asyncrat | 38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15

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
07/09/2026, 17:18

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General

Target
38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
Size 45KB
Sample260907-vvsbtaab54
SHA256 38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15
MD5 43c943056d6c9f3f70270dd8e61bfca1
SHA1 1d700198e42eb047b683ffb037092f926ea9de83
SHA512 cf19babbda54c562e40ad5f20eaae47f51bd26bdd800b37f9c19babe0a50101355b3ad026b030592e7e95902c52684e4b14ac4c0807fa4b73a0f72e78c4c2406
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAe9PLzizyvtLjZPIXzjbPgXmimykvzFjZGhdvcBDZMx:kuSOpTPOP2u9HiGVjWX3b4XPOdGhdv68
TLSH
T151232B003BE9C12BF2BE8F7899F25245867AF6632603D6491CC441DB5A13FC6DA426FD
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

xemphimsex.cc:80
xemphimsex.cc:22
xemphimsex.cc:8080
xemphimsex.cc:8880
xemphimsex.cc:2052
xemphimsex.cc:2082
xemphimsex.cc:2086
xemphimsex.cc:2095
xemphimsex.cc:443
xemphimsex.cc:2053
xemphimsex.cc:2083
xemphimsex.cc:2087
xemphimsex.cc:2096
xemphimsex.cc:8443
www.xemphimsex.cc:80
www.xemphimsex.cc:22
www.xemphimsex.cc:8080
www.xemphimsex.cc:8880
www.xemphimsex.cc:2052
www.xemphimsex.cc:2082
www.xemphimsex.cc:2086
www.xemphimsex.cc:2095
www.xemphimsex.cc:443
www.xemphimsex.cc:2053
www.xemphimsex.cc:2083
www.xemphimsex.cc:2087
www.xemphimsex.cc:2096
www.xemphimsex.cc:8443
malware.xemphimsex.cc:80
malware.xemphimsex.cc:22
malware.xemphimsex.cc:8080
malware.xemphimsex.cc:8880
malware.xemphimsex.cc:2052
malware.xemphimsex.cc:2082
malware.xemphimsex.cc:2086
malware.xemphimsex.cc:2095
malware.xemphimsex.cc:443
malware.xemphimsex.cc:2053
malware.xemphimsex.cc:2083
malware.xemphimsex.cc:2087
malware.xemphimsex.cc:2096
malware.xemphimsex.cc:8443
hack.xemphimsex.cc:80
hack.xemphimsex.cc:22
hack.xemphimsex.cc:8080
hack.xemphimsex.cc:8880
hack.xemphimsex.cc:2052
hack.xemphimsex.cc:2082
hack.xemphimsex.cc:2086
hack.xemphimsex.cc:2095
hack.xemphimsex.cc:443
hack.xemphimsex.cc:2053
hack.xemphimsex.cc:2083
hack.xemphimsex.cc:2087
hack.xemphimsex.cc:2096
hack.xemphimsex.cc:8443
cl0p.xemphimsex.cc:80
cl0p.xemphimsex.cc:22
cl0p.xemphimsex.cc:8080
cl0p.xemphimsex.cc:8880
cl0p.xemphimsex.cc:2052
cl0p.xemphimsex.cc:2082
cl0p.xemphimsex.cc:2086
cl0p.xemphimsex.cc:2095
cl0p.xemphimsex.cc:443
cl0p.xemphimsex.cc:2053
cl0p.xemphimsex.cc:2083
cl0p.xemphimsex.cc:2087
cl0p.xemphimsex.cc:2096
cl0p.xemphimsex.cc:8443
qakbot.xemphimsex.cc:80
qakbot.xemphimsex.cc:22
qakbot.xemphimsex.cc:8080
qakbot.xemphimsex.cc:8880
qakbot.xemphimsex.cc:2052
qakbot.xemphimsex.cc:2082
qakbot.xemphimsex.cc:2086
qakbot.xemphimsex.cc:2095
qakbot.xemphimsex.cc:443
qakbot.xemphimsex.cc:2053
qakbot.xemphimsex.cc:2083
qakbot.xemphimsex.cc:2087
qakbot.xemphimsex.cc:2096
qakbot.xemphimsex.cc:8443

Mutex

1q5bUfE8gqxE

Attributes

delay
0
install
true
install_file
w07o.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/0x000e00000001c466-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4540	w07o.exe
4632	w07o.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	15	172.67.192.55:22
SSH destination	16	104.21.65.205:22

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
4484	cmd.exe
3772	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	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.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	w07o.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	w07o.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4460	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
5552	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
Token: SeDebugPrivilege	4540	w07o.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3360 wrote to memory of 4484	3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe	89
PID 3360 wrote to memory of 3772	3360	38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe	90
PID 4484 wrote to memory of 5552	4484	cmd.exe	93
PID 3772 wrote to memory of 4460	3772	cmd.exe	94
PID 3772 wrote to memory of 4632	3772	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe
"C:\Users\Admin\AppData\Local\Temp\38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3360
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "w07o" /tr '"C:\Users\Admin\AppData\Roaming\w07o.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4484
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "w07o" /tr '"C:\Users\Admin\AppData\Roaming\w07o.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5552
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1217.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3772
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4460
- - C:\Users\Admin\AppData\Roaming\w07o.exe
    "C:\Users\Admin\AppData\Roaming\w07o.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4632

C:\Users\Admin\AppData\Roaming\w07o.exe
"C:\Users\Admin\AppData\Roaming\w07o.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4540

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

tmp1217.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp1217.tmp.bat
Size 148B
SHA256 3daa4f2a941b66a7548409fb85729eb3c61fc03daa81f06f717f7283c9618890
MD5 b032a399b2c85557491c02ac2f7d7963
SHA1 11ab8e901209723b3dbbe3a1f770af13b2715c47
SHA512 68af3b45dfe9be1c69e240df2965b403feba9be9d9b7c8a022d3f16d989c03e59afee3c6388d29396d6c357cd47bf8e0811b004bc62779a9d2be5c0ce1e9641b
TLSH
T19CC02B4362C5FE0E690D641302FBD69C91B27C793F48BB00D304800D1280449F0ED381
MD5 SHA1 SHA512 TLSH

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w07o.exe

Path C:\Users\Admin\AppData\Roaming\w07o.exe
Size 45KB
SHA256 38ac02a94408a074ec9007c1f7dad9b5007c03077a537c1c63088c416f9f8f15
MD5 43c943056d6c9f3f70270dd8e61bfca1
SHA1 1d700198e42eb047b683ffb037092f926ea9de83
SHA512 cf19babbda54c562e40ad5f20eaae47f51bd26bdd800b37f9c19babe0a50101355b3ad026b030592e7e95902c52684e4b14ac4c0807fa4b73a0f72e78c4c2406
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAe9PLzizyvtLjZPIXzjbPgXmimykvzFjZGhdvcBDZMx:kuSOpTPOP2u9HiGVjWX3b4XPOdGhdv68
TLSH
T151232B003BE9C12BF2BE8F7899F25245867AF6632603D6491CC441DB5A13FC6DA426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3360-0-0x0000000074D72000-0x0000000074D73000-memory.dmp

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memory/3360-1-0x0000000000920000-0x0000000000932000-memory.dmp

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memory/3360-2-0x0000000074D60000-0x000000007551C000-memory.dmp

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memory/3360-3-0x0000000005530000-0x00000000055CC000-memory.dmp

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memory/3360-8-0x0000000074D60000-0x000000007551C000-memory.dmp

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memory/4540-12-0x0000000074BF0000-0x00000000753AC000-memory.dmp

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memory/4540-14-0x0000000074BF0000-0x00000000753AC000-memory.dmp

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