asyncrat | bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602

Analysis

max time kernel
148s
max time network
152s
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, 18:05

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General

Target
bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
Size 45KB
Sample260804-wn7zcsbl8w
SHA256 bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602
MD5 19b767866ab90a4759cdc7fbf69651b4
SHA1 b8fc5e775ec3f92e557350212b9bdc2e6bcd08cc
SHA512 7f8636905df19cdfcc8dee22c29968b976ba1e8a770736a94a61e8110966ac5ade838a6a02505d730948ea776281ed7dfb3e793cce75dd0075767efed4f5d9a0
SSDEEP 768:vuogpT78XvEsWUOsRzqmo2qrOeqpG3jHuPIMzjbQgXtiNxx+y3Z6lR9oBDZkx:vuogpT7I62RzM3M3bXXcPky3Z6lR9Odm
TLSH
T154231A003BE9812BF2BE4FB899F26105467AF6637603D5891CC452DB5723FC68A426FD
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
hacker.xcavengon.click:80
hacker.xcavengon.click:22
hacker.xcavengon.click:8080
hacker.xcavengon.click:8880
hacker.xcavengon.click:2052
hacker.xcavengon.click:2082
hacker.xcavengon.click:2086
hacker.xcavengon.click:2095
hacker.xcavengon.click:443
hacker.xcavengon.click:2053
hacker.xcavengon.click:2083
hacker.xcavengon.click:2087
hacker.xcavengon.click:2096
hacker.xcavengon.click:8443
sodinokibi.xcavengon.click:80
sodinokibi.xcavengon.click:22
sodinokibi.xcavengon.click:8080
sodinokibi.xcavengon.click:8880
sodinokibi.xcavengon.click:2052
sodinokibi.xcavengon.click:2082
sodinokibi.xcavengon.click:2086
sodinokibi.xcavengon.click:2095
sodinokibi.xcavengon.click:443
sodinokibi.xcavengon.click:2053
sodinokibi.xcavengon.click:2083
sodinokibi.xcavengon.click:2087
sodinokibi.xcavengon.click:2096
sodinokibi.xcavengon.click:8443
nanocore.xcavengon.click:80
nanocore.xcavengon.click:22
nanocore.xcavengon.click:8080
nanocore.xcavengon.click:8880
nanocore.xcavengon.click:2052
nanocore.xcavengon.click:2082
nanocore.xcavengon.click:2086
nanocore.xcavengon.click:2095
nanocore.xcavengon.click:443
nanocore.xcavengon.click:2053
nanocore.xcavengon.click:2083
nanocore.xcavengon.click:2087
nanocore.xcavengon.click:2096
nanocore.xcavengon.click:8443
gh0st.xcavengon.click:80
gh0st.xcavengon.click:22
gh0st.xcavengon.click:8080
gh0st.xcavengon.click:8880
gh0st.xcavengon.click:2052
gh0st.xcavengon.click:2082
gh0st.xcavengon.click:2086
gh0st.xcavengon.click:2095
gh0st.xcavengon.click:443
gh0st.xcavengon.click:2053
gh0st.xcavengon.click:2083
gh0st.xcavengon.click:2087
gh0st.xcavengon.click:2096
gh0st.xcavengon.click:8443

Mutex

nPDUBffMpxbA

Attributes

delay
0
install
true
install_file
5uwbmjpp.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/0x001300000001c482-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2024	5uwbmjpp.exe
5976	5uwbmjpp.exe

Outbound SSH connection to public host 2 TTPs 5 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	172.67.189.217:22
SSH destination	13	104.21.10.8:22
SSH destination	14	172.67.189.217:22
SSH destination	16	104.21.10.8:22
SSH destination	6	104.21.10.8:22

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
5100	cmd.exe
5628	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5uwbmjpp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5uwbmjpp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4568	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
860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 5628	3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe	89
PID 3948 wrote to memory of 5100	3948	bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe	91
PID 5100 wrote to memory of 4568	5100	cmd.exe	93
PID 5628 wrote to memory of 860	5628	cmd.exe	94
PID 5100 wrote to memory of 5976	5100	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe
"C:\Users\Admin\AppData\Local\Temp\bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "5uwbmjpp" /tr '"C:\Users\Admin\AppData\Roaming\5uwbmjpp.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5628
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "5uwbmjpp" /tr '"C:\Users\Admin\AppData\Roaming\5uwbmjpp.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:860
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp190C.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5100
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4568
- - C:\Users\Admin\AppData\Roaming\5uwbmjpp.exe
    "C:\Users\Admin\AppData\Roaming\5uwbmjpp.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5976

C:\Users\Admin\AppData\Roaming\5uwbmjpp.exe
"C:\Users\Admin\AppData\Roaming\5uwbmjpp.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2024

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

tmp190C.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp190C.tmp.bat
Size 152B
SHA256 af4602e219a4d43bd06919cbc0916f80cc6b2769d3b50e389147869d270ecf8f
MD5 3a50ceebf1b7bb8c9730ffa134a15b98
SHA1 81379ddbf478d4891cad1df704910d21e43b0c45
SHA512 55cefd64c0a54b0350ee29e68fecefda6b11f4a5a01c1987d75192d6996f273ffe27fc8cec34d85c10b49192e4884b2f56163db06379fafd1a4142b45767603c
TLSH
T1AFC02B4695C9FA0E6C49185307FAEC8CA1766C193F44BB04D704840F1680448F0F9341
MD5 SHA1 SHA512 TLSH

Submit Download

5uwbmjpp.exe

Path C:\Users\Admin\AppData\Roaming\5uwbmjpp.exe
Size 45KB
SHA256 bdfaa6e5cb6357a76c0a1dda1d2179f4702bfc1c0a9362ab085b799a50b36602
MD5 19b767866ab90a4759cdc7fbf69651b4
SHA1 b8fc5e775ec3f92e557350212b9bdc2e6bcd08cc
SHA512 7f8636905df19cdfcc8dee22c29968b976ba1e8a770736a94a61e8110966ac5ade838a6a02505d730948ea776281ed7dfb3e793cce75dd0075767efed4f5d9a0
SSDEEP 768:vuogpT78XvEsWUOsRzqmo2qrOeqpG3jHuPIMzjbQgXtiNxx+y3Z6lR9oBDZkx:vuogpT7I62RzM3M3bXXcPky3Z6lR9Odm
TLSH
T154231A003BE9812BF2BE4FB899F26105467AF6637603D5891CC452DB5723FC68A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2024-12-0x0000000075190000-0x000000007594C000-memory.dmp

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memory/2024-14-0x0000000075190000-0x000000007594C000-memory.dmp

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memory/3948-0-0x00000000751A2000-0x00000000751A3000-memory.dmp

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memory/3948-1-0x00000000003E0000-0x00000000003F2000-memory.dmp

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memory/3948-2-0x0000000075190000-0x000000007594C000-memory.dmp

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memory/3948-3-0x0000000004F30000-0x0000000004FCC000-memory.dmp

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memory/3948-9-0x0000000075190000-0x000000007594C000-memory.dmp

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