asyncrat | 39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07

Analysis

max time kernel
6s
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
15/08/2026, 15:00

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General

Target
39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
Size 45KB
Sample260815-sdtr7syzes
SHA256 39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07
MD5 45f4054e6fe8db73ac493a4710f0f099
SHA1 b0119e27de7cb7a41de37872986584769e6e0047
SHA512 76e79104a257acf2a4f50c93df2d992f2a97c28fb59f7f6335e1e825277381773c22235511453c04a62f33a4217858bb5ffcb35d0d056f3ec9b40954a7b32ac4
SSDEEP 768:ku40ZTX3uXTaWUgzW0mo2qwshk6K7OOPIzzjbNFgw3iSFf97CPokaj5xTBDZMx:ku40ZTXEb246VO3z3bNCwSSFfBPZdMx
TLSH
T117232A003BE8C22BF2BE4F7899F26145467AF6636603D5891CC451DB5B13FC68A426FE
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

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
conficker.ads.zorvec.name:80
conficker.ads.zorvec.name:22
conficker.ads.zorvec.name:8080
conficker.ads.zorvec.name:8880
conficker.ads.zorvec.name:2052
conficker.ads.zorvec.name:2082
conficker.ads.zorvec.name:2086
conficker.ads.zorvec.name:2095
conficker.ads.zorvec.name:443
conficker.ads.zorvec.name:2053
conficker.ads.zorvec.name:2083
conficker.ads.zorvec.name:2087
conficker.ads.zorvec.name:2096
conficker.ads.zorvec.name:8443
sodinokibi.ads.zorvec.name:80
sodinokibi.ads.zorvec.name:22
sodinokibi.ads.zorvec.name:8080
sodinokibi.ads.zorvec.name:8880
sodinokibi.ads.zorvec.name:2052
sodinokibi.ads.zorvec.name:2082
sodinokibi.ads.zorvec.name:2086
sodinokibi.ads.zorvec.name:2095
sodinokibi.ads.zorvec.name:443
sodinokibi.ads.zorvec.name:2053
sodinokibi.ads.zorvec.name:2083
sodinokibi.ads.zorvec.name:2087
sodinokibi.ads.zorvec.name:2096
sodinokibi.ads.zorvec.name:8443
iloveyou.ads.zorvec.name:80
iloveyou.ads.zorvec.name:22
iloveyou.ads.zorvec.name:8080
iloveyou.ads.zorvec.name:8880
iloveyou.ads.zorvec.name:2052
iloveyou.ads.zorvec.name:2082
iloveyou.ads.zorvec.name:2086
iloveyou.ads.zorvec.name:2095
iloveyou.ads.zorvec.name:443
iloveyou.ads.zorvec.name:2053
iloveyou.ads.zorvec.name:2083
iloveyou.ads.zorvec.name:2087
iloveyou.ads.zorvec.name:2096
iloveyou.ads.zorvec.name:8443

Mutex

qYsFF1nW3hwY

Attributes

delay
0
install
true
install_file
5gw4h.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/0x000d00000001c58d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1812	5gw4h.exe
5456	5gw4h.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
2656	cmd.exe
5968	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	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.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	5gw4h.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5gw4h.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3524	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
4608	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
Token: SeDebugPrivilege	1812	5gw4h.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5364 wrote to memory of 2656	5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe	89
PID 5364 wrote to memory of 5968	5364	39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe	91
PID 2656 wrote to memory of 4608	2656	cmd.exe	93
PID 5968 wrote to memory of 3524	5968	cmd.exe	94
PID 5968 wrote to memory of 5456	5968	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe
"C:\Users\Admin\AppData\Local\Temp\39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "5gw4h" /tr '"C:\Users\Admin\AppData\Roaming\5gw4h.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "5gw4h" /tr '"C:\Users\Admin\AppData\Roaming\5gw4h.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4608
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6CF9.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5968
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3524
- - C:\Users\Admin\AppData\Roaming\5gw4h.exe
    "C:\Users\Admin\AppData\Roaming\5gw4h.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5456

C:\Users\Admin\AppData\Roaming\5gw4h.exe
"C:\Users\Admin\AppData\Roaming\5gw4h.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1812

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

tmp6CF9.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6CF9.tmp.bat
Size 149B
SHA256 3c1920bcdc4755f411117d46e476d39d46163d92acb1de2a6ba1d84fe416fcdc
MD5 947c5ebf9d62c45717adaea590d9a33c
SHA1 73af9049c5af8b49c22201115f6197e46f63950e
SHA512 c965289ff857607cf03ad67cd5447e7f6da2a159882402f061d0ca4085e94f314837b3184daf091f5da4ad39ad5f33da7f2b6381cc7d53ea9d2b540c5fff049b
TLSH
T123C02B82D1CAEE1EBE05142302FBD58C91766C193FC0BB00C708404DA68088CF0D9741
MD5 SHA1 SHA512 TLSH

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5gw4h.exe

Path C:\Users\Admin\AppData\Roaming\5gw4h.exe
Size 45KB
SHA256 39c4bd79dc36991a52c1d94d94888482b1008242cd7af85a68f89cc6191c6e07
MD5 45f4054e6fe8db73ac493a4710f0f099
SHA1 b0119e27de7cb7a41de37872986584769e6e0047
SHA512 76e79104a257acf2a4f50c93df2d992f2a97c28fb59f7f6335e1e825277381773c22235511453c04a62f33a4217858bb5ffcb35d0d056f3ec9b40954a7b32ac4
SSDEEP 768:ku40ZTX3uXTaWUgzW0mo2qwshk6K7OOPIzzjbNFgw3iSFf97CPokaj5xTBDZMx:ku40ZTXEb246VO3z3bNCwSSFfBPZdMx
TLSH
T117232A003BE8C22BF2BE4F7899F26145467AF6636603D5891CC451DB5B13FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1812-12-0x00000000749F0000-0x00000000751AC000-memory.dmp

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memory/1812-14-0x00000000749F0000-0x00000000751AC000-memory.dmp

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memory/5364-0-0x0000000074A02000-0x0000000074A03000-memory.dmp

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memory/5364-1-0x00000000000A0000-0x00000000000B2000-memory.dmp

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memory/5364-2-0x00000000749F0000-0x00000000751AC000-memory.dmp

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memory/5364-3-0x0000000004AC0000-0x0000000004B5C000-memory.dmp

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memory/5364-8-0x00000000749F0000-0x00000000751AC000-memory.dmp

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