asyncrat | 196179f67d68cce7bfeac16afb4c31acfc881572b307a61764523f90be84b043

Analysis

max time kernel
135s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 01:09

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General

Target

faggotkiller.exe
Size

6.7MB
MD5

867aaa72c0458edbf0c4bdb658bb5377
SHA1

671f96b68eb6844568c2bf230f86e4cd14cf8ff4
SHA256

196179f67d68cce7bfeac16afb4c31acfc881572b307a61764523f90be84b043
SHA512

18171a069ac194777d9081b8e27a9a0ad13f14772085f346bc88a327e413590ef57d229976781744d2d28cb39cbda9ac01e4230bef1cc4ab9aaace7bbae51c23
SSDEEP

196608:mQhDRABoDVISzwVXinBrsvV5CnYSwUrA5wObjz:thDRVDV54KsbCYS3rAaObn

Score

10^/10

asyncrat 1337 discovery rat

Malware Config

Extracted

Family

asyncrat

Version

hookRAT / private

Botnet

1337

147.185.221.16:56793

Mutex

2jepz68ISJs0

Attributes

delay
3
install
false
install_file
Update.exe
install_folder
%AppData%

aes.plain

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4300 set thread context of 1144	4300	faggotkiller.exe	96

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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	faggotkiller.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4300	faggotkiller.exe
4300	faggotkiller.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4300	faggotkiller.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 2832	4300	faggotkiller.exe	95
PID 4300 wrote to memory of 2832	4300	faggotkiller.exe	95
PID 4300 wrote to memory of 2832	4300	faggotkiller.exe	95
PID 4300 wrote to memory of 1144	4300	faggotkiller.exe	96
PID 4300 wrote to memory of 1144	4300	faggotkiller.exe	96
PID 4300 wrote to memory of 1144	4300	faggotkiller.exe	96
PID 4300 wrote to memory of 1144	4300	faggotkiller.exe	96
PID 4300 wrote to memory of 1144	4300	faggotkiller.exe	96
PID 4300 wrote to memory of 1144	4300	faggotkiller.exe	96
PID 4300 wrote to memory of 1144	4300	faggotkiller.exe	96
PID 4300 wrote to memory of 1144	4300	faggotkiller.exe	96

C:\Users\Admin\AppData\Local\Temp\faggotkiller.exe
"C:\Users\Admin\AppData\Local\Temp\faggotkiller.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2832
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1144

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/1144-11-0x0000000000400000-0x0000000000AA8000-memory.dmp

Filesize
6.7MB

Download
memory/1144-16-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/1144-15-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/1144-14-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/4300-4-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/4300-5-0x0000000006010000-0x000000000601A000-memory.dmp

Filesize
40KB

Download
memory/4300-6-0x0000000006310000-0x0000000006386000-memory.dmp

Filesize
472KB

Download
memory/4300-7-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/4300-8-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/4300-9-0x0000000007BD0000-0x000000000827C000-memory.dmp

Filesize
6.7MB

Download
memory/4300-10-0x00000000065E0000-0x00000000065FE000-memory.dmp

Filesize
120KB

Download
memory/4300-0-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/4300-3-0x0000000005F10000-0x0000000005FA2000-memory.dmp

Filesize
584KB

Download
memory/4300-13-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/4300-2-0x0000000006620000-0x0000000006BC4000-memory.dmp

Filesize
5.6MB

Download
memory/4300-1-0x0000000000FD0000-0x000000000167E000-memory.dmp

Filesize
6.7MB

Download