d6629a9b618ede05e9e75a2cebfb69bc7b1a34fe00a42ff60d88828a307c0d08

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 19:36

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General

Target
Reader.lnk
Size 2KB
Sample240909-ybl78swdlm
SHA256 61f36c5ae038faa2b58a9a17b464d01414b4265e46634f353319c471d0a35789
MD5 66bb9363e23c7ef2d16c89cd654b491e
SHA1 c20e8d536804cf97584eec93d9a89c09541155bc
SHA512 b7a751e49218230d574ca9cc4cbbb1995d89798268124b1617889c7558c66902f81fdb77a299edcc6d96452cec81adb76768172710e00c9272d30821ab0089c5
MD5 SHA1 SHA512

Score

9^/10

evasion execution ransomware

Malware Config

Signatures

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
1604	bcdedit.exe
2784	bcdedit.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2612	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2612	powershell.exe
2612	powershell.exe
2612	powershell.exe
2604	red.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	powershell.exe
Token: SeTakeOwnershipPrivilege	2604	red.exe
Token: SeDebugPrivilege	2604	red.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2612	2272	cmd.exe	31
PID 2272 wrote to memory of 2612	2272	cmd.exe	31
PID 2272 wrote to memory of 2612	2272	cmd.exe	31
PID 2612 wrote to memory of 2604	2612	powershell.exe	32
PID 2612 wrote to memory of 2604	2612	powershell.exe	32
PID 2612 wrote to memory of 2604	2612	powershell.exe	32
PID 2604 wrote to memory of 2640	2604	red.exe	33
PID 2604 wrote to memory of 2640	2604	red.exe	33
PID 2604 wrote to memory of 2640	2604	red.exe	33
PID 2604 wrote to memory of 3052	2604	red.exe	35
PID 2604 wrote to memory of 3052	2604	red.exe	35
PID 2604 wrote to memory of 3052	2604	red.exe	35
PID 2640 wrote to memory of 1604	2640	cmd.exe	37
PID 2640 wrote to memory of 1604	2640	cmd.exe	37
PID 2640 wrote to memory of 1604	2640	cmd.exe	37
PID 3052 wrote to memory of 2784	3052	cmd.exe	38
PID 3052 wrote to memory of 2784	3052	cmd.exe	38
PID 3052 wrote to memory of 2784	3052	cmd.exe	38

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Reader.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden -command start red.exe "1"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Users\Admin\AppData\Local\Temp\red.exe
    "C:\Users\Admin\AppData\Local\Temp\red.exe" 1
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2604
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2640
    - - C:\Windows\system32\bcdedit.exe
        
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        5⤵
        Modifies boot configuration data using bcdedit
        
        PID:1604
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3052
    - - C:\Windows\system32\bcdedit.exe
        
        bcdedit /set {current} recoveryenabled no
        5⤵
        Modifies boot configuration data using bcdedit
        
        PID:2784

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

memory/2612-38-0x000007FEF628E000-0x000007FEF628F000-memory.dmp

Download

memory/2612-40-0x0000000001CF0000-0x0000000001CF8000-memory.dmp

Download

memory/2612-39-0x000000001B550000-0x000000001B832000-memory.dmp

Download

memory/2612-41-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Download

memory/2612-42-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

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memory/2612-44-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Download

memory/2612-43-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Download

memory/2612-45-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Download