asyncrat | 821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52

Analysis

max time kernel
148s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/07/2026, 12:31

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General

Target
821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
Size 45KB
Sample260714-pqkhhsfv3x
SHA256 821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52
MD5 acbab009dd8fbcff60265a0001911072
SHA1 de0bb1e06d390b6eae94838440ca1e6114511d2a
SHA512 50187bf60596e7d20004120281cda87013d64ecb325ee0f42de6f37a5c09ff89ff9efec7c8222b707d5c870c8f881c59fb8e284ce9f6885e3e8eda5d2db06279
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1ya0CnAaRRnsfPIzzsbhgX3i04we8km3BigBEwvmBDg:cuR0JTPjY2vgn9I4zwbOXS04Z0nBEwvj
TLSH
T176231A0037E9812BF2BE4F7868F26145867BF6632603D6491CC451DB4A23FC69A52AED
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

phimsexlondep.net:80
phimsexlondep.net:22
phimsexlondep.net:8080
phimsexlondep.net:8880
phimsexlondep.net:2052
phimsexlondep.net:2082
phimsexlondep.net:2086
phimsexlondep.net:2095
phimsexlondep.net:443
phimsexlondep.net:2053
phimsexlondep.net:2083
phimsexlondep.net:2087
phimsexlondep.net:2096
phimsexlondep.net:8443
www.phimsexlondep.net:80
www.phimsexlondep.net:22
www.phimsexlondep.net:8080
www.phimsexlondep.net:8880
www.phimsexlondep.net:2052
www.phimsexlondep.net:2082
www.phimsexlondep.net:2086
www.phimsexlondep.net:2095
www.phimsexlondep.net:443
www.phimsexlondep.net:2053
www.phimsexlondep.net:2083
www.phimsexlondep.net:2087
www.phimsexlondep.net:2096
www.phimsexlondep.net:8443
malware.phimsexlondep.net:80
malware.phimsexlondep.net:22
malware.phimsexlondep.net:8080
malware.phimsexlondep.net:8880
malware.phimsexlondep.net:2052
malware.phimsexlondep.net:2082
malware.phimsexlondep.net:2086
malware.phimsexlondep.net:2095
malware.phimsexlondep.net:443
malware.phimsexlondep.net:2053
malware.phimsexlondep.net:2083
malware.phimsexlondep.net:2087
malware.phimsexlondep.net:2096
malware.phimsexlondep.net:8443
mirai.phimsexlondep.net:80
mirai.phimsexlondep.net:22
mirai.phimsexlondep.net:8080
mirai.phimsexlondep.net:8880
mirai.phimsexlondep.net:2052
mirai.phimsexlondep.net:2082
mirai.phimsexlondep.net:2086
mirai.phimsexlondep.net:2095
mirai.phimsexlondep.net:443
mirai.phimsexlondep.net:2053
mirai.phimsexlondep.net:2083
mirai.phimsexlondep.net:2087
mirai.phimsexlondep.net:2096
mirai.phimsexlondep.net:8443

Mutex

qE2QBATYdyZT

Attributes

delay
0
install
true
install_file
4hle.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/0x000e00000001c4e5-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4484	4hle.exe
3324	4hle.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	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.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	4hle.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4hle.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4964	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
4568	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 1948	1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe	87
PID 1568 wrote to memory of 4080	1568	821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe	88
PID 1948 wrote to memory of 4568	1948	cmd.exe	91
PID 4080 wrote to memory of 4964	4080	cmd.exe	92
PID 4080 wrote to memory of 3324	4080	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe
"C:\Users\Admin\AppData\Local\Temp\821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "4hle" /tr '"C:\Users\Admin\AppData\Roaming\4hle.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "4hle" /tr '"C:\Users\Admin\AppData\Roaming\4hle.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4568
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2DAD.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4080
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4964
- - C:\Users\Admin\AppData\Roaming\4hle.exe
    "C:\Users\Admin\AppData\Roaming\4hle.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3324

C:\Users\Admin\AppData\Roaming\4hle.exe
"C:\Users\Admin\AppData\Roaming\4hle.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4484

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

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

tmp2DAD.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp2DAD.tmp.bat
Size 148B
SHA256 f2d7710394d3197862b0514f3786ffdd9c884e50bb18bf1a2665ef75f7766767
MD5 3065449bf44e46d94f8ae785a66fed1b
SHA1 21689f4c2f421935589ade28ec134f79801c0f31
SHA512 00a147c86b7082f4074282ba3e0e8b023957c22d1661bf0409018b1cdce785748007886d33715f30f5fe2057d8e11dca09176ffdf177df3a9a4c8c403ae3284b
TLSH
T169C02B52A1C5EB1E6C05941307FED4DD91F2AC593FC0BB00D304440E6280948F5D9342
MD5 SHA1 SHA512 TLSH

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4hle.exe

Path C:\Users\Admin\AppData\Roaming\4hle.exe
Size 45KB
SHA256 821b176a42c4cac83e618ab432d60452528d8fe9e3ddcbf48e15efc10ef4ac52
MD5 acbab009dd8fbcff60265a0001911072
SHA1 de0bb1e06d390b6eae94838440ca1e6114511d2a
SHA512 50187bf60596e7d20004120281cda87013d64ecb325ee0f42de6f37a5c09ff89ff9efec7c8222b707d5c870c8f881c59fb8e284ce9f6885e3e8eda5d2db06279
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1ya0CnAaRRnsfPIzzsbhgX3i04we8km3BigBEwvmBDg:cuR0JTPjY2vgn9I4zwbOXS04Z0nBEwvj
TLSH
T176231A0037E9812BF2BE4F7868F26145867BF6632603D6491CC451DB4A23FC69A52AED
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1568-0-0x0000000074FD2000-0x0000000074FD3000-memory.dmp

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memory/1568-1-0x0000000000C00000-0x0000000000C12000-memory.dmp

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memory/1568-2-0x0000000074FC0000-0x000000007577C000-memory.dmp

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memory/1568-3-0x0000000005700000-0x000000000579C000-memory.dmp

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memory/1568-8-0x0000000074FC0000-0x000000007577C000-memory.dmp

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memory/4484-12-0x0000000074E60000-0x000000007561C000-memory.dmp

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memory/4484-14-0x0000000074E60000-0x000000007561C000-memory.dmp

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