Analysis

  • max time kernel
    137s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 06:58

General

  • Target

    JaffaCakes118_70eec4200fcff6dd024ad3e623e97381165fca6a1c4aaf6dd63c995af5444d23.exe

  • Size

    881.3MB

  • MD5

    584a88693e0f36323f641939df4fd568

  • SHA1

    cdcfa20be885a908c7e63c203240c7073899780f

  • SHA256

    70eec4200fcff6dd024ad3e623e97381165fca6a1c4aaf6dd63c995af5444d23

  • SHA512

    ff79a9276782a262039fc885dd3c677a7a6f99f7f5d0dfe2f509267811fcd94dfa7c9281c13a1b5111a4fa305f953831d9d9dba1e9dad7ce9ade29d707ca669e

  • SSDEEP

    49152:aGzhmoSjcFNMcbm0dLovfFYvx7WA+0b7Gsr04TSfZeU69PX8hm50gpdnLosp:aG9mVSysLWFmLGR9fAUo0gpdnLosp

Malware Config

Signatures

  • NetSupport

    NetSupport is a remote access tool sold as a legitimate system administration software.

  • Netsupport family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_70eec4200fcff6dd024ad3e623e97381165fca6a1c4aaf6dd63c995af5444d23.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_70eec4200fcff6dd024ad3e623e97381165fca6a1c4aaf6dd63c995af5444d23.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3368
    • C:\Users\Admin\AppData\Roaming\SupportWinUp\client32.exe
      "C:\Users\Admin\AppData\Roaming\SupportWinUp\client32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\SupportWinUp\HTCTL32.DLL

    Filesize

    320KB

    MD5

    c94005d2dcd2a54e40510344e0bb9435

    SHA1

    55b4a1620c5d0113811242c20bd9870a1e31d542

    SHA256

    3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

    SHA512

    2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

  • C:\Users\Admin\AppData\Roaming\SupportWinUp\NSM.LIC

    Filesize

    261B

    MD5

    a5090670b2a33d3172d86a5e37d8eb1f

    SHA1

    2cc5ac0a5998ceef432f761e838fc1dcea95844d

    SHA256

    79cdc33dc604d8e5dfa3a03031235e4cf3dcf96563ee9dab52e41d91572ba2d9

    SHA512

    70926685c88ad3f821170a21f5f034ec340af4b00d5b320b47444424ca44cf61acc196026bf945173bc08c94ade2a7f096b291fc82f6f73f457ecb56ab76e66e

  • C:\Users\Admin\AppData\Roaming\SupportWinUp\PCICHEK.DLL

    Filesize

    18KB

    MD5

    104b30fef04433a2d2fd1d5f99f179fe

    SHA1

    ecb08e224a2f2772d1e53675bedc4b2c50485a41

    SHA256

    956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

    SHA512

    5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

  • C:\Users\Admin\AppData\Roaming\SupportWinUp\PCICL32.dll

    Filesize

    3.6MB

    MD5

    d3d39180e85700f72aaae25e40c125ff

    SHA1

    f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

    SHA256

    38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

    SHA512

    471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

  • C:\Users\Admin\AppData\Roaming\SupportWinUp\client32.exe

    Filesize

    109KB

    MD5

    b2b27ccaded1db8ee341d5bd2c373044

    SHA1

    1d0f9ca17c0961eeabffc2ba54e16854a13c8a9d

    SHA256

    e4985a9739637aad4a409c95da33a1304dc17fd6ef9046159b27c0b137a57911

    SHA512

    0987b11aa110ea6b6f4fe4361e587aff010508251644bdfb681a578fa4726fb56af039d55e0b74682fd7031414f665a98656186b220264c122a47d23751dcee1

  • C:\Users\Admin\AppData\Roaming\SupportWinUp\client32.ini

    Filesize

    922B

    MD5

    dffa0231dc24306b8e3b2bd039626008

    SHA1

    045dfb40f236346bd81a3c4b066380e5836d210b

    SHA256

    e6ebb4737718713aa429816324aa74dad33cd714ad120cf06f56398dfae42a49

    SHA512

    28ad197d81f8c45dd211960e0a897ce1d99fdeff4a6f5f6f97933bb7aa7761e2827856d65be9197509bf1d853448e6fa5f1babbf9b067c9a5b75c49dfb5d2828

  • C:\Users\Admin\AppData\Roaming\SupportWinUp\msvcr100.dll

    Filesize

    755KB

    MD5

    0e37fbfa79d349d672456923ec5fbbe3

    SHA1

    4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

    SHA256

    8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

    SHA512

    2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

  • C:\Users\Admin\AppData\Roaming\SupportWinUp\pcicapi.dll

    Filesize

    32KB

    MD5

    34dfb87e4200d852d1fb45dc48f93cfc

    SHA1

    35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

    SHA256

    2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

    SHA512

    f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2