asyncrat | cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/07/2026, 17:44

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General

Target
cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
Size 45KB
Sample260718-wbky3act21
SHA256 cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788
MD5 368590715d9425023e53d4f73cf16a43
SHA1 fd46f2768e525f9691fb9d2e8e26b17174805d01
SHA512 994406b490e7b979100c8934abd24ff573a8899dda53fd0a9d603e4668faa356e516070969255f0f1dda31e13f961668ec07ee3d690cc9ee3aa3bebdb4bb61fb
SSDEEP 768:0uPrpT/LGKeWUszuAmo2q9q9YqPq3hOPIezjbQgX3iMcupY/hCei8iBDZ8x:0uPrpT/qY2Haqq3e3bXXSMccCweivd8x
TLSH
T180232A003BE9C12BF2BF5F7899F26105867AF6632603D6491CC411DB5613FC68A526FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

sexnga.store:80
sexnga.store:22
sexnga.store:8080
sexnga.store:8880
sexnga.store:2052
sexnga.store:2082
sexnga.store:2086
sexnga.store:2095
sexnga.store:443
sexnga.store:2053
sexnga.store:2083
sexnga.store:2087
sexnga.store:2096
sexnga.store:8443
www.sexnga.store:80
www.sexnga.store:22
www.sexnga.store:8080
www.sexnga.store:8880
www.sexnga.store:2052
www.sexnga.store:2082
www.sexnga.store:2086
www.sexnga.store:2095
www.sexnga.store:443
www.sexnga.store:2053
www.sexnga.store:2083
www.sexnga.store:2087
www.sexnga.store:2096
www.sexnga.store:8443
sobig.sexnga.store:80
sobig.sexnga.store:22
sobig.sexnga.store:8080
sobig.sexnga.store:8880
sobig.sexnga.store:2052
sobig.sexnga.store:2082
sobig.sexnga.store:2086
sobig.sexnga.store:2095
sobig.sexnga.store:443
sobig.sexnga.store:2053
sobig.sexnga.store:2083
sobig.sexnga.store:2087
sobig.sexnga.store:2096
sobig.sexnga.store:8443
cryptolocker.sexnga.store:80
cryptolocker.sexnga.store:22
cryptolocker.sexnga.store:8080
cryptolocker.sexnga.store:8880
cryptolocker.sexnga.store:2052
cryptolocker.sexnga.store:2082
cryptolocker.sexnga.store:2086
cryptolocker.sexnga.store:2095
cryptolocker.sexnga.store:443
cryptolocker.sexnga.store:2053
cryptolocker.sexnga.store:2083
cryptolocker.sexnga.store:2087
cryptolocker.sexnga.store:2096
cryptolocker.sexnga.store:8443
mirai.sexnga.store:80
mirai.sexnga.store:22
mirai.sexnga.store:8080
mirai.sexnga.store:8880
mirai.sexnga.store:2052
mirai.sexnga.store:2082
mirai.sexnga.store:2086
mirai.sexnga.store:2095
mirai.sexnga.store:443
mirai.sexnga.store:2053
mirai.sexnga.store:2083
mirai.sexnga.store:2087
mirai.sexnga.store:2096
mirai.sexnga.store:8443

Mutex

AMGGfHPiDcou

Attributes

delay
0
install
true
install_file
kqroh3f.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/0x000e00000001c583-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3268	kqroh3f.exe
2564	kqroh3f.exe

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
5944	cmd.exe
720	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	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kqroh3f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kqroh3f.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5460	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
1280	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
Token: SeDebugPrivilege	3268	kqroh3f.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4384 wrote to memory of 720	4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe	89
PID 4384 wrote to memory of 5944	4384	cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe	90
PID 5944 wrote to memory of 5460	5944	cmd.exe	93
PID 720 wrote to memory of 1280	720	cmd.exe	94
PID 5944 wrote to memory of 2564	5944	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe
"C:\Users\Admin\AppData\Local\Temp\cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "kqroh3f" /tr '"C:\Users\Admin\AppData\Roaming\kqroh3f.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:720
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "kqroh3f" /tr '"C:\Users\Admin\AppData\Roaming\kqroh3f.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1280
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4F10.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5944
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5460
- - C:\Users\Admin\AppData\Roaming\kqroh3f.exe
    "C:\Users\Admin\AppData\Roaming\kqroh3f.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2564

C:\Users\Admin\AppData\Roaming\kqroh3f.exe
"C:\Users\Admin\AppData\Roaming\kqroh3f.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3268

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

tmp4F10.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4F10.tmp.bat
Size 151B
SHA256 df2bfe93f1cd6fba83e4d2dd20267d3a49375211127a553b7e8ef37e9ddb6830
MD5 d2114bdf36d17c988f816f82d551c576
SHA1 16b349db5df15a9d42ca55b8bddc5f114d77070c
SHA512 06726261c2f3288f18e7e8e5b68db8078a1c2fa249e87fdf9759b0e68c4df00026271fb694167588d57c386bdf2cabf118aed654cb9edb563fc7eb5aa0875d4e
TLSH
T16BC02B8251C5EA0E2809745316FBD4ECA1736C5B3F44BB80C308404D1280488F1D9381
MD5 SHA1 SHA512 TLSH

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kqroh3f.exe

Path C:\Users\Admin\AppData\Roaming\kqroh3f.exe
Size 45KB
SHA256 cf157aa0b80e0f45a9bf7c2bb324ec23ea4f545093b0bb9a2cea8b3c90640788
MD5 368590715d9425023e53d4f73cf16a43
SHA1 fd46f2768e525f9691fb9d2e8e26b17174805d01
SHA512 994406b490e7b979100c8934abd24ff573a8899dda53fd0a9d603e4668faa356e516070969255f0f1dda31e13f961668ec07ee3d690cc9ee3aa3bebdb4bb61fb
SSDEEP 768:0uPrpT/LGKeWUszuAmo2q9q9YqPq3hOPIezjbQgX3iMcupY/hCei8iBDZ8x:0uPrpT/qY2Haqq3e3bXXSMccCweivd8x
TLSH
T180232A003BE9C12BF2BF5F7899F26105867AF6632603D6491CC411DB5613FC68A526FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3268-12-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/3268-14-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/4384-0-0x0000000074B92000-0x0000000074B93000-memory.dmp

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memory/4384-1-0x0000000000C90000-0x0000000000CA2000-memory.dmp

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memory/4384-2-0x0000000074B80000-0x000000007533C000-memory.dmp

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memory/4384-3-0x0000000005800000-0x000000000589C000-memory.dmp

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memory/4384-8-0x0000000074B80000-0x000000007533C000-memory.dmp

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