asyncrat | f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
18-08-2024 19:09

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General

Target

f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe
Size

1.1MB
MD5

5061a0871f2a89181ab6e666df437cee
SHA1

e3843ee5d82c6e65fb55c602b91c7c4ace180520
SHA256

f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164
SHA512

6eacb7df5d8618b7ed7dae0de18cacf01d018cedf488a52753d0f2399c1688f134da7bd4c70861d1bbfcc68c4b6f9cca33ef6de6876953881cfe904b82405f6a
SSDEEP

12288:g/4iT/pAat3ppJbptMT4Z4AB+dyrjbK7UyrpdrUjC6HxPASp6VAbNfeDEi6F6q1n:wxv334vjcfQcLe2DtE/O0Xw

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

VenomRAT 1 IoCs

Detects VenomRAT.

rat

Processes:

resource	yara_rule
behavioral1/memory/2404-1-0x0000000000B10000-0x0000000000C34000-memory.dmp	VenomRAT

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2520 2404 WerFault.exe f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe

pid	pid_target	process	target process
2520	2404	WerFault.exe	f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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:

f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe

description pid process

Token: SeDebugPrivilege 2404 f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe

description	pid	process
Token: SeDebugPrivilege	2404	f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe

description	pid	process	target process
PID 2404 wrote to memory of 2520	2404	f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe	WerFault.exe
PID 2404 wrote to memory of 2520	2404	f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe	WerFault.exe
PID 2404 wrote to memory of 2520	2404	f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe	WerFault.exe
PID 2404 wrote to memory of 2520	2404	f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe
"C:\Users\Admin\AppData\Local\Temp\f6c62e3dd73100ccf63aac846c525138bd7005d6d3fecfb55cce837e6732d164.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 624
  2⤵
  - Program crash
  PID:2520

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/2404-0-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2404-1-0x0000000000B10000-0x0000000000C34000-memory.dmp

Filesize
1.1MB

Download
memory/2404-3-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2404-4-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2404-5-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download