asyncrat | 1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/01/2025, 22:41

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General

Target

1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe
Size

1.4MB
MD5

be1727f95815127020ee54942d5fda49
SHA1

9aa064ee91e8e195feffcf94002c89cb20f93a7a
SHA256

1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8
SHA512

a317376e19e970ad85b43774602094294c9cdd325c65b2a964c1648629625c77009a24378ad45de8063c07af8c8373347c7fea763bf8ccb89c500411dee3b639
SSDEEP

24576:2bcgonHEwRinwG/8Z5wLaMkQeGjfOWW5/xyGCq/jEczJmsXHdnUO429eP7:HRiwG/2RMkQeGjWWMYI/IczJlUOrK

Score

10^/10

asyncrat zzdefault discovery rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

zzDefault

deadpoolstart2026.duckdns.org:4010

Mutex

cookiestemp

Attributes

delay
1
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

description	pid	Process	procid_target
PID 392 created 3440	392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe	56

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Item.vbs	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 392 set thread context of 764	392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe	100

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe
392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe
392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe
Token: SeDebugPrivilege	392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe
Token: SeDebugPrivilege	764	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 392 wrote to memory of 764	392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe	100
PID 392 wrote to memory of 764	392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe	100
PID 392 wrote to memory of 764	392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe	100
PID 392 wrote to memory of 764	392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe	100
PID 392 wrote to memory of 764	392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe	100
PID 392 wrote to memory of 764	392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe	100
PID 392 wrote to memory of 764	392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe	100
PID 392 wrote to memory of 764	392	1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3440
- C:\Users\Admin\AppData\Local\Temp\1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.exe
  "C:\Users\Admin\AppData\Local\Temp\1d26170ba16131f0321cf65e19a0ce4acfc7d5dc7cb8b020431019eaf5f888e8.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:392
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:764

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/392-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/392-1-0x0000000000E10000-0x0000000000F7E000-memory.dmp

Filesize
1.4MB

Download
memory/392-2-0x0000000005850000-0x0000000005952000-memory.dmp

Filesize
1.0MB

Download
memory/392-3-0x0000000005F00000-0x00000000064A4000-memory.dmp

Filesize
5.6MB

Download
memory/392-4-0x00000000059F0000-0x0000000005A82000-memory.dmp

Filesize
584KB

Download
memory/392-14-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-46-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-68-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-66-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-64-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-62-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-60-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-58-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-56-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-54-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-52-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-50-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-48-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-44-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-42-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-40-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-38-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-36-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-35-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-30-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-28-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-26-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-24-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-22-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-20-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-16-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-12-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-10-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-33-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-8-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-6-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-18-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-5-0x0000000005850000-0x000000000594C000-memory.dmp

Filesize
1008KB

Download
memory/392-1327-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/392-1328-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/392-1329-0x0000000005AD0000-0x0000000005B2C000-memory.dmp

Filesize
368KB

Download
memory/392-1330-0x0000000005B90000-0x0000000005BEA000-memory.dmp

Filesize
360KB

Download
memory/392-1331-0x0000000005B30000-0x0000000005B7C000-memory.dmp

Filesize
304KB

Download
memory/392-1332-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/392-1333-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/392-1334-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/392-1335-0x00000000065F0000-0x0000000006644000-memory.dmp

Filesize
336KB

Download
memory/392-1341-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/392-1343-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/392-1347-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/392-1346-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/764-1345-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/764-1348-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/764-1349-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/764-1352-0x0000000005D80000-0x0000000005E1C000-memory.dmp

Filesize
624KB

Download
memory/764-1353-0x0000000005E90000-0x0000000005EF6000-memory.dmp

Filesize
408KB

Download
memory/764-1354-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/764-1355-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/764-1356-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/764-1357-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download