asyncrat | 7a5274dda9bf19c24d5eb6d00daf537889cd1b46d304de8accda25f17b224516

Analysis

max time kernel
146s
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
14-11-2024 01:14

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General

Target

94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe
Size

1.7MB
MD5

5c1202c09bcdddfd51e8f60facada69f
SHA1

202a050ba01b38da95a438f8c2697b3710784d6f
SHA256

94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb
SHA512

3b7a39f7ff6c70da867783f8a4a115301662aba40662fe014c59d98345557efd669a6f176ce0175177441d803a8c078e2d69703e0084a4986528fb6cae3513c5
SSDEEP

24576:kKgB0OYGBDUi/CR3wCkCiRgoG7hBaHkbEXXeG/jFtVTTx9dCqZCf82f3iBLLzZ7y:bgB0BytRFk6ekxRbCqH2aBLFr/O

Score

10^/10

asyncrat fendi discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

FENDI

octubre212024.giize.com:2727

fuertefuerte.accesscam.org:2727

octubre242024.casacam.net:2727

castanojulian1111.chickenkiller.com:2727

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AnyDesignerEditor = "C:\\Users\\Admin\\Music\\AnyDesignerUpdater\\AnyConvertVideo.exe"	94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4340 set thread context of 4384	4340	94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.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	94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4340 wrote to memory of 4384	4340	94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe	93
PID 4340 wrote to memory of 4384	4340	94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe	93
PID 4340 wrote to memory of 4384	4340	94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe	93
PID 4340 wrote to memory of 4384	4340	94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe	93
PID 4340 wrote to memory of 4384	4340	94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe	93

C:\Users\Admin\AppData\Local\Temp\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe
"C:\Users\Admin\AppData\Local\Temp\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4340
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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/4340-0-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/4340-1-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/4340-2-0x000000000040D000-0x0000000000425000-memory.dmp

Filesize
96KB

Download
memory/4340-6-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/4340-9-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/4340-8-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/4340-5-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/4340-4-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/4340-3-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/4384-7-0x0000000000900000-0x0000000000912000-memory.dmp

Filesize
72KB

Download
memory/4384-10-0x0000000000290000-0x000000000049F000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads