asyncrat | e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1

Analysis

max time kernel
148s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/07/2026, 17:19

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General

Target
e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
Size 45KB
Sample260731-vvvryacp21
SHA256 e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1
MD5 82918f34a39327fa02a8eeabc745c5e7
SHA1 110c0cfe6565cd54be5b0ed919bf5a9e81b53e3f
SHA512 ea5548446cf305d1d405fe5159026e867dc47775b66c54798d88236af77943884974a5a010d87936e35f3be582f57328aa6014aa21072ebfd0d4a16ce8cfc6cb
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNaSi0ynzuOPIbzjbOgX5ibmDxR5OxNqBDZ0x:5uSy6pTpoo2nSVh3b3bxXIbgRIid0x
TLSH
T148232B0037ED812BF2BE5F7899F26145867AF2633603D54A2CC4519B5713FC68A42AFD
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

xemsexxx.me:80
xemsexxx.me:22
xemsexxx.me:8080
xemsexxx.me:8880
xemsexxx.me:2052
xemsexxx.me:2082
xemsexxx.me:2086
xemsexxx.me:2095
xemsexxx.me:443
xemsexxx.me:2053
xemsexxx.me:2083
xemsexxx.me:2087
xemsexxx.me:2096
xemsexxx.me:8443
www.xemsexxx.me:80
www.xemsexxx.me:22
www.xemsexxx.me:8080
www.xemsexxx.me:8880
www.xemsexxx.me:2052
www.xemsexxx.me:2082
www.xemsexxx.me:2086
www.xemsexxx.me:2095
www.xemsexxx.me:443
www.xemsexxx.me:2053
www.xemsexxx.me:2083
www.xemsexxx.me:2087
www.xemsexxx.me:2096
www.xemsexxx.me:8443
gozi.xemsexxx.me:80
gozi.xemsexxx.me:22
gozi.xemsexxx.me:8080
gozi.xemsexxx.me:8880
gozi.xemsexxx.me:2052
gozi.xemsexxx.me:2082
gozi.xemsexxx.me:2086
gozi.xemsexxx.me:2095
gozi.xemsexxx.me:443
gozi.xemsexxx.me:2053
gozi.xemsexxx.me:2083
gozi.xemsexxx.me:2087
gozi.xemsexxx.me:2096
gozi.xemsexxx.me:8443
conficker.xemsexxx.me:80
conficker.xemsexxx.me:22
conficker.xemsexxx.me:8080
conficker.xemsexxx.me:8880
conficker.xemsexxx.me:2052
conficker.xemsexxx.me:2082
conficker.xemsexxx.me:2086
conficker.xemsexxx.me:2095
conficker.xemsexxx.me:443
conficker.xemsexxx.me:2053
conficker.xemsexxx.me:2083
conficker.xemsexxx.me:2087
conficker.xemsexxx.me:2096
conficker.xemsexxx.me:8443

Mutex

B2zkliXrY5Lz

Attributes

delay
0
install
true
install_file
7cd8npn.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/0x001000000001c3f1-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2116	7cd8npn.exe
2852	7cd8npn.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	18	104.21.16.108:22

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
4692	cmd.exe
5664	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	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.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	7cd8npn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7cd8npn.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
704	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
5540	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
Token: SeDebugPrivilege	2116	7cd8npn.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 4692	1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe	89
PID 1856 wrote to memory of 5664	1856	e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe	90
PID 4692 wrote to memory of 5540	4692	cmd.exe	93
PID 5664 wrote to memory of 704	5664	cmd.exe	94
PID 5664 wrote to memory of 2852	5664	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe
"C:\Users\Admin\AppData\Local\Temp\e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "7cd8npn" /tr '"C:\Users\Admin\AppData\Roaming\7cd8npn.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4692
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "7cd8npn" /tr '"C:\Users\Admin\AppData\Roaming\7cd8npn.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5540
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFBEF.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5664
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:704
- - C:\Users\Admin\AppData\Roaming\7cd8npn.exe
    "C:\Users\Admin\AppData\Roaming\7cd8npn.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2852

C:\Users\Admin\AppData\Roaming\7cd8npn.exe
"C:\Users\Admin\AppData\Roaming\7cd8npn.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2116

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

tmpFBEF.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpFBEF.tmp.bat
Size 151B
SHA256 eb0dbaea0e856c109401915b931dfd6b4054f36a0a77855a6f528fce140f07fd
MD5 9dbf189d8dd5d542da2eb8fd63bab22c
SHA1 80eb97742e5dadb10bcbe6c7b0cab0aeaa7b1f51
SHA512 8616527425124e186f4a3bbac7d6a23c8ed037e3d9f28dece0c49b94b80f17484d125b6343ee48b005dce628c8ec1c9b9bbb0ddf86a3d4cd2eb17590e29ea4b4
TLSH
T17BC02B4275CAFB0E680D641307FAD8DFA1726C1E3F40BB40C704855D13C0448F0D9346
MD5 SHA1 SHA512 TLSH

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7cd8npn.exe

Path C:\Users\Admin\AppData\Roaming\7cd8npn.exe
Size 45KB
SHA256 e24b878df15a561383489380a24afc58bbaf0df66e042b0286a50809d356c8b1
MD5 82918f34a39327fa02a8eeabc745c5e7
SHA1 110c0cfe6565cd54be5b0ed919bf5a9e81b53e3f
SHA512 ea5548446cf305d1d405fe5159026e867dc47775b66c54798d88236af77943884974a5a010d87936e35f3be582f57328aa6014aa21072ebfd0d4a16ce8cfc6cb
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNaSi0ynzuOPIbzjbOgX5ibmDxR5OxNqBDZ0x:5uSy6pTpoo2nSVh3b3bxXIbgRIid0x
TLSH
T148232B0037ED812BF2BE5F7899F26145867AF2633603D54A2CC4519B5713FC68A42AFD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1856-0-0x0000000074D62000-0x0000000074D63000-memory.dmp

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memory/1856-1-0x00000000003D0000-0x00000000003E2000-memory.dmp

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memory/1856-2-0x0000000074D50000-0x000000007550C000-memory.dmp

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memory/1856-3-0x0000000004EE0000-0x0000000004F7C000-memory.dmp

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memory/1856-8-0x0000000074D50000-0x000000007550C000-memory.dmp

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memory/2116-12-0x0000000074BE0000-0x000000007539C000-memory.dmp

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memory/2116-14-0x0000000074BE0000-0x000000007539C000-memory.dmp

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