asyncrat | bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76

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, 17:36

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General

Target
bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
Size 45KB
Sample260804-v62dvsar4y
SHA256 bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76
MD5 898cff95a0b46cc3b04afa28ba382164
SHA1 3efd0189d2fbb7617704044c78e15cded10036cc
SHA512 4647c7449c8f2bf650c3adc0c8c54cbe5ef96d9e98b434aec88db92123e8917b2f228c514071f86846d7b559d22ea43bb9379fc175097921fed3ee886006bc90
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFo3xY6AZOOPILzjbggz3iI+zKL4z7tBDZEx:MuLAZTnbg2RulO3L3bHzSgEzndEx
TLSH
T173232A003BE8812BF2BE4F78ACF26145467AF6A77603D58A1CC451D75613FC68A426FE
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
mirai.xcavengon.click:80
mirai.xcavengon.click:22
mirai.xcavengon.click:8080
mirai.xcavengon.click:8880
mirai.xcavengon.click:2052
mirai.xcavengon.click:2082
mirai.xcavengon.click:2086
mirai.xcavengon.click:2095
mirai.xcavengon.click:443
mirai.xcavengon.click:2053
mirai.xcavengon.click:2083
mirai.xcavengon.click:2087
mirai.xcavengon.click:2096
mirai.xcavengon.click:8443
blacklotus.xcavengon.click:80
blacklotus.xcavengon.click:22
blacklotus.xcavengon.click:8080
blacklotus.xcavengon.click:8880
blacklotus.xcavengon.click:2052
blacklotus.xcavengon.click:2082
blacklotus.xcavengon.click:2086
blacklotus.xcavengon.click:2095
blacklotus.xcavengon.click:443
blacklotus.xcavengon.click:2053
blacklotus.xcavengon.click:2083
blacklotus.xcavengon.click:2087
blacklotus.xcavengon.click:2096
blacklotus.xcavengon.click:8443
malware.xcavengon.click:80
malware.xcavengon.click:22
malware.xcavengon.click:8080
malware.xcavengon.click:8880
malware.xcavengon.click:2052
malware.xcavengon.click:2082
malware.xcavengon.click:2086
malware.xcavengon.click:2095
malware.xcavengon.click:443
malware.xcavengon.click:2053
malware.xcavengon.click:2083
malware.xcavengon.click:2087
malware.xcavengon.click:2096
malware.xcavengon.click:8443

Mutex

17cb7XIYVDUJ

Attributes

delay
0
install
true
install_file
uug6k.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/0x000e00000001c534-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1688	uug6k.exe
2824	uug6k.exe

Outbound SSH connection to public host 2 TTPs 3 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	13	172.67.189.217:22
SSH destination	17	104.21.10.8:22
SSH destination	11	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
3104	cmd.exe
5116	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	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.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	uug6k.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uug6k.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1556	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
5216	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
Token: SeDebugPrivilege	1688	uug6k.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5824 wrote to memory of 3104	5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe	88
PID 5824 wrote to memory of 5116	5824	bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe	90
PID 3104 wrote to memory of 5216	3104	cmd.exe	92
PID 5116 wrote to memory of 1556	5116	cmd.exe	93
PID 5116 wrote to memory of 2824	5116	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe
"C:\Users\Admin\AppData\Local\Temp\bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "uug6k" /tr '"C:\Users\Admin\AppData\Roaming\uug6k.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3104
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "uug6k" /tr '"C:\Users\Admin\AppData\Roaming\uug6k.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5216
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD41F.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5116
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1556
- - C:\Users\Admin\AppData\Roaming\uug6k.exe
    "C:\Users\Admin\AppData\Roaming\uug6k.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2824

C:\Users\Admin\AppData\Roaming\uug6k.exe
"C:\Users\Admin\AppData\Roaming\uug6k.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1688

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

tmpD41F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpD41F.tmp.bat
Size 149B
SHA256 304c1a7570eb2bd2cf52f1757d48b375273f23deffc47185a5e2746631d0763a
MD5 6c3045eb6bece5c561e8b23777112a69
SHA1 f8a16c165ed9af4472589dc4bf2291dcab8e7952
SHA512 5476442d4214c028e8981189c0db2841ee5631d2a995f086efdb76a3d5471a365fbb13d36e242a80ef9696282c9aedd9abf8dea7db83b59f94a4ed8141b8c191
TLSH
T1EEC02B4361C9EA1F2C0D145307FBE4AC91777C593F88BF00D304440E1280849F4ED342
MD5 SHA1 SHA512 TLSH

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uug6k.exe

Path C:\Users\Admin\AppData\Roaming\uug6k.exe
Size 45KB
SHA256 bcdba212508eecd7fd3128014c50bdb9466a6db4e471e7781ffe8f56b4249a76
MD5 898cff95a0b46cc3b04afa28ba382164
SHA1 3efd0189d2fbb7617704044c78e15cded10036cc
SHA512 4647c7449c8f2bf650c3adc0c8c54cbe5ef96d9e98b434aec88db92123e8917b2f228c514071f86846d7b559d22ea43bb9379fc175097921fed3ee886006bc90
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFo3xY6AZOOPILzjbggz3iI+zKL4z7tBDZEx:MuLAZTnbg2RulO3L3bHzSgEzndEx
TLSH
T173232A003BE8812BF2BE4F78ACF26145467AF6A77603D58A1CC451D75613FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1688-12-0x00000000742B0000-0x0000000074A6C000-memory.dmp

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memory/1688-14-0x00000000742B0000-0x0000000074A6C000-memory.dmp

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memory/5824-0-0x0000000074432000-0x0000000074433000-memory.dmp

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memory/5824-1-0x00000000007B0000-0x00000000007C2000-memory.dmp

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memory/5824-2-0x0000000074420000-0x0000000074BDC000-memory.dmp

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memory/5824-3-0x0000000005300000-0x000000000539C000-memory.dmp

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memory/5824-8-0x0000000074420000-0x0000000074BDC000-memory.dmp

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