asyncrat | 124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
01/07/2026, 12:35

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General

Target
124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
Size 45KB
Sample260701-pse1taes8p
SHA256 124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f
MD5 4f8ab10509d41dfa657bee7c451d9659
SHA1 05a62b153b6bea81905eeaa1c76675abe07f13cf
SHA512 43f809d227481725548b1bfa5e05e7aed37cae216f76b16525d9031610c1dd3fb0cd736170927656552f6fa98995c4bdcaac19665a7d44c64b2a8a6d90a3c8f9
SSDEEP 768:ru2n5T105n5WU9XuPmo2qbOGFZQjB4PIFfzjb3gX3i0pRj3SU4Os/BDZxx:ru2n5T1G62oqF9Ff3bQXS0pFgXdxx
TLSH
T11E231A003BE8812BF2BF5B78A9F26106867AF6733603E54D1CC451975713FC69A426EE
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

rfccarparkmanagement.co.uk:80
rfccarparkmanagement.co.uk:22
rfccarparkmanagement.co.uk:8080
rfccarparkmanagement.co.uk:8880
rfccarparkmanagement.co.uk:2052
rfccarparkmanagement.co.uk:2082
rfccarparkmanagement.co.uk:2086
rfccarparkmanagement.co.uk:2095
rfccarparkmanagement.co.uk:443
rfccarparkmanagement.co.uk:2053
rfccarparkmanagement.co.uk:2083
rfccarparkmanagement.co.uk:2087
rfccarparkmanagement.co.uk:2096
rfccarparkmanagement.co.uk:8443
www.rfccarparkmanagement.co.uk:80
www.rfccarparkmanagement.co.uk:22
www.rfccarparkmanagement.co.uk:8080
www.rfccarparkmanagement.co.uk:8880
www.rfccarparkmanagement.co.uk:2052
www.rfccarparkmanagement.co.uk:2082
www.rfccarparkmanagement.co.uk:2086
www.rfccarparkmanagement.co.uk:2095
www.rfccarparkmanagement.co.uk:443
www.rfccarparkmanagement.co.uk:2053
www.rfccarparkmanagement.co.uk:2083
www.rfccarparkmanagement.co.uk:2087
www.rfccarparkmanagement.co.uk:2096
www.rfccarparkmanagement.co.uk:8443
triton.rfccarparkmanagement.co.uk:80
triton.rfccarparkmanagement.co.uk:22
triton.rfccarparkmanagement.co.uk:8080
triton.rfccarparkmanagement.co.uk:8880
triton.rfccarparkmanagement.co.uk:2052
triton.rfccarparkmanagement.co.uk:2082
triton.rfccarparkmanagement.co.uk:2086
triton.rfccarparkmanagement.co.uk:2095
triton.rfccarparkmanagement.co.uk:443
triton.rfccarparkmanagement.co.uk:2053
triton.rfccarparkmanagement.co.uk:2083
triton.rfccarparkmanagement.co.uk:2087
triton.rfccarparkmanagement.co.uk:2096
triton.rfccarparkmanagement.co.uk:8443
agenttesla.rfccarparkmanagement.co.uk:80
agenttesla.rfccarparkmanagement.co.uk:22
agenttesla.rfccarparkmanagement.co.uk:8080
agenttesla.rfccarparkmanagement.co.uk:8880
agenttesla.rfccarparkmanagement.co.uk:2052
agenttesla.rfccarparkmanagement.co.uk:2082
agenttesla.rfccarparkmanagement.co.uk:2086
agenttesla.rfccarparkmanagement.co.uk:2095
agenttesla.rfccarparkmanagement.co.uk:443
agenttesla.rfccarparkmanagement.co.uk:2053
agenttesla.rfccarparkmanagement.co.uk:2083
agenttesla.rfccarparkmanagement.co.uk:2087
agenttesla.rfccarparkmanagement.co.uk:2096
agenttesla.rfccarparkmanagement.co.uk:8443
qakbot.rfccarparkmanagement.co.uk:80
qakbot.rfccarparkmanagement.co.uk:22
qakbot.rfccarparkmanagement.co.uk:8080
qakbot.rfccarparkmanagement.co.uk:8880
qakbot.rfccarparkmanagement.co.uk:2052
qakbot.rfccarparkmanagement.co.uk:2082
qakbot.rfccarparkmanagement.co.uk:2086
qakbot.rfccarparkmanagement.co.uk:2095
qakbot.rfccarparkmanagement.co.uk:443
qakbot.rfccarparkmanagement.co.uk:2053
qakbot.rfccarparkmanagement.co.uk:2083
qakbot.rfccarparkmanagement.co.uk:2087
qakbot.rfccarparkmanagement.co.uk:2096
qakbot.rfccarparkmanagement.co.uk:8443
malware.rfccarparkmanagement.co.uk:80
malware.rfccarparkmanagement.co.uk:22
malware.rfccarparkmanagement.co.uk:8080
malware.rfccarparkmanagement.co.uk:8880
malware.rfccarparkmanagement.co.uk:2052
malware.rfccarparkmanagement.co.uk:2082
malware.rfccarparkmanagement.co.uk:2086
malware.rfccarparkmanagement.co.uk:2095
malware.rfccarparkmanagement.co.uk:443
malware.rfccarparkmanagement.co.uk:2053
malware.rfccarparkmanagement.co.uk:2083
malware.rfccarparkmanagement.co.uk:2087
malware.rfccarparkmanagement.co.uk:2096
malware.rfccarparkmanagement.co.uk:8443

Mutex

KWPDBfWdYn0A

Attributes

delay
0
install
true
install_file
p51jsv.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 2 IoCs

rat

resource	yara_rule
behavioral1/files/0x0008000000024325-8.dat	family_asyncrat
behavioral1/memory/3216-13-0x0000000004CA0000-0x0000000004CB0000-memory.dmp	family_asyncrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe

Executes dropped EXE 2 IoCs

pid	Process
3216	p51jsv.exe
4296	p51jsv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	p51jsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	p51jsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1604	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
3136	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
Token: SeDebugPrivilege	3216	p51jsv.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 2760	5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe	85
PID 5032 wrote to memory of 1976	5032	124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe	87
PID 2760 wrote to memory of 3136	2760	cmd.exe	89
PID 1976 wrote to memory of 1604	1976	cmd.exe	90
PID 1976 wrote to memory of 4296	1976	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe
"C:\Users\Admin\AppData\Local\Temp\124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "p51jsv" /tr '"C:\Users\Admin\AppData\Roaming\p51jsv.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "p51jsv" /tr '"C:\Users\Admin\AppData\Roaming\p51jsv.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3136
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7625.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1976
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1604
- - C:\Users\Admin\AppData\Roaming\p51jsv.exe
    "C:\Users\Admin\AppData\Roaming\p51jsv.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4296

C:\Users\Admin\AppData\Roaming\p51jsv.exe
"C:\Users\Admin\AppData\Roaming\p51jsv.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3216

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

tmp7625.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp7625.tmp.bat
Size 150B
SHA256 89bacbda5b12209db86066d17ccdc1432b3f50c5a5f8df417dfe186ff9f8539e
MD5 3daa6ab9775819f5706ce35eb10a7476
SHA1 72caa070a00c4069a583492b56759a3dc48a8cf3
SHA512 a2788790fcddec869064fd1601586469a0d52389297d0eb63043989f0b9a4549eedefc7f4ffb582de581540eac34a91d2a1fc12f52fcfe6b50e343ea93ec3067
TLSH
T11EC08C4252C5AA4E6805941302BB948C9166A8293E40AB108348844D1280498E49A341
MD5 SHA1 SHA512 TLSH

Submit Download

p51jsv.exe

Path C:\Users\Admin\AppData\Roaming\p51jsv.exe
Size 45KB
SHA256 124fd8711dfce3ecbe19efe25b22087b6558155f14443c29c1c4e80ed06f265f
MD5 4f8ab10509d41dfa657bee7c451d9659
SHA1 05a62b153b6bea81905eeaa1c76675abe07f13cf
SHA512 43f809d227481725548b1bfa5e05e7aed37cae216f76b16525d9031610c1dd3fb0cd736170927656552f6fa98995c4bdcaac19665a7d44c64b2a8a6d90a3c8f9
SSDEEP 768:ru2n5T105n5WU9XuPmo2qbOGFZQjB4PIFfzjb3gX3i0pRj3SU4Os/BDZxx:ru2n5T1G62oqF9Ff3bQXS0pFgXdxx
TLSH
T11E231A003BE8812BF2BF5B78A9F26106867AF6733603E54D1CC451975713FC69A426EE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3216-10-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

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memory/3216-13-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

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memory/5032-0-0x0000000000120000-0x0000000000132000-memory.dmp

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memory/5032-1-0x0000000004BF0000-0x0000000004C00000-memory.dmp

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memory/5032-2-0x0000000004AE0000-0x0000000004B7C000-memory.dmp

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