asyncrat | 0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920

Analysis

max time kernel
149s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 02:11

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General

Target

0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe
Size

1.2MB
MD5

a29f9fc797047681fb4ad3baf2561268
SHA1

1db4c0ad94fc2f66242b9a5b9831d5986e7ab4b5
SHA256

0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920
SHA512

2b7bd847fae905876cd763601673e457b27c22d66d7483eceb32cdcdb82b6b9b7aa49017cf7cb7c715e1909b82850192d3ce2f7b3ce11b68790d91b09c976eb5
SSDEEP

12288:sucNom7i1twdtfp0hgJhtP1XSfSjlASSMCvL0mWWaos2Z2x/bVGpb:sRflp0KhB1/RSMo08aoz

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 3264 set thread context of 4548	3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe	99

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	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe
3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe
3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe
Token: SeDebugPrivilege	4548	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3264 wrote to memory of 4548	3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe	99
PID 3264 wrote to memory of 4548	3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe	99
PID 3264 wrote to memory of 4548	3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe	99
PID 3264 wrote to memory of 4548	3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe	99
PID 3264 wrote to memory of 4548	3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe	99
PID 3264 wrote to memory of 4548	3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe	99
PID 3264 wrote to memory of 4548	3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe	99
PID 3264 wrote to memory of 4548	3264	0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe	99

C:\Users\Admin\AppData\Local\Temp\0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe
"C:\Users\Admin\AppData\Local\Temp\0fa64bf7de3a0d4c03b232ac612f221fc8355d83d839daba6e1e994f19da8920.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3264
- 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:4548

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/3264-8-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/3264-13-0x0000000006ED0000-0x0000000006ED6000-memory.dmp

Filesize
24KB

Download
memory/3264-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/3264-3-0x0000000005980000-0x0000000005F24000-memory.dmp

Filesize
5.6MB

Download
memory/3264-4-0x0000000005470000-0x0000000005502000-memory.dmp

Filesize
584KB

Download
memory/3264-5-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/3264-6-0x0000000005410000-0x0000000005454000-memory.dmp

Filesize
272KB

Download
memory/3264-7-0x00000000058F0000-0x00000000058FA000-memory.dmp

Filesize
40KB

Download
memory/3264-2-0x00000000052B0000-0x000000000534C000-memory.dmp

Filesize
624KB

Download
memory/3264-9-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/3264-11-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/3264-10-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/3264-12-0x0000000006C50000-0x0000000006C6A000-memory.dmp

Filesize
104KB

Download
memory/3264-1-0x00000000006F0000-0x0000000000832000-memory.dmp

Filesize
1.3MB

Download
memory/3264-17-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/4548-16-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/4548-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4548-18-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/4548-19-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download