asyncrat | 00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d

Analysis

max time kernel
6s
max time network
152s
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, 13:03

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General

Target
00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
Size 45KB
Sample260710-qav5rab16w
SHA256 00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d
MD5 a4168c30f0ce751dd72f57612b45573e
SHA1 d68b2e435415ffce75470cf11ed836e128106413
SHA512 c0fd8ba0b61026a969aecf470ed845755c2dd2a6e3609edefa7f81f5ba84080e3b2b9af63325de2314414c27986ddfc33309753fcc9932ab7ca2d612aba9645d
SSDEEP 768:suJdpTP3tcsWUODmqmo2qV2maPclm3API7zjbOgX3iff3kYWuDSW6BDZkx:suJdpTPdI2HfcE3l73bxXS33jWPWkdkx
TLSH
T143232B0037E8813BF2BE4F7899F26145867AF6637603D68A1CC451DB5723FC68A426ED
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
gozi.phimxxxhd.com:80
gozi.phimxxxhd.com:22
gozi.phimxxxhd.com:8080
gozi.phimxxxhd.com:8880
gozi.phimxxxhd.com:2052
gozi.phimxxxhd.com:2082
gozi.phimxxxhd.com:2086
gozi.phimxxxhd.com:2095
gozi.phimxxxhd.com:443
gozi.phimxxxhd.com:2053
gozi.phimxxxhd.com:2083
gozi.phimxxxhd.com:2087
gozi.phimxxxhd.com:2096
gozi.phimxxxhd.com:8443
sasser.phimxxxhd.com:80
sasser.phimxxxhd.com:22
sasser.phimxxxhd.com:8080
sasser.phimxxxhd.com:8880
sasser.phimxxxhd.com:2052
sasser.phimxxxhd.com:2082
sasser.phimxxxhd.com:2086
sasser.phimxxxhd.com:2095
sasser.phimxxxhd.com:443
sasser.phimxxxhd.com:2053
sasser.phimxxxhd.com:2083
sasser.phimxxxhd.com:2087
sasser.phimxxxhd.com:2096
sasser.phimxxxhd.com:8443
downadup.phimxxxhd.com:80
downadup.phimxxxhd.com:22
downadup.phimxxxhd.com:8080
downadup.phimxxxhd.com:8880
downadup.phimxxxhd.com:2052
downadup.phimxxxhd.com:2082
downadup.phimxxxhd.com:2086
downadup.phimxxxhd.com:2095
downadup.phimxxxhd.com:443
downadup.phimxxxhd.com:2053
downadup.phimxxxhd.com:2083
downadup.phimxxxhd.com:2087
downadup.phimxxxhd.com:2096
downadup.phimxxxhd.com:8443

Mutex

YLr6kz70UXDX

Attributes

delay
0
install
true
install_file
pdrn1dfw.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
5908	pdrn1dfw.exe
1084	pdrn1dfw.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pdrn1dfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pdrn1dfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4896	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
5072	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5360 wrote to memory of 5712	5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe	87
PID 5360 wrote to memory of 5520	5360	00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe	89
PID 5520 wrote to memory of 4896	5520	cmd.exe	91
PID 5712 wrote to memory of 5072	5712	cmd.exe	92
PID 5520 wrote to memory of 1084	5520	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe
"C:\Users\Admin\AppData\Local\Temp\00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5360
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "pdrn1dfw" /tr '"C:\Users\Admin\AppData\Roaming\pdrn1dfw.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5712
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "pdrn1dfw" /tr '"C:\Users\Admin\AppData\Roaming\pdrn1dfw.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5072
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4F8D.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5520
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4896
- - C:\Users\Admin\AppData\Roaming\pdrn1dfw.exe
    "C:\Users\Admin\AppData\Roaming\pdrn1dfw.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1084

C:\Users\Admin\AppData\Roaming\pdrn1dfw.exe
"C:\Users\Admin\AppData\Roaming\pdrn1dfw.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5908

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

tmp4F8D.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4F8D.tmp.bat
Size 152B
SHA256 f7552f2892977fcead54478ca9e289bc6b73cb4375747a9a7519ab5b78ef92fc
MD5 ac06aef960055f1cbf56473b92a8e4ab
SHA1 a951197a25eb5edf398d2327c6143fa55c1c8949
SHA512 db3ff4aacf844c87470879a9e41c6045c6b20cb3ba99827401dbd6006c3a41a7cc87d8d09c9345fe65e04c6cec8fba3d410f39cbd05201b3e542ec87d53b70a9
TLSH
T1B6C02B42D3C5EA9E2C4924530AFAD48DD172EC593FC0BB10D30480EE36C084AF0DA341
MD5 SHA1 SHA512 TLSH

Submit Download

pdrn1dfw.exe

Path C:\Users\Admin\AppData\Roaming\pdrn1dfw.exe
Size 45KB
SHA256 00c1535fc5bea10efa14db64a51f58f5bb0b2dd545c2f467ce15c13cc6b5388d
MD5 a4168c30f0ce751dd72f57612b45573e
SHA1 d68b2e435415ffce75470cf11ed836e128106413
SHA512 c0fd8ba0b61026a969aecf470ed845755c2dd2a6e3609edefa7f81f5ba84080e3b2b9af63325de2314414c27986ddfc33309753fcc9932ab7ca2d612aba9645d
SSDEEP 768:suJdpTP3tcsWUODmqmo2qV2maPclm3API7zjbOgX3iff3kYWuDSW6BDZkx:suJdpTPdI2HfcE3l73bxXS33jWPWkdkx
TLSH
T143232B0037E8813BF2BE4F7899F26145867AF6637603D68A1CC451DB5723FC68A426ED
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/5360-0-0x00000000742A2000-0x00000000742A3000-memory.dmp

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memory/5360-1-0x00000000006E0000-0x00000000006F2000-memory.dmp

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memory/5360-2-0x0000000074290000-0x0000000074A4C000-memory.dmp

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memory/5360-3-0x00000000050E0000-0x000000000517C000-memory.dmp

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memory/5360-9-0x0000000074290000-0x0000000074A4C000-memory.dmp

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memory/5908-12-0x0000000074290000-0x0000000074A4C000-memory.dmp

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memory/5908-14-0x0000000074290000-0x0000000074A4C000-memory.dmp

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