asyncrat | aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117

Analysis

max time kernel
148s
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, 09:26

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General

Target
aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
Size 45KB
Sample260816-ld52xavane
SHA256 aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117
MD5 2ef446f3b11694ed674a7b837a905d39
SHA1 04ad484b14902a36c76521a8b2773592bafbb974
SHA512 a841336f6537166636a4ee0cf6b87c24ce7f99427dbd2c6b8064657ec4138f7f7aaf8f38feaa46b103805504f46766d8ea8376d07df8d181121d46b654e2e540
SSDEEP 768:vuogpT78XvEsWUOsRzqmo2qrmFpPklON8APIDzjb+gX3iKLpIO6rXIs9aVDBDZkx:vuogpT7I62F7kwN8lD3bBXSUI9DIvdkx
TLSH
T10A2329003BE9813BF2BE8F7899F26145467AF6637603D64E1CC4429B4613FC69A426FD
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
melissa.e.streamforester.name:80
melissa.e.streamforester.name:22
melissa.e.streamforester.name:8080
melissa.e.streamforester.name:8880
melissa.e.streamforester.name:2052
melissa.e.streamforester.name:2082
melissa.e.streamforester.name:2086
melissa.e.streamforester.name:2095
melissa.e.streamforester.name:443
melissa.e.streamforester.name:2053
melissa.e.streamforester.name:2083
melissa.e.streamforester.name:2087
melissa.e.streamforester.name:2096
melissa.e.streamforester.name:8443
emotet.e.streamforester.name:80
emotet.e.streamforester.name:22
emotet.e.streamforester.name:8080
emotet.e.streamforester.name:8880
emotet.e.streamforester.name:2052
emotet.e.streamforester.name:2082
emotet.e.streamforester.name:2086
emotet.e.streamforester.name:2095
emotet.e.streamforester.name:443
emotet.e.streamforester.name:2053
emotet.e.streamforester.name:2083
emotet.e.streamforester.name:2087
emotet.e.streamforester.name:2096
emotet.e.streamforester.name:8443
triton.e.streamforester.name:80
triton.e.streamforester.name:22
triton.e.streamforester.name:8080
triton.e.streamforester.name:8880
triton.e.streamforester.name:2052
triton.e.streamforester.name:2082
triton.e.streamforester.name:2086
triton.e.streamforester.name:2095
triton.e.streamforester.name:443
triton.e.streamforester.name:2053
triton.e.streamforester.name:2083
triton.e.streamforester.name:2087
triton.e.streamforester.name:2096
triton.e.streamforester.name:8443

Mutex

GYk6EQV7XluK

Attributes

delay
0
install
true
install_file
1fmxe2yz.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/0x0005000000016b45-11.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2456	1fmxe2yz.exe

Outbound SSH connection to public host 2 TTPs 3 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	4	172.67.70.147:22
SSH destination	5	104.26.4.5:22
SSH destination	7	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
4956	cmd.exe
4928	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	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.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	1fmxe2yz.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3344	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
4184	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 4928	2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe	89
PID 2072 wrote to memory of 4956	2072	aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe	91
PID 4928 wrote to memory of 4184	4928	cmd.exe	93
PID 4956 wrote to memory of 3344	4956	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe
"C:\Users\Admin\AppData\Local\Temp\aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "1fmxe2yz" /tr '"C:\Users\Admin\AppData\Roaming\1fmxe2yz.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4928
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "1fmxe2yz" /tr '"C:\Users\Admin\AppData\Roaming\1fmxe2yz.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4184
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp429D.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4956
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3344
- - C:\Users\Admin\AppData\Roaming\1fmxe2yz.exe
    "C:\Users\Admin\AppData\Roaming\1fmxe2yz.exe"
    3⤵
    PID:2912

C:\Users\Admin\AppData\Roaming\1fmxe2yz.exe
"C:\Users\Admin\AppData\Roaming\1fmxe2yz.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2456

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

tmp429D.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp429D.tmp.bat
Size 152B
SHA256 1dac92f6edaecadf4fa945e29c77dbf4fb9498967ccb153b9840d40042758f66
MD5 ef713ba02f29d3acdc46d6be9af8a206
SHA1 05771a3ace6057a353d92f03b2ce4b10222a8141
SHA512 55fdafbad31d559d7892d7ec0ee9ccec28f3046d70f5b4a499acbbfecdc549a0b61ae1d91647201ce25700ccea510a0bb1f2dff6e98fa5c9aece52084bd18053
TLSH
T1ABC08C4256C5AA0E2805682306BAE48C92A6A83D3E40AB008704458D6280548E8AA286
MD5 SHA1 SHA512 TLSH

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1fmxe2yz.exe

Path C:\Users\Admin\AppData\Roaming\1fmxe2yz.exe
Size 45KB
SHA256 aaa7c150923daad0491c6deb77aa65b3b272377b537618db0d32e054ced03117
MD5 2ef446f3b11694ed674a7b837a905d39
SHA1 04ad484b14902a36c76521a8b2773592bafbb974
SHA512 a841336f6537166636a4ee0cf6b87c24ce7f99427dbd2c6b8064657ec4138f7f7aaf8f38feaa46b103805504f46766d8ea8376d07df8d181121d46b654e2e540
SSDEEP 768:vuogpT78XvEsWUOsRzqmo2qrmFpPklON8APIDzjb+gX3iKLpIO6rXIs9aVDBDZkx:vuogpT7I62F7kwN8lD3bBXSUI9DIvdkx
TLSH
T10A2329003BE9813BF2BE8F7899F26145467AF6637603D64E1CC4429B4613FC69A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2072-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

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memory/2072-1-0x00000000000F0000-0x0000000000102000-memory.dmp

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memory/2072-2-0x0000000074A80000-0x000000007523C000-memory.dmp

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memory/2072-3-0x0000000004C60000-0x0000000004CFC000-memory.dmp

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memory/2072-8-0x0000000074A80000-0x000000007523C000-memory.dmp

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memory/2456-12-0x0000000074A40000-0x00000000751FC000-memory.dmp

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memory/2456-14-0x0000000074A40000-0x00000000751FC000-memory.dmp

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