asyncrat | 9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032

Analysis

max time kernel
148s
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
02/08/2026, 18:15

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
Size 45KB
Sample260802-wweb1svvcw
SHA256 9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032
MD5 465a944c8c9c24313daa82844a160827
SHA1 656d9e6046a6b15be3c86f9f46538a828d181373
SHA512 708e572015e4ecd8525d615a774c1c982e317500e1c42c77c93511032f5d30927112f86a8e7349cfc563a2d9d46f769711b4ece0ed9090be314eabab93a364cd
SSDEEP 768:cuq04JTLcsP8EWUmOTymo2qAO8V1RpPEcPIMzjb+gX3i037eeG+9WZS9sBDZUx:cuqNJTLr62e8VDZEhM3bBXS03yR+9WM3
TLSH
T1F9231A003BE8C12BF2BE4F7899F26145867AF6632603D64A1CC451DB5723FC69A426FD
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
malware.xcavengon.click:80
malware.xcavengon.click:22
malware.xcavengon.click:8080
malware.xcavengon.click:8880
malware.xcavengon.click:2052
malware.xcavengon.click:2082
malware.xcavengon.click:2086
malware.xcavengon.click:2095
malware.xcavengon.click:443
malware.xcavengon.click:2053
malware.xcavengon.click:2083
malware.xcavengon.click:2087
malware.xcavengon.click:2096
malware.xcavengon.click:8443
blacklotus.xcavengon.click:80
blacklotus.xcavengon.click:22
blacklotus.xcavengon.click:8080
blacklotus.xcavengon.click:8880
blacklotus.xcavengon.click:2052
blacklotus.xcavengon.click:2082
blacklotus.xcavengon.click:2086
blacklotus.xcavengon.click:2095
blacklotus.xcavengon.click:443
blacklotus.xcavengon.click:2053
blacklotus.xcavengon.click:2083
blacklotus.xcavengon.click:2087
blacklotus.xcavengon.click:2096
blacklotus.xcavengon.click:8443
sasser.xcavengon.click:80
sasser.xcavengon.click:22
sasser.xcavengon.click:8080
sasser.xcavengon.click:8880
sasser.xcavengon.click:2052
sasser.xcavengon.click:2082
sasser.xcavengon.click:2086
sasser.xcavengon.click:2095
sasser.xcavengon.click:443
sasser.xcavengon.click:2053
sasser.xcavengon.click:2083
sasser.xcavengon.click:2087
sasser.xcavengon.click:2096
sasser.xcavengon.click:8443
conti.xcavengon.click:80
conti.xcavengon.click:22
conti.xcavengon.click:8080
conti.xcavengon.click:8880
conti.xcavengon.click:2052
conti.xcavengon.click:2082
conti.xcavengon.click:2086
conti.xcavengon.click:2095
conti.xcavengon.click:443
conti.xcavengon.click:2053
conti.xcavengon.click:2083
conti.xcavengon.click:2087
conti.xcavengon.click:2096
conti.xcavengon.click:8443

Mutex

xjMeuBvHlYFD

Attributes

delay
0
install
true
install_file
148u.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/0x0005000000016b47-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2440	148u.exe
4536	148u.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	9	172.67.189.217:22
SSH destination	10	104.21.10.8:22

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
5248	cmd.exe
5896	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	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.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	148u.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	148u.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4424	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
472	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
Token: SeDebugPrivilege	2440	148u.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5312 wrote to memory of 5248	5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe	89
PID 5312 wrote to memory of 5896	5312	9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe	91
PID 5248 wrote to memory of 472	5248	cmd.exe	93
PID 5896 wrote to memory of 4424	5896	cmd.exe	94
PID 5896 wrote to memory of 4536	5896	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe
"C:\Users\Admin\AppData\Local\Temp\9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "148u" /tr '"C:\Users\Admin\AppData\Roaming\148u.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5248
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "148u" /tr '"C:\Users\Admin\AppData\Roaming\148u.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:472
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8718.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5896
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4424
- - C:\Users\Admin\AppData\Roaming\148u.exe
    "C:\Users\Admin\AppData\Roaming\148u.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4536

C:\Users\Admin\AppData\Roaming\148u.exe
"C:\Users\Admin\AppData\Roaming\148u.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2440

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5820

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

tmp8718.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp8718.tmp.bat
Size 148B
SHA256 dc2692a2d7f84d5913bf28972c94608dc5c1eb397f396160215a6559a68344cd
MD5 f7e670df446f3ea1a78e9d696a84ff59
SHA1 9d6170caa71f2c4dcce916e40778d89dfd4d2a2c
SHA512 3b6463b9feb38890fd655ad02326a4dbe85c0d0738242e584a3b2c4a3bd1ab1a28e4af8e3b1290409e7a3657bb0bd91e170321f439cecca925f0bc88029a1310
TLSH
T1FDC02B5692C5FA4E3805A83303FAD59C91727C993F80BF10C744800D6381448F0DD381
MD5 SHA1 SHA512 TLSH

Submit Download

148u.exe

Path C:\Users\Admin\AppData\Roaming\148u.exe
Size 45KB
SHA256 9a54b95cdc478f74a4077251f6ec5888d59c656b2b8ee2dd6e8fc15438cbe032
MD5 465a944c8c9c24313daa82844a160827
SHA1 656d9e6046a6b15be3c86f9f46538a828d181373
SHA512 708e572015e4ecd8525d615a774c1c982e317500e1c42c77c93511032f5d30927112f86a8e7349cfc563a2d9d46f769711b4ece0ed9090be314eabab93a364cd
SSDEEP 768:cuq04JTLcsP8EWUmOTymo2qAO8V1RpPEcPIMzjb+gX3i037eeG+9WZS9sBDZUx:cuqNJTLr62e8VDZEhM3bBXS03yR+9WM3
TLSH
T1F9231A003BE8C12BF2BE4F7899F26145867AF6632603D64A1CC451DB5723FC69A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2440-12-0x0000000074FB0000-0x000000007576C000-memory.dmp

Download

memory/2440-14-0x0000000074FB0000-0x000000007576C000-memory.dmp

Download

memory/5312-0-0x0000000075182000-0x0000000075183000-memory.dmp

Download

memory/5312-1-0x0000000000CF0000-0x0000000000D02000-memory.dmp

Download

memory/5312-2-0x0000000075170000-0x000000007592C000-memory.dmp

Download

memory/5312-3-0x00000000056E0000-0x000000000577C000-memory.dmp

Download

memory/5312-8-0x0000000075170000-0x000000007592C000-memory.dmp

Download