asyncrat | 80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96

General

Target

80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe
Size

83KB
MD5

56908392d21ec7d8be04f7bbd59732c2
SHA1

c864ef983e05ec65fcb4c9ef19444eef8728cc2b
SHA256

80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96
SHA512

6d6aa7cc3bc963d8c0ed2eca6250f6a09ca69228704dabf5998bf8069708fbe4739a8e4ca47086cd937984b58c029af239442ac6227335320e51fc6d40e9e981
SSDEEP

1536:msGVpglGkHHFwPtwKOl2Dp+jZuMzJAGdjl:NV9OFtOAQQMzJVdjl

Score

10^/10

asyncrat default persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

2.58.56.22:5211

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_file
Spoofer.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4800-140-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vlc = "C:\\Program Files (x86)\\vlc\\vlc.exe"	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe

description	pid	process	target process
PID 448 set thread context of 4800	448	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe	RegAsm.exe

Drops file in Program Files directory 1 IoCs

Processes:

80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe

description ioc process

File created C:\Program Files (x86)\vlc\vlc.exe 80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1896 powershell.exe
1896 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1896 powershell.exe
Token: SeDebugPrivilege 4800 RegAsm.exe

description	ioc	process
File created	C:\Program Files (x86)\vlc\vlc.exe	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe

pid	process
1896	powershell.exe
1896	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1896	powershell.exe
Token: SeDebugPrivilege	4800	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe

description	pid	process	target process
PID 448 wrote to memory of 1896	448	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe	powershell.exe
PID 448 wrote to memory of 1896	448	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe	powershell.exe
PID 448 wrote to memory of 1896	448	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe	powershell.exe
PID 448 wrote to memory of 4800	448	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe	RegAsm.exe
PID 448 wrote to memory of 4800	448	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe	RegAsm.exe
PID 448 wrote to memory of 4800	448	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe	RegAsm.exe
PID 448 wrote to memory of 4800	448	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe	RegAsm.exe
PID 448 wrote to memory of 4800	448	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe	RegAsm.exe
PID 448 wrote to memory of 4800	448	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe	RegAsm.exe
PID 448 wrote to memory of 4800	448	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe	RegAsm.exe
PID 448 wrote to memory of 4800	448	80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe
"C:\Users\Admin\AppData\Local\Temp\80f785a35f7487df96bb17b1fe2a67f188417ad017db8efac8d83b3858efcd96.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:448

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'vlc';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'vlc' -Value '"C:\Program Files (x86)\vlc\vlc.exe"' -PropertyType 'String'
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1896

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4800

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/448-132-0x0000000000DE0000-0x0000000000DFA000-memory.dmp

Filesize
104KB

Download
memory/448-133-0x0000000005E10000-0x00000000063B4000-memory.dmp

Filesize
5.6MB

Download
memory/448-134-0x0000000005860000-0x00000000058F2000-memory.dmp

Filesize
584KB

Download
memory/448-135-0x0000000005940000-0x000000000594A000-memory.dmp

Filesize
40KB

Download
memory/448-136-0x00000000059D0000-0x0000000005A46000-memory.dmp

Filesize
472KB

Download
memory/448-137-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

Filesize
120KB

Download
memory/1896-144-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/1896-141-0x0000000002490000-0x00000000024C6000-memory.dmp

Filesize
216KB

Download
memory/1896-142-0x0000000004F10000-0x0000000005538000-memory.dmp

Filesize
6.2MB

Download
memory/1896-143-0x0000000004CD0000-0x0000000004CF2000-memory.dmp

Filesize
136KB

Download
memory/1896-138-0x0000000000000000-mapping.dmp

Download
memory/1896-145-0x0000000005790000-0x00000000057F6000-memory.dmp

Filesize
408KB

Download
memory/1896-146-0x0000000004B50000-0x0000000004B6E000-memory.dmp

Filesize
120KB

Download
memory/1896-147-0x0000000006DA0000-0x0000000006E36000-memory.dmp

Filesize
600KB

Download
memory/1896-148-0x00000000062D0000-0x00000000062EA000-memory.dmp

Filesize
104KB

Download
memory/1896-149-0x0000000006320000-0x0000000006342000-memory.dmp

Filesize
136KB

Download
memory/4800-139-0x0000000000000000-mapping.dmp

Download
memory/4800-140-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads