asyncrat | b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/07/2026, 13:20

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General

Target
b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
Size 45KB
Sample260711-qlacesds4w
SHA256 b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845
MD5 83c18de3dcd725f0a6b93e1eee4f4b13
SHA1 592f647f3545e41b2558b6c7c097d1c5cac3af71
SHA512 71d7725a8b4f0ff715d4ca2bac387491a45d4f7fc4656d00d278b0707c26be1d095e0168443fe0ffcf19368a3779d326fc26f69503e3e94b2657cc38d1bea514
SSDEEP 768:Iuq04JTLcsP8EWUmOTymo2qAMsD/pneqPIkzjb9gX3ibIbuOQZQU+BpQPBDZox:IuqNJTLr62csjJeTk3bqXSbIbu5ZQ1+y
TLSH
T14C232A003BE9852BF2BE5F7899F26145867AF2633603D5492C8042DB5713FC6D682AFD
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

dagatructiep67.credit:80
dagatructiep67.credit:22
dagatructiep67.credit:8080
dagatructiep67.credit:8880
dagatructiep67.credit:2052
dagatructiep67.credit:2082
dagatructiep67.credit:2086
dagatructiep67.credit:2095
dagatructiep67.credit:443
dagatructiep67.credit:2053
dagatructiep67.credit:2083
dagatructiep67.credit:2087
dagatructiep67.credit:2096
dagatructiep67.credit:8443
www.dagatructiep67.credit:80
www.dagatructiep67.credit:22
www.dagatructiep67.credit:8080
www.dagatructiep67.credit:8880
www.dagatructiep67.credit:2052
www.dagatructiep67.credit:2082
www.dagatructiep67.credit:2086
www.dagatructiep67.credit:2095
www.dagatructiep67.credit:443
www.dagatructiep67.credit:2053
www.dagatructiep67.credit:2083
www.dagatructiep67.credit:2087
www.dagatructiep67.credit:2096
www.dagatructiep67.credit:8443
klez.dagatructiep67.credit:80
klez.dagatructiep67.credit:22
klez.dagatructiep67.credit:8080
klez.dagatructiep67.credit:8880
klez.dagatructiep67.credit:2052
klez.dagatructiep67.credit:2082
klez.dagatructiep67.credit:2086
klez.dagatructiep67.credit:2095
klez.dagatructiep67.credit:443
klez.dagatructiep67.credit:2053
klez.dagatructiep67.credit:2083
klez.dagatructiep67.credit:2087
klez.dagatructiep67.credit:2096
klez.dagatructiep67.credit:8443
malware.dagatructiep67.credit:80
malware.dagatructiep67.credit:22
malware.dagatructiep67.credit:8080
malware.dagatructiep67.credit:8880
malware.dagatructiep67.credit:2052
malware.dagatructiep67.credit:2082
malware.dagatructiep67.credit:2086
malware.dagatructiep67.credit:2095
malware.dagatructiep67.credit:443
malware.dagatructiep67.credit:2053
malware.dagatructiep67.credit:2083
malware.dagatructiep67.credit:2087
malware.dagatructiep67.credit:2096
malware.dagatructiep67.credit:8443
conti.dagatructiep67.credit:80
conti.dagatructiep67.credit:22
conti.dagatructiep67.credit:8080
conti.dagatructiep67.credit:8880
conti.dagatructiep67.credit:2052
conti.dagatructiep67.credit:2082
conti.dagatructiep67.credit:2086
conti.dagatructiep67.credit:2095
conti.dagatructiep67.credit:443
conti.dagatructiep67.credit:2053
conti.dagatructiep67.credit:2083
conti.dagatructiep67.credit:2087
conti.dagatructiep67.credit:2096
conti.dagatructiep67.credit:8443

Mutex

qEajMoF4GmW7

Attributes

delay
0
install
true
install_file
0vsv.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/0x000e00000001c328-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3812	0vsv.exe
3368	0vsv.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0vsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0vsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.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
4508	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
3732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
Token: SeDebugPrivilege	3812	0vsv.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 4128	2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe	87
PID 2004 wrote to memory of 5860	2004	b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe	88
PID 4128 wrote to memory of 3732	4128	cmd.exe	91
PID 5860 wrote to memory of 4508	5860	cmd.exe	92
PID 5860 wrote to memory of 3368	5860	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe
"C:\Users\Admin\AppData\Local\Temp\b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "0vsv" /tr '"C:\Users\Admin\AppData\Roaming\0vsv.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4128
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "0vsv" /tr '"C:\Users\Admin\AppData\Roaming\0vsv.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3732
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC5EB.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5860
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4508
- - C:\Users\Admin\AppData\Roaming\0vsv.exe
    "C:\Users\Admin\AppData\Roaming\0vsv.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3368

C:\Users\Admin\AppData\Roaming\0vsv.exe
"C:\Users\Admin\AppData\Roaming\0vsv.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3812

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

tmpC5EB.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpC5EB.tmp.bat
Size 148B
SHA256 91f12175815264e535072b00ce30bd61c86434e3c7f623c7852ec87b79d6bb40
MD5 f4630efcde1e07bd65a7c3600f272cc9
SHA1 cb15e8f75063d0798df575279d61ab402a14cebd
SHA512 5491dc3d0d17cf225d0bc31ed033cbd935dba4fc00c2f9be12da947a3a613ff5ad9b9312f967416e74256c8a263044b9b65972694f51069159a22b850ebe81ff
TLSH
T17AC02B5362C9EB4E3905541312FED48EA17A7C2D7F40BB10C344400D1780C48F0D9346
MD5 SHA1 SHA512 TLSH

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0vsv.exe

Path C:\Users\Admin\AppData\Roaming\0vsv.exe
Size 45KB
SHA256 b9ca39a97cfa8fa9b4447249d3801b6d0e8f001ca58cb8053b84a7a39cb25845
MD5 83c18de3dcd725f0a6b93e1eee4f4b13
SHA1 592f647f3545e41b2558b6c7c097d1c5cac3af71
SHA512 71d7725a8b4f0ff715d4ca2bac387491a45d4f7fc4656d00d278b0707c26be1d095e0168443fe0ffcf19368a3779d326fc26f69503e3e94b2657cc38d1bea514
SSDEEP 768:Iuq04JTLcsP8EWUmOTymo2qAMsD/pneqPIkzjb9gX3ibIbuOQZQU+BpQPBDZox:IuqNJTLr62csjJeTk3bqXSbIbu5ZQ1+y
TLSH
T14C232A003BE9852BF2BE5F7899F26145867AF2633603D5492C8042DB5713FC6D682AFD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2004-0-0x0000000074DB2000-0x0000000074DB3000-memory.dmp

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memory/2004-1-0x00000000002E0000-0x00000000002F2000-memory.dmp

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memory/2004-2-0x0000000074DA0000-0x000000007555C000-memory.dmp

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memory/2004-3-0x0000000004E90000-0x0000000004F2C000-memory.dmp

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memory/2004-8-0x0000000074DA0000-0x000000007555C000-memory.dmp

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memory/3812-12-0x0000000074C30000-0x00000000753EC000-memory.dmp

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memory/3812-14-0x0000000074C30000-0x00000000753EC000-memory.dmp

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