asyncrat | 612e3cc189a4978f2e4bc6502a4ce4fb2d8fbc17c85a3e5d6dc95d6c3fde40dc

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
26/06/2026, 02:05

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General

Target
bin.exe
Size 45KB
Sample260626-chz7sagw21
SHA256 612e3cc189a4978f2e4bc6502a4ce4fb2d8fbc17c85a3e5d6dc95d6c3fde40dc
MD5 990d6edf0d4978d4668cf0238044b8f4
SHA1 2eb7b98c1e7534f34ac61c59922e256425a2dfa7
SHA512 23ebf3bf06ab431147ec78aedc9da28d39b84568457982e2a2bec5c7b60c496f19c522314d02450784b22ce43ac1a8d41a99f5657e2e6a0f99dd65087be8a6f3
SSDEEP 768:luY69T3kH1jWUvTqRmo2qbOUPB+lOOFPIwzjbzgX3iHIOwCnBDZrx:luY69T34y2liUOOCw3bsXSo3CBdrx
TLSH
T1C5233B0037EC812BF2BE4F78A8F26145867AF2673A03D54D2CC4519B5613FC696526FE
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

xy8.io:443
xy8.io:80
xy8.io:25
xy8.io:8443
ugoclip.tv:443
ugoclip.tv:80
ugoclip.tv:25
ugoclip.tv:8443
sureblog.io:443
sureblog.io:80
sureblog.io:25
sureblog.io:8443
docarzt.io:443
docarzt.io:80
docarzt.io:25
docarzt.io:8443

Mutex

jTcmkUwXSyii

Attributes

delay
9
install
true
install_file
scl2.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/0x000e00000001c5b7-11.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4904	scl2.exe
4292	scl2.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	scl2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scl2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bin.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5248	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
1892	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe
5396	bin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5396	bin.exe
Token: SeDebugPrivilege	4904	scl2.exe
Token: SeDebugPrivilege	4904	scl2.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5396 wrote to memory of 2020	5396	bin.exe	89
PID 5396 wrote to memory of 1592	5396	bin.exe	90
PID 1592 wrote to memory of 5248	1592	cmd.exe	93
PID 2020 wrote to memory of 1892	2020	cmd.exe	94
PID 1592 wrote to memory of 4292	1592	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\bin.exe
"C:\Users\Admin\AppData\Local\Temp\bin.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "scl2" /tr '"C:\Users\Admin\AppData\Roaming\scl2.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2020
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "scl2" /tr '"C:\Users\Admin\AppData\Roaming\scl2.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1892
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp282F.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1592
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5248
- - C:\Users\Admin\AppData\Roaming\scl2.exe
    "C:\Users\Admin\AppData\Roaming\scl2.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4292

C:\Users\Admin\AppData\Roaming\scl2.exe
"C:\Users\Admin\AppData\Roaming\scl2.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4904

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

tmp282F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp282F.tmp.bat
Size 148B
SHA256 959bf18ade3719f40a097d455d1a846363912719a7816c0851fcbf977628d140
MD5 0bd2d95fd2800bf0edc05a0ef34b0406
SHA1 7d1c95bca1dd0f6a0de504d30106b5b9a2287edb
SHA512 9f986c3a431ac549608cba300fc15053b6f8328cb1a819853dd168436947b841241e0bbd64d64e0a024a07bf876d4f1344ca4964de92bc7c0ea155b196a946d1
TLSH
T154C02B42B1C5EA1E2809581303FAD88D9172FD193F40BB40CB04440D228044DF4ED342
MD5 SHA1 SHA512 TLSH

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scl2.exe

Path C:\Users\Admin\AppData\Roaming\scl2.exe
Size 45KB
SHA256 612e3cc189a4978f2e4bc6502a4ce4fb2d8fbc17c85a3e5d6dc95d6c3fde40dc
MD5 990d6edf0d4978d4668cf0238044b8f4
SHA1 2eb7b98c1e7534f34ac61c59922e256425a2dfa7
SHA512 23ebf3bf06ab431147ec78aedc9da28d39b84568457982e2a2bec5c7b60c496f19c522314d02450784b22ce43ac1a8d41a99f5657e2e6a0f99dd65087be8a6f3
SSDEEP 768:luY69T3kH1jWUvTqRmo2qbOUPB+lOOFPIwzjbzgX3iHIOwCnBDZrx:luY69T34y2liUOOCw3bsXSo3CBdrx
TLSH
T1C5233B0037EC812BF2BE4F78A8F26145867AF2673A03D54D2CC4519B5613FC696526FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4904-13-0x0000000074490000-0x0000000074C4C000-memory.dmp

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memory/4904-15-0x0000000074490000-0x0000000074C4C000-memory.dmp

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memory/5396-0-0x00000000744A2000-0x00000000744A3000-memory.dmp

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memory/5396-1-0x0000000000CB0000-0x0000000000CC2000-memory.dmp

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memory/5396-2-0x00000000744A2000-0x00000000744A3000-memory.dmp

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memory/5396-3-0x0000000074490000-0x0000000074C4C000-memory.dmp

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memory/5396-4-0x00000000057B0000-0x000000000584C000-memory.dmp

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memory/5396-9-0x0000000074490000-0x0000000074C4C000-memory.dmp

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