asyncrat | e73cf088fe7f739370ea226f1afbf172608d9a14af240fd58411ccbf21c7d27b

Analysis

max time kernel
135s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 05:26

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General

Target

JaffaCakes118_48cf671b76382e269d5df9a54d13eef6.ps1
Size

84KB
MD5

48cf671b76382e269d5df9a54d13eef6
SHA1

9ae3c7c3777081954e0e2dcc2cad7572be563c3a
SHA256

e73cf088fe7f739370ea226f1afbf172608d9a14af240fd58411ccbf21c7d27b
SHA512

109e101c75440d536d0cd629b31e27ed0d7f29c9742d532e505390225f585ba0e33bfa9066055a62f73023380f371bc0a0b49474e2482d639fc149302ba79668
SSDEEP

1536:TcSoPFh67RiCEvzo/rJV4Jx59PwpMvj7QInrLdJg9mRY1tW:kvE9WJ1PRnrJJgUGW

Score

10^/10

asyncrat default discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

rick63.publicvm.com:5900

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WeatherLocationLogin.vbs	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4960 set thread context of 2056	4960	powershell.exe	83

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4960	powershell.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4960	powershell.exe
4960	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4960	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 2056	4960	powershell.exe	83
PID 4960 wrote to memory of 2056	4960	powershell.exe	83
PID 4960 wrote to memory of 2056	4960	powershell.exe	83
PID 4960 wrote to memory of 2056	4960	powershell.exe	83
PID 4960 wrote to memory of 2056	4960	powershell.exe	83
PID 4960 wrote to memory of 2056	4960	powershell.exe	83
PID 4960 wrote to memory of 2056	4960	powershell.exe	83
PID 4960 wrote to memory of 2056	4960	powershell.exe	83

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48cf671b76382e269d5df9a54d13eef6.ps1
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4960
- 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
  PID:2056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hrjrspjf.rkk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2056-17-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2056-24-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/2056-23-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2056-22-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/2056-21-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/4960-14-0x0000026BEEA60000-0x0000026BEEF88000-memory.dmp

Filesize
5.2MB

Download
memory/4960-16-0x0000026BEE0C0000-0x0000026BEE0CA000-memory.dmp

Filesize
40KB

Download
memory/4960-0-0x00007FF865413000-0x00007FF865415000-memory.dmp

Filesize
8KB

Download
memory/4960-20-0x00007FF865410000-0x00007FF865ED1000-memory.dmp

Filesize
10.8MB

Download
memory/4960-13-0x0000026BEE4B0000-0x0000026BEE526000-memory.dmp

Filesize
472KB

Download
memory/4960-12-0x00007FF865410000-0x00007FF865ED1000-memory.dmp

Filesize
10.8MB

Download
memory/4960-11-0x00007FF865410000-0x00007FF865ED1000-memory.dmp

Filesize
10.8MB

Download
memory/4960-1-0x0000026BED0A0000-0x0000026BED0C2000-memory.dmp

Filesize
136KB

Download