asyncrat | fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4

Analysis

max time kernel
148s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/09/2026, 11:34

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General

Target
fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
Size 45KB
Sample260905-nplhrade59
SHA256 fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4
MD5 f91ca3930af892967c96d12d9d58ce7e
SHA1 7244d1bdfa136ffe1ca1e7a7ea602b4efb5c5222
SHA512 fcbbe11459a56ece5311cba25e8e9a8da90459ee217ec61c508ca342252187a48ec1ff160efc21be6770e419d24ee2fccd94349fcb83e20e95b141907f5d786e
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1lqyE0OFUwdexIkDPIazjbRXgX3iQdI4f7tBDZMx:wuZ8pT1tc2EqNTwMa3bRwXSGjdMx
TLSH
T131232A0037E9C12BF2BE4F7499F26145867AF6632603D64A1CC411DB5723BC69A436FE
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

phimsexsub.tel:80
phimsexsub.tel:22
phimsexsub.tel:8080
phimsexsub.tel:8880
phimsexsub.tel:2052
phimsexsub.tel:2082
phimsexsub.tel:2086
phimsexsub.tel:2095
phimsexsub.tel:443
phimsexsub.tel:2053
phimsexsub.tel:2083
phimsexsub.tel:2087
phimsexsub.tel:2096
phimsexsub.tel:8443
www.phimsexsub.tel:80
www.phimsexsub.tel:22
www.phimsexsub.tel:8080
www.phimsexsub.tel:8880
www.phimsexsub.tel:2052
www.phimsexsub.tel:2082
www.phimsexsub.tel:2086
www.phimsexsub.tel:2095
www.phimsexsub.tel:443
www.phimsexsub.tel:2053
www.phimsexsub.tel:2083
www.phimsexsub.tel:2087
www.phimsexsub.tel:2096
www.phimsexsub.tel:8443
hacker.phimsexsub.tel:80
hacker.phimsexsub.tel:22
hacker.phimsexsub.tel:8080
hacker.phimsexsub.tel:8880
hacker.phimsexsub.tel:2052
hacker.phimsexsub.tel:2082
hacker.phimsexsub.tel:2086
hacker.phimsexsub.tel:2095
hacker.phimsexsub.tel:443
hacker.phimsexsub.tel:2053
hacker.phimsexsub.tel:2083
hacker.phimsexsub.tel:2087
hacker.phimsexsub.tel:2096
hacker.phimsexsub.tel:8443
malware.phimsexsub.tel:80
malware.phimsexsub.tel:22
malware.phimsexsub.tel:8080
malware.phimsexsub.tel:8880
malware.phimsexsub.tel:2052
malware.phimsexsub.tel:2082
malware.phimsexsub.tel:2086
malware.phimsexsub.tel:2095
malware.phimsexsub.tel:443
malware.phimsexsub.tel:2053
malware.phimsexsub.tel:2083
malware.phimsexsub.tel:2087
malware.phimsexsub.tel:2096
malware.phimsexsub.tel:8443

Mutex

sMHSveUsVFjH

Attributes

delay
0
install
true
install_file
6xf1.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/0x000e00000001c545-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
992	6xf1.exe
3564	6xf1.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	13	172.67.145.37:22
SSH destination	12	104.21.65.108:22

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
4388	cmd.exe
4140	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	6xf1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6xf1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5724	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
1140	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
Token: SeDebugPrivilege	992	6xf1.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 4140	1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe	89
PID 1180 wrote to memory of 4388	1180	fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe	91
PID 4388 wrote to memory of 5724	4388	cmd.exe	93
PID 4140 wrote to memory of 1140	4140	cmd.exe	94
PID 4388 wrote to memory of 3564	4388	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe
"C:\Users\Admin\AppData\Local\Temp\fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "6xf1" /tr '"C:\Users\Admin\AppData\Roaming\6xf1.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4140
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "6xf1" /tr '"C:\Users\Admin\AppData\Roaming\6xf1.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1140
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp834.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4388
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5724
- - C:\Users\Admin\AppData\Roaming\6xf1.exe
    "C:\Users\Admin\AppData\Roaming\6xf1.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3564

C:\Users\Admin\AppData\Roaming\6xf1.exe
"C:\Users\Admin\AppData\Roaming\6xf1.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:992

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

tmp834.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp834.tmp.bat
Size 147B
SHA256 e43037020f6f338e269fce8fae6b2c1cf28e02e00d9eede5861936e315c7efad
MD5 744165b1ef7e0bfbca4e7d97dd0985f8
SHA1 74e764cc60fba9e65b1fdcaa0a6f614d9dd77e2c
SHA512 8eec13ff111d545da78410954a05fa129c25ae31f6c0684abf2f5c8b5f7ad47dc881295dc06000f8354dc75c87d58dff231b4567df33e427415417cdc106e5da
TLSH
T183C08C4261CAAA4E6805542302BEE59C91A6A8693E40AB408344400E5280448E0EA241
MD5 SHA1 SHA512 TLSH

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6xf1.exe

Path C:\Users\Admin\AppData\Roaming\6xf1.exe
Size 45KB
SHA256 fd7c56b8aea33d07eb77d3cef6e209cbeca82ad35d9f27640b776b2f7d1173e4
MD5 f91ca3930af892967c96d12d9d58ce7e
SHA1 7244d1bdfa136ffe1ca1e7a7ea602b4efb5c5222
SHA512 fcbbe11459a56ece5311cba25e8e9a8da90459ee217ec61c508ca342252187a48ec1ff160efc21be6770e419d24ee2fccd94349fcb83e20e95b141907f5d786e
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1lqyE0OFUwdexIkDPIazjbRXgX3iQdI4f7tBDZMx:wuZ8pT1tc2EqNTwMa3bRwXSGjdMx
TLSH
T131232A0037E9C12BF2BE4F7499F26145867AF6632603D64A1CC411DB5723BC69A436FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/992-12-0x0000000074380000-0x0000000074B3C000-memory.dmp

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memory/992-14-0x0000000074380000-0x0000000074B3C000-memory.dmp

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memory/1180-0-0x0000000074392000-0x0000000074393000-memory.dmp

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memory/1180-1-0x0000000000F80000-0x0000000000F92000-memory.dmp

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memory/1180-2-0x0000000074380000-0x0000000074B3C000-memory.dmp

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memory/1180-3-0x0000000005A70000-0x0000000005B0C000-memory.dmp

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memory/1180-9-0x0000000074380000-0x0000000074B3C000-memory.dmp

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