asyncrat | d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465

Analysis

max time kernel
150s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 09:46

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General

Target
d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
Size 45KB
Sample260804-lrpl3sxarf
SHA256 d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465
MD5 80136028ec2d572727b930ffc9d7c318
SHA1 15313cf7997965481775cd50815b8a9d261211ce
SHA512 51a3ab3ae7d91d17062719917eb2f74326085777ab890ad7dfac8878ad8fedfc6173bcd1ed860770b57caee3923a9ddf26ea3d0ac143650ba5d78913754e913d
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlKm/9GgrOPIRzjbigX3iu4SbpSzvBDZMx:wuDWZTpMZSB2Bm1b3R3bFXSApSVdMx
TLSH
T10F232A003BE8822BF2BE4F789DF25145467AF6B36603D5491CC4519B4723FC69A426FE
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

phimsexvnn.com:80
phimsexvnn.com:22
phimsexvnn.com:8080
phimsexvnn.com:8880
phimsexvnn.com:2052
phimsexvnn.com:2082
phimsexvnn.com:2086
phimsexvnn.com:2095
phimsexvnn.com:443
phimsexvnn.com:2053
phimsexvnn.com:2083
phimsexvnn.com:2087
phimsexvnn.com:2096
phimsexvnn.com:8443
www.phimsexvnn.com:80
www.phimsexvnn.com:22
www.phimsexvnn.com:8080
www.phimsexvnn.com:8880
www.phimsexvnn.com:2052
www.phimsexvnn.com:2082
www.phimsexvnn.com:2086
www.phimsexvnn.com:2095
www.phimsexvnn.com:443
www.phimsexvnn.com:2053
www.phimsexvnn.com:2083
www.phimsexvnn.com:2087
www.phimsexvnn.com:2096
www.phimsexvnn.com:8443
malware.phimsexvnn.com:80
malware.phimsexvnn.com:22
malware.phimsexvnn.com:8080
malware.phimsexvnn.com:8880
malware.phimsexvnn.com:2052
malware.phimsexvnn.com:2082
malware.phimsexvnn.com:2086
malware.phimsexvnn.com:2095
malware.phimsexvnn.com:443
malware.phimsexvnn.com:2053
malware.phimsexvnn.com:2083
malware.phimsexvnn.com:2087
malware.phimsexvnn.com:2096
malware.phimsexvnn.com:8443

Mutex

I8i8ysaOuA7S

Attributes

delay
0
install
true
install_file
di0df.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/0x001100000001c4fd-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5960	di0df.exe
3108	di0df.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
2152	cmd.exe
2416	cmd.exe

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	di0df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	di0df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5804	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
1380	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
Token: SeDebugPrivilege	5960	di0df.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 6016 wrote to memory of 2152	6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe	89
PID 6016 wrote to memory of 2416	6016	d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe	90
PID 2152 wrote to memory of 1380	2152	cmd.exe	93
PID 2416 wrote to memory of 5804	2416	cmd.exe	94
PID 2416 wrote to memory of 3108	2416	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe
"C:\Users\Admin\AppData\Local\Temp\d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:6016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "di0df" /tr '"C:\Users\Admin\AppData\Roaming\di0df.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2152
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "di0df" /tr '"C:\Users\Admin\AppData\Roaming\di0df.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1380
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp52D9.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5804
- - C:\Users\Admin\AppData\Roaming\di0df.exe
    "C:\Users\Admin\AppData\Roaming\di0df.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3108

C:\Users\Admin\AppData\Roaming\di0df.exe
"C:\Users\Admin\AppData\Roaming\di0df.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5960

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

tmp52D9.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp52D9.tmp.bat
Size 149B
SHA256 c9bddcb5b447e52d4183d7416d3ac8e1de408a2fd35b2fb6a46f5ad8ed9005fc
MD5 578436fbee6b62c296b1bd907d9f158a
SHA1 128b2939e018d7c1a3145ac380c4113972597f83
SHA512 acf3e7990ba504bea10bf073f63a887516efc40ff4aef90ecabb7fd1ea618eedb937a7b03a1d375a1c94e8eef5a953b0a052493a27b8bf575e263a9d178659be
TLSH
T1E3C02B6261C6FA3E380A145302FAD98DE172AC2A3F40BB10C714800F128044EF4D9381
MD5 SHA1 SHA512 TLSH

Submit Download

di0df.exe

Path C:\Users\Admin\AppData\Roaming\di0df.exe
Size 45KB
SHA256 d1353636fb357ce5720863f9c46091f910076be6661402a8a145ea0826cba465
MD5 80136028ec2d572727b930ffc9d7c318
SHA1 15313cf7997965481775cd50815b8a9d261211ce
SHA512 51a3ab3ae7d91d17062719917eb2f74326085777ab890ad7dfac8878ad8fedfc6173bcd1ed860770b57caee3923a9ddf26ea3d0ac143650ba5d78913754e913d
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlKm/9GgrOPIRzjbigX3iu4SbpSzvBDZMx:wuDWZTpMZSB2Bm1b3R3bFXSApSVdMx
TLSH
T10F232A003BE8822BF2BE4F789DF25145467AF6B36603D5491CC4519B4723FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/5960-12-0x0000000074110000-0x00000000748CC000-memory.dmp

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memory/5960-14-0x0000000074110000-0x00000000748CC000-memory.dmp

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memory/6016-0-0x00000000742A2000-0x00000000742A3000-memory.dmp

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memory/6016-1-0x0000000000940000-0x0000000000952000-memory.dmp

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memory/6016-2-0x0000000074290000-0x0000000074A4C000-memory.dmp

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memory/6016-3-0x00000000054E0000-0x000000000557C000-memory.dmp

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memory/6016-8-0x0000000074290000-0x0000000074A4C000-memory.dmp

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