asyncrat | 173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a

Analysis

max time kernel
6s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 18:05

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General

Target
173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
Size 45KB
Sample260816-wpgtkatyht
SHA256 173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a
MD5 05a4979fd5b54fc88fd24cb1831437d9
SHA1 4abd000cc0274c30acf5bf761d4f8a6372610c78
SHA512 d4895407731e72f2eabb74d2a89814c9c88764904a0524ad1531d4e49f19a9b88457f06a6fa4ecf6218220c953ff754bf474364da1831f55a6f5ef6bb5069b91
SSDEEP 768:juseoZTj4ih7WU7jBbIdmo2qjg3xY6AZOOPILzjbZgW3i4egfmorgEV5CsBDZdx:jusHZTjR9bM27ulO3L3b2WSXKVbFddx
TLSH
T1EB232A003BED812BF2BE4F7899F26105457AF6A32603D5891CC451DB5723FC69A42AFE
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

e.streamforester.name:80
e.streamforester.name:22
e.streamforester.name:8080
e.streamforester.name:8880
e.streamforester.name:2052
e.streamforester.name:2082
e.streamforester.name:2086
e.streamforester.name:2095
e.streamforester.name:443
e.streamforester.name:2053
e.streamforester.name:2083
e.streamforester.name:2087
e.streamforester.name:2096
e.streamforester.name:8443
www.e.streamforester.name:80
www.e.streamforester.name:22
www.e.streamforester.name:8080
www.e.streamforester.name:8880
www.e.streamforester.name:2052
www.e.streamforester.name:2082
www.e.streamforester.name:2086
www.e.streamforester.name:2095
www.e.streamforester.name:443
www.e.streamforester.name:2053
www.e.streamforester.name:2083
www.e.streamforester.name:2087
www.e.streamforester.name:2096
www.e.streamforester.name:8443
emotet.e.streamforester.name:80
emotet.e.streamforester.name:22
emotet.e.streamforester.name:8080
emotet.e.streamforester.name:8880
emotet.e.streamforester.name:2052
emotet.e.streamforester.name:2082
emotet.e.streamforester.name:2086
emotet.e.streamforester.name:2095
emotet.e.streamforester.name:443
emotet.e.streamforester.name:2053
emotet.e.streamforester.name:2083
emotet.e.streamforester.name:2087
emotet.e.streamforester.name:2096
emotet.e.streamforester.name:8443
trickbot.e.streamforester.name:80
trickbot.e.streamforester.name:22
trickbot.e.streamforester.name:8080
trickbot.e.streamforester.name:8880
trickbot.e.streamforester.name:2052
trickbot.e.streamforester.name:2082
trickbot.e.streamforester.name:2086
trickbot.e.streamforester.name:2095
trickbot.e.streamforester.name:443
trickbot.e.streamforester.name:2053
trickbot.e.streamforester.name:2083
trickbot.e.streamforester.name:2087
trickbot.e.streamforester.name:2096
trickbot.e.streamforester.name:8443
sodinokibi.e.streamforester.name:80
sodinokibi.e.streamforester.name:22
sodinokibi.e.streamforester.name:8080
sodinokibi.e.streamforester.name:8880
sodinokibi.e.streamforester.name:2052
sodinokibi.e.streamforester.name:2082
sodinokibi.e.streamforester.name:2086
sodinokibi.e.streamforester.name:2095
sodinokibi.e.streamforester.name:443
sodinokibi.e.streamforester.name:2053
sodinokibi.e.streamforester.name:2083
sodinokibi.e.streamforester.name:2087
sodinokibi.e.streamforester.name:2096
sodinokibi.e.streamforester.name:8443
malware.e.streamforester.name:80
malware.e.streamforester.name:22
malware.e.streamforester.name:8080
malware.e.streamforester.name:8880
malware.e.streamforester.name:2052
malware.e.streamforester.name:2082
malware.e.streamforester.name:2086
malware.e.streamforester.name:2095
malware.e.streamforester.name:443
malware.e.streamforester.name:2053
malware.e.streamforester.name:2083
malware.e.streamforester.name:2087
malware.e.streamforester.name:2096
malware.e.streamforester.name:8443

Mutex

VbDR4xZdqACa

Attributes

delay
0
install
true
install_file
niswj.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/0x000e00000001c488-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4308	niswj.exe
3124	niswj.exe

Outbound SSH connection to public host 2 TTPs 5 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	pid	Process
SSH destination	12	104.26.5.5:22		Process not Found
SSH destination	4	104.26.4.5:22	4308	niswj.exe
SSH destination	7	104.26.5.5:22		Process not Found
SSH destination	9	172.67.70.147:22		Process not Found
SSH destination	11	104.26.4.5:22		Process not Found

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
4388	cmd.exe
2212	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	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	niswj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	niswj.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5868	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
5928	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
Token: SeDebugPrivilege	4308	niswj.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 4388	1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe	89
PID 1080 wrote to memory of 2212	1080	173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe	91
PID 2212 wrote to memory of 5868	2212	cmd.exe	93
PID 4388 wrote to memory of 5928	4388	cmd.exe	94
PID 2212 wrote to memory of 3124	2212	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe
"C:\Users\Admin\AppData\Local\Temp\173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "niswj" /tr '"C:\Users\Admin\AppData\Roaming\niswj.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4388
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "niswj" /tr '"C:\Users\Admin\AppData\Roaming\niswj.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5928
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCC73.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2212
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5868
- - C:\Users\Admin\AppData\Roaming\niswj.exe
    "C:\Users\Admin\AppData\Roaming\niswj.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3124

C:\Users\Admin\AppData\Roaming\niswj.exe
"C:\Users\Admin\AppData\Roaming\niswj.exe"
1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4308

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

tmpCC73.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpCC73.tmp.bat
Size 149B
SHA256 5e44352dad52805b354b5270fc2ec583d8ef5b7832ec27992bb428d1ab0b5864
MD5 e9eab0d349c6b430c115cd4e1377b5b1
SHA1 bf18ae7607d3a16b50f06012948f4f445116174f
SHA512 4c4c8e42766e7c06118e1bb922d0eca9bb0d24c13e148c360a2ae076d45e7912e9bbf10b8d5f0a6a59462b028704503112edde4370bb0293ec42b1dbb46f4752
TLSH
T13DC02B8261C6EE4E2A05141303FAD99DA17A7C293FC0FB00C304841D5680C68F0DA341
MD5 SHA1 SHA512 TLSH

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niswj.exe

Path C:\Users\Admin\AppData\Roaming\niswj.exe
Size 45KB
SHA256 173a67b00f7913d19722d8555ff089c84865babae82554de8c52f3f2f790e25a
MD5 05a4979fd5b54fc88fd24cb1831437d9
SHA1 4abd000cc0274c30acf5bf761d4f8a6372610c78
SHA512 d4895407731e72f2eabb74d2a89814c9c88764904a0524ad1531d4e49f19a9b88457f06a6fa4ecf6218220c953ff754bf474364da1831f55a6f5ef6bb5069b91
SSDEEP 768:juseoZTj4ih7WU7jBbIdmo2qjg3xY6AZOOPILzjbZgW3i4egfmorgEV5CsBDZdx:jusHZTjR9bM27ulO3L3b2WSXKVbFddx
TLSH
T1EB232A003BED812BF2BE4F7899F26105457AF6A32603D5891CC451DB5723FC69A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1080-0-0x0000000074E32000-0x0000000074E33000-memory.dmp

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memory/1080-1-0x0000000000E50000-0x0000000000E62000-memory.dmp

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memory/1080-2-0x0000000074E20000-0x00000000755DC000-memory.dmp

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memory/1080-3-0x0000000005940000-0x00000000059DC000-memory.dmp

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memory/1080-9-0x0000000074E20000-0x00000000755DC000-memory.dmp

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memory/4308-12-0x0000000074E20000-0x00000000755DC000-memory.dmp

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memory/4308-14-0x0000000074E20000-0x00000000755DC000-memory.dmp

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