c8a5e02417285b85da288818cca8a6900122011890fa92c9053787dfb195b8c6

Resubmissions

13-09-2022 06:25

220913-g6tr5aafem 10

13-09-2022 06:22

220913-g48s9seha8 5

12-09-2022 18:09

220912-wrkcgahefn 3

Analysis

max time kernel
136s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2022 06:22

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Report Analysis Logs

General

Target

sample/Document.lnk
Size

1KB
MD5

c6604e76ee959ef592e0c08bc556f3ab
SHA1

a68c9ce3ee38d020d165dd253105c542eccb2f9c
SHA256

b7c88bbf7004fe5e570c6db2730d773d0e782bebb8ab21a00309b663a95f52fb
SHA512

f428eeab9fe8dffa455de4fc45a1d1b48ec4bf7fffdfb2a8f1366cbeed821f0b47e8754ec5c03f9939ebab7b07ff7ff872042b3a77db0273567c7830ba652f82

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk	PowerShell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Opens file in notepad (likely ransom note) 2 IoCs

ransomware

pid	Process
4496	NOTEPAD.EXE
720	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2348	PowerShell.exe
2348	PowerShell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	PowerShell.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
720	NOTEPAD.EXE
720	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2836	2664	cmd.exe	111
PID 2664 wrote to memory of 2836	2664	cmd.exe	111
PID 2348 wrote to memory of 3280	2348	PowerShell.exe	114
PID 2348 wrote to memory of 3280	2348	PowerShell.exe	114
PID 3280 wrote to memory of 1116	3280	cmd.exe	115
PID 3280 wrote to memory of 1116	3280	cmd.exe	115

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sample\Document.lnk
1⤵
PID:1724

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2152

C:\Windows\System32\NOTEPAD.EXE
"C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sample\son\soaring.bat
1⤵
- Opens file in notepad (likely ransom note)
PID:4496

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sample\son\soaring.bat" "
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\system32\xcopy.exe
  xcopy /s /i /e /h son\enchanting.dat C:\Users\Admin\AppData\Local\Temp\*
  2⤵
  PID:2836

C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
"PowerShell.exe" -noexit -command Set-Location -literalPath 'C:\Users\Admin\AppData\Local\Temp\sample\son'
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sample\son\soaring.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3280
- - C:\Windows\system32\xcopy.exe
    xcopy /s /i /e /h son\enchanting.dat C:\Users\Admin\AppData\Local\Temp\*
    3⤵
    PID:1116

C:\Windows\System32\NOTEPAD.EXE
"C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sample\son\soaring.bat
1⤵
- Opens file in notepad (likely ransom note)
- Suspicious use of FindShellTrayWindow
PID:720

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2348-133-0x0000025CC73D0000-0x0000025CC73F2000-memory.dmp

Filesize
136KB

Download
memory/2348-134-0x0000025CE14E0000-0x0000025CE1524000-memory.dmp

Filesize
272KB

Download
memory/2348-135-0x00007FFFCACE0000-0x00007FFFCB7A1000-memory.dmp

Filesize
10.8MB

Download
memory/2348-136-0x0000025CE15B0000-0x0000025CE1626000-memory.dmp

Filesize
472KB

Download
memory/2348-137-0x0000025CE14B0000-0x0000025CE14CE000-memory.dmp

Filesize
120KB

Download
memory/2348-140-0x00007FFFCACE0000-0x00007FFFCB7A1000-memory.dmp

Filesize
10.8MB

Download