Overview

overview

10

Static

static

10

13c788ccaa...f3.exe

windows7-x64

9

13c788ccaa...f3.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2024 15:53

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General

  • Target

    13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe

  • Size

    42KB

  • MD5

    e946f874088bb866c3d02e0e2fa79daf

  • SHA1

    cb476dbdd8242bfbf5ce54e9d1f2ba24b73ac693

  • SHA256

    13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3

  • SHA512

    158776939338a15897af7bc0cf62ad588ce96aa8db4308643a1bced8e460f3c4fcf92b16832b6981dc6f61908ede817108f5a1a29da3534a4bf85bc9ab7b088c

  • SSDEEP

    768:gO1oR/LVS1RzK4wbs+D/SIJX+ZZ1SQQwZuIOPzDT6FhUxuSqA:gpS1FKnDtkuIme7AB

Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (8280) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies system certificate store 2 TTPs 6 IoCs
    evasionspywaretrojan
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe
    "C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe
      "C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe" n2932
      2⤵
        PID:2140
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1744
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2964
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:2816
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1632
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping 1.1.1.1 -n 5 & fsutil file setZeroData offset=0 length=131072 "C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe" & del /q /f "C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:1600
        • C:\Windows\SysWOW64\PING.EXE
          ping 1.1.1.1 -n 5
          3⤵
          • Runs ping.exe
          PID:2884
        • C:\Windows\SysWOW64\fsutil.exe
          fsutil file setZeroData offset=0 length=131072 "C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe"
          3⤵
            PID:2768
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2436
      • C:\Windows\system32\wbengine.exe
        "C:\Windows\system32\wbengine.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2632
      • C:\Windows\System32\vdsldr.exe
        C:\Windows\System32\vdsldr.exe -Embedding
        1⤵
          PID:2708
        • C:\Windows\System32\vds.exe
          C:\Windows\System32\vds.exe
          1⤵
            PID:1324
          • C:\Windows\system32\Dwm.exe
            "C:\Windows\system32\Dwm.exe"
            1⤵
              PID:1660

            Network

            MITRE ATT&CK Enterprise v15

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            Downloads

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
              Filesize

              344B

              MD5

              7146e696b82cfdc424b17a8c07249df9

              SHA1

              bbdbc216d27ddf8d06cfffcd18ea3f3295ab5f94

              SHA256

              7a7fd8f96b3bc6f9874b3ced50f0796109a9f1d37d77662a7575ab0c510c6748

              SHA512

              30bfcbe5b75224d8336e06e2defcbfd2db448195c1f327c57521537072f692e7621b0e2509a1405642976c3453c1a6826d840e08756db872db340cd7663c3811

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            • C:\Users\Admin\AppData\Local\Temp\+README-WARNING+.txt
              Filesize

              472B

              MD5

              ec2a73a94318baf5e9a6b9f42a862588

              SHA1

              ca10df2306e9cdbeeda8a8e2d836400fc0969a45

              SHA256

              7ecd9e837552fbd07909d366495b56963e72ff25c33aaa5e8e76a2e8ebbc1b41

              SHA512

              ee725b1f39aec10dafaa536de82b8d8f162e0f9689d20e9d435d4e8f250d98ca1b6768c3efc981ac69dd78228067b6ee1aeab42bcaa00dda442fae3ae4ae100a

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            • C:\Users\Admin\AppData\Local\Temp\Cab29FF.tmp
              Filesize

              65KB

              MD5

              ac05d27423a85adc1622c714f2cb6184

              SHA1

              b0fe2b1abddb97837ea0195be70ab2ff14d43198

              SHA256

              c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

              SHA512

              6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

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            • C:\Users\Admin\AppData\Local\Temp\Tar2A8F.tmp
              Filesize

              171KB

              MD5

              9c0c641c06238516f27941aa1166d427

              SHA1

              64cd549fb8cf014fcd9312aa7a5b023847b6c977

              SHA256

              4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

              SHA512

              936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

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