asyncrat | a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35

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
04/08/2026, 07:32

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General

Target
a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
Size 45KB
Sample260804-jc2a8aak5x
SHA256 a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35
MD5 b0be62ca5d10f445e4b0085cec6c6327
SHA1 6bb391c29b4bc0096676457fab477c093a228346
SHA512 5721b826c705bf58a724a7af8494bfba1c0f03250c77e5fd38a4ca63abb6c32290ad7c1a4cccf86d37595719de95f2c4d966e8bbb2578ffe0d1c06d331511114
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlQZTohEaSPIJzjbKgX3iV1XSsgb5fvJzjludBDZO:wuDWZTpMZSB2N4Ea7J3bdXSVFSn5fRs8
TLSH
T1FD232A003BE8822BF2BE4F789DF26145897EE5637603D64A1CC411D75723FC69A426FA
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

sexybeam.me:80
sexybeam.me:22
sexybeam.me:8080
sexybeam.me:8880
sexybeam.me:2052
sexybeam.me:2082
sexybeam.me:2086
sexybeam.me:2095
sexybeam.me:443
sexybeam.me:2053
sexybeam.me:2083
sexybeam.me:2087
sexybeam.me:2096
sexybeam.me:8443
www.sexybeam.me:80
www.sexybeam.me:22
www.sexybeam.me:8080
www.sexybeam.me:8880
www.sexybeam.me:2052
www.sexybeam.me:2082
www.sexybeam.me:2086
www.sexybeam.me:2095
www.sexybeam.me:443
www.sexybeam.me:2053
www.sexybeam.me:2083
www.sexybeam.me:2087
www.sexybeam.me:2096
www.sexybeam.me:8443
hacker.sexybeam.me:80
hacker.sexybeam.me:22
hacker.sexybeam.me:8080
hacker.sexybeam.me:8880
hacker.sexybeam.me:2052
hacker.sexybeam.me:2082
hacker.sexybeam.me:2086
hacker.sexybeam.me:2095
hacker.sexybeam.me:443
hacker.sexybeam.me:2053
hacker.sexybeam.me:2083
hacker.sexybeam.me:2087
hacker.sexybeam.me:2096
hacker.sexybeam.me:8443
nanocore.sexybeam.me:80
nanocore.sexybeam.me:22
nanocore.sexybeam.me:8080
nanocore.sexybeam.me:8880
nanocore.sexybeam.me:2052
nanocore.sexybeam.me:2082
nanocore.sexybeam.me:2086
nanocore.sexybeam.me:2095
nanocore.sexybeam.me:443
nanocore.sexybeam.me:2053
nanocore.sexybeam.me:2083
nanocore.sexybeam.me:2087
nanocore.sexybeam.me:2096
nanocore.sexybeam.me:8443

Mutex

BZ5bO89YylYV

Attributes

delay
0
install
true
install_file
3qnh4.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/0x00090000000167e7-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4108	3qnh4.exe
3808	3qnh4.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	15	103.131.57.45:22
SSH destination	9	103.131.57.45:22

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
5056	cmd.exe
4632	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3qnh4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3qnh4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1420	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
1964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 5056	944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe	89
PID 944 wrote to memory of 4632	944	a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe	91
PID 4632 wrote to memory of 1420	4632	cmd.exe	93
PID 5056 wrote to memory of 1964	5056	cmd.exe	94
PID 4632 wrote to memory of 3808	4632	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe
"C:\Users\Admin\AppData\Local\Temp\a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:944
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "3qnh4" /tr '"C:\Users\Admin\AppData\Roaming\3qnh4.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5056
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "3qnh4" /tr '"C:\Users\Admin\AppData\Roaming\3qnh4.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1964
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6920.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4632
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1420
- - C:\Users\Admin\AppData\Roaming\3qnh4.exe
    "C:\Users\Admin\AppData\Roaming\3qnh4.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3808

C:\Users\Admin\AppData\Roaming\3qnh4.exe
"C:\Users\Admin\AppData\Roaming\3qnh4.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4108

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

tmp6920.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6920.tmp.bat
Size 149B
SHA256 b867cac88b106f6dd95abac45c600b1d5eff2a17ede464431208c0cccc6eb46e
MD5 bae4474b0fdc9b13089b5782bc2cb483
SHA1 53bc8fad8acfcc804555802bb527d3bd5241dce2
SHA512 5aecd0b11e4bc870a175b69e112fd6d98d07ea4dd4313c8643e53ebf9133223810a2a01f906a169f4e68fcecef102d7282205546a38bcb1107c117082beef1cf
TLSH
T1F3C02B52A1C5FE4E2905145702FBD9CC9176AC1D3F40FB00D704401D1280848F4DD341
MD5 SHA1 SHA512 TLSH

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3qnh4.exe

Path C:\Users\Admin\AppData\Roaming\3qnh4.exe
Size 45KB
SHA256 a9a68c1e1028881e38afdac1f9158d72502f952e2b606370e648a7df22f95a35
MD5 b0be62ca5d10f445e4b0085cec6c6327
SHA1 6bb391c29b4bc0096676457fab477c093a228346
SHA512 5721b826c705bf58a724a7af8494bfba1c0f03250c77e5fd38a4ca63abb6c32290ad7c1a4cccf86d37595719de95f2c4d966e8bbb2578ffe0d1c06d331511114
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlQZTohEaSPIJzjbKgX3iV1XSsgb5fvJzjludBDZO:wuDWZTpMZSB2N4Ea7J3bdXSVFSn5fRs8
TLSH
T1FD232A003BE8822BF2BE4F789DF26145897EE5637603D64A1CC411D75723FC69A426FA
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/944-0-0x0000000074A22000-0x0000000074A23000-memory.dmp

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memory/944-1-0x0000000000670000-0x0000000000682000-memory.dmp

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memory/944-2-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/944-3-0x0000000005080000-0x000000000511C000-memory.dmp

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memory/944-9-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/4108-12-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/4108-14-0x0000000074A10000-0x00000000751CC000-memory.dmp

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