asyncrat | 2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/07/2026, 11:05

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
Size 45KB
Sample260701-m63b6aev6w
SHA256 2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381
MD5 fca6681d755940a5acd713f2b2e1d21b
SHA1 69c98ac3c17f58f922c2a888c097a9077d440535
SHA512 548f72c6984a3bb7781da1c72b28694b2d5b6b4e3e2e910943aa80786fe0fdf63aeb05e0fe5b77a105bc9fc1eac692cee672f03955f376a18d6f1b0eb01e97c4
SSDEEP 768:Iu5KkpTsU6Q8WU+xjamo2q1eT9Qpm9PIHzjbJgX3ipdPmRVxY/BDZLx:Iu5KkpTsx/2pQH3bGXSqRVxwdLx
TLSH
T1E4232B003BE8863BF2BE4FB46CF26145857AF1632603D54D6CC4129B5623FC69A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

bbnous.com:80
bbnous.com:22
bbnous.com:8080
bbnous.com:8880
bbnous.com:2052
bbnous.com:2082
bbnous.com:2086
bbnous.com:2095
bbnous.com:443
bbnous.com:2053
bbnous.com:2083
bbnous.com:2087
bbnous.com:2096
bbnous.com:8443
www.bbnous.com:80
www.bbnous.com:22
www.bbnous.com:8080
www.bbnous.com:8880
www.bbnous.com:2052
www.bbnous.com:2082
www.bbnous.com:2086
www.bbnous.com:2095
www.bbnous.com:443
www.bbnous.com:2053
www.bbnous.com:2083
www.bbnous.com:2087
www.bbnous.com:2096
www.bbnous.com:8443
shamoon.bbnous.com:80
shamoon.bbnous.com:22
shamoon.bbnous.com:8080
shamoon.bbnous.com:8880
shamoon.bbnous.com:2052
shamoon.bbnous.com:2082
shamoon.bbnous.com:2086
shamoon.bbnous.com:2095
shamoon.bbnous.com:443
shamoon.bbnous.com:2053
shamoon.bbnous.com:2083
shamoon.bbnous.com:2087
shamoon.bbnous.com:2096
shamoon.bbnous.com:8443
client.bbnous.com:80
client.bbnous.com:22
client.bbnous.com:8080
client.bbnous.com:8880
client.bbnous.com:2052
client.bbnous.com:2082
client.bbnous.com:2086
client.bbnous.com:2095
client.bbnous.com:443
client.bbnous.com:2053
client.bbnous.com:2083
client.bbnous.com:2087
client.bbnous.com:2096
client.bbnous.com:8443

Mutex

2ZpbAB5VfGFd

Attributes

delay
0
install
true
install_file
556vh6k4.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/0x000e00000001c5b8-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5056	556vh6k4.exe
2012	556vh6k4.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	556vh6k4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	556vh6k4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5792	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
5268	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
Token: SeDebugPrivilege	5056	556vh6k4.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 3244	1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe	88
PID 1212 wrote to memory of 5568	1212	2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe	90
PID 3244 wrote to memory of 5268	3244	cmd.exe	92
PID 5568 wrote to memory of 5792	5568	cmd.exe	93
PID 5568 wrote to memory of 2012	5568	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe
"C:\Users\Admin\AppData\Local\Temp\2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "556vh6k4" /tr '"C:\Users\Admin\AppData\Roaming\556vh6k4.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3244
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "556vh6k4" /tr '"C:\Users\Admin\AppData\Roaming\556vh6k4.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5268
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp71A.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5568
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5792
- - C:\Users\Admin\AppData\Roaming\556vh6k4.exe
    "C:\Users\Admin\AppData\Roaming\556vh6k4.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2012

C:\Users\Admin\AppData\Roaming\556vh6k4.exe
"C:\Users\Admin\AppData\Roaming\556vh6k4.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5056

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

tmp71A.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp71A.tmp.bat
Size 151B
SHA256 107dd302459a52866ae53cd14e4f19c61929d9494d71e0f905c520dfc3a7e2aa
MD5 87879972d7f3ddba6070e47617ecb72a
SHA1 54589bb2113e9ab3ca2b15063dd75dc4ae27dc17
SHA512 e51c5ed7dcb65ebd80f2c4cc9b551e068eea5f569637bc5d170f6c910f213e4a3eb14c2162569c39b971b597ea8e0255db6a2f9f6c97eb0ea25580311aec34b9
TLSH
T18AC02B6251C5EE0E3805545302FAD49DE1766C5D3F40FB81C704405D2280C88F8D9345
MD5 SHA1 SHA512 TLSH

Submit Download

556vh6k4.exe

Path C:\Users\Admin\AppData\Roaming\556vh6k4.exe
Size 45KB
SHA256 2be219e65392ffe8182fd1140e2eed5f48a19a5704c55dba30a3ae7c23e4e381
MD5 fca6681d755940a5acd713f2b2e1d21b
SHA1 69c98ac3c17f58f922c2a888c097a9077d440535
SHA512 548f72c6984a3bb7781da1c72b28694b2d5b6b4e3e2e910943aa80786fe0fdf63aeb05e0fe5b77a105bc9fc1eac692cee672f03955f376a18d6f1b0eb01e97c4
SSDEEP 768:Iu5KkpTsU6Q8WU+xjamo2q1eT9Qpm9PIHzjbJgX3ipdPmRVxY/BDZLx:Iu5KkpTsx/2pQH3bGXSqRVxwdLx
TLSH
T1E4232B003BE8863BF2BE4FB46CF26145857AF1632603D54D6CC4129B5623FC69A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1212-0-0x00000000745F2000-0x00000000745F3000-memory.dmp

Download

memory/1212-1-0x0000000000F90000-0x0000000000FA2000-memory.dmp

Download

memory/1212-2-0x00000000745E0000-0x0000000074D9C000-memory.dmp

Download

memory/1212-3-0x0000000005B20000-0x0000000005BBC000-memory.dmp

Download

memory/1212-8-0x00000000745E0000-0x0000000074D9C000-memory.dmp

Download

memory/5056-12-0x0000000074470000-0x0000000074C2C000-memory.dmp

Download

memory/5056-14-0x0000000074470000-0x0000000074C2C000-memory.dmp

Download