asyncrat | 129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832

Analysis

max time kernel
148s
max time network
153s
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, 18:11

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General

Target
129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
Size 45KB
Sample260816-wsla6atzct
SHA256 129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832
MD5 8f91ed37557ea90002de974595b25919
SHA1 edb6656fe3dde94baf6e918aa62c724413fcc85c
SHA512 ae0b6a76a87be75dce6afe4b5d06a1533b96e7f5702f7a03bd6019ebdf224427d57c8abe1a640a5ff95273f425d62ad949ff9ce7c68b1b64c2f7ae73bfb15292
SSDEEP 768:IuuZ5TbUo/BWUlf+DHmo2q7Z/cYssPJZOPIcvzjbigXViNNTx6hAvCRfzj0ZjABJ:IuuZ5Tbjst2sMIf3cv3bFXE/TxiAyCjs
TLSH
T1DB232B003BE8822BF2BE4F78A9F26145467AF6673603D58D1CC441DB5613FC69A426FE
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
codered.e.streamforester.name:80
codered.e.streamforester.name:22
codered.e.streamforester.name:8080
codered.e.streamforester.name:8880
codered.e.streamforester.name:2052
codered.e.streamforester.name:2082
codered.e.streamforester.name:2086
codered.e.streamforester.name:2095
codered.e.streamforester.name:443
codered.e.streamforester.name:2053
codered.e.streamforester.name:2083
codered.e.streamforester.name:2087
codered.e.streamforester.name:2096
codered.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
connect.e.streamforester.name:80
connect.e.streamforester.name:22
connect.e.streamforester.name:8080
connect.e.streamforester.name:8880
connect.e.streamforester.name:2052
connect.e.streamforester.name:2082
connect.e.streamforester.name:2086
connect.e.streamforester.name:2095
connect.e.streamforester.name:443
connect.e.streamforester.name:2053
connect.e.streamforester.name:2083
connect.e.streamforester.name:2087
connect.e.streamforester.name:2096
connect.e.streamforester.name:8443
zbot.e.streamforester.name:80
zbot.e.streamforester.name:22
zbot.e.streamforester.name:8080
zbot.e.streamforester.name:8880
zbot.e.streamforester.name:2052
zbot.e.streamforester.name:2082
zbot.e.streamforester.name:2086
zbot.e.streamforester.name:2095
zbot.e.streamforester.name:443
zbot.e.streamforester.name:2053
zbot.e.streamforester.name:2083
zbot.e.streamforester.name:2087
zbot.e.streamforester.name:2096
zbot.e.streamforester.name:8443

Mutex

1aktYZkFyvVS

Attributes

delay
0
install
true
install_file
em7i6r.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/0x0003000000000432-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4320	em7i6r.exe
2208	em7i6r.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
SSH destination	10	172.67.70.147:22
SSH destination	13	172.67.70.147:22
SSH destination	14	104.26.4.5:22
SSH destination	7	104.26.5.5:22
SSH destination	9	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
5972	cmd.exe
3524	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	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	em7i6r.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	em7i6r.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2728	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
3040	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 5972	3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe	89
PID 3412 wrote to memory of 3524	3412	129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe	91
PID 5972 wrote to memory of 3040	5972	cmd.exe	93
PID 3524 wrote to memory of 2728	3524	cmd.exe	94
PID 3524 wrote to memory of 2208	3524	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe
"C:\Users\Admin\AppData\Local\Temp\129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3412
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "em7i6r" /tr '"C:\Users\Admin\AppData\Roaming\em7i6r.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5972
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "em7i6r" /tr '"C:\Users\Admin\AppData\Roaming\em7i6r.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3040
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB608.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3524
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2728
- - C:\Users\Admin\AppData\Roaming\em7i6r.exe
    "C:\Users\Admin\AppData\Roaming\em7i6r.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2208

C:\Users\Admin\AppData\Roaming\em7i6r.exe
"C:\Users\Admin\AppData\Roaming\em7i6r.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4320

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

tmpB608.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpB608.tmp.bat
Size 150B
SHA256 cb4fe7e17d6cfadca774034213b03f9c48c038ea61e6ab71f3c221305b731c84
MD5 97e9a1c1d6aafbcc55086484efd45f15
SHA1 aef47fc2338ea1dd93329348c97963fa98329574
SHA512 af16b291ccb519c1c464f5a789852ba43ddb98b332969378ff8e6e5c8bf1476ea75b06b1ea836976bbc1e80f09265254fe90610300801489af686107beb91289
TLSH
T15FC02B5396C5EA1FA816982312FAD4CC91B3AC593FC4FB10C308404D2280458F0D9341
MD5 SHA1 SHA512 TLSH

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em7i6r.exe

Path C:\Users\Admin\AppData\Roaming\em7i6r.exe
Size 45KB
SHA256 129c7a809c696d787f798664eb03c19c15737d412b8a67c12939c4c25bb6d832
MD5 8f91ed37557ea90002de974595b25919
SHA1 edb6656fe3dde94baf6e918aa62c724413fcc85c
SHA512 ae0b6a76a87be75dce6afe4b5d06a1533b96e7f5702f7a03bd6019ebdf224427d57c8abe1a640a5ff95273f425d62ad949ff9ce7c68b1b64c2f7ae73bfb15292
SSDEEP 768:IuuZ5TbUo/BWUlf+DHmo2q7Z/cYssPJZOPIcvzjbigXViNNTx6hAvCRfzj0ZjABJ:IuuZ5Tbjst2sMIf3cv3bFXE/TxiAyCjs
TLSH
T1DB232B003BE8822BF2BE4F78A9F26145467AF6673603D58D1CC441DB5613FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3412-0-0x0000000074E22000-0x0000000074E23000-memory.dmp

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memory/3412-1-0x00000000009A0000-0x00000000009B2000-memory.dmp

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memory/3412-2-0x0000000074E10000-0x00000000755CC000-memory.dmp

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memory/3412-3-0x0000000005560000-0x00000000055FC000-memory.dmp

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memory/3412-8-0x0000000074E10000-0x00000000755CC000-memory.dmp

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memory/4320-12-0x0000000074C10000-0x00000000753CC000-memory.dmp

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memory/4320-14-0x0000000074C10000-0x00000000753CC000-memory.dmp

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