asyncrat | 4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 12:26

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General

Target
4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
Size 45KB
Sample260821-pl6j7azelf
SHA256 4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb
MD5 2f13d2e00596175261d51c5bf3c55589
SHA1 927795e8ffde370f207c3755f5112f3348d3af06
SHA512 3b7f576468e760501ed3f6f8230e6604306c06e10d839f53fcf61c1d9c46a254938964f3a6ecd097e6dc10ea51569dc8b884b05ffe71b5b44fdaf1ae24e4f38e
SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q1WT9Qpm9PIhzjb/gX3iZVdoRkqT3r7BDZcx:RuxkJTgip2BQh3bIXSZsZ7tdcx
TLSH
T1E2233C003BE9823BF2BE4F78ACF26145857AF6632603D5492CC411DB5623FC5DA426FA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

ads.zorvec.name:80
ads.zorvec.name:22
ads.zorvec.name:8080
ads.zorvec.name:8880
ads.zorvec.name:2052
ads.zorvec.name:2082
ads.zorvec.name:2086
ads.zorvec.name:2095
ads.zorvec.name:443
ads.zorvec.name:2053
ads.zorvec.name:2083
ads.zorvec.name:2087
ads.zorvec.name:2096
ads.zorvec.name:8443
www.ads.zorvec.name:80
www.ads.zorvec.name:22
www.ads.zorvec.name:8080
www.ads.zorvec.name:8880
www.ads.zorvec.name:2052
www.ads.zorvec.name:2082
www.ads.zorvec.name:2086
www.ads.zorvec.name:2095
www.ads.zorvec.name:443
www.ads.zorvec.name:2053
www.ads.zorvec.name:2083
www.ads.zorvec.name:2087
www.ads.zorvec.name:2096
www.ads.zorvec.name:8443
gozi.ads.zorvec.name:80
gozi.ads.zorvec.name:22
gozi.ads.zorvec.name:8080
gozi.ads.zorvec.name:8880
gozi.ads.zorvec.name:2052
gozi.ads.zorvec.name:2082
gozi.ads.zorvec.name:2086
gozi.ads.zorvec.name:2095
gozi.ads.zorvec.name:443
gozi.ads.zorvec.name:2053
gozi.ads.zorvec.name:2083
gozi.ads.zorvec.name:2087
gozi.ads.zorvec.name:2096
gozi.ads.zorvec.name:8443
revil.ads.zorvec.name:80
revil.ads.zorvec.name:22
revil.ads.zorvec.name:8080
revil.ads.zorvec.name:8880
revil.ads.zorvec.name:2052
revil.ads.zorvec.name:2082
revil.ads.zorvec.name:2086
revil.ads.zorvec.name:2095
revil.ads.zorvec.name:443
revil.ads.zorvec.name:2053
revil.ads.zorvec.name:2083
revil.ads.zorvec.name:2087
revil.ads.zorvec.name:2096
revil.ads.zorvec.name:8443

Mutex

qD05JChVb6xE

Attributes

delay
0
install
true
install_file
mcdw88x4.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/0x000d00000001c5d7-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2908	mcdw88x4.exe
4212	mcdw88x4.exe

Outbound SSH connection to public host 2 TTPs 4 IoCs

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

command_and_control

Protocol Tunneling

T1572

Network Service Discovery

T1046

description	flow	ioc
SSH destination	3	104.21.28.44:22
SSH destination	4	172.67.144.58:22
SSH destination	8	104.21.28.44:22
SSH destination	9	172.67.144.58:22

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
5740	cmd.exe
3224	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	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.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	mcdw88x4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mcdw88x4.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
252	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
4364	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
Token: SeDebugPrivilege	2908	mcdw88x4.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 3224	1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe	89
PID 1972 wrote to memory of 5740	1972	4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe	91
PID 3224 wrote to memory of 4364	3224	cmd.exe	93
PID 5740 wrote to memory of 252	5740	cmd.exe	94
PID 5740 wrote to memory of 4212	5740	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe
"C:\Users\Admin\AppData\Local\Temp\4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "mcdw88x4" /tr '"C:\Users\Admin\AppData\Roaming\mcdw88x4.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3224
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "mcdw88x4" /tr '"C:\Users\Admin\AppData\Roaming\mcdw88x4.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4364
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA280.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5740
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:252
- - C:\Users\Admin\AppData\Roaming\mcdw88x4.exe
    "C:\Users\Admin\AppData\Roaming\mcdw88x4.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4212

C:\Users\Admin\AppData\Roaming\mcdw88x4.exe
"C:\Users\Admin\AppData\Roaming\mcdw88x4.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2908

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:4460

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

Network Service Discovery

T1046

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

T1572

Exfiltration

Impact

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Downloads

tmpA280.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpA280.tmp.bat
Size 152B
SHA256 81b80d4d8a68d24e105ac9c9fc127f9fb449a3f8a8253e1e6b5431e9dd662975
MD5 ad8e3f6e93c0c90e9fa6244e7221f09d
SHA1 ad76c55fadf31b6fff154568e07f1efc8d9cd727
SHA512 b741722385a57eadb41f2121809eaa26ba5792c208261173c21064b2030c0b15a2ca13d2c3449ffe171aa8e109a62efea3580e5722d838af6825de2393f2e967
TLSH
T1B8C02B4371C5EB5F6C0514170AFAD5CE92B2AC593F40FB00C344801D268049CF0E9381
MD5 SHA1 SHA512 TLSH

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mcdw88x4.exe

Path C:\Users\Admin\AppData\Roaming\mcdw88x4.exe
Size 45KB
SHA256 4c237d01287ba16c5070e04ab205600cf441c1c7940a9164ee7bd139a80254fb
MD5 2f13d2e00596175261d51c5bf3c55589
SHA1 927795e8ffde370f207c3755f5112f3348d3af06
SHA512 3b7f576468e760501ed3f6f8230e6604306c06e10d839f53fcf61c1d9c46a254938964f3a6ecd097e6dc10ea51569dc8b884b05ffe71b5b44fdaf1ae24e4f38e
SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q1WT9Qpm9PIhzjb/gX3iZVdoRkqT3r7BDZcx:RuxkJTgip2BQh3bIXSZsZ7tdcx
TLSH
T1E2233C003BE9823BF2BE4F78ACF26145857AF6632603D5492CC411DB5623FC5DA426FA
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1972-0-0x0000000074962000-0x0000000074963000-memory.dmp

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memory/1972-1-0x00000000003D0000-0x00000000003E2000-memory.dmp

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memory/1972-2-0x0000000074950000-0x000000007510C000-memory.dmp

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memory/1972-3-0x0000000004DB0000-0x0000000004E4C000-memory.dmp

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memory/1972-9-0x0000000074950000-0x000000007510C000-memory.dmp

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memory/2908-12-0x0000000074950000-0x000000007510C000-memory.dmp

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memory/2908-14-0x0000000074950000-0x000000007510C000-memory.dmp

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