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Analysis

  • max time kernel
    186s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 15:23

General

  • Target

    7966922c26c3e78b28ce1d51fb6ed85e4a8fad7b3187bdb31a59355572110e65.exe

  • Size

    2.7MB

  • MD5

    9e659727fabfd9da06acb1071f083379

  • SHA1

    4ad139850cdac9a2eb4832bd4795f40c162bbccb

  • SHA256

    7966922c26c3e78b28ce1d51fb6ed85e4a8fad7b3187bdb31a59355572110e65

  • SHA512

    7b1a142cd74962e51f769c229a8a3f4d7bb46a2a200db4f8e6807ee79355c1a4f971d26e113bf48b70cc1ea283704a7c2671f0127a68b8ea322eb56485590722

  • SSDEEP

    49152:m4IvhmY1pu2asY6DwOBfrnvV7UeWtSF/RxdI6vY80Wl/Rvnqw5bxSowDrHy:mrvhd1pdYiwOBpIeWYF/iPWl/9qw5bQI

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7966922c26c3e78b28ce1d51fb6ed85e4a8fad7b3187bdb31a59355572110e65.exe
    "C:\Users\Admin\AppData\Local\Temp\7966922c26c3e78b28ce1d51fb6ed85e4a8fad7b3187bdb31a59355572110e65.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Users\Admin\AppData\Local\Temp\1eieyz54.heh\7966922c26c3e78b28ce1d51fb6ed85e4a8fad7b3187bdb31a59355572110e65.exe
      "C:\Users\Admin\AppData\Local\Temp\1eieyz54.heh\7966922c26c3e78b28ce1d51fb6ed85e4a8fad7b3187bdb31a59355572110e65.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:956

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\7966922c26c3e78b28ce1d51fb6ed85e4a8fad7b3187bdb31a59355572110e65.exe.log

    Filesize

    312B

    MD5

    d4b49ac61a6cac139f96450777c10204

    SHA1

    92089d33442c9e2eaceac3ed8db6a7168f938e5a

    SHA256

    807bdfa62a4312030c1ed54981674cff77f6108e6b4957754cabb810098ce082

    SHA512

    eb13a0e7f0d4b44db7e8d0625ba1ee6a036083c39c24b85493d3ec9074ada03eb7003b97bd92ed5f2baaf26295a4690303332593c4776e75da5bc3b6adbc3ea6

  • C:\Users\Admin\AppData\Local\Temp\1eieyz54.heh\7966922c26c3e78b28ce1d51fb6ed85e4a8fad7b3187bdb31a59355572110e65.exe

    Filesize

    2.6MB

    MD5

    696c58393e18ebb4e8c895267f43cbf0

    SHA1

    e4cbc7d42533da3ba5f043a9a04d1390b0920390

    SHA256

    52c3163babb0d4994c199c08b39c05c7cb44be00c51a98cd91827218e98743ba

    SHA512

    8683b2c2dc7d127601687ea67ef8ab46fa7b6f632722ab4feaa14f766819e58294c2f14bd012a3b4d318b076bd5f56e74c99eb78b71692e98b04b87c830e7031

  • C:\Users\Admin\AppData\Local\Temp\1eieyz54.heh\7966922c26c3e78b28ce1d51fb6ed85e4a8fad7b3187bdb31a59355572110e65.exe

    Filesize

    2.6MB

    MD5

    696c58393e18ebb4e8c895267f43cbf0

    SHA1

    e4cbc7d42533da3ba5f043a9a04d1390b0920390

    SHA256

    52c3163babb0d4994c199c08b39c05c7cb44be00c51a98cd91827218e98743ba

    SHA512

    8683b2c2dc7d127601687ea67ef8ab46fa7b6f632722ab4feaa14f766819e58294c2f14bd012a3b4d318b076bd5f56e74c99eb78b71692e98b04b87c830e7031

  • C:\Users\Admin\AppData\Local\Temp\1eieyz54.heh\7z.dll

    Filesize

    893KB

    MD5

    04ad4b80880b32c94be8d0886482c774

    SHA1

    344faf61c3eb76f4a2fb6452e83ed16c9cce73e0

    SHA256

    a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338

    SHA512

    3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb

  • memory/956-146-0x00000000001C0000-0x00000000002B0000-memory.dmp

    Filesize

    960KB

  • memory/956-145-0x0000000076060000-0x0000000076143000-memory.dmp

    Filesize

    908KB

  • memory/956-138-0x0000000075C20000-0x0000000075E35000-memory.dmp

    Filesize

    2.1MB

  • memory/956-139-0x0000000074C20000-0x00000000751D1000-memory.dmp

    Filesize

    5.7MB

  • memory/956-137-0x00000000001C0000-0x00000000002B0000-memory.dmp

    Filesize

    960KB

  • memory/956-141-0x0000000075440000-0x00000000759F3000-memory.dmp

    Filesize

    5.7MB

  • memory/956-143-0x0000000076690000-0x0000000076911000-memory.dmp

    Filesize

    2.5MB

  • memory/956-144-0x00000000001C0000-0x00000000002B0000-memory.dmp

    Filesize

    960KB

  • memory/956-155-0x0000000073090000-0x0000000073098000-memory.dmp

    Filesize

    32KB

  • memory/956-154-0x0000000074C20000-0x00000000751D1000-memory.dmp

    Filesize

    5.7MB

  • memory/956-142-0x0000000002E80000-0x0000000002EBD000-memory.dmp

    Filesize

    244KB

  • memory/956-147-0x0000000074C20000-0x00000000751D1000-memory.dmp

    Filesize

    5.7MB

  • memory/956-148-0x0000000073940000-0x000000007399B000-memory.dmp

    Filesize

    364KB

  • memory/956-149-0x0000000072DB0000-0x000000007308E000-memory.dmp

    Filesize

    2.9MB

  • memory/956-150-0x0000000073090000-0x0000000073098000-memory.dmp

    Filesize

    32KB

  • memory/956-152-0x0000000002E80000-0x0000000002EBD000-memory.dmp

    Filesize

    244KB

  • memory/956-153-0x00000000001C0000-0x00000000002B0000-memory.dmp

    Filesize

    960KB

  • memory/2860-136-0x0000000074C50000-0x0000000075201000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-132-0x0000000074C50000-0x0000000075201000-memory.dmp

    Filesize

    5.7MB