asyncrat | 3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3

Analysis

max time kernel
148s
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
16/08/2026, 18:20

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General

Target
3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
Size 45KB
Sample260816-wy8nmsvbja
SHA256 3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3
MD5 6a3afda0cff083f2b846e113bdc0b00a
SHA1 2f8b82facabde2b56ae668f1fd11f735244b2fa9
SHA512 4b485067e7e8dac7395eaf51457ed5072bd95db2d9d4ab3ee28767f8683e5f457e56d6114c35584297f6d2c6b63964817ebb36f4a6cc63c6ec2610536cfe3153
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q976q0ynzFOPIlzjbqgd3injsSSRj/KTBDZsx:EufspTf2g2G6da3l3b9dSneW1dsx
TLSH
T100233A003BE9812BF2BE4F78ADF26145467AF6633603D64A1CC451D75623FC68A42AFD
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
blaster.e.streamforester.name:80
blaster.e.streamforester.name:22
blaster.e.streamforester.name:8080
blaster.e.streamforester.name:8880
blaster.e.streamforester.name:2052
blaster.e.streamforester.name:2082
blaster.e.streamforester.name:2086
blaster.e.streamforester.name:2095
blaster.e.streamforester.name:443
blaster.e.streamforester.name:2053
blaster.e.streamforester.name:2083
blaster.e.streamforester.name:2087
blaster.e.streamforester.name:2096
blaster.e.streamforester.name:8443
fakeupdates.e.streamforester.name:80
fakeupdates.e.streamforester.name:22
fakeupdates.e.streamforester.name:8080
fakeupdates.e.streamforester.name:8880
fakeupdates.e.streamforester.name:2052
fakeupdates.e.streamforester.name:2082
fakeupdates.e.streamforester.name:2086
fakeupdates.e.streamforester.name:2095
fakeupdates.e.streamforester.name:443
fakeupdates.e.streamforester.name:2053
fakeupdates.e.streamforester.name:2083
fakeupdates.e.streamforester.name:2087
fakeupdates.e.streamforester.name:2096
fakeupdates.e.streamforester.name:8443

Mutex

SmizYJdQXemq

Attributes

delay
0
install
true
install_file
sc6juin.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/0x000e00000001c51f-10.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
4684	sc6juin.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
SSH destination	7	104.26.5.5:22
SSH destination	9	172.67.70.147:22
SSH destination	10	104.26.4.5:22
SSH destination	13	104.26.5.5:22
SSH destination	14	172.67.70.147:22
SSH destination	15	104.26.4.5:22

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
4116	cmd.exe
704	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	sc6juin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1960	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
4840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 4116	2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe	90
PID 2932 wrote to memory of 704	2932	3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe	92
PID 4116 wrote to memory of 4840	4116	cmd.exe	94
PID 704 wrote to memory of 1960	704	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe
"C:\Users\Admin\AppData\Local\Temp\3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "sc6juin" /tr '"C:\Users\Admin\AppData\Roaming\sc6juin.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4116
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "sc6juin" /tr '"C:\Users\Admin\AppData\Roaming\sc6juin.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4840
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp648C.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:704
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1960
- - C:\Users\Admin\AppData\Roaming\sc6juin.exe
    "C:\Users\Admin\AppData\Roaming\sc6juin.exe"
    3⤵
    PID:5852

C:\Users\Admin\AppData\Roaming\sc6juin.exe
"C:\Users\Admin\AppData\Roaming\sc6juin.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4684

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

tmp648C.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp648C.tmp.bat
Size 151B
SHA256 3e3fa9dc83a958fe687882cba4ae744242f9cfab47563e32368f7fdf13e86373
MD5 a8c072f28b64517d6e53282fd16ed3bf
SHA1 ff633e651c766a534fd7399a9de73bbcc8d0b79a
SHA512 2c6777cc8dcdf7f2fefbbffce4bd3ec33a535aada6e91ac66e602da158d8452551e447cfce79ef7b2a8b995c5eb04a3a4ced6f03b5d7ea46edd8bf1fc0ea40ae
TLSH
T1A0C02B4661C5EA0E2805681302FBF58D91726C1A3F40BB14C744841E27C045CF4DD349
MD5 SHA1 SHA512 TLSH

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sc6juin.exe

Path C:\Users\Admin\AppData\Roaming\sc6juin.exe
Size 45KB
SHA256 3785b2b41332ac27d539a0b666b02a968cd15cbb5609f069fcbb37fcf1185ac3
MD5 6a3afda0cff083f2b846e113bdc0b00a
SHA1 2f8b82facabde2b56ae668f1fd11f735244b2fa9
SHA512 4b485067e7e8dac7395eaf51457ed5072bd95db2d9d4ab3ee28767f8683e5f457e56d6114c35584297f6d2c6b63964817ebb36f4a6cc63c6ec2610536cfe3153
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q976q0ynzFOPIlzjbqgd3injsSSRj/KTBDZsx:EufspTf2g2G6da3l3b9dSneW1dsx
TLSH
T100233A003BE9812BF2BE4F78ADF26145467AF6633603D64A1CC451D75623FC68A42AFD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2932-0-0x0000000075122000-0x0000000075123000-memory.dmp

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memory/2932-1-0x00000000006D0000-0x00000000006E2000-memory.dmp

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memory/2932-2-0x0000000075110000-0x00000000758CC000-memory.dmp

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memory/2932-3-0x00000000050F0000-0x000000000518C000-memory.dmp

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memory/2932-8-0x0000000075110000-0x00000000758CC000-memory.dmp

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memory/4684-12-0x0000000075110000-0x00000000758CC000-memory.dmp

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memory/4684-14-0x0000000075110000-0x00000000758CC000-memory.dmp

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