asyncrat | 4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be

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, 22:28

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General

Target
4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
Size 45KB
Sample260804-2d2mgsfj7z
SHA256 4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be
MD5 bf3e7d32646951a4cfcad05f1c839b0e
SHA1 8304d1f72b7ef990d2f832f08f94bb6907822486
SHA512 a2e29c8542350f40556be95a0f03c8341d18a7a13696e27de6f9697904e970828e10a299fb4c6ae18179875d5544ed6cf8f7130b110b6d287bdc84189dd1c5c7
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAaLiE0yFjrdjYkk8PIurjb+gX3iT7ufJXMQ/Mr4OTou:kuSOpTPOP2KLBXQBu/bBXST7ufnMrzTx
TLSH
T1D2232B003BE9822BF2BE5F7469F26145867AF5732603D64A1CC441DB5623FC68643AFD
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

xcavengon.click:80
xcavengon.click:22
xcavengon.click:8080
xcavengon.click:8880
xcavengon.click:2052
xcavengon.click:2082
xcavengon.click:2086
xcavengon.click:2095
xcavengon.click:443
xcavengon.click:2053
xcavengon.click:2083
xcavengon.click:2087
xcavengon.click:2096
xcavengon.click:8443
www.xcavengon.click:80
www.xcavengon.click:22
www.xcavengon.click:8080
www.xcavengon.click:8880
www.xcavengon.click:2052
www.xcavengon.click:2082
www.xcavengon.click:2086
www.xcavengon.click:2095
www.xcavengon.click:443
www.xcavengon.click:2053
www.xcavengon.click:2083
www.xcavengon.click:2087
www.xcavengon.click:2096
www.xcavengon.click:8443
formbook.xcavengon.click:80
formbook.xcavengon.click:22
formbook.xcavengon.click:8080
formbook.xcavengon.click:8880
formbook.xcavengon.click:2052
formbook.xcavengon.click:2082
formbook.xcavengon.click:2086
formbook.xcavengon.click:2095
formbook.xcavengon.click:443
formbook.xcavengon.click:2053
formbook.xcavengon.click:2083
formbook.xcavengon.click:2087
formbook.xcavengon.click:2096
formbook.xcavengon.click:8443
cryptolocker.xcavengon.click:80
cryptolocker.xcavengon.click:22
cryptolocker.xcavengon.click:8080
cryptolocker.xcavengon.click:8880
cryptolocker.xcavengon.click:2052
cryptolocker.xcavengon.click:2082
cryptolocker.xcavengon.click:2086
cryptolocker.xcavengon.click:2095
cryptolocker.xcavengon.click:443
cryptolocker.xcavengon.click:2053
cryptolocker.xcavengon.click:2083
cryptolocker.xcavengon.click:2087
cryptolocker.xcavengon.click:2096
cryptolocker.xcavengon.click:8443
connect.xcavengon.click:80
connect.xcavengon.click:22
connect.xcavengon.click:8080
connect.xcavengon.click:8880
connect.xcavengon.click:2052
connect.xcavengon.click:2082
connect.xcavengon.click:2086
connect.xcavengon.click:2095
connect.xcavengon.click:443
connect.xcavengon.click:2053
connect.xcavengon.click:2083
connect.xcavengon.click:2087
connect.xcavengon.click:2096
connect.xcavengon.click:8443

Mutex

ZoJu3ANw3wIi

Attributes

delay
0
install
true
install_file
o2e6.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/0x000d00000001c5df-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5748	o2e6.exe
3400	o2e6.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	104.21.10.8:22
SSH destination	5	172.67.189.217:22

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
4332	cmd.exe
1260	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	o2e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	o2e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.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
1840	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
5816	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
Token: SeDebugPrivilege	5748	o2e6.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 1260	4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe	89
PID 4600 wrote to memory of 4332	4600	4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe	91
PID 1260 wrote to memory of 5816	1260	cmd.exe	93
PID 4332 wrote to memory of 1840	4332	cmd.exe	94
PID 4332 wrote to memory of 3400	4332	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe
"C:\Users\Admin\AppData\Local\Temp\4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "o2e6" /tr '"C:\Users\Admin\AppData\Roaming\o2e6.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1260
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "o2e6" /tr '"C:\Users\Admin\AppData\Roaming\o2e6.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5816
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6EAE.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4332
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1840
- - C:\Users\Admin\AppData\Roaming\o2e6.exe
    "C:\Users\Admin\AppData\Roaming\o2e6.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3400

C:\Users\Admin\AppData\Roaming\o2e6.exe
"C:\Users\Admin\AppData\Roaming\o2e6.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5748

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

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Downloads

tmp6EAE.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6EAE.tmp.bat
Size 148B
SHA256 b9e57c51ab006bc29c90db74c3ad101ee571f52cd4ef676a3709f77eb9758799
MD5 bc091b71abb03706b0c021ead4f966ef
SHA1 538a2254c13c77b0fcd6685d01a7b8e03c29c470
SHA512 81d89c1e3662e04d98b71c69e4f6c7b423fd48dbc4dfd2465455e7fc1247e6a57815eaa836ac78c703f681a25504cd51fc69a6065a0e548d242b7fd9418f7ec0
TLSH
T115C02B8391CAEA0F2809141302FBDB8CD1B26D293F80BB00DB44400D1280958F0DA341
MD5 SHA1 SHA512 TLSH

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o2e6.exe

Path C:\Users\Admin\AppData\Roaming\o2e6.exe
Size 45KB
SHA256 4b6775dff9c6ee29b11908e4e59d9bab847c69ecd54b64203e8a99615151d4be
MD5 bf3e7d32646951a4cfcad05f1c839b0e
SHA1 8304d1f72b7ef990d2f832f08f94bb6907822486
SHA512 a2e29c8542350f40556be95a0f03c8341d18a7a13696e27de6f9697904e970828e10a299fb4c6ae18179875d5544ed6cf8f7130b110b6d287bdc84189dd1c5c7
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAaLiE0yFjrdjYkk8PIurjb+gX3iT7ufJXMQ/Mr4OTou:kuSOpTPOP2KLBXQBu/bBXST7ufnMrzTx
TLSH
T1D2232B003BE9822BF2BE5F7469F26145867AF5732603D64A1CC441DB5623FC68643AFD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4600-0-0x0000000074832000-0x0000000074833000-memory.dmp

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memory/4600-1-0x0000000000C80000-0x0000000000C92000-memory.dmp

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memory/4600-2-0x0000000074820000-0x0000000074FDC000-memory.dmp

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memory/4600-3-0x00000000056C0000-0x000000000575C000-memory.dmp

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memory/4600-8-0x0000000074820000-0x0000000074FDC000-memory.dmp

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memory/5748-12-0x0000000074620000-0x0000000074DDC000-memory.dmp

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memory/5748-14-0x0000000074620000-0x0000000074DDC000-memory.dmp

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