorvec.name:2053
www.ads.zorvec.name:2083
www.ads.zorvec.name:2087
www.ads.zorvec.name:2096
www.ads.zorvec.name:8443
mydoom.ads.zorvec.name:80
mydoom.ads.zorvec.name:22
mydoom.ads.zorvec.name:8080
mydoom.ads.zorvec.name:8880
mydoom.ads.zorvec.name:2052
mydoom.ads.zorvec.name:2082
mydoom.ads.zorvec.name:2086
mydoom.ads.zorvec.name:2095
mydoom.ads.zorvec.name:443
mydoom.ads.zorvec.name:2053
mydoom.ads.zorvec.name:2083
mydoom.ads.zorvec.name:2087
mydoom.ads.zorvec.name:2096
mydoom.ads.zorvec.name:8443
clop.ads.zorvec.name:80
clop.ads.zorvec.name:22
clop.ads.zorvec.name:8080
clop.ads.zorvec.name:8880
clop.ads.zorvec.name:2052
clop.ads.zorvec.name:2082
clop.ads.zorvec.name:2086
clop.ads.zorvec.name:2095
clop.ads.zorvec.name:443
clop.ads.zorvec.name:2053
clop.ads.zorvec.name:2083
clop.ads.zorvec.name:2087
clop.ads.zorvec.name:2096
clop.ads.zorvec.name:8443

Mutex

6LCQPrYlQEGG

Attributes

delay
0
install
true
install_file
jfaf3.exe
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x002400000001c2fc-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3400	jfaf3.exe
3788	jfaf3.exe

Outbound SSH connection to public host 2 TTPs 4 IoCs

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

command_and_control

Protocol Tunneling

T1572

Network Service Discovery

T1046

description	flow	ioc
SSH destination	6	172.67.144.58:22
SSH destination	7	104.21.28.44:22
SSH destination	11	172.67.144.58:22
SSH destination	12	104.21.28.44:22

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3216	cmd.exe
1280	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	jfaf3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jfaf3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.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	timeout.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2368	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3452	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
Token: SeDebugPrivilege	3400	jfaf3.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5460 wrote to memory of 3216	5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe	89
PID 5460 wrote to memory of 1280	5460	e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe	91
PID 3216 wrote to memory of 3452	3216	cmd.exe	93
PID 1280 wrote to memory of 2368	1280	cmd.exe	94
PID 1280 wrote to memory of 3788	1280	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe
"C:\Users\Admin\AppData\Local\Temp\e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "jfaf3" /tr '"C:\Users\Admin\AppData\Roaming\jfaf3.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3216
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "jfaf3" /tr '"C:\Users\Admin\AppData\Roaming\jfaf3.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3452
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE9C.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1280
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2368
- - C:\Users\Admin\AppData\Roaming\jfaf3.exe
    "C:\Users\Admin\AppData\Roaming\jfaf3.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3788

C:\Users\Admin\AppData\Roaming\jfaf3.exe
"C:\Users\Admin\AppData\Roaming\jfaf3.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3400

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

Network Service Discovery

T1046

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

T1572

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

tmpE9C.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpE9C.tmp.bat
Size 148B
SHA256 73ee059f05918ee140528cc31dff8c64f7e505474db3b258f1fbcb8aaf631c8a
MD5 fcb47fd1d9bdeb141705a1390ffe181d
SHA1 b12204000953deff0239aefc8ac565a5bd686cfe
SHA512 0cfc7bfb7af867e356703708d8e1c4d450be3bbd0eabfa8b05c537bbd115a809554a8d8ffda48b12c611f50324512028dde781f4d12909a7f0012eabd75527ea
TLSH
T18BC02B5355C6EA0E3C46741302FAD58C91726C6D3F44FB04C744C84D52C184DF4DA341
MD5 SHA1 SHA512 TLSH

Submit Download

jfaf3.exe

Path C:\Users\Admin\AppData\Roaming\jfaf3.exe
Size 45KB
SHA256 e5fcbb244c1603e8c0458517bf888155d7e07f988842a40101e9df5ae78802e8
MD5 920dfa77476d524793a38ca54f058916
SHA1 3774535e60baadc892d3a0549eb1815cfd24f122
SHA512 a3be13555fbe78a55dce9d8a5d2438f05d438a543bb015c6475c6bf3cbbc4759ed55d6e755bccdd4f9cf272a3ba0b57737537da3d0f43f39837706082f8a4b84
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2ql43Fo9EaOPIJzjbkgX3iPAn32wu+//3lBDZMx:wuDWZTpMZSB2J8Ea3J3brXSP+ru+/TdO
TLSH
T1E4232A003BE8822BF2BE4F78ADF25145867AE5733603D5491CC451DB5613FC69A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3400-12-0x00000000744A0000-0x0000000074C5C000-memory.dmp

Download

memory/3400-14-0x00000000744A0000-0x0000000074C5C000-memory.dmp

Download

memory/5460-0-0x00000000744B2000-0x00000000744B3000-memory.dmp

Download

memory/5460-1-0x0000000000C90000-0x0000000000CA2000-memory.dmp

Download

memory/5460-2-0x00000000744A0000-0x0000000074C5C000-memory.dmp

Download

memory/5460-3-0x00000000058C0000-0x000000000595C000-memory.dmp

Download

memory/5460-9-0x00000000744A0000-0x0000000074C5C000-memory.dmp

Download