asyncrat | 3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43

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
05/08/2026, 12:15

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General

Target
3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
Size 45KB
Sample260805-pezhasfl7y
SHA256 3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43
MD5 c7218a7b51cbfe1ff7a6bd48e55b9085
SHA1 3a39af20f3d613b18346491467426599c2cad752
SHA512 368997594fb47882274fec557ce7330774cdfaa11eaee415fa4590c46cce19acd893faef222092f285497ce43561c95442c7a6f8dad8004d16331d09c872aa6a
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1swZQBKkPIMzjbzgX3ixr9iuTVOBDZUx:cu6YepTPso20bM3bsXSd9rTqdUx
TLSH
T1DD231A003BD8813AF2BE5BB8ACF26145867EF6637603D54D6CC411DB5623BC68A426FD
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

xcavengon.click:80
xcavengon.click:22
xcavengon.click:8080
xcavengon.click:8880
xcavengon.click:2052
xcavengon.click:2082
xcavengon.click:2086
xcavengon.click:2095
xcavengon.click:443
xcavengon.click:2053
xcavengon.click:2083
xcavengon.click:2087
xcavengon.click:2096
xcavengon.click:8443
www.xcavengon.click:80
www.xcavengon.click:22
www.xcavengon.click:8080
www.xcavengon.click:8880
www.xcavengon.click:2052
www.xcavengon.click:2082
www.xcavengon.click:2086
www.xcavengon.click:2095
www.xcavengon.click:443
www.xcavengon.click:2053
www.xcavengon.click:2083
www.xcavengon.click:2087
www.xcavengon.click:2096
www.xcavengon.click:8443
sodinokibi.xcavengon.click:80
sodinokibi.xcavengon.click:22
sodinokibi.xcavengon.click:8080
sodinokibi.xcavengon.click:8880
sodinokibi.xcavengon.click:2052
sodinokibi.xcavengon.click:2082
sodinokibi.xcavengon.click:2086
sodinokibi.xcavengon.click:2095
sodinokibi.xcavengon.click:443
sodinokibi.xcavengon.click:2053
sodinokibi.xcavengon.click:2083
sodinokibi.xcavengon.click:2087
sodinokibi.xcavengon.click:2096
sodinokibi.xcavengon.click:8443
sobig.xcavengon.click:80
sobig.xcavengon.click:22
sobig.xcavengon.click:8080
sobig.xcavengon.click:8880
sobig.xcavengon.click:2052
sobig.xcavengon.click:2082
sobig.xcavengon.click:2086
sobig.xcavengon.click:2095
sobig.xcavengon.click:443
sobig.xcavengon.click:2053
sobig.xcavengon.click:2083
sobig.xcavengon.click:2087
sobig.xcavengon.click:2096
sobig.xcavengon.click:8443
emotet.xcavengon.click:80
emotet.xcavengon.click:22
emotet.xcavengon.click:8080
emotet.xcavengon.click:8880
emotet.xcavengon.click:2052
emotet.xcavengon.click:2082
emotet.xcavengon.click:2086
emotet.xcavengon.click:2095
emotet.xcavengon.click:443
emotet.xcavengon.click:2053
emotet.xcavengon.click:2083
emotet.xcavengon.click:2087
emotet.xcavengon.click:2096
emotet.xcavengon.click:8443

Mutex

VQJURvwKCMMR

Attributes

delay
0
install
true
install_file
iccgejk1.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/0x000d00000001c5c9-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
948	iccgejk1.exe
3924	iccgejk1.exe

Outbound SSH connection to public host 2 TTPs 2 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	13	104.21.10.8:22
SSH destination	14	172.67.189.217:22

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
6016	cmd.exe
1236	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iccgejk1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iccgejk1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1396	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
4120	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
Token: SeDebugPrivilege	948	iccgejk1.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 6016	2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe	89
PID 2440 wrote to memory of 1236	2440	3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe	90
PID 6016 wrote to memory of 4120	6016	cmd.exe	93
PID 1236 wrote to memory of 1396	1236	cmd.exe	94
PID 1236 wrote to memory of 3924	1236	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe
"C:\Users\Admin\AppData\Local\Temp\3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "iccgejk1" /tr '"C:\Users\Admin\AppData\Roaming\iccgejk1.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6016
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "iccgejk1" /tr '"C:\Users\Admin\AppData\Roaming\iccgejk1.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4120
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp478E.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1236
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1396
- - C:\Users\Admin\AppData\Roaming\iccgejk1.exe
    "C:\Users\Admin\AppData\Roaming\iccgejk1.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3924

C:\Users\Admin\AppData\Roaming\iccgejk1.exe
"C:\Users\Admin\AppData\Roaming\iccgejk1.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:948

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

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Downloads

tmp478E.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp478E.tmp.bat
Size 152B
SHA256 0fb05c788caad06b1559732f3233621ac5c3606a8f831286e7e8e121767efcff
MD5 12f06d40fb7c9819a045b22a9be26f30
SHA1 a23174d3a409c79dbba2c9c7ed068be3ef988220
SHA512 2c00fb4a323d34be6f31e7ad78b978f09e0119ebacdfa76b8f9f833066afd1cf944e6898ff69b0c1c2ca5358bd1da788ff42f15fef4bbe88b3bb50784b201cfd
TLSH
T14AC08C5291C9AA5E6805345302FA998D956268993E40AB00830444492680489E0EB241
MD5 SHA1 SHA512 TLSH

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iccgejk1.exe

Path C:\Users\Admin\AppData\Roaming\iccgejk1.exe
Size 45KB
SHA256 3fd0a22a57ad0c0e08acb3d04d0998c0c7ab5b98d02adfcc9deeaeed0a1d3d43
MD5 c7218a7b51cbfe1ff7a6bd48e55b9085
SHA1 3a39af20f3d613b18346491467426599c2cad752
SHA512 368997594fb47882274fec557ce7330774cdfaa11eaee415fa4590c46cce19acd893faef222092f285497ce43561c95442c7a6f8dad8004d16331d09c872aa6a
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1swZQBKkPIMzjbzgX3ixr9iuTVOBDZUx:cu6YepTPso20bM3bsXSd9rTqdUx
TLSH
T1DD231A003BD8813AF2BE5BB8ACF26145867EF6637603D54D6CC411DB5623BC68A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/948-12-0x00000000746F0000-0x0000000074EAC000-memory.dmp

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memory/948-14-0x00000000746F0000-0x0000000074EAC000-memory.dmp

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memory/2440-0-0x0000000074872000-0x0000000074873000-memory.dmp

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memory/2440-1-0x00000000007B0000-0x00000000007C2000-memory.dmp

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memory/2440-2-0x0000000074860000-0x000000007501C000-memory.dmp

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memory/2440-3-0x00000000051C0000-0x000000000525C000-memory.dmp

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memory/2440-8-0x0000000074860000-0x000000007501C000-memory.dmp

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