Analysis

  • max time kernel
    142s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-01-2024 19:34

General

  • Target

    7835523fb2325446824091b9b51eb428.exe

  • Size

    2.7MB

  • MD5

    7835523fb2325446824091b9b51eb428

  • SHA1

    bb7c7b7a38281dd5c8d3ca7e688b4d497ac74888

  • SHA256

    2e54b3cd5a16b72d15a495353764944a3ae251ae147833bddf1f09ac8608d9c7

  • SHA512

    92aac0b49362618ba73093365e7eaea3e467a20330a89114bc7aa16074b1a734a184bb2d1c3381233de1443124d07050b2853bdba7da8abbcf5c2e3f82db4cb3

  • SSDEEP

    49152:k2kJaM0/ILhHD0xpruRN9uM5QBKLfniPUnrudY/ktspwJkbO9JvD+vW8Y/a+:paaMIIKxpruRzuUQB2sUnrudY/sewSOf

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7835523fb2325446824091b9b51eb428.exe
    "C:\Users\Admin\AppData\Local\Temp\7835523fb2325446824091b9b51eb428.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Users\Admin\AppData\Local\Temp\is-7CTQB.tmp\7835523fb2325446824091b9b51eb428.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7CTQB.tmp\7835523fb2325446824091b9b51eb428.tmp" /SL5="$B0050,2463795,50688,C:\Users\Admin\AppData\Local\Temp\7835523fb2325446824091b9b51eb428.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4224
      • C:\Users\Admin\AppData\Local\Temp\is-35Q1A.tmp\rkverify.exe
        "C:\Users\Admin\AppData\Local\Temp\is-35Q1A.tmp\rkverify.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:3716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CSM564E.tmp

    Filesize

    148KB

    MD5

    580d9673e5ec5d90de1f83e2fd1742c2

    SHA1

    0dd94bcc3dc39097bf4bea145356e398665dda4f

    SHA256

    868b1aee31c6335a5fc4257f20346e2d99fbd86bc7554b415da41fc19b13b3b1

    SHA512

    f31f651034ccdaa7ed0bc134186ec56a687495ebf4888fc0d538457684b9f4dbb1b63f38f5881af929ef41e7a4f5d2820e0301118d79e32c4b3c1f1fdef9696b

  • C:\Users\Admin\AppData\Local\Temp\is-35Q1A.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • C:\Users\Admin\AppData\Local\Temp\is-35Q1A.tmp\rkverify.exe

    Filesize

    236KB

    MD5

    13a90680100cd1dd6e49bb3c8982b671

    SHA1

    11cd205b2d87a595bbd762ba34e6f85cc7dbced5

    SHA256

    cc93832d7ebdbe3179c883ec56c7f04122512143910b5b091e01cd63c9a4438e

    SHA512

    0283436e103c02f6ffac99fa4ec4824373c7e77f8627cc4812354ee51029187d446ed98fb1f1f0f204d1d63eaa377e0f7c9511360c213c76662b8a9e25939c51

  • C:\Users\Admin\AppData\Local\Temp\is-7CTQB.tmp\7835523fb2325446824091b9b51eb428.tmp

    Filesize

    666KB

    MD5

    022a62afadf6ad59a82329273c6db50d

    SHA1

    75202f050bbb8986dda9f0f665b5d56bcc48690d

    SHA256

    e7bf684865dfef9a1cec9925259087a361a98fbedbfe6c4e9e0066299c7fbf58

    SHA512

    01a7ef5ef722774c96f23d17c30884745ae01ebc54017b404408dd86b02ce399595e1d15f6eb5d55c1876aff6a78fd07bde13e9559c07ab659a00cbf7275dd09

  • memory/640-36-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/640-1-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/640-0-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4224-6-0x0000000002240000-0x0000000002241000-memory.dmp

    Filesize

    4KB

  • memory/4224-35-0x0000000005360000-0x0000000005370000-memory.dmp

    Filesize

    64KB

  • memory/4224-37-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4224-38-0x0000000075220000-0x00000000753C0000-memory.dmp

    Filesize

    1.6MB

  • memory/4224-39-0x0000000076C90000-0x0000000076CB4000-memory.dmp

    Filesize

    144KB

  • memory/4224-40-0x0000000075E20000-0x0000000075EFC000-memory.dmp

    Filesize

    880KB

  • memory/4224-46-0x0000000002240000-0x0000000002241000-memory.dmp

    Filesize

    4KB