asyncrat | 4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048

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
31/08/2026, 16:35

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General

Target
4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
Size 45KB
Sample260831-t33bbadj5v
SHA256 4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048
MD5 cc3e8a70e7b1c9417e1500e8d2f5673f
SHA1 3879e5b5936071ac45db04354c5878ddcdd820c8
SHA512 02cd5f2ad32f4c79cb2741f1b64ec8454eb79915d81b64e1499ba52ab4312ab2ba3a54427768dd92ffe44a72d6956318233d431f3e955f0437f47949f350cf3a
SSDEEP 768:0uPrpT/LGKeWUszuAmo2q9tcQSCBznqNLPI7zjbZgX3iav3WknrBDZ8x:0uPrpT/qY2cc9UqC73b2XS1kn9d8x
TLSH
T127231A003BE8812AF2BE4F7899F26145867AF6637603E54D2CC451DB4713FC69A426FE
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

phimsexhaymoa.com:80
phimsexhaymoa.com:22
phimsexhaymoa.com:8080
phimsexhaymoa.com:8880
phimsexhaymoa.com:2052
phimsexhaymoa.com:2082
phimsexhaymoa.com:2086
phimsexhaymoa.com:2095
phimsexhaymoa.com:443
phimsexhaymoa.com:2053
phimsexhaymoa.com:2083
phimsexhaymoa.com:2087
phimsexhaymoa.com:2096
phimsexhaymoa.com:8443
www.phimsexhaymoa.com:80
www.phimsexhaymoa.com:22
www.phimsexhaymoa.com:8080
www.phimsexhaymoa.com:8880
www.phimsexhaymoa.com:2052
www.phimsexhaymoa.com:2082
www.phimsexhaymoa.com:2086
www.phimsexhaymoa.com:2095
www.phimsexhaymoa.com:443
www.phimsexhaymoa.com:2053
www.phimsexhaymoa.com:2083
www.phimsexhaymoa.com:2087
www.phimsexhaymoa.com:2096
www.phimsexhaymoa.com:8443
klez.phimsexhaymoa.com:80
klez.phimsexhaymoa.com:22
klez.phimsexhaymoa.com:8080
klez.phimsexhaymoa.com:8880
klez.phimsexhaymoa.com:2052
klez.phimsexhaymoa.com:2082
klez.phimsexhaymoa.com:2086
klez.phimsexhaymoa.com:2095
klez.phimsexhaymoa.com:443
klez.phimsexhaymoa.com:2053
klez.phimsexhaymoa.com:2083
klez.phimsexhaymoa.com:2087
klez.phimsexhaymoa.com:2096
klez.phimsexhaymoa.com:8443
sobig.phimsexhaymoa.com:80
sobig.phimsexhaymoa.com:22
sobig.phimsexhaymoa.com:8080
sobig.phimsexhaymoa.com:8880
sobig.phimsexhaymoa.com:2052
sobig.phimsexhaymoa.com:2082
sobig.phimsexhaymoa.com:2086
sobig.phimsexhaymoa.com:2095
sobig.phimsexhaymoa.com:443
sobig.phimsexhaymoa.com:2053
sobig.phimsexhaymoa.com:2083
sobig.phimsexhaymoa.com:2087
sobig.phimsexhaymoa.com:2096
sobig.phimsexhaymoa.com:8443

Mutex

1xNm7idCtjeV

Attributes

delay
0
install
true
install_file
oh4e4az.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/0x001400000001c462-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2544	oh4e4az.exe
3404	oh4e4az.exe

Outbound SSH connection to public host 2 TTPs 4 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	3	104.21.44.146:22
SSH destination	11	172.67.200.200:22
SSH destination	17	104.21.44.146:22
SSH destination	18	172.67.200.200:22

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
3604	cmd.exe
3484	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	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.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	oh4e4az.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oh4e4az.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4604	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
2920	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 3604	1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe	89
PID 1420 wrote to memory of 3484	1420	4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe	91
PID 3604 wrote to memory of 2920	3604	cmd.exe	93
PID 3484 wrote to memory of 4604	3484	cmd.exe	94
PID 3484 wrote to memory of 3404	3484	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe
"C:\Users\Admin\AppData\Local\Temp\4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "oh4e4az" /tr '"C:\Users\Admin\AppData\Roaming\oh4e4az.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3604
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "oh4e4az" /tr '"C:\Users\Admin\AppData\Roaming\oh4e4az.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2920
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2447.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3484
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4604
- - C:\Users\Admin\AppData\Roaming\oh4e4az.exe
    "C:\Users\Admin\AppData\Roaming\oh4e4az.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3404

C:\Users\Admin\AppData\Roaming\oh4e4az.exe
"C:\Users\Admin\AppData\Roaming\oh4e4az.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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

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

tmp2447.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp2447.tmp.bat
Size 151B
SHA256 8bb2ae252459ab6d15fae867eab184abe2b4049f9a45ce1727872dfd8599dfa2
MD5 c6df7dd3bf3fe2e1c87aede9c9b45ddc
SHA1 b695acefe39955657159280944864a8620c0ccf5
SHA512 a47d0eaa3fd83c9b90e6c790677c3cdb57cf58dec939d1a1302143558293108d2cf1783136cce6e1150f3cd927f837547ab008a83e4a586a6f1cb2f19ad96bb8
TLSH
T1B3C02B92F5C5FB1E6805B43302FED48DD1726C193F40BB00C744440F6280449F0E938D
MD5 SHA1 SHA512 TLSH

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oh4e4az.exe

Path C:\Users\Admin\AppData\Roaming\oh4e4az.exe
Size 45KB
SHA256 4fe414a0e21140a5107b11d8b8237d4c9273f3ed5ba6f9b83d945df7d31ef048
MD5 cc3e8a70e7b1c9417e1500e8d2f5673f
SHA1 3879e5b5936071ac45db04354c5878ddcdd820c8
SHA512 02cd5f2ad32f4c79cb2741f1b64ec8454eb79915d81b64e1499ba52ab4312ab2ba3a54427768dd92ffe44a72d6956318233d431f3e955f0437f47949f350cf3a
SSDEEP 768:0uPrpT/LGKeWUszuAmo2q9tcQSCBznqNLPI7zjbZgX3iav3WknrBDZ8x:0uPrpT/qY2cc9UqC73b2XS1kn9d8x
TLSH
T127231A003BE8812AF2BE4F7899F26145867AF6637603E54D2CC451DB4713FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1420-0-0x0000000074DF2000-0x0000000074DF3000-memory.dmp

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memory/1420-1-0x00000000009F0000-0x0000000000A02000-memory.dmp

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memory/1420-2-0x0000000074DE0000-0x000000007559C000-memory.dmp

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memory/1420-3-0x0000000005480000-0x000000000551C000-memory.dmp

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memory/1420-9-0x0000000074DE0000-0x000000007559C000-memory.dmp

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memory/2544-12-0x0000000074DE0000-0x000000007559C000-memory.dmp

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memory/2544-14-0x0000000074DE0000-0x000000007559C000-memory.dmp

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