asyncrat | 9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/09/2026, 07:35

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General

Target
9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
Size 45KB
Sample260905-jen4nsce96
SHA256 9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed
MD5 1d0a9bb7593ebf27235939b70f36900c
SHA1 2d1ff07898e6de0ff2fdcf0c5fbb0df27890b11b
SHA512 39c628c0ecd1cab2898c7ff2dff2a9459a7ea427656494bdaaed7617f63e0a8b7ede2357d916f0679932c0a12f11f67193e0340f297c78e3bed2c73ec601625a
SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4Mw7/y3qiPI3zjblgX3i6POATtjaQHRBDZ0x:8uUIpT4vAj24ch33biXSSBJjaYvd0x
TLSH
T166231A003BE9C13BF2BF5B789DF26145867AB5632603D5891C84129B1723FC68A426FE
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

topsexviet.one:80
topsexviet.one:22
topsexviet.one:8080
topsexviet.one:8880
topsexviet.one:2052
topsexviet.one:2082
topsexviet.one:2086
topsexviet.one:2095
topsexviet.one:443
topsexviet.one:2053
topsexviet.one:2083
topsexviet.one:2087
topsexviet.one:2096
topsexviet.one:8443
www.topsexviet.one:80
www.topsexviet.one:22
www.topsexviet.one:8080
www.topsexviet.one:8880
www.topsexviet.one:2052
www.topsexviet.one:2082
www.topsexviet.one:2086
www.topsexviet.one:2095
www.topsexviet.one:443
www.topsexviet.one:2053
www.topsexviet.one:2083
www.topsexviet.one:2087
www.topsexviet.one:2096
www.topsexviet.one:8443
blacklotus.topsexviet.one:80
blacklotus.topsexviet.one:22
blacklotus.topsexviet.one:8080
blacklotus.topsexviet.one:8880
blacklotus.topsexviet.one:2052
blacklotus.topsexviet.one:2082
blacklotus.topsexviet.one:2086
blacklotus.topsexviet.one:2095
blacklotus.topsexviet.one:443
blacklotus.topsexviet.one:2053
blacklotus.topsexviet.one:2083
blacklotus.topsexviet.one:2087
blacklotus.topsexviet.one:2096
blacklotus.topsexviet.one:8443
gozi.topsexviet.one:80
gozi.topsexviet.one:22
gozi.topsexviet.one:8080
gozi.topsexviet.one:8880
gozi.topsexviet.one:2052
gozi.topsexviet.one:2082
gozi.topsexviet.one:2086
gozi.topsexviet.one:2095
gozi.topsexviet.one:443
gozi.topsexviet.one:2053
gozi.topsexviet.one:2083
gozi.topsexviet.one:2087
gozi.topsexviet.one:2096
gozi.topsexviet.one:8443
lokibot.topsexviet.one:80
lokibot.topsexviet.one:22
lokibot.topsexviet.one:8080
lokibot.topsexviet.one:8880
lokibot.topsexviet.one:2052
lokibot.topsexviet.one:2082
lokibot.topsexviet.one:2086
lokibot.topsexviet.one:2095
lokibot.topsexviet.one:443
lokibot.topsexviet.one:2053
lokibot.topsexviet.one:2083
lokibot.topsexviet.one:2087
lokibot.topsexviet.one:2096
lokibot.topsexviet.one:8443
cl0p.topsexviet.one:80
cl0p.topsexviet.one:22
cl0p.topsexviet.one:8080
cl0p.topsexviet.one:8880
cl0p.topsexviet.one:2052
cl0p.topsexviet.one:2082
cl0p.topsexviet.one:2086
cl0p.topsexviet.one:2095
cl0p.topsexviet.one:443
cl0p.topsexviet.one:2053
cl0p.topsexviet.one:2083
cl0p.topsexviet.one:2087
cl0p.topsexviet.one:2096
cl0p.topsexviet.one:8443

Mutex

DE9UWHjcOt2s

Attributes

delay
0
install
true
install_file
yhve870.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/0x000d00000001c677-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1320	yhve870.exe
4480	yhve870.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
4072	cmd.exe
4808	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yhve870.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yhve870.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.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
2520	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
3536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
Token: SeDebugPrivilege	1320	yhve870.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 4072	4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe	88
PID 4104 wrote to memory of 4808	4104	9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe	89
PID 4072 wrote to memory of 3536	4072	cmd.exe	92
PID 4808 wrote to memory of 2520	4808	cmd.exe	93
PID 4808 wrote to memory of 4480	4808	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe
"C:\Users\Admin\AppData\Local\Temp\9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4104
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "yhve870" /tr '"C:\Users\Admin\AppData\Roaming\yhve870.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4072
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "yhve870" /tr '"C:\Users\Admin\AppData\Roaming\yhve870.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3536
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEA08.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4808
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2520
- - C:\Users\Admin\AppData\Roaming\yhve870.exe
    "C:\Users\Admin\AppData\Roaming\yhve870.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4480

C:\Users\Admin\AppData\Roaming\yhve870.exe
"C:\Users\Admin\AppData\Roaming\yhve870.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1320

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

tmpEA08.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpEA08.tmp.bat
Size 151B
SHA256 00ca325809926bf08a848110a0b34900690045ae46e0f8a1e2a68ef4560fdfc2
MD5 1e2f237441dbda13af8603ad2ec56eaa
SHA1 7671dc67028473c220a70f9e89dafa05cdc2716c
SHA512 d93a54636875da76091d42258aae0071d71a6e20d39f605e4bf6f8d0a47fa56390752e08cf9222b4b0d5134943c5a77bb567deed9ec014578c7af75487db0c59
TLSH
T115C08C5652CAAA1E2805181302BAE48D91A2A8293E88AB108788814A5380848F0AA249
MD5 SHA1 SHA512 TLSH

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yhve870.exe

Path C:\Users\Admin\AppData\Roaming\yhve870.exe
Size 45KB
SHA256 9d75bdf3f453e645ac733221e62b62d549b6b4d598df308622a5d2e4d0b06bed
MD5 1d0a9bb7593ebf27235939b70f36900c
SHA1 2d1ff07898e6de0ff2fdcf0c5fbb0df27890b11b
SHA512 39c628c0ecd1cab2898c7ff2dff2a9459a7ea427656494bdaaed7617f63e0a8b7ede2357d916f0679932c0a12f11f67193e0340f297c78e3bed2c73ec601625a
SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4Mw7/y3qiPI3zjblgX3i6POATtjaQHRBDZ0x:8uUIpT4vAj24ch33biXSSBJjaYvd0x
TLSH
T166231A003BE9C13BF2BF5B789DF26145867AB5632603D5891C84129B1723FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1320-12-0x0000000074D70000-0x000000007552C000-memory.dmp

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memory/1320-14-0x0000000074D70000-0x000000007552C000-memory.dmp

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memory/4104-0-0x0000000074F22000-0x0000000074F23000-memory.dmp

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memory/4104-1-0x0000000000990000-0x00000000009A2000-memory.dmp

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memory/4104-2-0x0000000074F10000-0x00000000756CC000-memory.dmp

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memory/4104-3-0x0000000005390000-0x000000000542C000-memory.dmp

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memory/4104-8-0x0000000074F10000-0x00000000756CC000-memory.dmp

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