asyncrat | 6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/09/2026, 07:14

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General

Target
6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
Size 45KB
Sample260905-h2xtnace45
SHA256 6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a
MD5 9c02a5c407e7c5e2c121e17c93d11d91
SHA1 aeecab38fb9d37c02bbbb08dbcd83dbbababe92b
SHA512 70529a8014e2c1c4c119322a1a3cd6acfaf83dfa01f364b4e7724af785531d39200a63edb9d7f5d9c1888dacf1bf42116e31c2a06b4d627f28557a07b63ce3fc
SSDEEP 768:EulCJTHESwgWUK3aGmo2q90ZbtDMQPI8fjb0gX3im3WXwcVCINBDZsx:EulCJTHl42lJk8rbbXSm32wcJDdsx
TLSH
T1A6231A0037E8C12BF2BE5F78A9F26145867EB6673603D54A2CC441DB5623FC58A426EE
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

topsexviet.one:80
topsexviet.one:22
topsexviet.one:8080
topsexviet.one:8880
topsexviet.one:2052
topsexviet.one:2082
topsexviet.one:2086
topsexviet.one:2095
topsexviet.one:443
topsexviet.one:2053
topsexviet.one:2083
topsexviet.one:2087
topsexviet.one:2096
topsexviet.one:8443
www.topsexviet.one:80
www.topsexviet.one:22
www.topsexviet.one:8080
www.topsexviet.one:8880
www.topsexviet.one:2052
www.topsexviet.one:2082
www.topsexviet.one:2086
www.topsexviet.one:2095
www.topsexviet.one:443
www.topsexviet.one:2053
www.topsexviet.one:2083
www.topsexviet.one:2087
www.topsexviet.one:2096
www.topsexviet.one:8443
invasive.topsexviet.one:80
invasive.topsexviet.one:22
invasive.topsexviet.one:8080
invasive.topsexviet.one:8880
invasive.topsexviet.one:2052
invasive.topsexviet.one:2082
invasive.topsexviet.one:2086
invasive.topsexviet.one:2095
invasive.topsexviet.one:443
invasive.topsexviet.one:2053
invasive.topsexviet.one:2083
invasive.topsexviet.one:2087
invasive.topsexviet.one:2096
invasive.topsexviet.one:8443
hacker.topsexviet.one:80
hacker.topsexviet.one:22
hacker.topsexviet.one:8080
hacker.topsexviet.one:8880
hacker.topsexviet.one:2052
hacker.topsexviet.one:2082
hacker.topsexviet.one:2086
hacker.topsexviet.one:2095
hacker.topsexviet.one:443
hacker.topsexviet.one:2053
hacker.topsexviet.one:2083
hacker.topsexviet.one:2087
hacker.topsexviet.one:2096
hacker.topsexviet.one:8443
malware.topsexviet.one:80
malware.topsexviet.one:22
malware.topsexviet.one:8080
malware.topsexviet.one:8880
malware.topsexviet.one:2052
malware.topsexviet.one:2082
malware.topsexviet.one:2086
malware.topsexviet.one:2095
malware.topsexviet.one:443
malware.topsexviet.one:2053
malware.topsexviet.one:2083
malware.topsexviet.one:2087
malware.topsexviet.one:2096
malware.topsexviet.one:8443

Mutex

eCNGEOj9YpYA

Attributes

delay
0
install
true
install_file
xb0mud.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/0x000d00000001c56e-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5828	xb0mud.exe
244	xb0mud.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
4556	cmd.exe
5456	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	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	xb0mud.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xb0mud.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3348	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
4948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
Token: SeDebugPrivilege	5828	xb0mud.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3452 wrote to memory of 4556	3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe	88
PID 3452 wrote to memory of 5456	3452	6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe	90
PID 4556 wrote to memory of 4948	4556	cmd.exe	92
PID 5456 wrote to memory of 3348	5456	cmd.exe	93
PID 5456 wrote to memory of 244	5456	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.exe
"C:\Users\Admin\AppData\Local\Temp\6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a.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 "xb0mud" /tr '"C:\Users\Admin\AppData\Roaming\xb0mud.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4556
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "xb0mud" /tr '"C:\Users\Admin\AppData\Roaming\xb0mud.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4948
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA35A.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5456
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3348
- - C:\Users\Admin\AppData\Roaming\xb0mud.exe
    "C:\Users\Admin\AppData\Roaming\xb0mud.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:244

C:\Users\Admin\AppData\Roaming\xb0mud.exe
"C:\Users\Admin\AppData\Roaming\xb0mud.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5828

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

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Downloads

tmpA35A.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpA35A.tmp.bat
Size 150B
SHA256 0b28d6169f3bf8af9708f2eb6e29a9d889b4d161f2e4a305d2f7c341ebb4abd7
MD5 d9fb674e81b8f78d6c341b20ea794bca
SHA1 193ffe5758dc7a328b9f6fa5fb80493f59ac3327
SHA512 24dce86eaed1bd4d3bed0cdc7b623cc0a14b22f96bb423ba6d8e725425079714545fcaea22c473f73e6bc2ae16bdd145dbc8918c5bd7c32c17c089b7b4087b26
TLSH
T16CC02B42A5C7FA0E7806586306FED48DE2B26D593F40BB00C344408E2380C5CF0DA382
MD5 SHA1 SHA512 TLSH

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xb0mud.exe

Path C:\Users\Admin\AppData\Roaming\xb0mud.exe
Size 45KB
SHA256 6b0d7954886f3cd67433ec4e6b15e72a785452201c45133b42fba4e56445e77a
MD5 9c02a5c407e7c5e2c121e17c93d11d91
SHA1 aeecab38fb9d37c02bbbb08dbcd83dbbababe92b
SHA512 70529a8014e2c1c4c119322a1a3cd6acfaf83dfa01f364b4e7724af785531d39200a63edb9d7f5d9c1888dacf1bf42116e31c2a06b4d627f28557a07b63ce3fc
SSDEEP 768:EulCJTHESwgWUK3aGmo2q90ZbtDMQPI8fjb0gX3im3WXwcVCINBDZsx:EulCJTHl42lJk8rbbXSm32wcJDdsx
TLSH
T1A6231A0037E8C12BF2BE5F78A9F26145867EB6673603D54A2CC441DB5623FC58A426EE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3452-0-0x0000000074E82000-0x0000000074E83000-memory.dmp

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memory/3452-1-0x00000000006C0000-0x00000000006D2000-memory.dmp

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memory/3452-2-0x0000000074E70000-0x000000007562C000-memory.dmp

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memory/3452-3-0x00000000051E0000-0x000000000527C000-memory.dmp

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memory/3452-8-0x0000000074E70000-0x000000007562C000-memory.dmp

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memory/5828-12-0x0000000074D00000-0x00000000754BC000-memory.dmp

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memory/5828-14-0x0000000074D00000-0x00000000754BC000-memory.dmp

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