Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 01:23

General

  • Target

    b1e494152a63898d0f9f84df930a4685fa680c04433f987f55eae0fccd1400ef.exe

  • Size

    6.3MB

  • MD5

    a63eaea4f134ee8c95101530e57657a3

  • SHA1

    192af9f082351203fdd623e75daf47fdd6d1a2a6

  • SHA256

    b1e494152a63898d0f9f84df930a4685fa680c04433f987f55eae0fccd1400ef

  • SHA512

    00b1ed77a555482c8dfc6af0be10f61a7ad5cc32c681d3312ad44946562c4f2c9cfd24087e9f5fd18a8f05149ebcd943553c88a375a8be834c6b8af923741f25

  • SSDEEP

    98304:g9lesPlo5CddsbAqvQdYKV4YNyACCTmKR67I+tUv76dqYInWZFLLgHZp5rqEJIxC:Ien5ciAqIaKVvNUa+42ENWXesXCwy

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1e494152a63898d0f9f84df930a4685fa680c04433f987f55eae0fccd1400ef.exe
    "C:\Users\Admin\AppData\Local\Temp\b1e494152a63898d0f9f84df930a4685fa680c04433f987f55eae0fccd1400ef.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setup.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setup.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\SysWOW64\msiexec.exe" -I "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PublisherInteractiveGuideSetupEN.msi"
        3⤵
        • Enumerates connected drives
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:2768
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5CBAA474ADADA129B771DBD912A586FC C
      2⤵
      • Loads dropped DLL
      PID:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PublisherInteractiveGuideSetupEN.msi

    Filesize

    4.0MB

    MD5

    16eae58d0f8158dfa96a9441fdb6695c

    SHA1

    353a4db19bb609254d35666e57a68b074dad2b61

    SHA256

    4a690af5bd09f3d2362bc80318ecbe93fc4db2c0fe21ade30586da6f89595808

    SHA512

    358a28113c31ef7d2a6ecbcce254f81afbdb9c59b9c80dd79e13db658fd35fe26ba64d9749e5ee2f15cece69189128188d5505a09a6f5fc21f97a06817f4e091

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setup.exe

    Filesize

    400KB

    MD5

    6d9c1d19828bfd666eedf8220cfb017e

    SHA1

    1b1a9745876ae02b52586da4caa12421f5c071e4

    SHA256

    9fd609219ccbcaf36d7d24e7bf9f81ed2a73d05fc373aad39828d364a5038bdc

    SHA512

    293c7e9d9713ba46c488be6d423280a4fa75e4f9f2985c5c6525662f09768816b476301003abeac7bf602d7210951d0e76b9c1d091d20e7cf4dc357bc0754e15

  • C:\Users\Admin\AppData\Local\Temp\MSI83B1.tmp

    Filesize

    231KB

    MD5

    5494165b1384faeefdd3d5133df92f5a

    SHA1

    b7b82805f1a726c4eee39152d1a6a59031d7798c

    SHA256

    ba0ad3a4d2112b269e379a2231128e7ebe23e95d5d04878d6ee8815e657bb055

    SHA512

    ecd5012df2a060fa58664e856a84716f162d3420e7a7a1368612451ec65f2dcd674c7031d780a6c9d357700f6baeb31325748bc29270850ee4070079f15be613