asyncrat | cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf

Analysis

max time kernel
6s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/07/2026, 08:19

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
Size 45KB
Sample260722-j8cmqsce64
SHA256 cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf
MD5 5b79fa267a77dc17768114b8f975eeb5
SHA1 6d0941812e3d12cc5e3a71e0d7527bf6bbca049d
SHA512 bb3f0e5a719f0734beaa319b9a195b33ae096f610c0d2f5d68d87b8d09c411cc2ee85870a7f08a7f4b2d74bd75feda4dba4d704792cbabe64c93e80ef1b9013b
SSDEEP 768:4uLZZTUAoOSWUYZL8mo2qFVeeXKNopRr8/nPI6nzjbVgX3i2Go/6qpgqHcBDZbx:4uLZZTUTn21eQgRrKA6n3byXS3qendbx
TLSH
T154232B003BD8812BF2BF4F7899F26145867AF2636603D98A1CC451DB5713FC68642AFD
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

sex18.tech:80
sex18.tech:22
sex18.tech:8080
sex18.tech:8880
sex18.tech:2052
sex18.tech:2082
sex18.tech:2086
sex18.tech:2095
sex18.tech:443
sex18.tech:2053
sex18.tech:2083
sex18.tech:2087
sex18.tech:2096
sex18.tech:8443
www.sex18.tech:80
www.sex18.tech:22
www.sex18.tech:8080
www.sex18.tech:8880
www.sex18.tech:2052
www.sex18.tech:2082
www.sex18.tech:2086
www.sex18.tech:2095
www.sex18.tech:443
www.sex18.tech:2053
www.sex18.tech:2083
www.sex18.tech:2087
www.sex18.tech:2096
www.sex18.tech:8443
emotet.sex18.tech:80
emotet.sex18.tech:22
emotet.sex18.tech:8080
emotet.sex18.tech:8880
emotet.sex18.tech:2052
emotet.sex18.tech:2082
emotet.sex18.tech:2086
emotet.sex18.tech:2095
emotet.sex18.tech:443
emotet.sex18.tech:2053
emotet.sex18.tech:2083
emotet.sex18.tech:2087
emotet.sex18.tech:2096
emotet.sex18.tech:8443
lokibot.sex18.tech:80
lokibot.sex18.tech:22
lokibot.sex18.tech:8080
lokibot.sex18.tech:8880
lokibot.sex18.tech:2052
lokibot.sex18.tech:2082
lokibot.sex18.tech:2086
lokibot.sex18.tech:2095
lokibot.sex18.tech:443
lokibot.sex18.tech:2053
lokibot.sex18.tech:2083
lokibot.sex18.tech:2087
lokibot.sex18.tech:2096
lokibot.sex18.tech:8443

Mutex

RgnzWq5BNYiJ

Attributes

delay
0
install
true
install_file
9yjwt.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/0x000d00000001c5df-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2544	9yjwt.exe
3428	9yjwt.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
5708	cmd.exe
3340	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9yjwt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9yjwt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1364	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
2456	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
Token: SeDebugPrivilege	2544	9yjwt.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3452 wrote to memory of 3340	3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe	89
PID 3452 wrote to memory of 5708	3452	cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe	90
PID 5708 wrote to memory of 1364	5708	cmd.exe	93
PID 3340 wrote to memory of 2456	3340	cmd.exe	94
PID 5708 wrote to memory of 3428	5708	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe
"C:\Users\Admin\AppData\Local\Temp\cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "9yjwt" /tr '"C:\Users\Admin\AppData\Roaming\9yjwt.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3340
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "9yjwt" /tr '"C:\Users\Admin\AppData\Roaming\9yjwt.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2456
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6E21.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5708
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1364
- - C:\Users\Admin\AppData\Roaming\9yjwt.exe
    "C:\Users\Admin\AppData\Roaming\9yjwt.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3428

C:\Users\Admin\AppData\Roaming\9yjwt.exe
"C:\Users\Admin\AppData\Roaming\9yjwt.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2544

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

Loading Replay Monitor...

Downloads

tmp6E21.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6E21.tmp.bat
Size 149B
SHA256 83d66f349821b981297346950d73211bc6ec3dee0f276f956f54ecf8f9e49448
MD5 a2632a772a25352141fc47fbe3d6f331
SHA1 eaa155115549fc2fb6d9e28f7320ffe2a432b3a1
SHA512 d68b29fa101c2092c5c17ae1290af3e37a658a4d48ff3b2de645bd9a720652e9d54c195a4ceae9bf6fc60d41312a6250bf6796b2fc4b153356eb7ab892da5e82
TLSH
T16EC02B6391C5EA1F6805185312FBE98C91737D1D3F40BB90C705400D638085CF0DA342
MD5 SHA1 SHA512 TLSH

Submit Download

9yjwt.exe

Path C:\Users\Admin\AppData\Roaming\9yjwt.exe
Size 45KB
SHA256 cfa08ce1445e14cbb50def89d37b58062b60e7a85fe01ae37f1273c42b093bbf
MD5 5b79fa267a77dc17768114b8f975eeb5
SHA1 6d0941812e3d12cc5e3a71e0d7527bf6bbca049d
SHA512 bb3f0e5a719f0734beaa319b9a195b33ae096f610c0d2f5d68d87b8d09c411cc2ee85870a7f08a7f4b2d74bd75feda4dba4d704792cbabe64c93e80ef1b9013b
SSDEEP 768:4uLZZTUAoOSWUYZL8mo2qFVeeXKNopRr8/nPI6nzjbVgX3i2Go/6qpgqHcBDZbx:4uLZZTUTn21eQgRrKA6n3byXS3qendbx
TLSH
T154232B003BD8812BF2BF4F7899F26145867AF2636603D98A1CC451DB5713FC68642AFD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2544-12-0x0000000074820000-0x0000000074FDC000-memory.dmp

Download

memory/2544-14-0x0000000074820000-0x0000000074FDC000-memory.dmp

Download

memory/3452-0-0x0000000074832000-0x0000000074833000-memory.dmp

Download

memory/3452-1-0x0000000000700000-0x0000000000712000-memory.dmp

Download

memory/3452-2-0x0000000074820000-0x0000000074FDC000-memory.dmp

Download

memory/3452-3-0x00000000050E0000-0x000000000517C000-memory.dmp

Download

memory/3452-9-0x0000000074820000-0x0000000074FDC000-memory.dmp

Download