9268b48a46002670bf6b18707599367dc38f79a88693d14d6403a7d11b337f84

Analysis

max time kernel
269s
max time network
336s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
04-12-2022 03:07

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General

Target

file.exe
Size

7.3MB
MD5

e4efd84214889d40f8eccdf9d8584585
SHA1

ce21b9be73be7d4f0091cfdae53e5f0eb42a9b2f
SHA256

9268b48a46002670bf6b18707599367dc38f79a88693d14d6403a7d11b337f84
SHA512

a45d91d0e4a6b0240f52cf05ff059133fb3ecd111802a5be2fbb8a173320e4eff118a903cc0b25db14f0cb0d5adba0da466b67d5e0475382a2760848acbf565f
SSDEEP

98304:91OSghrTm4CgZoiK2Kltghg6kWkgN+RQKVE4esblIO5iw7B2GzpmUs8bnUvoCXcY:91OO4dKLicZxq4zR12tAnaoIrb/w0Fn

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
588	Install.exe
784	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
556	file.exe
588	Install.exe
588	Install.exe
588	Install.exe
588	Install.exe
784	Install.exe
784	Install.exe
784	Install.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.EXE
File created	C:\Windows\system32\GroupPolicy\gpt.ini	Install.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 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1700	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 use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 556 wrote to memory of 588	556	file.exe	28
PID 556 wrote to memory of 588	556	file.exe	28
PID 556 wrote to memory of 588	556	file.exe	28
PID 556 wrote to memory of 588	556	file.exe	28
PID 556 wrote to memory of 588	556	file.exe	28
PID 556 wrote to memory of 588	556	file.exe	28
PID 556 wrote to memory of 588	556	file.exe	28
PID 588 wrote to memory of 784	588	Install.exe	29
PID 588 wrote to memory of 784	588	Install.exe	29
PID 588 wrote to memory of 784	588	Install.exe	29
PID 588 wrote to memory of 784	588	Install.exe	29
PID 588 wrote to memory of 784	588	Install.exe	29
PID 588 wrote to memory of 784	588	Install.exe	29
PID 588 wrote to memory of 784	588	Install.exe	29
PID 784 wrote to memory of 1900	784	Install.exe	31
PID 784 wrote to memory of 1900	784	Install.exe	31
PID 784 wrote to memory of 1900	784	Install.exe	31
PID 784 wrote to memory of 1900	784	Install.exe	31
PID 784 wrote to memory of 1900	784	Install.exe	31
PID 784 wrote to memory of 1900	784	Install.exe	31
PID 784 wrote to memory of 1900	784	Install.exe	31
PID 784 wrote to memory of 884	784	Install.exe	33
PID 784 wrote to memory of 884	784	Install.exe	33
PID 784 wrote to memory of 884	784	Install.exe	33
PID 784 wrote to memory of 884	784	Install.exe	33
PID 784 wrote to memory of 884	784	Install.exe	33
PID 784 wrote to memory of 884	784	Install.exe	33
PID 784 wrote to memory of 884	784	Install.exe	33
PID 1900 wrote to memory of 1460	1900	forfiles.exe	35
PID 1900 wrote to memory of 1460	1900	forfiles.exe	35
PID 1900 wrote to memory of 1460	1900	forfiles.exe	35
PID 1900 wrote to memory of 1460	1900	forfiles.exe	35
PID 1900 wrote to memory of 1460	1900	forfiles.exe	35
PID 1900 wrote to memory of 1460	1900	forfiles.exe	35
PID 1900 wrote to memory of 1460	1900	forfiles.exe	35
PID 1460 wrote to memory of 612	1460	cmd.exe	36
PID 1460 wrote to memory of 612	1460	cmd.exe	36
PID 1460 wrote to memory of 612	1460	cmd.exe	36
PID 1460 wrote to memory of 612	1460	cmd.exe	36
PID 1460 wrote to memory of 612	1460	cmd.exe	36
PID 1460 wrote to memory of 612	1460	cmd.exe	36
PID 1460 wrote to memory of 612	1460	cmd.exe	36
PID 884 wrote to memory of 1572	884	forfiles.exe	37
PID 884 wrote to memory of 1572	884	forfiles.exe	37
PID 884 wrote to memory of 1572	884	forfiles.exe	37
PID 884 wrote to memory of 1572	884	forfiles.exe	37
PID 884 wrote to memory of 1572	884	forfiles.exe	37
PID 884 wrote to memory of 1572	884	forfiles.exe	37
PID 884 wrote to memory of 1572	884	forfiles.exe	37
PID 1572 wrote to memory of 1200	1572	cmd.exe	38
PID 1572 wrote to memory of 1200	1572	cmd.exe	38
PID 1572 wrote to memory of 1200	1572	cmd.exe	38
PID 1572 wrote to memory of 1200	1572	cmd.exe	38
PID 1572 wrote to memory of 1200	1572	cmd.exe	38
PID 1572 wrote to memory of 1200	1572	cmd.exe	38
PID 1572 wrote to memory of 1200	1572	cmd.exe	38
PID 1460 wrote to memory of 1852	1460	cmd.exe	39
PID 1460 wrote to memory of 1852	1460	cmd.exe	39
PID 1460 wrote to memory of 1852	1460	cmd.exe	39
PID 1460 wrote to memory of 1852	1460	cmd.exe	39
PID 1460 wrote to memory of 1852	1460	cmd.exe	39
PID 1460 wrote to memory of 1852	1460	cmd.exe	39
PID 1460 wrote to memory of 1852	1460	cmd.exe	39
PID 1572 wrote to memory of 932	1572	cmd.exe	40

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:556
- C:\Users\Admin\AppData\Local\Temp\7zSB617.tmp\Install.exe
  .\Install.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:588
- - C:\Users\Admin\AppData\Local\Temp\7zS1391.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:784
  - - 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:1900
    - - 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:1460
      - \??\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:612
      - \??\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:1852
  - - 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:884
    - - 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:1572
      - \??\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:1200
      - \??\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:932
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /CREATE /TN "gNOLRWZLm" /SC once /ST 02:42:07 /F /RU "Admin" /TR "powershell -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA=="
      4⤵
      Creates scheduled task(s)
      PID:1700
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /run /I /tn "gNOLRWZLm"
      4⤵
      PID:1988

C:\Windows\system32\taskeng.exe
taskeng.exe {EFF3EBA5-195B-49F4-833F-2B17B48DD987} S-1-5-21-1214520366-621468234-4062160515-1000:VDWSWJJD\Admin:Interactive:[1]
1⤵
PID:1752
- 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
  PID:2036

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zS1391.tmp\Install.exe

Filesize
6.8MB

MD5
d57fcb1f7217abdc3bc9594d72b069e2

SHA1
9bb541769d84def773ce4e51c31bd056ba6c213d

SHA256
ede74804494d3193db79cc6f078999f81a1654a17eb734c470318e3d19bce386

SHA512
77ae8eecb30db62fafe71dcbd6a3f6d6971a7d2abae9d34991d8f61aba5f25a0daf70cc908a4362953677a04a0268773c58cf58c3332dbd3abb96bbb795e660a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1391.tmp\Install.exe

Filesize
6.8MB

MD5
d57fcb1f7217abdc3bc9594d72b069e2

SHA1
9bb541769d84def773ce4e51c31bd056ba6c213d

SHA256
ede74804494d3193db79cc6f078999f81a1654a17eb734c470318e3d19bce386

SHA512
77ae8eecb30db62fafe71dcbd6a3f6d6971a7d2abae9d34991d8f61aba5f25a0daf70cc908a4362953677a04a0268773c58cf58c3332dbd3abb96bbb795e660a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB617.tmp\Install.exe

Filesize
6.3MB

MD5
40e955dc9d482dd6cc936ee22987daab

SHA1
b006140e3367adf14a6451997c533b3e402626c1

SHA256
1876825fafd8bb8c37a783889b14ac641f2f51ce31cb682c84c0d19a850573ec

SHA512
7d56b0ce7c6ced797c32ae9706bdd32b0ea69a5f75f477a1f630d3ac93c6b5bb20b38e5532244a54466ec3456f8a0b6dd5de16f91f04f4bb3fc7860633ca1c11

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB617.tmp\Install.exe

Filesize
6.3MB

MD5
40e955dc9d482dd6cc936ee22987daab

SHA1
b006140e3367adf14a6451997c533b3e402626c1

SHA256
1876825fafd8bb8c37a783889b14ac641f2f51ce31cb682c84c0d19a850573ec

SHA512
7d56b0ce7c6ced797c32ae9706bdd32b0ea69a5f75f477a1f630d3ac93c6b5bb20b38e5532244a54466ec3456f8a0b6dd5de16f91f04f4bb3fc7860633ca1c11

Download Submit
\Users\Admin\AppData\Local\Temp\7zS1391.tmp\Install.exe

Filesize
6.8MB

MD5
d57fcb1f7217abdc3bc9594d72b069e2

SHA1
9bb541769d84def773ce4e51c31bd056ba6c213d

SHA256
ede74804494d3193db79cc6f078999f81a1654a17eb734c470318e3d19bce386

SHA512
77ae8eecb30db62fafe71dcbd6a3f6d6971a7d2abae9d34991d8f61aba5f25a0daf70cc908a4362953677a04a0268773c58cf58c3332dbd3abb96bbb795e660a

Download Submit
\Users\Admin\AppData\Local\Temp\7zS1391.tmp\Install.exe

Filesize
6.8MB

MD5
d57fcb1f7217abdc3bc9594d72b069e2

SHA1
9bb541769d84def773ce4e51c31bd056ba6c213d

SHA256
ede74804494d3193db79cc6f078999f81a1654a17eb734c470318e3d19bce386

SHA512
77ae8eecb30db62fafe71dcbd6a3f6d6971a7d2abae9d34991d8f61aba5f25a0daf70cc908a4362953677a04a0268773c58cf58c3332dbd3abb96bbb795e660a

Download Submit
\Users\Admin\AppData\Local\Temp\7zS1391.tmp\Install.exe

Filesize
6.8MB

MD5
d57fcb1f7217abdc3bc9594d72b069e2

SHA1
9bb541769d84def773ce4e51c31bd056ba6c213d

SHA256
ede74804494d3193db79cc6f078999f81a1654a17eb734c470318e3d19bce386

SHA512
77ae8eecb30db62fafe71dcbd6a3f6d6971a7d2abae9d34991d8f61aba5f25a0daf70cc908a4362953677a04a0268773c58cf58c3332dbd3abb96bbb795e660a

Download Submit
\Users\Admin\AppData\Local\Temp\7zS1391.tmp\Install.exe

Filesize
6.8MB

MD5
d57fcb1f7217abdc3bc9594d72b069e2

SHA1
9bb541769d84def773ce4e51c31bd056ba6c213d

SHA256
ede74804494d3193db79cc6f078999f81a1654a17eb734c470318e3d19bce386

SHA512
77ae8eecb30db62fafe71dcbd6a3f6d6971a7d2abae9d34991d8f61aba5f25a0daf70cc908a4362953677a04a0268773c58cf58c3332dbd3abb96bbb795e660a

Download Submit
\Users\Admin\AppData\Local\Temp\7zSB617.tmp\Install.exe

Filesize
6.3MB

MD5
40e955dc9d482dd6cc936ee22987daab

SHA1
b006140e3367adf14a6451997c533b3e402626c1

SHA256
1876825fafd8bb8c37a783889b14ac641f2f51ce31cb682c84c0d19a850573ec

SHA512
7d56b0ce7c6ced797c32ae9706bdd32b0ea69a5f75f477a1f630d3ac93c6b5bb20b38e5532244a54466ec3456f8a0b6dd5de16f91f04f4bb3fc7860633ca1c11

Download Submit
\Users\Admin\AppData\Local\Temp\7zSB617.tmp\Install.exe

Filesize
6.3MB

MD5
40e955dc9d482dd6cc936ee22987daab

SHA1
b006140e3367adf14a6451997c533b3e402626c1

SHA256
1876825fafd8bb8c37a783889b14ac641f2f51ce31cb682c84c0d19a850573ec

SHA512
7d56b0ce7c6ced797c32ae9706bdd32b0ea69a5f75f477a1f630d3ac93c6b5bb20b38e5532244a54466ec3456f8a0b6dd5de16f91f04f4bb3fc7860633ca1c11

Download Submit
\Users\Admin\AppData\Local\Temp\7zSB617.tmp\Install.exe

Filesize
6.3MB

MD5
40e955dc9d482dd6cc936ee22987daab

SHA1
b006140e3367adf14a6451997c533b3e402626c1

SHA256
1876825fafd8bb8c37a783889b14ac641f2f51ce31cb682c84c0d19a850573ec

SHA512
7d56b0ce7c6ced797c32ae9706bdd32b0ea69a5f75f477a1f630d3ac93c6b5bb20b38e5532244a54466ec3456f8a0b6dd5de16f91f04f4bb3fc7860633ca1c11

Download Submit
\Users\Admin\AppData\Local\Temp\7zSB617.tmp\Install.exe

Filesize
6.3MB

MD5
40e955dc9d482dd6cc936ee22987daab

SHA1
b006140e3367adf14a6451997c533b3e402626c1

SHA256
1876825fafd8bb8c37a783889b14ac641f2f51ce31cb682c84c0d19a850573ec

SHA512
7d56b0ce7c6ced797c32ae9706bdd32b0ea69a5f75f477a1f630d3ac93c6b5bb20b38e5532244a54466ec3456f8a0b6dd5de16f91f04f4bb3fc7860633ca1c11

Download Submit
memory/556-54-0x0000000076391000-0x0000000076393000-memory.dmp

Filesize
8KB

Download
memory/784-71-0x0000000010000000-0x0000000010BF6000-memory.dmp

Filesize
12.0MB

Download
memory/2036-95-0x000007FEFBE21000-0x000007FEFBE23000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads