asyncrat | 8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb

Analysis

max time kernel
6s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 14:01

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General

Target
8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
Size 45KB
Sample260821-rbjnsa1fpg
SHA256 8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb
MD5 c47df85bd25402b639f271a4c4c17c11
SHA1 564d84c8b3a96790af17f131e6b6bad058919b75
SHA512 b1719baaaeae06f8015fa5378d3e5ce11a1082465019cc34b4b85990e6ed6529835488e602cbce92028b819ed989bc9ce3956ecf4d35783d567fb17e119eb99f
SSDEEP 768:ju4dNJTbXcZz1WUBHCjmo2qraLiE0XFjrdjYkk8PIipjbmgX3i/HNevxElo/Z/mf:ju4dNJTjOK29L4XQBiJb5XS1eate+egR
TLSH
T12C232B003BE9812BF2BE4F7469F26145867AF5732A03D64E1C8451DB5723BC68643AFE
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
gootloader.e.streamforester.name:80
gootloader.e.streamforester.name:22
gootloader.e.streamforester.name:8080
gootloader.e.streamforester.name:8880
gootloader.e.streamforester.name:2052
gootloader.e.streamforester.name:2082
gootloader.e.streamforester.name:2086
gootloader.e.streamforester.name:2095
gootloader.e.streamforester.name:443
gootloader.e.streamforester.name:2053
gootloader.e.streamforester.name:2083
gootloader.e.streamforester.name:2087
gootloader.e.streamforester.name:2096
gootloader.e.streamforester.name:8443
mydoom.e.streamforester.name:80
mydoom.e.streamforester.name:22
mydoom.e.streamforester.name:8080
mydoom.e.streamforester.name:8880
mydoom.e.streamforester.name:2052
mydoom.e.streamforester.name:2082
mydoom.e.streamforester.name:2086
mydoom.e.streamforester.name:2095
mydoom.e.streamforester.name:443
mydoom.e.streamforester.name:2053
mydoom.e.streamforester.name:2083
mydoom.e.streamforester.name:2087
mydoom.e.streamforester.name:2096
mydoom.e.streamforester.name:8443
hack.e.streamforester.name:80
hack.e.streamforester.name:22
hack.e.streamforester.name:8080
hack.e.streamforester.name:8880
hack.e.streamforester.name:2052
hack.e.streamforester.name:2082
hack.e.streamforester.name:2086
hack.e.streamforester.name:2095
hack.e.streamforester.name:443
hack.e.streamforester.name:2053
hack.e.streamforester.name:2083
hack.e.streamforester.name:2087
hack.e.streamforester.name:2096
hack.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

iwHozzC9ZOR3

Attributes

delay
0
install
true
install_file
6u96.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/0x001000000001c4e0-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4428	6u96.exe
1220	6u96.exe

Outbound SSH connection to public host 2 TTPs 2 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
SSH destination	12	172.67.70.147:22
SSH destination	13	104.26.5.5:22

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
256	cmd.exe
5608	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	6u96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6u96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.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
4548	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
4460	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
Token: SeDebugPrivilege	4428	6u96.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 256	4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe	89
PID 4684 wrote to memory of 5608	4684	8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe	91
PID 256 wrote to memory of 4460	256	cmd.exe	93
PID 5608 wrote to memory of 4548	5608	cmd.exe	94
PID 5608 wrote to memory of 1220	5608	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe
"C:\Users\Admin\AppData\Local\Temp\8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "6u96" /tr '"C:\Users\Admin\AppData\Roaming\6u96.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:256
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "6u96" /tr '"C:\Users\Admin\AppData\Roaming\6u96.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4460
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7EAC.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5608
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4548
- - C:\Users\Admin\AppData\Roaming\6u96.exe
    "C:\Users\Admin\AppData\Roaming\6u96.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1220

C:\Users\Admin\AppData\Roaming\6u96.exe
"C:\Users\Admin\AppData\Roaming\6u96.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4428

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

tmp7EAC.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp7EAC.tmp.bat
Size 148B
SHA256 3b184800b501eb1f50974dfd72e4287188536c6575bd5d38d37a644d564e903f
MD5 3664205a94536de4edf51b1a8d7c7fe9
SHA1 691302887293bf41a329e933fc275cca34237c1f
SHA512 a4156e8f98f0bf664b7b9b3792294edbe39de5f0c26e43b5f0761d49023dd92dcaf3f9c87309fe281766d23c498abf730d04ffc3f7c5436c94a96e237fd8dae7
TLSH
T19DC02BA391CEEA0E3805145303FAD5DCE1B6AC1D3F40FB10D344841E228049BF4DA341
MD5 SHA1 SHA512 TLSH

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6u96.exe

Path C:\Users\Admin\AppData\Roaming\6u96.exe
Size 45KB
SHA256 8b34a7966a18ce9d80593261d2432ca5de3813d5c193b03632781ae6a96fb2fb
MD5 c47df85bd25402b639f271a4c4c17c11
SHA1 564d84c8b3a96790af17f131e6b6bad058919b75
SHA512 b1719baaaeae06f8015fa5378d3e5ce11a1082465019cc34b4b85990e6ed6529835488e602cbce92028b819ed989bc9ce3956ecf4d35783d567fb17e119eb99f
SSDEEP 768:ju4dNJTbXcZz1WUBHCjmo2qraLiE0XFjrdjYkk8PIipjbmgX3i/HNevxElo/Z/mf:ju4dNJTjOK29L4XQBiJb5XS1eate+egR
TLSH
T12C232B003BE9812BF2BE4F7469F26145867AF5732A03D64E1C8451DB5723BC68643AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4428-12-0x00000000740E0000-0x000000007489C000-memory.dmp

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memory/4428-14-0x00000000740E0000-0x000000007489C000-memory.dmp

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memory/4684-0-0x00000000742F2000-0x00000000742F3000-memory.dmp

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memory/4684-1-0x0000000000450000-0x0000000000462000-memory.dmp

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memory/4684-2-0x00000000742E0000-0x0000000074A9C000-memory.dmp

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memory/4684-3-0x0000000004E90000-0x0000000004F2C000-memory.dmp

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memory/4684-8-0x00000000742E0000-0x0000000074A9C000-memory.dmp

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