asyncrat | 99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/07/2026, 14:33

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General

Target
99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
Size 45KB
Sample260710-rwv8babs8j
SHA256 99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518
MD5 e5031405cdb793e78469bd8db5d7bbf1
SHA1 636966081e4ead4ea2063fba17eddb5776252f72
SHA512 cc7533b3b91642d57876664d404b8ad2067f15c0ff0b5b3a85873f589d1b5f22468888108a97a01a8cdea5c5428d0b588779e25f5873b1c144cdb9dd0758f874
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9x/rL4PJZOPIcMzjbAgXviE0o+KtyBDZsx:EulCJTHl42ePUf3cM3bnXKE0oRMdsx
TLSH
T109232C0037E9822BF2BE4F78A8F26145867AF6633603D58E1CC451DB5613FC59A42AFD
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

phimsexvn.work:80
phimsexvn.work:22
phimsexvn.work:8080
phimsexvn.work:8880
phimsexvn.work:2052
phimsexvn.work:2082
phimsexvn.work:2086
phimsexvn.work:2095
phimsexvn.work:443
phimsexvn.work:2053
phimsexvn.work:2083
phimsexvn.work:2087
phimsexvn.work:2096
phimsexvn.work:8443
www.phimsexvn.work:80
www.phimsexvn.work:22
www.phimsexvn.work:8080
www.phimsexvn.work:8880
www.phimsexvn.work:2052
www.phimsexvn.work:2082
www.phimsexvn.work:2086
www.phimsexvn.work:2095
www.phimsexvn.work:443
www.phimsexvn.work:2053
www.phimsexvn.work:2083
www.phimsexvn.work:2087
www.phimsexvn.work:2096
www.phimsexvn.work:8443
mydoom.phimsexvn.work:80
mydoom.phimsexvn.work:22
mydoom.phimsexvn.work:8080
mydoom.phimsexvn.work:8880
mydoom.phimsexvn.work:2052
mydoom.phimsexvn.work:2082
mydoom.phimsexvn.work:2086
mydoom.phimsexvn.work:2095
mydoom.phimsexvn.work:443
mydoom.phimsexvn.work:2053
mydoom.phimsexvn.work:2083
mydoom.phimsexvn.work:2087
mydoom.phimsexvn.work:2096
mydoom.phimsexvn.work:8443
zbot.phimsexvn.work:80
zbot.phimsexvn.work:22
zbot.phimsexvn.work:8080
zbot.phimsexvn.work:8880
zbot.phimsexvn.work:2052
zbot.phimsexvn.work:2082
zbot.phimsexvn.work:2086
zbot.phimsexvn.work:2095
zbot.phimsexvn.work:443
zbot.phimsexvn.work:2053
zbot.phimsexvn.work:2083
zbot.phimsexvn.work:2087
zbot.phimsexvn.work:2096
zbot.phimsexvn.work:8443
malware.phimsexvn.work:80
malware.phimsexvn.work:22
malware.phimsexvn.work:8080
malware.phimsexvn.work:8880
malware.phimsexvn.work:2052
malware.phimsexvn.work:2082
malware.phimsexvn.work:2086
malware.phimsexvn.work:2095
malware.phimsexvn.work:443
malware.phimsexvn.work:2053
malware.phimsexvn.work:2083
malware.phimsexvn.work:2087
malware.phimsexvn.work:2096
malware.phimsexvn.work:8443

Mutex

i93wFsDDXZiH

Attributes

delay
0
install
true
install_file
h2pmep.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/0x0005000000016b3f-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3508	h2pmep.exe
5720	h2pmep.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	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.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	h2pmep.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	h2pmep.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5680	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
4620	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
Token: SeDebugPrivilege	3508	h2pmep.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 4340	2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe	87
PID 2804 wrote to memory of 1812	2804	99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe	88
PID 4340 wrote to memory of 4620	4340	cmd.exe	91
PID 1812 wrote to memory of 5680	1812	cmd.exe	92
PID 1812 wrote to memory of 5720	1812	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe
"C:\Users\Admin\AppData\Local\Temp\99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "h2pmep" /tr '"C:\Users\Admin\AppData\Roaming\h2pmep.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4340
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "h2pmep" /tr '"C:\Users\Admin\AppData\Roaming\h2pmep.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4620
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp19E7.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1812
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5680
- - C:\Users\Admin\AppData\Roaming\h2pmep.exe
    "C:\Users\Admin\AppData\Roaming\h2pmep.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5720

C:\Users\Admin\AppData\Roaming\h2pmep.exe
"C:\Users\Admin\AppData\Roaming\h2pmep.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3508

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

Replay Monitor

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Downloads

tmp19E7.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp19E7.tmp.bat
Size 150B
SHA256 dbd288a05bc9f70141f1e94211bc3de68eebd1a35f87e175faf62be453d8b544
MD5 c07719bc4473cd924483f3b3954e1c26
SHA1 ff65e278e71d54185c34a7101a2fadeb5fa7d1f3
SHA512 5102c44e58dec9ff8eac467e316d89840ddd4ab3cae772b24a7ecd50a6b07deb86bc9e14c55a800e500ce2ecbbc717f2962ff694e8e91caf7c88b88f5202caf0
TLSH
T1FDC02B4765CAEB0F280D242306FAD88C91B26D1D3F40BB00C748440D6280C48F0DE386
MD5 SHA1 SHA512 TLSH

Submit Download

h2pmep.exe

Path C:\Users\Admin\AppData\Roaming\h2pmep.exe
Size 45KB
SHA256 99f141a258f605008286a2afce36051bc4286b1a1e5bbc964e881f81d2b2d518
MD5 e5031405cdb793e78469bd8db5d7bbf1
SHA1 636966081e4ead4ea2063fba17eddb5776252f72
SHA512 cc7533b3b91642d57876664d404b8ad2067f15c0ff0b5b3a85873f589d1b5f22468888108a97a01a8cdea5c5428d0b588779e25f5873b1c144cdb9dd0758f874
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9x/rL4PJZOPIcMzjbAgXviE0o+KtyBDZsx:EulCJTHl42ePUf3cM3bnXKE0oRMdsx
TLSH
T109232C0037E9822BF2BE4F78A8F26145867AF6633603D58E1CC451DB5613FC59A42AFD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2804-0-0x0000000074452000-0x0000000074453000-memory.dmp

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memory/2804-1-0x0000000000040000-0x0000000000052000-memory.dmp

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memory/2804-2-0x0000000074440000-0x0000000074BFC000-memory.dmp

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memory/2804-3-0x0000000004B60000-0x0000000004BFC000-memory.dmp

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memory/2804-8-0x0000000074440000-0x0000000074BFC000-memory.dmp

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memory/3508-12-0x00000000742C0000-0x0000000074A7C000-memory.dmp

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memory/3508-14-0x00000000742C0000-0x0000000074A7C000-memory.dmp

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