asyncrat | a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840

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
04/08/2026, 07:45

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General

Target
a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
Size 45KB
Sample260804-jlm5ysfe39
SHA256 a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840
MD5 4ded00baf69836b5767a392f084f9976
SHA1 8fcc85dd2b54a9e30d9a9bcd47e5768df067e882
SHA512 19c775b45cba8f9953edb9e1c0f539a00bbbf4184be7a8ddf27f2b2b979c9611c30c4bec2b6fbae974a5a376dbf7439de9408e094cbc90f0fd3392fd16c60798
SSDEEP 768:QulLJTEs+EgWUKJTGmo2q9qCSwTMjPIu2jbZgX3ig5IXslOzV7U+hBDZTx:QulLJTE9X29g1u6b2XSg5OsEzVQ+fdTx
TLSH
T165232B003BE8812BF2BE5F7898F26245467AF5673A03D58E1CC4419B5713BC6DA426FE
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

sex18.me:80
sex18.me:22
sex18.me:8080
sex18.me:8880
sex18.me:2052
sex18.me:2082
sex18.me:2086
sex18.me:2095
sex18.me:443
sex18.me:2053
sex18.me:2083
sex18.me:2087
sex18.me:2096
sex18.me:8443
www.sex18.me:80
www.sex18.me:22
www.sex18.me:8080
www.sex18.me:8880
www.sex18.me:2052
www.sex18.me:2082
www.sex18.me:2086
www.sex18.me:2095
www.sex18.me:443
www.sex18.me:2053
www.sex18.me:2083
www.sex18.me:2087
www.sex18.me:2096
www.sex18.me:8443
zbot.sex18.me:80
zbot.sex18.me:22
zbot.sex18.me:8080
zbot.sex18.me:8880
zbot.sex18.me:2052
zbot.sex18.me:2082
zbot.sex18.me:2086
zbot.sex18.me:2095
zbot.sex18.me:443
zbot.sex18.me:2053
zbot.sex18.me:2083
zbot.sex18.me:2087
zbot.sex18.me:2096
zbot.sex18.me:8443
blacklotus.sex18.me:80
blacklotus.sex18.me:22
blacklotus.sex18.me:8080
blacklotus.sex18.me:8880
blacklotus.sex18.me:2052
blacklotus.sex18.me:2082
blacklotus.sex18.me:2086
blacklotus.sex18.me:2095
blacklotus.sex18.me:443
blacklotus.sex18.me:2053
blacklotus.sex18.me:2083
blacklotus.sex18.me:2087
blacklotus.sex18.me:2096
blacklotus.sex18.me:8443

Mutex

AVWg9CFGRqHH

Attributes

delay
0
install
true
install_file
3z5cd6.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/0x000400000000043e-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1808	3z5cd6.exe
3024	3z5cd6.exe

Outbound SSH connection to public host 2 TTPs 2 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	pid	Process
SSH destination	8	69.48.229.117:22	1808	3z5cd6.exe
SSH destination	15	69.48.229.117:22		Process not Found

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
3292	cmd.exe
4660	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	3z5cd6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.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	3z5cd6.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1712	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
3956	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
Token: SeDebugPrivilege	1808	3z5cd6.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 3292	4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe	89
PID 4704 wrote to memory of 4660	4704	a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe	91
PID 3292 wrote to memory of 3956	3292	cmd.exe	93
PID 4660 wrote to memory of 1712	4660	cmd.exe	94
PID 4660 wrote to memory of 3024	4660	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe
"C:\Users\Admin\AppData\Local\Temp\a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "3z5cd6" /tr '"C:\Users\Admin\AppData\Roaming\3z5cd6.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3292
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "3z5cd6" /tr '"C:\Users\Admin\AppData\Roaming\3z5cd6.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3956
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp15EF.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4660
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1712
- - C:\Users\Admin\AppData\Roaming\3z5cd6.exe
    "C:\Users\Admin\AppData\Roaming\3z5cd6.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3024

C:\Users\Admin\AppData\Roaming\3z5cd6.exe
"C:\Users\Admin\AppData\Roaming\3z5cd6.exe"
1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1808

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

tmp15EF.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp15EF.tmp.bat
Size 150B
SHA256 d3d6ffa383ba3698866c5d03b2ed7861978cd7817762c6d1fc6c77818716d7c0
MD5 7861840c3e1fad808aff4cfb798da9dd
SHA1 ac7efce1c2ac95bf2c4b034bbe3c634c89623091
SHA512 0a0ce8454f40b746095056d81999ed52c320d8fc0b960c0462e0c64f3f99e42b20c82806cec74871f060da1f3b188a256f22126ac7c7368044250dedca1b8801
TLSH
T175C02B52E1C6EB9E280D241302FAD98ED1767C193F40FB10E704400D128484CF0DD383
MD5 SHA1 SHA512 TLSH

Submit Download

3z5cd6.exe

Path C:\Users\Admin\AppData\Roaming\3z5cd6.exe
Size 45KB
SHA256 a64229b3353b902058eaa7372c7d74ff30abfa08f95347e2ff70184c03322840
MD5 4ded00baf69836b5767a392f084f9976
SHA1 8fcc85dd2b54a9e30d9a9bcd47e5768df067e882
SHA512 19c775b45cba8f9953edb9e1c0f539a00bbbf4184be7a8ddf27f2b2b979c9611c30c4bec2b6fbae974a5a376dbf7439de9408e094cbc90f0fd3392fd16c60798
SSDEEP 768:QulLJTEs+EgWUKJTGmo2q9qCSwTMjPIu2jbZgX3ig5IXslOzV7U+hBDZTx:QulLJTE9X29g1u6b2XSg5OsEzVQ+fdTx
TLSH
T165232B003BE8812BF2BE5F7898F26245467AF5673A03D58E1CC4419B5713BC6DA426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1808-12-0x0000000074B80000-0x000000007533C000-memory.dmp

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memory/1808-14-0x0000000074B80000-0x000000007533C000-memory.dmp

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memory/4704-0-0x0000000074B92000-0x0000000074B93000-memory.dmp

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memory/4704-1-0x0000000000DA0000-0x0000000000DB2000-memory.dmp

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memory/4704-2-0x0000000074B80000-0x000000007533C000-memory.dmp

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memory/4704-3-0x00000000059A0000-0x0000000005A3C000-memory.dmp

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memory/4704-9-0x0000000074B80000-0x000000007533C000-memory.dmp

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