asyncrat | f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4

Analysis

max time kernel
6s
max time network
151s
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, 16:48

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
Size 45KB
Sample260816-vbftnsen5s
SHA256 f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4
MD5 6e0c2f5fe83f3643bc0a047d18dc483a
SHA1 0cf5ac82b1b500067b013f737a80869b72d90dfe
SHA512 3b0581b2d1e30414a216eba1589a1473e4f5321445a86b3ab431e7b695ecb47697b35bd18d2f876037cea163b55baf0a4c5da81356a4c900be740bff62fd38a6
SSDEEP 768:cuqb5TrIGuCWUoKXMmo2qQ0fBohEaEPIQxjbegX3iRFR2b749U8+riYBDZUx:cuqb5TrhG2a4EapQhbhXSReHsU8hedUx
TLSH
T1DC232B003BE8812BF2BE4FB86DF26145467AF6B36603D5492CC411975613FC69A426FE
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
shamoon.e.streamforester.name:80
shamoon.e.streamforester.name:22
shamoon.e.streamforester.name:8080
shamoon.e.streamforester.name:8880
shamoon.e.streamforester.name:2052
shamoon.e.streamforester.name:2082
shamoon.e.streamforester.name:2086
shamoon.e.streamforester.name:2095
shamoon.e.streamforester.name:443
shamoon.e.streamforester.name:2053
shamoon.e.streamforester.name:2083
shamoon.e.streamforester.name:2087
shamoon.e.streamforester.name:2096
shamoon.e.streamforester.name:8443
zeus.e.streamforester.name:80
zeus.e.streamforester.name:22
zeus.e.streamforester.name:8080
zeus.e.streamforester.name:8880
zeus.e.streamforester.name:2052
zeus.e.streamforester.name:2082
zeus.e.streamforester.name:2086
zeus.e.streamforester.name:2095
zeus.e.streamforester.name:443
zeus.e.streamforester.name:2053
zeus.e.streamforester.name:2083
zeus.e.streamforester.name:2087
zeus.e.streamforester.name:2096
zeus.e.streamforester.name:8443
sasser.e.streamforester.name:80
sasser.e.streamforester.name:22
sasser.e.streamforester.name:8080
sasser.e.streamforester.name:8880
sasser.e.streamforester.name:2052
sasser.e.streamforester.name:2082
sasser.e.streamforester.name:2086
sasser.e.streamforester.name:2095
sasser.e.streamforester.name:443
sasser.e.streamforester.name:2053
sasser.e.streamforester.name:2083
sasser.e.streamforester.name:2087
sasser.e.streamforester.name:2096
sasser.e.streamforester.name:8443

Mutex

drk3KA95FvI7

Attributes

delay
0
install
true
install_file
owzu9.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/0x000e00000001c485-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4812	owzu9.exe
3976	owzu9.exe

Outbound SSH connection to public host 2 TTPs 6 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	4	104.26.5.5:22		Process not Found
SSH destination	5	104.26.4.5:22		Process not Found
SSH destination	8	172.67.70.147:22		Process not Found
SSH destination	9	104.26.5.5:22		Process not Found
SSH destination	10	104.26.4.5:22		Process not Found
SSH destination	2	172.67.70.147:22	4812	owzu9.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
1548	cmd.exe
4740	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	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	owzu9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	owzu9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3312	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
4568	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
Token: SeDebugPrivilege	4812	owzu9.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 4740	4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe	89
PID 4220 wrote to memory of 1548	4220	f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe	91
PID 4740 wrote to memory of 4568	4740	cmd.exe	93
PID 1548 wrote to memory of 3312	1548	cmd.exe	94
PID 1548 wrote to memory of 3976	1548	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe
"C:\Users\Admin\AppData\Local\Temp\f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "owzu9" /tr '"C:\Users\Admin\AppData\Roaming\owzu9.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4740
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "owzu9" /tr '"C:\Users\Admin\AppData\Roaming\owzu9.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4568
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp834.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3312
- - C:\Users\Admin\AppData\Roaming\owzu9.exe
    "C:\Users\Admin\AppData\Roaming\owzu9.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3976

C:\Users\Admin\AppData\Roaming\owzu9.exe
"C:\Users\Admin\AppData\Roaming\owzu9.exe"
1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4812

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

Replay Monitor

Loading Replay Monitor...

Downloads

tmp834.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp834.tmp.bat
Size 148B
SHA256 8a282fb0166df38682edc6bb4b9c07b59bc2b039da87769db1a0bac4eb07f0ea
MD5 32c2cf927db5058569aed1704418a048
SHA1 5687c0fd84b55373ba21fded240cbe4d94b7531b
SHA512 8c233c33ff0455e1382feaa78ec19f1ccc136e8659229fa67c9aeb6f984b50439c4bf2932e7f53b052bbc341b3f5f0ccb1a42231e7489eb153c564d11b3016e1
TLSH
T18FC08C4662C6EA4E6805586303FAE58C91A2A8593E40AB008B44400B1280448E099241
MD5 SHA1 SHA512 TLSH

Submit Download

owzu9.exe

Path C:\Users\Admin\AppData\Roaming\owzu9.exe
Size 45KB
SHA256 f10dda1959768785c8c85acbfdf7c7dc6f48a67a93c243a5e434321b84b330a4
MD5 6e0c2f5fe83f3643bc0a047d18dc483a
SHA1 0cf5ac82b1b500067b013f737a80869b72d90dfe
SHA512 3b0581b2d1e30414a216eba1589a1473e4f5321445a86b3ab431e7b695ecb47697b35bd18d2f876037cea163b55baf0a4c5da81356a4c900be740bff62fd38a6
SSDEEP 768:cuqb5TrIGuCWUoKXMmo2qQ0fBohEaEPIQxjbegX3iRFR2b749U8+riYBDZUx:cuqb5TrhG2a4EapQhbhXSReHsU8hedUx
TLSH
T1DC232B003BE8812BF2BE4FB86DF26145467AF6B36603D5492CC411975613FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4220-0-0x00000000743B2000-0x00000000743B3000-memory.dmp

Download

memory/4220-1-0x0000000000F10000-0x0000000000F22000-memory.dmp

Download

memory/4220-2-0x00000000743A0000-0x0000000074B5C000-memory.dmp

Download

memory/4220-3-0x0000000005AD0000-0x0000000005B6C000-memory.dmp

Download

memory/4220-9-0x00000000743A0000-0x0000000074B5C000-memory.dmp

Download

memory/4812-12-0x00000000743A0000-0x0000000074B5C000-memory.dmp

Download

memory/4812-14-0x00000000743A0000-0x0000000074B5C000-memory.dmp

Download