asyncrat | 044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 16:44

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General

Target
044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
Size 45KB
Sample260804-t9bf6svfqd
SHA256 044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c
MD5 981dbf149645f9aea3b0674bfb2a7a3c
SHA1 983a061b5cf06ef2f646b4b497d9f32d604564df
SHA512 4548a387dca427197c7d78fd286e271e1286306cdf8c4c0a4dbb7fe803df41eac81f98fd5c8fa1888cca809d806cfa4f376dbdad9d644717becb1dcdc96c8e2b
SSDEEP 768:8uuSpTg7GBoWUSH6+mo2qYJCHyTtUPISzjbsgX3ieehL5lcyy8rKYzB5nstBDZ0x:8uuSpTgyf2RnjS3bjXSPLLcY9Kjd0x
TLSH
T14F231A0037E8812BF2BE4F7899F26245867AF6776603D58E1CC441DB1623BC696426FD
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

twosisterstubes.com:80
twosisterstubes.com:22
twosisterstubes.com:8080
twosisterstubes.com:8880
twosisterstubes.com:2052
twosisterstubes.com:2082
twosisterstubes.com:2086
twosisterstubes.com:2095
twosisterstubes.com:443
twosisterstubes.com:2053
twosisterstubes.com:2083
twosisterstubes.com:2087
twosisterstubes.com:2096
twosisterstubes.com:8443
www.twosisterstubes.com:80
www.twosisterstubes.com:22
www.twosisterstubes.com:8080
www.twosisterstubes.com:8880
www.twosisterstubes.com:2052
www.twosisterstubes.com:2082
www.twosisterstubes.com:2086
www.twosisterstubes.com:2095
www.twosisterstubes.com:443
www.twosisterstubes.com:2053
www.twosisterstubes.com:2083
www.twosisterstubes.com:2087
www.twosisterstubes.com:2096
www.twosisterstubes.com:8443
gootloader.twosisterstubes.com:80
gootloader.twosisterstubes.com:22
gootloader.twosisterstubes.com:8080
gootloader.twosisterstubes.com:8880
gootloader.twosisterstubes.com:2052
gootloader.twosisterstubes.com:2082
gootloader.twosisterstubes.com:2086
gootloader.twosisterstubes.com:2095
gootloader.twosisterstubes.com:443
gootloader.twosisterstubes.com:2053
gootloader.twosisterstubes.com:2083
gootloader.twosisterstubes.com:2087
gootloader.twosisterstubes.com:2096
gootloader.twosisterstubes.com:8443
malware.twosisterstubes.com:80
malware.twosisterstubes.com:22
malware.twosisterstubes.com:8080
malware.twosisterstubes.com:8880
malware.twosisterstubes.com:2052
malware.twosisterstubes.com:2082
malware.twosisterstubes.com:2086
malware.twosisterstubes.com:2095
malware.twosisterstubes.com:443
malware.twosisterstubes.com:2053
malware.twosisterstubes.com:2083
malware.twosisterstubes.com:2087
malware.twosisterstubes.com:2096
malware.twosisterstubes.com:8443
qbot.twosisterstubes.com:80
qbot.twosisterstubes.com:22
qbot.twosisterstubes.com:8080
qbot.twosisterstubes.com:8880
qbot.twosisterstubes.com:2052
qbot.twosisterstubes.com:2082
qbot.twosisterstubes.com:2086
qbot.twosisterstubes.com:2095
qbot.twosisterstubes.com:443
qbot.twosisterstubes.com:2053
qbot.twosisterstubes.com:2083
qbot.twosisterstubes.com:2087
qbot.twosisterstubes.com:2096
qbot.twosisterstubes.com:8443

Mutex

EbBCQzQhjxlg

Attributes

delay
0
install
true
install_file
zll5p3.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/0x000e00000001c465-10.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2720	zll5p3.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	28	172.67.175.110:22

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
252	cmd.exe
4548	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zll5p3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4296	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
2568	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4136 wrote to memory of 252	4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe	89
PID 4136 wrote to memory of 4548	4136	044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe	90
PID 252 wrote to memory of 2568	252	cmd.exe	93
PID 4548 wrote to memory of 4296	4548	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe
"C:\Users\Admin\AppData\Local\Temp\044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4136
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "zll5p3" /tr '"C:\Users\Admin\AppData\Roaming\zll5p3.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:252
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "zll5p3" /tr '"C:\Users\Admin\AppData\Roaming\zll5p3.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2568
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4B57.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4548
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4296
- - C:\Users\Admin\AppData\Roaming\zll5p3.exe
    "C:\Users\Admin\AppData\Roaming\zll5p3.exe"
    3⤵
    PID:2632

C:\Users\Admin\AppData\Roaming\zll5p3.exe
"C:\Users\Admin\AppData\Roaming\zll5p3.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2720

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

tmp4B57.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4B57.tmp.bat
Size 150B
SHA256 7a2791642db234be0bda87b0497dbfb09fb3b5a3020064a242a8b5336fa03579
MD5 b37aba6faa3701539cfe6ddfeda77851
SHA1 23255e13f24b5286943469e2eb06cf0588d9139a
SHA512 08760b5cdacbbb96ee22d0f782415775d745869d54614ef87d03dd3d30a78a083bcf2900d783f89ede58b875a631d5d888ad8e693700c1028fd4a87d7daaf98c
TLSH
T13EC02B4769CAEE1FA805A45312FAD88F91B26C5E3F80FF10C704404D1680449F0D9341
MD5 SHA1 SHA512 TLSH

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zll5p3.exe

Path C:\Users\Admin\AppData\Roaming\zll5p3.exe
Size 45KB
SHA256 044fa5e96ddf0fc399bd4222523f22eb1450f5cfa6812a6d0530d5c7ea94dc8c
MD5 981dbf149645f9aea3b0674bfb2a7a3c
SHA1 983a061b5cf06ef2f646b4b497d9f32d604564df
SHA512 4548a387dca427197c7d78fd286e271e1286306cdf8c4c0a4dbb7fe803df41eac81f98fd5c8fa1888cca809d806cfa4f376dbdad9d644717becb1dcdc96c8e2b
SSDEEP 768:8uuSpTg7GBoWUSH6+mo2qYJCHyTtUPISzjbsgX3ieehL5lcyy8rKYzB5nstBDZ0x:8uuSpTgyf2RnjS3bjXSPLLcY9Kjd0x
TLSH
T14F231A0037E8812BF2BE4F7899F26245867AF6776603D58E1CC441DB1623BC696426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2720-12-0x0000000074940000-0x00000000750FC000-memory.dmp

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memory/2720-14-0x0000000074940000-0x00000000750FC000-memory.dmp

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memory/4136-0-0x0000000074962000-0x0000000074963000-memory.dmp

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memory/4136-1-0x0000000000420000-0x0000000000432000-memory.dmp

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memory/4136-2-0x0000000074950000-0x000000007510C000-memory.dmp

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memory/4136-3-0x0000000004E60000-0x0000000004EFC000-memory.dmp

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memory/4136-9-0x0000000074950000-0x000000007510C000-memory.dmp

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