asyncrat | c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f

Analysis

max time kernel
6s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 16:53

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General

Target
c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
Size 45KB
Sample260804-vdz1bsap2s
SHA256 c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f
MD5 17f1b765b14f1d4cd4d1402916d5d053
SHA1 8acf7f6208077d3061c725d7d408392018902790
SHA512 d9e16b3c659610dae98a87caaed37b60850e80291b4d222f73bdbbe02e2f155f8e4cc05efcb60eee767d29e502b3fb932eba11a8a4c6009bd0fe00951dcc0fbe
SSDEEP 768:4uLZZTUAoOSWUYZL8mo2qFIZTohEaSPIZzjbygX3iV2tczcUOubBDZbx:4uLZZTUTn2F4Ea7Z3b1XSgczcXuNdbx
TLSH
T103232B003BE8822BF2BE5F7859F26145867EF1A33603D54D1CC452DB5713BC69A42AFA
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

sex18.me:80
sex18.me:22
sex18.me:8080
sex18.me:8880
sex18.me:2052
sex18.me:2082
sex18.me:2086
sex18.me:2095
sex18.me:443
sex18.me:2053
sex18.me:2083
sex18.me:2087
sex18.me:2096
sex18.me:8443
www.sex18.me:80
www.sex18.me:22
www.sex18.me:8080
www.sex18.me:8880
www.sex18.me:2052
www.sex18.me:2082
www.sex18.me:2086
www.sex18.me:2095
www.sex18.me:443
www.sex18.me:2053
www.sex18.me:2083
www.sex18.me:2087
www.sex18.me:2096
www.sex18.me:8443
conficker.sex18.me:80
conficker.sex18.me:22
conficker.sex18.me:8080
conficker.sex18.me:8880
conficker.sex18.me:2052
conficker.sex18.me:2082
conficker.sex18.me:2086
conficker.sex18.me:2095
conficker.sex18.me:443
conficker.sex18.me:2053
conficker.sex18.me:2083
conficker.sex18.me:2087
conficker.sex18.me:2096
conficker.sex18.me:8443
blacklotus.sex18.me:80
blacklotus.sex18.me:22
blacklotus.sex18.me:8080
blacklotus.sex18.me:8880
blacklotus.sex18.me:2052
blacklotus.sex18.me:2082
blacklotus.sex18.me:2086
blacklotus.sex18.me:2095
blacklotus.sex18.me:443
blacklotus.sex18.me:2053
blacklotus.sex18.me:2083
blacklotus.sex18.me:2087
blacklotus.sex18.me:2096
blacklotus.sex18.me:8443

Mutex

pBFwtB0Aa5Rr

Attributes

delay
0
install
true
install_file
x0qi4.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/0x0005000000016b3f-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2796	x0qi4.exe
3200	x0qi4.exe

Outbound SSH connection to public host 2 TTPs 1 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	10	69.48.229.117:22

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
2256	cmd.exe
4944	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	x0qi4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x0qi4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.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
892	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
4504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
Token: SeDebugPrivilege	2796	x0qi4.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2256	2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe	89
PID 2688 wrote to memory of 4944	2688	c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe	91
PID 2256 wrote to memory of 4504	2256	cmd.exe	93
PID 4944 wrote to memory of 892	4944	cmd.exe	94
PID 4944 wrote to memory of 3200	4944	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe
"C:\Users\Admin\AppData\Local\Temp\c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "x0qi4" /tr '"C:\Users\Admin\AppData\Roaming\x0qi4.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "x0qi4" /tr '"C:\Users\Admin\AppData\Roaming\x0qi4.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4504
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp328F.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4944
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:892
- - C:\Users\Admin\AppData\Roaming\x0qi4.exe
    "C:\Users\Admin\AppData\Roaming\x0qi4.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3200

C:\Users\Admin\AppData\Roaming\x0qi4.exe
"C:\Users\Admin\AppData\Roaming\x0qi4.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2796

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

tmp328F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp328F.tmp.bat
Size 149B
SHA256 72d1fed9eaa0135742716134dbf9c44886411f80b20ec033f82379369afd232e
MD5 7c73eff406060cb05273dba6b4622552
SHA1 c267155fb0cc3fffcec1d8202b6f63c1cd5a2056
SHA512 2d45f71db16f081738a9cf4e142fe4a3e39f627070c87e7a8db295452b93f39850045bb5d68d2826843104a7e8659680f630c6b83003238e431fa09cf3b29728
TLSH
T14DC02B42A1C5EA1E2C0D542317FAD48DA1726C1D3F44FB40C304406D3280C4CF0D9341
MD5 SHA1 SHA512 TLSH

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x0qi4.exe

Path C:\Users\Admin\AppData\Roaming\x0qi4.exe
Size 45KB
SHA256 c1fcb60a19a863386929b463acb44239660c53f4d035560d7ccbbd353aaf495f
MD5 17f1b765b14f1d4cd4d1402916d5d053
SHA1 8acf7f6208077d3061c725d7d408392018902790
SHA512 d9e16b3c659610dae98a87caaed37b60850e80291b4d222f73bdbbe02e2f155f8e4cc05efcb60eee767d29e502b3fb932eba11a8a4c6009bd0fe00951dcc0fbe
SSDEEP 768:4uLZZTUAoOSWUYZL8mo2qFIZTohEaSPIZzjbygX3iV2tczcUOubBDZbx:4uLZZTUTn2F4Ea7Z3b1XSgczcXuNdbx
TLSH
T103232B003BE8822BF2BE5F7859F26145867EF1A33603D54D1CC452DB5713BC69A42AFA
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2688-0-0x00000000751B2000-0x00000000751B3000-memory.dmp

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memory/2688-1-0x00000000004E0000-0x00000000004F2000-memory.dmp

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memory/2688-2-0x00000000751A0000-0x000000007595C000-memory.dmp

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memory/2688-3-0x0000000005070000-0x000000000510C000-memory.dmp

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memory/2688-8-0x00000000751A0000-0x000000007595C000-memory.dmp

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memory/2796-12-0x0000000074FB0000-0x000000007576C000-memory.dmp

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memory/2796-14-0x0000000074FB0000-0x000000007576C000-memory.dmp

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