asyncrat | e508e38d56c2d0c62b80bf11aeb4af982e5ce44e925c4858c725db2ba02aca2d

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 07:59

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General

Target

RFQ_#24429725,pdf.exe
Size

1.0MB
MD5

98c8ad44f3883561b9ec33744763f556
SHA1

54d00d5fc3a5c1c287c371699b027b83afbd3be2
SHA256

e508e38d56c2d0c62b80bf11aeb4af982e5ce44e925c4858c725db2ba02aca2d
SHA512

10826e4abc66c19ef106c91332cd0fab7b2e29975781a66570136aa507e296ffa43f7f62eeb634321f2ba442589550a52e43c0e57a2dab755ed29ea5ff5394aa
SSDEEP

24576:6qDEvCTbMWu7rQYlBQcBiT6rprG8apS0MHt:6TvC/MTQYxsWR7apM

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

oshaduck123.duckdns.org:6606

oshaduck123.duckdns.org:7707

oshaduck123.duckdns.org:8808

Mutex

ZWwiD1mukwdK

Attributes

delay
3
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 SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2304 set thread context of 4508	2304	RFQ_#24429725,pdf.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3460	2304	WerFault.exe	81

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ_#24429725,pdf.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2304	RFQ_#24429725,pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4508	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 4508	2304	RFQ_#24429725,pdf.exe	82
PID 2304 wrote to memory of 4508	2304	RFQ_#24429725,pdf.exe	82
PID 2304 wrote to memory of 4508	2304	RFQ_#24429725,pdf.exe	82
PID 2304 wrote to memory of 4508	2304	RFQ_#24429725,pdf.exe	82

C:\Users\Admin\AppData\Local\Temp\RFQ_#24429725,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ_#24429725,pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ_#24429725,pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4508
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 604
  2⤵
  - Program crash
  PID:3460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2304 -ip 2304
1⤵
PID:1152

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

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Downloads

memory/2304-6-0x00000000012C0000-0x00000000016C0000-memory.dmp

Filesize
4.0MB

Download
memory/4508-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4508-8-0x000000007403E000-0x000000007403F000-memory.dmp

Filesize
4KB

Download
memory/4508-9-0x0000000074030000-0x00000000747E0000-memory.dmp

Filesize
7.7MB

Download
memory/4508-10-0x0000000074030000-0x00000000747E0000-memory.dmp

Filesize
7.7MB

Download