Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 12:05

General

  • Target

    CapTalkSetup.msi

  • Size

    22.0MB

  • MD5

    73137946a664fcf4c79a8d4ab7e3e90e

  • SHA1

    f9c0dd55ba400af20bab9fd9faf881c361810700

  • SHA256

    1ffe8209764db06b2f65a1bf47d208bbd7c08f5b31d5f798ba6b397f04ae421c

  • SHA512

    d7e122b43a4d8bc52386a4d2919091a4a3ff4e7900883f5242e6e8b646b6514081d95c9d748947088b8e47b2798709ade3df5c54b0d232a3445b3c9ff66d06af

  • SSDEEP

    393216:oRXWmhkB2RevIOXmc87p5jcCknXXnS4BzYRzgG8vccAzT1H//jA44:7mS2GIumc8jjcCmBzQsGt/t4

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Blocklisted process makes network request 3 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 System32 directory 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\CapTalkSetup.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Drops file in System32 directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2212
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 24A0A8CE209FE986244EBBD7C2768591 C
      2⤵
      • Loads dropped DLL
      PID:2676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab4942.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\MSI4D3C.tmp

    Filesize

    231KB

    MD5

    5494165b1384faeefdd3d5133df92f5a

    SHA1

    b7b82805f1a726c4eee39152d1a6a59031d7798c

    SHA256

    ba0ad3a4d2112b269e379a2231128e7ebe23e95d5d04878d6ee8815e657bb055

    SHA512

    ecd5012df2a060fa58664e856a84716f162d3420e7a7a1368612451ec65f2dcd674c7031d780a6c9d357700f6baeb31325748bc29270850ee4070079f15be613

  • C:\Users\Admin\AppData\Local\Temp\MSI4ED3.tmp

    Filesize

    231KB

    MD5

    5494165b1384faeefdd3d5133df92f5a

    SHA1

    b7b82805f1a726c4eee39152d1a6a59031d7798c

    SHA256

    ba0ad3a4d2112b269e379a2231128e7ebe23e95d5d04878d6ee8815e657bb055

    SHA512

    ecd5012df2a060fa58664e856a84716f162d3420e7a7a1368612451ec65f2dcd674c7031d780a6c9d357700f6baeb31325748bc29270850ee4070079f15be613

  • C:\Users\Admin\AppData\Local\Temp\Tar4B86.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • \Users\Admin\AppData\Local\Temp\MSI4D3C.tmp

    Filesize

    231KB

    MD5

    5494165b1384faeefdd3d5133df92f5a

    SHA1

    b7b82805f1a726c4eee39152d1a6a59031d7798c

    SHA256

    ba0ad3a4d2112b269e379a2231128e7ebe23e95d5d04878d6ee8815e657bb055

    SHA512

    ecd5012df2a060fa58664e856a84716f162d3420e7a7a1368612451ec65f2dcd674c7031d780a6c9d357700f6baeb31325748bc29270850ee4070079f15be613

  • \Users\Admin\AppData\Local\Temp\MSI4ED3.tmp

    Filesize

    231KB

    MD5

    5494165b1384faeefdd3d5133df92f5a

    SHA1

    b7b82805f1a726c4eee39152d1a6a59031d7798c

    SHA256

    ba0ad3a4d2112b269e379a2231128e7ebe23e95d5d04878d6ee8815e657bb055

    SHA512

    ecd5012df2a060fa58664e856a84716f162d3420e7a7a1368612451ec65f2dcd674c7031d780a6c9d357700f6baeb31325748bc29270850ee4070079f15be613