Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 03:14

General

  • Target

    e-catalog.pdf.scr

  • Size

    1.2MB

  • MD5

    3f379c45cf293566709f473ea1f38125

  • SHA1

    825af50daf0146a5f16aa6e3f59fa5320def4735

  • SHA256

    94b795d57617222666cc16d4c9928841d781ba8d2406a188314e51a48f5d10da

  • SHA512

    7a124fe558e4d8d1aed01be8d5d9720e7fc07d2f4a7215392eb4e4883e2191820a2e45f36c922e49aa2989301f379f43361d11558b43f4b6d814140eb6e90add

  • SSDEEP

    24576:s+o/NuOhnPXVW9+E7a64d968HFghHqnqXg6cU9KXLNJCR+0MNDjCO4pF:IlvnPlW9+En4d08lghHqqQqoGsDjCNF

Malware Config

Signatures

  • Luminosity 3 IoCs

    Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e-catalog.pdf.scr
    "C:\Users\Admin\AppData\Local\Temp\e-catalog.pdf.scr" /S
    1⤵
    • Luminosity
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn "Client Monitor" /tr "'C:\Program Files (x86)\Client\client.exe' /startup" /sc MINUTE /f /rl highest
      2⤵
      • Luminosity
      PID:2704
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce" /v "Client Monitor" /d "cmd /c """start """Client Monitor""" """C:\Program Files (x86)\Client\client.exe"""" /f /reg:64
      2⤵
      • Adds Run key to start application
      PID:2728
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {816860A1-8303-489C-9D34-B0445AAEDBFC} S-1-5-21-2737914667-933161113-3798636211-1000:PUMARTNR\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Program Files (x86)\Client\client.exe
      "C:\Program Files (x86)\Client\client.exe" /startup
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1832
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "Client Monitor" /tr "'C:\Program Files (x86)\Client\client.exe' /startup" /sc MINUTE /f /rl highest
        3⤵
        • Luminosity
        • Creates scheduled task(s)
        PID:288
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce" /v "Client Monitor" /d "cmd /c """start """Client Monitor""" """C:\Program Files (x86)\Client\client.exe"""" /f /reg:64
        3⤵
        • Adds Run key to start application
        PID:2180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\42B9A473B4DAF01285A36B4D3C7B1662_178C086B699FD6C56B804AF3EF759CB5
    Filesize

    471B

    MD5

    b8580ddaa0a4baef024bf6dc0235a5fd

    SHA1

    2b70d795ff52433de6b45fbc180d34f05ac11f34

    SHA256

    0cac8b67ae22816af07ff37e607ec304b1c670ac792f45f34672dc6d613c4d61

    SHA512

    cb77d6b3b3cb20ff7bb84ec0c83e8ff3d0f1c916cdd1b76bf8ad9b4019afdcbde7043603177e19319867e653b386b0396680fafd26b06764df53a8372a1ecd80

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66AE3BFDF94A732B262342AD2154B86E_108A7991F73F2B507007C35661993162
    Filesize

    471B

    MD5

    5fc585ad8ccb121d30a05982c2d33bb1

    SHA1

    a2cb274463a1945a875c80731afd01855abb32e3

    SHA256

    54a4e08a1d51525e6721b5cf219edb9649195c623a57667ea9e53a50c479b01d

    SHA512

    0ecc3f89130f802b38c8ff9a6fab3be68f12b09943529ab877cd8207f3100969e06df2b9bd0d5e61eec1dd9cbc3a34ab99e85fe6bd5dd71afda9736993caa9d7

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\42B9A473B4DAF01285A36B4D3C7B1662_178C086B699FD6C56B804AF3EF759CB5
    Filesize

    404B

    MD5

    e63a7a2cb11ad617175f1a0576016f92

    SHA1

    df81eb5f55f1215133708f68722ab808e9faa066

    SHA256

    004f8c633f0157d1260dba4f324cfb5b256cbb7e2e4e0f6d54b4df423e63f158

    SHA512

    6002718596859f5e7deae3aa6fd0de37eb73eff7588b1c7614816f21cb3c26ebd24ea3cadd683f5c13a4ab8c079465f784677fed3282047f4646d613df11bc08

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66AE3BFDF94A732B262342AD2154B86E_108A7991F73F2B507007C35661993162
    Filesize

    400B

    MD5

    259b6f9431539a42faf5e680a43dba49

    SHA1

    717a63f91a2164d9e7ca9a784cf4219265527e05

    SHA256

    32e48ab1abbf614af787d505af6dae6b7b5929b5831e54ab83e10746e7247a0a

    SHA512

    5300d238b159abec6af586c77b356738383b7d5f0ebea748df773978e86a9e1634321f5ad2b74f50ff974289b7690f4b700343e18c213298a8a6514e3e5ca3b1

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

    344B

    MD5

    a3df5f355f4981f875e02882dae4360c

    SHA1

    a2acdd662e97adfcdbdf542e9ee060c0bba6ac67

    SHA256

    9e2425bdc08bd9340b8572b29e74cd9275f71da07199aac30f023dfeee86457c

    SHA512

    b213162bbb4443f5b08cc9927f1018950193c17ef0f7c8416786354a0a4a4f4592cf5c8f0bd979d08607088eb356754efea078795c0227834e9660f87cd9ef57

  • C:\Users\Admin\AppData\Local\Temp\Cab231C.tmp
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar2409.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/836-35-0x0000000074540000-0x0000000074AEB000-memory.dmp
    Filesize

    5.7MB

  • memory/836-36-0x0000000074540000-0x0000000074AEB000-memory.dmp
    Filesize

    5.7MB

  • memory/836-0-0x0000000074541000-0x0000000074542000-memory.dmp
    Filesize

    4KB

  • memory/836-2-0x0000000074540000-0x0000000074AEB000-memory.dmp
    Filesize

    5.7MB

  • memory/836-1-0x0000000074540000-0x0000000074AEB000-memory.dmp
    Filesize

    5.7MB

  • memory/1832-51-0x0000000004670000-0x0000000004687000-memory.dmp
    Filesize

    92KB

  • memory/1832-50-0x0000000074540000-0x0000000074AEB000-memory.dmp
    Filesize

    5.7MB

  • memory/1832-49-0x0000000074540000-0x0000000074AEB000-memory.dmp
    Filesize

    5.7MB

  • memory/1832-55-0x0000000004670000-0x0000000004687000-memory.dmp
    Filesize

    92KB

  • memory/1832-57-0x0000000004670000-0x0000000004687000-memory.dmp
    Filesize

    92KB

  • memory/1832-60-0x00000000004E0000-0x00000000004E1000-memory.dmp
    Filesize

    4KB

  • memory/1832-61-0x0000000004670000-0x0000000004687000-memory.dmp
    Filesize

    92KB

  • memory/1832-58-0x00000000004E0000-0x00000000004E1000-memory.dmp
    Filesize

    4KB

  • memory/1832-53-0x0000000004670000-0x0000000004687000-memory.dmp
    Filesize

    92KB

  • memory/1832-52-0x0000000004670000-0x0000000004687000-memory.dmp
    Filesize

    92KB

  • memory/1832-63-0x0000000074540000-0x0000000074AEB000-memory.dmp
    Filesize

    5.7MB