Analysis

  • max time kernel
    44s
  • max time network
    46s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 12:54

General

  • Target

    b974015e21e86ca6c89545e86e69732d4dd6e41d588aeb31e4e112a6cd0e237f.msi

  • Size

    34.2MB

  • MD5

    f89109ce397d50081ea28f31a8f61952

  • SHA1

    d78fdfe1ff56325d632cfb8c1b5547cdc42b63c4

  • SHA256

    b974015e21e86ca6c89545e86e69732d4dd6e41d588aeb31e4e112a6cd0e237f

  • SHA512

    98db488ee275413aafdc3570e19863220c96710113d90144ac04fcace3017bd81bd16840e39cc83881b379957a9ecc527132adb25aa74626652a28c6f64d2bb9

  • SSDEEP

    786432:Ct9/UyTDXySTjxA4Ztx2+G+N0WYQYBXPByttH+dktHEDv0y:Ct9P7xVLYjsp+ikJ

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 15 IoCs
  • Loads dropped DLL 7 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\b974015e21e86ca6c89545e86e69732d4dd6e41d588aeb31e4e112a6cd0e237f.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4996
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5116
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 4CC5655B2E4C122B3F03A2161BBC9002
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4968
  • C:\Windows\system32\notepad.exe
    "C:\Windows\system32\notepad.exe"
    1⤵
      PID:1244

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\e5788bb.rbs

      Filesize

      25KB

      MD5

      d4556e488bc0cdd471797768f27f0038

      SHA1

      1ed110685164ebb91b7f7aeeded58194ac162f6f

      SHA256

      d529a053c3ae3468c63ac4dd9f0bd06ae540ee40a6c31cc69010643caf3c1658

      SHA512

      50554e0703984cd64ce67cbccd08c7a377e5c28873cd3a5834fad5fea0f81c5e491eeae6b9dfd37f7050e16a23b4486d67504bf79fdbbab9ad2c9ac10daf50b3

    • C:\Windows\Installer\MSI8935.tmp

      Filesize

      738KB

      MD5

      b158d8d605571ea47a238df5ab43dfaa

      SHA1

      bb91ae1f2f7142b9099e3cc285f4f5b84de568e4

      SHA256

      ca763693cc25d316f14a9ebad80ebf00590329550c45adb7e5205486533c2504

      SHA512

      56aef59c198acf2fcd0d95ea6e32ce1c706e5098a0800feff13ddb427bfb4d538de1c415a5cb5496b09a5825155e3abb1c13c8c37dc31549604bd4d63cb70591

    • C:\Windows\Installer\MSIA34B.tmp

      Filesize

      364KB

      MD5

      54d74546c6afe67b3d118c3c477c159a

      SHA1

      957f08beb7e27e657cd83d8ee50388b887935fae

      SHA256

      f9956417af079e428631a6c921b79716d960c3b4917c6b7d17ff3cb945f18611

      SHA512

      d27750b913cc2b7388e9948f42385d0b4124e48335ae7fc0bc6971f4f807dbc9af63fe88675bc440eb42b9a92551bf2d77130b1633ddda90866616b583ae924f

    • C:\Windows\Installer\e5788b8.msi

      Filesize

      34.2MB

      MD5

      f89109ce397d50081ea28f31a8f61952

      SHA1

      d78fdfe1ff56325d632cfb8c1b5547cdc42b63c4

      SHA256

      b974015e21e86ca6c89545e86e69732d4dd6e41d588aeb31e4e112a6cd0e237f

      SHA512

      98db488ee275413aafdc3570e19863220c96710113d90144ac04fcace3017bd81bd16840e39cc83881b379957a9ecc527132adb25aa74626652a28c6f64d2bb9