asyncrat | 4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91

Analysis

max time kernel
118s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2024 21:21

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General

Target

4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe
Size

1.3MB
MD5

28f2501cc15062e392de5ec62796a33e
SHA1

06b1670e848520f39ca554b376aa1df177bdcb18
SHA256

4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91
SHA512

1ce8e32b307da7ada6ed8b8323c0155d8e7d95f99650f8c362d7c7bd288d94825b4c0544028feb0fa8759a3dc0f336cffb8c5de325abcc7c97171b086c8c982a
SSDEEP

24576:prEh3ZijTdfoXBZ4K1BunL32SenhydzeN1PXjmc/muTM7Eyv/fkVvMUw:pcZigZ4KX8D2BN1PhmZHv/cBw

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

Default

silenceme.duckdns.org:6606

silenceme.duckdns.org:7707

silenceme.duckdns.org:8808

Mutex

AsyncMutex_alosh

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe

description	pid	Process	procid_target
PID 4964 created 3484	4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe	56

Drops startup file 1 IoCs

Processes:

4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Path.vbs	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe

description	pid	Process	procid_target
PID 4964 set thread context of 4788	4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exeInstallUtil.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe

pid	Process
4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exeInstallUtil.exe

description	pid	Process
Token: SeDebugPrivilege	4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe
Token: SeDebugPrivilege	4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe
Token: SeDebugPrivilege	4788	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe

description	pid	Process	procid_target
PID 4964 wrote to memory of 4788	4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe	86
PID 4964 wrote to memory of 4788	4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe	86
PID 4964 wrote to memory of 4788	4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe	86
PID 4964 wrote to memory of 4788	4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe	86
PID 4964 wrote to memory of 4788	4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe	86
PID 4964 wrote to memory of 4788	4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe	86
PID 4964 wrote to memory of 4788	4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe	86
PID 4964 wrote to memory of 4788	4964	4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3484
- C:\Users\Admin\AppData\Local\Temp\4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe
  "C:\Users\Admin\AppData\Local\Temp\4710511b247d22015b72aca41c3b152a2eac5258d426d620daee4661a94f8f91.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4964
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4788-1093-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4788-1094-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4788-1096-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4788-1097-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4788-1098-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-37-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-1082-0x0000000005190000-0x00000000051DC000-memory.dmp

Filesize
304KB

Download
memory/4964-2-0x0000000004D80000-0x0000000004E6A000-memory.dmp

Filesize
936KB

Download
memory/4964-3-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-4-0x0000000005420000-0x00000000059C4000-memory.dmp

Filesize
5.6MB

Download
memory/4964-5-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/4964-6-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-17-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-61-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-69-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-67-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-65-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-63-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-59-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-57-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-55-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-51-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-47-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-45-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-43-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-39-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/4964-1089-0x00000000051F0000-0x0000000005244000-memory.dmp

Filesize
336KB

Download
memory/4964-1-0x00000000001D0000-0x0000000000322000-memory.dmp

Filesize
1.3MB

Download
memory/4964-25-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-29-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-27-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-31-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-23-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-19-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-15-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-13-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-12-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-9-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-7-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-53-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-49-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-41-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-21-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-1080-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-1081-0x00000000050E0000-0x000000000513C000-memory.dmp

Filesize
368KB

Download
memory/4964-33-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-1086-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-1087-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-1088-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-35-0x0000000004D80000-0x0000000004E64000-memory.dmp

Filesize
912KB

Download
memory/4964-1095-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download