asyncrat | d98c2f509813182582053390a4285ab5849cf43cd48f033803ac8006eb3e9d24

Analysis

max time kernel
149s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/06/2026, 09:15

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General

Target
pasdlcc.exe
Size 45KB
Sample260620-k754bsd16p
SHA256 d98c2f509813182582053390a4285ab5849cf43cd48f033803ac8006eb3e9d24
MD5 9702dcafe3f3174d0f13bdcf53bbdc28
SHA1 493057fc07b87380e2e5f1b715479770fa18b276
SHA512 3b2d5249e8b3375098d4f26e02c3e4765f6e35ec65c8d7c18d35749a2dd5491d93f0cbd8728fee4ee8b8cd5d63de90bdd9bd2861b9c9de4fa34b011b490b4901
SSDEEP 768:huyF4NTdMCbRWUJDObmo2qLHozfy3CKPI0ZjbugX3iF0y/guYSJYUBDZDx:huyF4NTdxe2fTR0ZbRXSF0ybYSyidDx
TLSH
T14F232A003BE9812BF2BF5B78A9F25145467AF5633A03D6491CC411DB5B13FC68A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

admin defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Admin

phimsextoptv.com:80
phimsextoptv.com:443
www.phimsextoptv.com:80
www.phimsextoptv.com:443
uclasd.phimsextoptv.com:80
uclasd.phimsextoptv.com:443
hdfogu.phimsextoptv.com:80
hdfogu.phimsextoptv.com:443

Mutex

cbhShePdNK2W

Attributes

delay
3
install
true
install_file
pasdlcc.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/0x000300000001b902-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2640	pasdlcc.exe
456	pasdlcc.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	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	pasdlcc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pasdlcc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pasdlcc.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4428	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
4528	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe
3000	pasdlcc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	pasdlcc.exe
Token: SeDebugPrivilege	2640	pasdlcc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 4540	3000	pasdlcc.exe	90
PID 3000 wrote to memory of 1252	3000	pasdlcc.exe	92
PID 1252 wrote to memory of 4428	1252	cmd.exe	94
PID 4540 wrote to memory of 4528	4540	cmd.exe	95
PID 1252 wrote to memory of 456	1252	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\pasdlcc.exe
"C:\Users\Admin\AppData\Local\Temp\pasdlcc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "pasdlcc" /tr '"C:\Users\Admin\AppData\Roaming\pasdlcc.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4540
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "pasdlcc" /tr '"C:\Users\Admin\AppData\Roaming\pasdlcc.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4528
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCF70.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4428
- - C:\Users\Admin\AppData\Roaming\pasdlcc.exe
    "C:\Users\Admin\AppData\Roaming\pasdlcc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:456

C:\Users\Admin\AppData\Roaming\pasdlcc.exe
"C:\Users\Admin\AppData\Roaming\pasdlcc.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2640

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

tmpCF70.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpCF70.tmp.bat
Size 151B
SHA256 6d977d11d2334f0c74a60698a8a496e49a2737edfeaaf28a98032e03926dd8f8
MD5 d23c76fa370c41856091fa85145c4c53
SHA1 36b2c485bbdc8fa4b4c9c4f453a91ec27de8aef4
SHA512 84a4b3e08b4038c54d9698aa7a041af24c9e233731fe0c223b67ad43422fbd2b6260ac7e965808cfba0ee727d93d4e3e9142c6f7e9e36617b275b8a17905cc9e
TLSH
T198C02B4252C6EB5E7C09742303FAD4CCA272AC197F80BB40C304805D1BC04C8F0EA385
MD5 SHA1 SHA512 TLSH

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pasdlcc.exe

Path C:\Users\Admin\AppData\Roaming\pasdlcc.exe
Size 45KB
SHA256 d98c2f509813182582053390a4285ab5849cf43cd48f033803ac8006eb3e9d24
MD5 9702dcafe3f3174d0f13bdcf53bbdc28
SHA1 493057fc07b87380e2e5f1b715479770fa18b276
SHA512 3b2d5249e8b3375098d4f26e02c3e4765f6e35ec65c8d7c18d35749a2dd5491d93f0cbd8728fee4ee8b8cd5d63de90bdd9bd2861b9c9de4fa34b011b490b4901
SSDEEP 768:huyF4NTdMCbRWUJDObmo2qLHozfy3CKPI0ZjbugX3iF0y/guYSJYUBDZDx:huyF4NTdxe2fTR0ZbRXSF0ybYSyidDx
TLSH
T14F232A003BE9812BF2BF5B78A9F25145467AF5633A03D6491CC411DB5B13FC68A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2640-12-0x0000000074E10000-0x00000000755CC000-memory.dmp

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memory/2640-14-0x0000000074E10000-0x00000000755CC000-memory.dmp

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memory/3000-0-0x0000000074E92000-0x0000000074E93000-memory.dmp

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memory/3000-1-0x0000000000FF0000-0x0000000001002000-memory.dmp

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memory/3000-2-0x0000000074E80000-0x000000007563C000-memory.dmp

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memory/3000-3-0x0000000005A10000-0x0000000005AAC000-memory.dmp

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memory/3000-8-0x0000000074E80000-0x000000007563C000-memory.dmp

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