asyncrat | 83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d

Analysis

max time kernel
148s
max time network
155s
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, 07:42

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General

Target
83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
Size 45KB
Sample260816-jjwpbaca48
SHA256 83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d
MD5 dd9e0b1ee3ab10c4bcdb6594d144c829
SHA1 2651380c7a23f89b9a793b6a8eb90dd648c7809f
SHA512 be8e890be3ab6e75ec98c776ccb9cefc002549b1595d3c07f4e4e789368e655d2efac8ef3cf5e0bf4be13f167c77e4c58f080e17f5ebee0523f104ea7fea4c2a
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFYl9fcBEahPItpjb+gX3i9DQNCTaT4sa1BDZEx:MuLAZTnbg25LkEa+tJbBXS9DQw2NabdG
TLSH
T1C2232B003BE8822BF2BE4F78ACF26145467AE6673603D64E1CC451DB5713FC69A426F9
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
qbot.e.streamforester.name:80
qbot.e.streamforester.name:22
qbot.e.streamforester.name:8080
qbot.e.streamforester.name:8880
qbot.e.streamforester.name:2052
qbot.e.streamforester.name:2082
qbot.e.streamforester.name:2086
qbot.e.streamforester.name:2095
qbot.e.streamforester.name:443
qbot.e.streamforester.name:2053
qbot.e.streamforester.name:2083
qbot.e.streamforester.name:2087
qbot.e.streamforester.name:2096
qbot.e.streamforester.name:8443
blacklotus.e.streamforester.name:80
blacklotus.e.streamforester.name:22
blacklotus.e.streamforester.name:8080
blacklotus.e.streamforester.name:8880
blacklotus.e.streamforester.name:2052
blacklotus.e.streamforester.name:2082
blacklotus.e.streamforester.name:2086
blacklotus.e.streamforester.name:2095
blacklotus.e.streamforester.name:443
blacklotus.e.streamforester.name:2053
blacklotus.e.streamforester.name:2083
blacklotus.e.streamforester.name:2087
blacklotus.e.streamforester.name:2096
blacklotus.e.streamforester.name:8443

Mutex

PWYalCuFJKOC

Attributes

delay
0
install
true
install_file
atsxd.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/0x000e00000001c538-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2036	atsxd.exe
3372	atsxd.exe

Outbound SSH connection to public host 2 TTPs 1 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	16	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
2836	cmd.exe
4920	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	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.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	atsxd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	atsxd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3020	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
1148	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5780 wrote to memory of 2836	5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe	89
PID 5780 wrote to memory of 4920	5780	83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe	91
PID 2836 wrote to memory of 1148	2836	cmd.exe	93
PID 4920 wrote to memory of 3020	4920	cmd.exe	94
PID 4920 wrote to memory of 3372	4920	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe
"C:\Users\Admin\AppData\Local\Temp\83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5780
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "atsxd" /tr '"C:\Users\Admin\AppData\Roaming\atsxd.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "atsxd" /tr '"C:\Users\Admin\AppData\Roaming\atsxd.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1148
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp43D5.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4920
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3020
- - C:\Users\Admin\AppData\Roaming\atsxd.exe
    "C:\Users\Admin\AppData\Roaming\atsxd.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3372

C:\Users\Admin\AppData\Roaming\atsxd.exe
"C:\Users\Admin\AppData\Roaming\atsxd.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2036

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

tmp43D5.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp43D5.tmp.bat
Size 149B
SHA256 6b125931cccf87652d2f5e87dca36a3fdd994bf18eafae801193531a62b1a6e1
MD5 15f9044af4fbc60795efabd931b4f14d
SHA1 0667aa5ffafbb1a8a41e7d277cfb05f326d443c0
SHA512 3470282f2d708542b0fae6b22f067d88d07b48014dc4731e88f94f957810e7fe85ab1c957e5f793c98a3f217ed2032e80659cdf9241ef82480312ac46adb1f3d
TLSH
T1BEC02B8361C6EA1F6D0A342302FFD48CA172AC693F40BB00C308805E1280488F4D9341
MD5 SHA1 SHA512 TLSH

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atsxd.exe

Path C:\Users\Admin\AppData\Roaming\atsxd.exe
Size 45KB
SHA256 83bfe2ee1abcc94db42b7e9076c7e35b24b510cc4988fbbc04ddac1f5fa0249d
MD5 dd9e0b1ee3ab10c4bcdb6594d144c829
SHA1 2651380c7a23f89b9a793b6a8eb90dd648c7809f
SHA512 be8e890be3ab6e75ec98c776ccb9cefc002549b1595d3c07f4e4e789368e655d2efac8ef3cf5e0bf4be13f167c77e4c58f080e17f5ebee0523f104ea7fea4c2a
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFYl9fcBEahPItpjb+gX3i9DQNCTaT4sa1BDZEx:MuLAZTnbg25LkEa+tJbBXS9DQw2NabdG
TLSH
T1C2232B003BE8822BF2BE4F78ACF26145467AE6673603D64E1CC451DB5713FC69A426F9
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2036-12-0x0000000074C50000-0x000000007540C000-memory.dmp

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memory/2036-14-0x0000000074C50000-0x000000007540C000-memory.dmp

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memory/5780-0-0x0000000074C62000-0x0000000074C63000-memory.dmp

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memory/5780-1-0x0000000000030000-0x0000000000042000-memory.dmp

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memory/5780-2-0x0000000074C50000-0x000000007540C000-memory.dmp

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memory/5780-3-0x0000000004C50000-0x0000000004CEC000-memory.dmp

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memory/5780-9-0x0000000074C50000-0x000000007540C000-memory.dmp

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