asyncrat | fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d

Analysis

max time kernel
148s
max time network
150s
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, 17:45

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General

Target
fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
Size 45KB
Sample260710-wbr3dady4k
SHA256 fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d
MD5 2ab4b444733ebd48a600d333a4be93b0
SHA1 a76ad0335f396cca85d1fd248eba0e691ae43ce8
SHA512 62fbb74a0365eaf5bfb921198f327417937ec70a6aca6cd2c20ade10180d6f034510a4fc6b99f280bd54186f2c007ec5be654a836395d117c6783319dc7feaa0
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVQ0e3+Kv18iZPIezjb4g/3i9Puj+hhOL1M7QBDZEx:MuBGJTPho2n3T6iWe3bv/S9uchOL1M7h
TLSH
T12B232A0037E8812BF2BE4F78A9F26245867AF6673603D5891CC451DB5A13FC68A436FD
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

phimxxxhd.com:80
phimxxxhd.com:22
phimxxxhd.com:8080
phimxxxhd.com:8880
phimxxxhd.com:2052
phimxxxhd.com:2082
phimxxxhd.com:2086
phimxxxhd.com:2095
phimxxxhd.com:443
phimxxxhd.com:2053
phimxxxhd.com:2083
phimxxxhd.com:2087
phimxxxhd.com:2096
phimxxxhd.com:8443
www.phimxxxhd.com:80
www.phimxxxhd.com:22
www.phimxxxhd.com:8080
www.phimxxxhd.com:8880
www.phimxxxhd.com:2052
www.phimxxxhd.com:2082
www.phimxxxhd.com:2086
www.phimxxxhd.com:2095
www.phimxxxhd.com:443
www.phimxxxhd.com:2053
www.phimxxxhd.com:2083
www.phimxxxhd.com:2087
www.phimxxxhd.com:2096
www.phimxxxhd.com:8443
remcos.phimxxxhd.com:80
remcos.phimxxxhd.com:22
remcos.phimxxxhd.com:8080
remcos.phimxxxhd.com:8880
remcos.phimxxxhd.com:2052
remcos.phimxxxhd.com:2082
remcos.phimxxxhd.com:2086
remcos.phimxxxhd.com:2095
remcos.phimxxxhd.com:443
remcos.phimxxxhd.com:2053
remcos.phimxxxhd.com:2083
remcos.phimxxxhd.com:2087
remcos.phimxxxhd.com:2096
remcos.phimxxxhd.com:8443
formbook.phimxxxhd.com:80
formbook.phimxxxhd.com:22
formbook.phimxxxhd.com:8080
formbook.phimxxxhd.com:8880
formbook.phimxxxhd.com:2052
formbook.phimxxxhd.com:2082
formbook.phimxxxhd.com:2086
formbook.phimxxxhd.com:2095
formbook.phimxxxhd.com:443
formbook.phimxxxhd.com:2053
formbook.phimxxxhd.com:2083
formbook.phimxxxhd.com:2087
formbook.phimxxxhd.com:2096
formbook.phimxxxhd.com:8443
client.phimxxxhd.com:80
client.phimxxxhd.com:22
client.phimxxxhd.com:8080
client.phimxxxhd.com:8880
client.phimxxxhd.com:2052
client.phimxxxhd.com:2082
client.phimxxxhd.com:2086
client.phimxxxhd.com:2095
client.phimxxxhd.com:443
client.phimxxxhd.com:2053
client.phimxxxhd.com:2083
client.phimxxxhd.com:2087
client.phimxxxhd.com:2096
client.phimxxxhd.com:8443

Mutex

H9G6tmtnqMpX

Attributes

delay
0
install
true
install_file
hb9m.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/0x000e00000001c534-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2476	hb9m.exe
732	hb9m.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	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.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	hb9m.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hb9m.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
6092	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
3280	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
Token: SeDebugPrivilege	2476	hb9m.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 2996	4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe	87
PID 4788 wrote to memory of 2904	4788	fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe	89
PID 2996 wrote to memory of 3280	2996	cmd.exe	91
PID 2904 wrote to memory of 6092	2904	cmd.exe	92
PID 2904 wrote to memory of 732	2904	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe
"C:\Users\Admin\AppData\Local\Temp\fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "hb9m" /tr '"C:\Users\Admin\AppData\Roaming\hb9m.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "hb9m" /tr '"C:\Users\Admin\AppData\Roaming\hb9m.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3280
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD519.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:6092
- - C:\Users\Admin\AppData\Roaming\hb9m.exe
    "C:\Users\Admin\AppData\Roaming\hb9m.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:732

C:\Users\Admin\AppData\Roaming\hb9m.exe
"C:\Users\Admin\AppData\Roaming\hb9m.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2476

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

tmpD519.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpD519.tmp.bat
Size 148B
SHA256 c52e377b69501709cb0810443d7214d27d06316aa6fe1e3fa076ec0cdfa8024a
MD5 2219789b29ca822f908249cdeb7f009d
SHA1 0a9f27d72fd099a00a1f2ee60af981484c2ef31d
SHA512 d5fb77e70d9cf76c10739186f4e4b37b60c6a7ab8dc2bc842ba4ef3cf877b71f5ac1e7a324eb6ca1476d8ef65b8db65f39da42c1a78acc5c219fb3ff316d8376
TLSH
T100C02B5255C6EB1E3809641312FAD49C92B27C993F84BF00C304440D5280858F4D9385
MD5 SHA1 SHA512 TLSH

Submit Download

hb9m.exe

Path C:\Users\Admin\AppData\Roaming\hb9m.exe
Size 45KB
SHA256 fbdf45182efccc1d50d6305ad8b60e2957b89176361904092710af30a873441d
MD5 2ab4b444733ebd48a600d333a4be93b0
SHA1 a76ad0335f396cca85d1fd248eba0e691ae43ce8
SHA512 62fbb74a0365eaf5bfb921198f327417937ec70a6aca6cd2c20ade10180d6f034510a4fc6b99f280bd54186f2c007ec5be654a836395d117c6783319dc7feaa0
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVQ0e3+Kv18iZPIezjb4g/3i9Puj+hhOL1M7QBDZEx:MuBGJTPho2n3T6iWe3bv/S9uchOL1M7h
TLSH
T12B232A0037E8812BF2BE4F78A9F26245867AF6673603D5891CC451DB5A13FC68A436FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2476-12-0x0000000074220000-0x00000000749DC000-memory.dmp

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memory/2476-14-0x0000000074220000-0x00000000749DC000-memory.dmp

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memory/4788-0-0x0000000074432000-0x0000000074433000-memory.dmp

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memory/4788-1-0x0000000000580000-0x0000000000592000-memory.dmp

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memory/4788-2-0x0000000074420000-0x0000000074BDC000-memory.dmp

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memory/4788-3-0x00000000050B0000-0x000000000514C000-memory.dmp

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memory/4788-8-0x0000000074420000-0x0000000074BDC000-memory.dmp

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