asyncrat | 0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2

Analysis

max time kernel
150s
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
05/08/2026, 11:16

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General

Target
0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
Size 45KB
Sample260805-ndhbyszye1
SHA256 0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2
MD5 026b86ff9f2d39fc0d116cf6648f7118
SHA1 65dc1b9c9fb1d619039af29c7633f4548fc7d2f3
SHA512 0fb448772540c758f897facf8ff2e849800809a5cc30cb53974e1a325bde88f1ed81ac98afeef51cf19b3742fad527a8f6a94e720f259946d50c32dbbeeb91fb
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q112q0CCMPd4CvS8PImVjbigX3ibVQAp9BhCBDZMx:wuZ8pT1tc2MRCEWBm9bFXSbSW9MdMx
TLSH
T1C6232B003BE9812BF2BE4F78A9F26145867AF2632503D54A1CC451DB5A23FC69A436FD
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

bulon69.com:80
bulon69.com:22
bulon69.com:8080
bulon69.com:8880
bulon69.com:2052
bulon69.com:2082
bulon69.com:2086
bulon69.com:2095
bulon69.com:443
bulon69.com:2053
bulon69.com:2083
bulon69.com:2087
bulon69.com:2096
bulon69.com:8443
www.bulon69.com:80
www.bulon69.com:22
www.bulon69.com:8080
www.bulon69.com:8880
www.bulon69.com:2052
www.bulon69.com:2082
www.bulon69.com:2086
www.bulon69.com:2095
www.bulon69.com:443
www.bulon69.com:2053
www.bulon69.com:2083
www.bulon69.com:2087
www.bulon69.com:2096
www.bulon69.com:8443
mydoom.bulon69.com:80
mydoom.bulon69.com:22
mydoom.bulon69.com:8080
mydoom.bulon69.com:8880
mydoom.bulon69.com:2052
mydoom.bulon69.com:2082
mydoom.bulon69.com:2086
mydoom.bulon69.com:2095
mydoom.bulon69.com:443
mydoom.bulon69.com:2053
mydoom.bulon69.com:2083
mydoom.bulon69.com:2087
mydoom.bulon69.com:2096
mydoom.bulon69.com:8443
agenttesla.bulon69.com:80
agenttesla.bulon69.com:22
agenttesla.bulon69.com:8080
agenttesla.bulon69.com:8880
agenttesla.bulon69.com:2052
agenttesla.bulon69.com:2082
agenttesla.bulon69.com:2086
agenttesla.bulon69.com:2095
agenttesla.bulon69.com:443
agenttesla.bulon69.com:2053
agenttesla.bulon69.com:2083
agenttesla.bulon69.com:2087
agenttesla.bulon69.com:2096
agenttesla.bulon69.com:8443

Mutex

FYuC2SsXBvKc

Attributes

delay
0
install
true
install_file
iquc.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/0x000b00000001c81a-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5548	iquc.exe
1536	iquc.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	6	103.109.100.136:22
SSH destination	7	103.109.100.136:22
SSH destination	5	103.109.100.136:22

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
2952	cmd.exe
6352	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iquc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iquc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
6760	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
752	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
Token: SeDebugPrivilege	5548	iquc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4216 wrote to memory of 2952	4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe	91
PID 4216 wrote to memory of 6352	4216	0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe	92
PID 2952 wrote to memory of 752	2952	cmd.exe	95
PID 6352 wrote to memory of 6760	6352	cmd.exe	96
PID 6352 wrote to memory of 1536	6352	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe
"C:\Users\Admin\AppData\Local\Temp\0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4216
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "iquc" /tr '"C:\Users\Admin\AppData\Roaming\iquc.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "iquc" /tr '"C:\Users\Admin\AppData\Roaming\iquc.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:752
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp78D0.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6352
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:6760
- - C:\Users\Admin\AppData\Roaming\iquc.exe
    "C:\Users\Admin\AppData\Roaming\iquc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1536

C:\Users\Admin\AppData\Roaming\iquc.exe
"C:\Users\Admin\AppData\Roaming\iquc.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5548

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:1608

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

tmp78D0.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp78D0.tmp.bat
Size 148B
SHA256 92d17a066c1376d5f14f3b7a348e5dae6feb77aff9a603ead33bf09f8aa92c35
MD5 2e6604fdfd6931bd9a6ebe5dbe75e2a2
SHA1 712ec40369fcf7567f95a2a46f300cc094cb5e1b
SHA512 6ee57578b778d476b1ec2c449d7ad124e798118662b1e4bfca73368bdd882673701f765b520ea3ddf753c31c41ce2be598493998f49a9809ba665e7eaa06492c
TLSH
T17EC02B4391C6EBCF2806146316FAD5CC9172AC5D3F44FB00C348800D5380449F8D9345
MD5 SHA1 SHA512 TLSH

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iquc.exe

Path C:\Users\Admin\AppData\Roaming\iquc.exe
Size 45KB
SHA256 0b47b1948b27d4054e1b3d1e240b47f43e13b5e0a18861e0ef89cd2ae51f25a2
MD5 026b86ff9f2d39fc0d116cf6648f7118
SHA1 65dc1b9c9fb1d619039af29c7633f4548fc7d2f3
SHA512 0fb448772540c758f897facf8ff2e849800809a5cc30cb53974e1a325bde88f1ed81ac98afeef51cf19b3742fad527a8f6a94e720f259946d50c32dbbeeb91fb
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q112q0CCMPd4CvS8PImVjbigX3ibVQAp9BhCBDZMx:wuZ8pT1tc2MRCEWBm9bFXSbSW9MdMx
TLSH
T1C6232B003BE9812BF2BE4F78A9F26145867AF2632503D54A1CC451DB5A23FC69A436FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4216-0-0x0000000075042000-0x0000000075043000-memory.dmp

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memory/4216-1-0x0000000000F70000-0x0000000000F82000-memory.dmp

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memory/4216-2-0x0000000075030000-0x00000000757EC000-memory.dmp

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memory/4216-3-0x00000000059D0000-0x0000000005A6C000-memory.dmp

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memory/4216-8-0x0000000075030000-0x00000000757EC000-memory.dmp

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memory/5548-12-0x0000000074EC0000-0x000000007567C000-memory.dmp

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memory/5548-14-0x0000000074EC0000-0x000000007567C000-memory.dmp

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