asyncrat | 39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 13:05

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
Size 45KB
Sample260816-qbqlnaycpg
SHA256 39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b
MD5 39f08049ff190352636dd9ba5e57d2c3
SHA1 500d4d353a0d3037dd66884ddf0a809838d5aeab
SHA512 6e352480728d07beeb131e8e7f0cf35a44bd60bffb3c92329c60465dc6167cc67b3902d5e1e813486aed2267e3ccc324ea58eb4f32b240da8ef9a6e50818d43a
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVdcP0pycvHPIjzjbQgX3ibVDhVar5RAj4TBDZEx:MuBGJTPho2OccMcvgj3bXXS1K5Cj41dG
TLSH
T16A232B0037E9823BF2BF4F7898F26145867AE6636603D64A1CC441DB5613FC68A52AFD
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

ads.zorvec.name:80
ads.zorvec.name:22
ads.zorvec.name:8080
ads.zorvec.name:8880
ads.zorvec.name:2052
ads.zorvec.name:2082
ads.zorvec.name:2086
ads.zorvec.name:2095
ads.zorvec.name:443
ads.zorvec.name:2053
ads.zorvec.name:2083
ads.zorvec.name:2087
ads.zorvec.name:2096
ads.zorvec.name:8443
www.ads.zorvec.name:80
www.ads.zorvec.name:22
www.ads.zorvec.name:8080
www.ads.zorvec.name:8880
www.ads.zorvec.name:2052
www.ads.zorvec.name:2082
www.ads.zorvec.name:2086
www.ads.zorvec.name:2095
www.ads.zorvec.name:443
www.ads.zorvec.name:2053
www.ads.zorvec.name:2083
www.ads.zorvec.name:2087
www.ads.zorvec.name:2096
www.ads.zorvec.name:8443
sasser.ads.zorvec.name:80
sasser.ads.zorvec.name:22
sasser.ads.zorvec.name:8080
sasser.ads.zorvec.name:8880
sasser.ads.zorvec.name:2052
sasser.ads.zorvec.name:2082
sasser.ads.zorvec.name:2086
sasser.ads.zorvec.name:2095
sasser.ads.zorvec.name:443
sasser.ads.zorvec.name:2053
sasser.ads.zorvec.name:2083
sasser.ads.zorvec.name:2087
sasser.ads.zorvec.name:2096
sasser.ads.zorvec.name:8443
codered.ads.zorvec.name:80
codered.ads.zorvec.name:22
codered.ads.zorvec.name:8080
codered.ads.zorvec.name:8880
codered.ads.zorvec.name:2052
codered.ads.zorvec.name:2082
codered.ads.zorvec.name:2086
codered.ads.zorvec.name:2095
codered.ads.zorvec.name:443
codered.ads.zorvec.name:2053
codered.ads.zorvec.name:2083
codered.ads.zorvec.name:2087
codered.ads.zorvec.name:2096
codered.ads.zorvec.name:8443
sobig.ads.zorvec.name:80
sobig.ads.zorvec.name:22
sobig.ads.zorvec.name:8080
sobig.ads.zorvec.name:8880
sobig.ads.zorvec.name:2052
sobig.ads.zorvec.name:2082
sobig.ads.zorvec.name:2086
sobig.ads.zorvec.name:2095
sobig.ads.zorvec.name:443
sobig.ads.zorvec.name:2053
sobig.ads.zorvec.name:2083
sobig.ads.zorvec.name:2087
sobig.ads.zorvec.name:2096
sobig.ads.zorvec.name:8443

Mutex

EQ0ztbwFjME0

Attributes

delay
0
install
true
install_file
iahz.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/0x0003000000000436-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5820	iahz.exe
5444	iahz.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
SSH destination	8	172.67.144.58:22
SSH destination	9	104.21.28.44:22

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
4436	cmd.exe
5972	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	iahz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iahz.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1908	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
5536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
Token: SeDebugPrivilege	5820	iahz.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 4436	1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe	89
PID 1836 wrote to memory of 5972	1836	39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe	90
PID 5972 wrote to memory of 1908	5972	cmd.exe	93
PID 4436 wrote to memory of 5536	4436	cmd.exe	94
PID 5972 wrote to memory of 5444	5972	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe
"C:\Users\Admin\AppData\Local\Temp\39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "iahz" /tr '"C:\Users\Admin\AppData\Roaming\iahz.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4436
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "iahz" /tr '"C:\Users\Admin\AppData\Roaming\iahz.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5536
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp329F.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5972
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1908
- - C:\Users\Admin\AppData\Roaming\iahz.exe
    "C:\Users\Admin\AppData\Roaming\iahz.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5444

C:\Users\Admin\AppData\Roaming\iahz.exe
"C:\Users\Admin\AppData\Roaming\iahz.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5820

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

Replay Monitor

Loading Replay Monitor...

Downloads

tmp329F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp329F.tmp.bat
Size 148B
SHA256 0b3f0168a019ec5dfd47c7d0bdba835f1ed44b9fa7488fabef55d5179c684058
MD5 fccce81bcb8d9192a7fa62302b3e29d3
SHA1 d1f51c27d1997056090531d6ee44fa695441a394
SHA512 84f433544fe06df69a6f4d34070a0195e1cb598470fe23c3915a5d044c6fe0b54da7cd421ca036ecd73aa457582b2274ad51f2dd2db9dce55cc510e2f51c52d2
TLSH
T118C02B4265C5EA1E2C09141303FAD48D91726C6D3F40BB50D705400E23C1848F8D9381
MD5 SHA1 SHA512 TLSH

Submit Download

iahz.exe

Path C:\Users\Admin\AppData\Roaming\iahz.exe
Size 45KB
SHA256 39a24f90d72ba52b3e83879f5cc519d1701ae8713758d64cb7fa7b19931dc72b
MD5 39f08049ff190352636dd9ba5e57d2c3
SHA1 500d4d353a0d3037dd66884ddf0a809838d5aeab
SHA512 6e352480728d07beeb131e8e7f0cf35a44bd60bffb3c92329c60465dc6167cc67b3902d5e1e813486aed2267e3ccc324ea58eb4f32b240da8ef9a6e50818d43a
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVdcP0pycvHPIjzjbQgX3ibVDhVar5RAj4TBDZEx:MuBGJTPho2OccMcvgj3bXXS1K5Cj41dG
TLSH
T16A232B0037E9823BF2BF4F7898F26145867AE6636603D64A1CC441DB5613FC68A52AFD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1836-0-0x0000000074B12000-0x0000000074B13000-memory.dmp

Download

memory/1836-1-0x0000000000FE0000-0x0000000000FF2000-memory.dmp

Download

memory/1836-2-0x0000000074B00000-0x00000000752BC000-memory.dmp

Download

memory/1836-3-0x0000000005A20000-0x0000000005ABC000-memory.dmp

Download

memory/1836-8-0x0000000074B00000-0x00000000752BC000-memory.dmp

Download

memory/5820-12-0x0000000074990000-0x000000007514C000-memory.dmp

Download

memory/5820-14-0x0000000074990000-0x000000007514C000-memory.dmp

Download