0f3fe0c5e38cbabd6d0e2622586d5d1850169131555f6bd09529f62cbc4add9c

Analysis

max time kernel
190s
max time network
234s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 19:03

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General

Target

file.exe
Size

7.3MB
MD5

629928a08a33a9a226b3922273c8ba95
SHA1

5f7dfc896763e242e039ac513f4ddb3db1077467
SHA256

0f3fe0c5e38cbabd6d0e2622586d5d1850169131555f6bd09529f62cbc4add9c
SHA512

f6846b63e9a40f2b4cb519c1e8f2f3a761901fe218649ccaa7766b0776a367a4fe5f7276b71d2b6f12084eef727612f8785807e1e5d444828b312d078f879beb
SSDEEP

196608:91Ol3enGVEnUFgLBaWo1ft1cp2xUeWbbf310eh:3OlOnGVEnUGVmfA5Pvf310C

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1968	Install.exe
556	Install.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Install.exe

Loads dropped DLL 8 IoCs

pid	Process
1776	file.exe
1968	Install.exe
1968	Install.exe
1968	Install.exe
1968	Install.exe
556	Install.exe
556	Install.exe
556	Install.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\GroupPolicy\gpt.ini	Install.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.EXE

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\bdgVPSIBMXnLzIkafb.job	schtasks.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1612	schtasks.exe
1056	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Install.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	Install.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1988	powershell.EXE
1988	powershell.EXE
1988	powershell.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	powershell.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 1968	1776	file.exe	27
PID 1776 wrote to memory of 1968	1776	file.exe	27
PID 1776 wrote to memory of 1968	1776	file.exe	27
PID 1776 wrote to memory of 1968	1776	file.exe	27
PID 1776 wrote to memory of 1968	1776	file.exe	27
PID 1776 wrote to memory of 1968	1776	file.exe	27
PID 1776 wrote to memory of 1968	1776	file.exe	27
PID 1968 wrote to memory of 556	1968	Install.exe	28
PID 1968 wrote to memory of 556	1968	Install.exe	28
PID 1968 wrote to memory of 556	1968	Install.exe	28
PID 1968 wrote to memory of 556	1968	Install.exe	28
PID 1968 wrote to memory of 556	1968	Install.exe	28
PID 1968 wrote to memory of 556	1968	Install.exe	28
PID 1968 wrote to memory of 556	1968	Install.exe	28
PID 556 wrote to memory of 1276	556	Install.exe	30
PID 556 wrote to memory of 1276	556	Install.exe	30
PID 556 wrote to memory of 1276	556	Install.exe	30
PID 556 wrote to memory of 1276	556	Install.exe	30
PID 556 wrote to memory of 1276	556	Install.exe	30
PID 556 wrote to memory of 1276	556	Install.exe	30
PID 556 wrote to memory of 1276	556	Install.exe	30
PID 556 wrote to memory of 1096	556	Install.exe	32
PID 556 wrote to memory of 1096	556	Install.exe	32
PID 556 wrote to memory of 1096	556	Install.exe	32
PID 556 wrote to memory of 1096	556	Install.exe	32
PID 556 wrote to memory of 1096	556	Install.exe	32
PID 556 wrote to memory of 1096	556	Install.exe	32
PID 556 wrote to memory of 1096	556	Install.exe	32
PID 1276 wrote to memory of 976	1276	forfiles.exe	34
PID 1276 wrote to memory of 976	1276	forfiles.exe	34
PID 1276 wrote to memory of 976	1276	forfiles.exe	34
PID 1276 wrote to memory of 976	1276	forfiles.exe	34
PID 1276 wrote to memory of 976	1276	forfiles.exe	34
PID 1276 wrote to memory of 976	1276	forfiles.exe	34
PID 1276 wrote to memory of 976	1276	forfiles.exe	34
PID 1096 wrote to memory of 1408	1096	forfiles.exe	35
PID 1096 wrote to memory of 1408	1096	forfiles.exe	35
PID 1096 wrote to memory of 1408	1096	forfiles.exe	35
PID 1096 wrote to memory of 1408	1096	forfiles.exe	35
PID 1096 wrote to memory of 1408	1096	forfiles.exe	35
PID 1096 wrote to memory of 1408	1096	forfiles.exe	35
PID 1096 wrote to memory of 1408	1096	forfiles.exe	35
PID 976 wrote to memory of 1336	976	cmd.exe	36
PID 976 wrote to memory of 1336	976	cmd.exe	36
PID 976 wrote to memory of 1336	976	cmd.exe	36
PID 976 wrote to memory of 1336	976	cmd.exe	36
PID 976 wrote to memory of 1336	976	cmd.exe	36
PID 976 wrote to memory of 1336	976	cmd.exe	36
PID 976 wrote to memory of 1336	976	cmd.exe	36
PID 1408 wrote to memory of 1876	1408	cmd.exe	37
PID 1408 wrote to memory of 1876	1408	cmd.exe	37
PID 1408 wrote to memory of 1876	1408	cmd.exe	37
PID 1408 wrote to memory of 1876	1408	cmd.exe	37
PID 1408 wrote to memory of 1876	1408	cmd.exe	37
PID 1408 wrote to memory of 1876	1408	cmd.exe	37
PID 1408 wrote to memory of 1876	1408	cmd.exe	37
PID 976 wrote to memory of 1632	976	cmd.exe	38
PID 976 wrote to memory of 1632	976	cmd.exe	38
PID 976 wrote to memory of 1632	976	cmd.exe	38
PID 976 wrote to memory of 1632	976	cmd.exe	38
PID 976 wrote to memory of 1632	976	cmd.exe	38
PID 976 wrote to memory of 1632	976	cmd.exe	38
PID 976 wrote to memory of 1632	976	cmd.exe	38
PID 1408 wrote to memory of 732	1408	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Users\Admin\AppData\Local\Temp\7zS6614.tmp\Install.exe
  .\Install.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Users\Admin\AppData\Local\Temp\7zS6DC1.tmp\Install.exe
    .\Install.exe /S /site_id "525403"
    3⤵
    - Executes dropped EXE
    - Checks BIOS information in registry
    - Loads dropped DLL
    - Drops file in System32 directory
    - Enumerates system info in registry
    - Suspicious use of WriteProcessMemory
    PID:556
  - - C:\Windows\SysWOW64\forfiles.exe
      "C:\Windows\System32\forfiles.exe" /p c:\windows\system32 /m cmd.exe /c "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions\" /f /v \"exe\" /t REG_SZ /d 0 /reg:32&REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions\" /f /v \"exe\" /t REG_SZ /d 0 /reg:64&"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1276
    - - C:\Windows\SysWOW64\cmd.exe
        
        /C REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:32&REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:64&
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:976
      - \??\c:\windows\SysWOW64\reg.exe
        
        REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:32
        6⤵
        
        PID:1336
      - \??\c:\windows\SysWOW64\reg.exe
        
        REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:64
        6⤵
        
        PID:1632
  - - C:\Windows\SysWOW64\forfiles.exe
      "C:\Windows\System32\forfiles.exe" /p c:\windows\system32 /m cmd.exe /c "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet\" /f /v \"SpyNetReporting\" /t REG_DWORD /d 0 /reg:32&REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet\" /f /v \"SpyNetReporting\" /t REG_DWORD /d 0 /reg:64&"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1096
    - - C:\Windows\SysWOW64\cmd.exe
        
        /C REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:32&REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:64&
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1408
      - \??\c:\windows\SysWOW64\reg.exe
        
        REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:32
        6⤵
        
        PID:1876
      - \??\c:\windows\SysWOW64\reg.exe
        
        REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:64
        6⤵
        
        PID:732
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /CREATE /TN "gepJzHQdP" /SC once /ST 18:30:46 /F /RU "Admin" /TR "powershell -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA=="
      4⤵
      Creates scheduled task(s)
      PID:1612
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /run /I /tn "gepJzHQdP"
      4⤵
      PID:1364
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /DELETE /F /TN "gepJzHQdP"
      4⤵
      PID:2044
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /CREATE /TN "bdgVPSIBMXnLzIkafb" /SC once /ST 20:07:00 /RU "SYSTEM" /TR "\"C:\Users\Admin\AppData\Local\Temp\DqHUxWxWZRUkhfJgL\ZoWBWsVxzERycRb\nOqAeEX.exe\" 50 /site_id 525403 /S" /V1 /F
      4⤵
      Drops file in Windows directory
      Creates scheduled task(s)
      PID:1056

C:\Windows\system32\taskeng.exe
taskeng.exe {26CF098E-2564-4652-AFCF-316FFAAECD7B} S-1-5-21-3406023954-474543476-3319432036-1000:VUIIVLGQ\Admin:Interactive:[1]
1⤵
PID:1804
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA==
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1988
- - C:\Windows\system32\gpupdate.exe
    "C:\Windows\system32\gpupdate.exe" /force
    3⤵
    PID:528

C:\Windows\system32\gpscript.exe
gpscript.exe /RefreshSystemParam
1⤵
PID:1884

C:\Windows\system32\taskeng.exe
taskeng.exe {551063D6-E1D3-4F1A-B3E8-7C8091B69FEC} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:1092

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zS6614.tmp\Install.exe

Filesize
6.2MB

MD5
f884119a6502d39a4bcec47ad87fb15d

SHA1
99fa5cc36ebe3cd908c363042c7e395a50c7ded1

SHA256
7cd03192d79b9e9f60c2e067374f665a05899928c92aa758d9d0ca467fdee770

SHA512
ed919fdbefc2f06a011ff92869e9c18f0efa07dd0189e3b72ad1b6139b30fdef8ca053ee2236ca9ccda9e05dd0dc168aa21447fe0337fb85fc8b7fba3ddcc381

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6614.tmp\Install.exe

Filesize
6.2MB

MD5
f884119a6502d39a4bcec47ad87fb15d

SHA1
99fa5cc36ebe3cd908c363042c7e395a50c7ded1

SHA256
7cd03192d79b9e9f60c2e067374f665a05899928c92aa758d9d0ca467fdee770

SHA512
ed919fdbefc2f06a011ff92869e9c18f0efa07dd0189e3b72ad1b6139b30fdef8ca053ee2236ca9ccda9e05dd0dc168aa21447fe0337fb85fc8b7fba3ddcc381

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6DC1.tmp\Install.exe

Filesize
6.7MB

MD5
44e8ebce6ceebb62ef6df808272f2512

SHA1
066252719556f1e28546695b7e82edde87f438bd

SHA256
8097f017ea10daf15527755b369dbcf4151bd7a15da85f6f6fe6ba8dcb972282

SHA512
efdd4fd8c0062b51dc33c394e624e7559c17cfbddd4de7771a4f1742ddea8bb50e17dbb18554cd78655aa3153aa6987df047d19d68178e75d3e642e790155c69

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6DC1.tmp\Install.exe

Filesize
6.7MB

MD5
44e8ebce6ceebb62ef6df808272f2512

SHA1
066252719556f1e28546695b7e82edde87f438bd

SHA256
8097f017ea10daf15527755b369dbcf4151bd7a15da85f6f6fe6ba8dcb972282

SHA512
efdd4fd8c0062b51dc33c394e624e7559c17cfbddd4de7771a4f1742ddea8bb50e17dbb18554cd78655aa3153aa6987df047d19d68178e75d3e642e790155c69

Download Submit
\Users\Admin\AppData\Local\Temp\7zS6614.tmp\Install.exe

Filesize
6.2MB

MD5
f884119a6502d39a4bcec47ad87fb15d

SHA1
99fa5cc36ebe3cd908c363042c7e395a50c7ded1

SHA256
7cd03192d79b9e9f60c2e067374f665a05899928c92aa758d9d0ca467fdee770

SHA512
ed919fdbefc2f06a011ff92869e9c18f0efa07dd0189e3b72ad1b6139b30fdef8ca053ee2236ca9ccda9e05dd0dc168aa21447fe0337fb85fc8b7fba3ddcc381

Download Submit
\Users\Admin\AppData\Local\Temp\7zS6614.tmp\Install.exe

Filesize
6.2MB

MD5
f884119a6502d39a4bcec47ad87fb15d

SHA1
99fa5cc36ebe3cd908c363042c7e395a50c7ded1

SHA256
7cd03192d79b9e9f60c2e067374f665a05899928c92aa758d9d0ca467fdee770

SHA512
ed919fdbefc2f06a011ff92869e9c18f0efa07dd0189e3b72ad1b6139b30fdef8ca053ee2236ca9ccda9e05dd0dc168aa21447fe0337fb85fc8b7fba3ddcc381

Download Submit
\Users\Admin\AppData\Local\Temp\7zS6614.tmp\Install.exe

Filesize
6.2MB

MD5
f884119a6502d39a4bcec47ad87fb15d

SHA1
99fa5cc36ebe3cd908c363042c7e395a50c7ded1

SHA256
7cd03192d79b9e9f60c2e067374f665a05899928c92aa758d9d0ca467fdee770

SHA512
ed919fdbefc2f06a011ff92869e9c18f0efa07dd0189e3b72ad1b6139b30fdef8ca053ee2236ca9ccda9e05dd0dc168aa21447fe0337fb85fc8b7fba3ddcc381

Download Submit
\Users\Admin\AppData\Local\Temp\7zS6614.tmp\Install.exe

Filesize
6.2MB

MD5
f884119a6502d39a4bcec47ad87fb15d

SHA1
99fa5cc36ebe3cd908c363042c7e395a50c7ded1

SHA256
7cd03192d79b9e9f60c2e067374f665a05899928c92aa758d9d0ca467fdee770

SHA512
ed919fdbefc2f06a011ff92869e9c18f0efa07dd0189e3b72ad1b6139b30fdef8ca053ee2236ca9ccda9e05dd0dc168aa21447fe0337fb85fc8b7fba3ddcc381

Download Submit
\Users\Admin\AppData\Local\Temp\7zS6DC1.tmp\Install.exe

Filesize
6.7MB

MD5
44e8ebce6ceebb62ef6df808272f2512

SHA1
066252719556f1e28546695b7e82edde87f438bd

SHA256
8097f017ea10daf15527755b369dbcf4151bd7a15da85f6f6fe6ba8dcb972282

SHA512
efdd4fd8c0062b51dc33c394e624e7559c17cfbddd4de7771a4f1742ddea8bb50e17dbb18554cd78655aa3153aa6987df047d19d68178e75d3e642e790155c69

Download Submit
\Users\Admin\AppData\Local\Temp\7zS6DC1.tmp\Install.exe

Filesize
6.7MB

MD5
44e8ebce6ceebb62ef6df808272f2512

SHA1
066252719556f1e28546695b7e82edde87f438bd

SHA256
8097f017ea10daf15527755b369dbcf4151bd7a15da85f6f6fe6ba8dcb972282

SHA512
efdd4fd8c0062b51dc33c394e624e7559c17cfbddd4de7771a4f1742ddea8bb50e17dbb18554cd78655aa3153aa6987df047d19d68178e75d3e642e790155c69

Download Submit
\Users\Admin\AppData\Local\Temp\7zS6DC1.tmp\Install.exe

Filesize
6.7MB

MD5
44e8ebce6ceebb62ef6df808272f2512

SHA1
066252719556f1e28546695b7e82edde87f438bd

SHA256
8097f017ea10daf15527755b369dbcf4151bd7a15da85f6f6fe6ba8dcb972282

SHA512
efdd4fd8c0062b51dc33c394e624e7559c17cfbddd4de7771a4f1742ddea8bb50e17dbb18554cd78655aa3153aa6987df047d19d68178e75d3e642e790155c69

Download Submit
\Users\Admin\AppData\Local\Temp\7zS6DC1.tmp\Install.exe

Filesize
6.7MB

MD5
44e8ebce6ceebb62ef6df808272f2512

SHA1
066252719556f1e28546695b7e82edde87f438bd

SHA256
8097f017ea10daf15527755b369dbcf4151bd7a15da85f6f6fe6ba8dcb972282

SHA512
efdd4fd8c0062b51dc33c394e624e7559c17cfbddd4de7771a4f1742ddea8bb50e17dbb18554cd78655aa3153aa6987df047d19d68178e75d3e642e790155c69

Download Submit
memory/556-71-0x0000000010000000-0x000000001066C000-memory.dmp

Filesize
6.4MB

Download
memory/1776-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/1988-95-0x000007FEFB5F1000-0x000007FEFB5F3000-memory.dmp

Filesize
8KB

Download
memory/1988-96-0x000007FEF3810000-0x000007FEF4233000-memory.dmp

Filesize
10.1MB

Download
memory/1988-98-0x00000000024E4000-0x00000000024E7000-memory.dmp

Filesize
12KB

Download
memory/1988-97-0x000007FEF2BF0000-0x000007FEF374D000-memory.dmp

Filesize
11.4MB

Download
memory/1988-103-0x000000001B890000-0x000000001BB8F000-memory.dmp

Filesize
3.0MB

Download
memory/1988-106-0x00000000024EB000-0x000000000250A000-memory.dmp

Filesize
124KB

Download
memory/1988-105-0x00000000024E4000-0x00000000024E7000-memory.dmp

Filesize
12KB

Download