asyncrat | 76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a

Analysis

max time kernel
147s
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
16-11-2024 22:27

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General

Target

76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe
Size

1.1MB
MD5

ce06f126fc10c87fcfff0f928ab6b897
SHA1

29c8c7339817b5c601ae65222032739e6235c868
SHA256

76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a
SHA512

50b92b46792e9ce09a1a70fdea37ebdf1a93d0689159db6469a5ae2a1c61b7b72bdbc43d8d8f4a2e2a20ec57a74487557a63f3f7083f7a3f57898d5b04ec4575
SSDEEP

12288:fWYUw4FaUHJF/xTxN3aD+L/BPyf13SFyIz8VOHaaASSMCFF50mWWaos2ZtQOGx/K:fcw4FqD+FPyf13WyOvSMyT08aoz

Score

10^/10

asyncrat discovery rat

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 460 set thread context of 1544	460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	93

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	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe
460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe
460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe
Token: SeDebugPrivilege	1544	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 1544	460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	93
PID 460 wrote to memory of 1544	460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	93
PID 460 wrote to memory of 1544	460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	93
PID 460 wrote to memory of 1544	460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	93
PID 460 wrote to memory of 1544	460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	93
PID 460 wrote to memory of 1544	460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	93
PID 460 wrote to memory of 1544	460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	93
PID 460 wrote to memory of 1544	460	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	93

C:\Users\Admin\AppData\Local\Temp\76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe
"C:\Users\Admin\AppData\Local\Temp\76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:460
- 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:1544

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/460-8-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/460-13-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/460-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/460-3-0x00000000050B0000-0x000000000514C000-memory.dmp

Filesize
624KB

Download
memory/460-4-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/460-5-0x0000000004F70000-0x0000000004FB4000-memory.dmp

Filesize
272KB

Download
memory/460-6-0x0000000005940000-0x0000000005EE4000-memory.dmp

Filesize
5.6MB

Download
memory/460-7-0x00000000055C0000-0x00000000055CA000-memory.dmp

Filesize
40KB

Download
memory/460-2-0x0000000005010000-0x00000000050A2000-memory.dmp

Filesize
584KB

Download
memory/460-9-0x0000000006FD0000-0x0000000006FEA000-memory.dmp

Filesize
104KB

Download
memory/460-11-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/460-10-0x0000000006A70000-0x0000000006A76000-memory.dmp

Filesize
24KB

Download
memory/460-12-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/460-1-0x0000000000AB0000-0x0000000000BC8000-memory.dmp

Filesize
1.1MB

Download
memory/460-16-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1544-17-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1544-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1544-18-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1544-19-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download