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Analysis

  • max time kernel
    158s
  • max time network
    189s
  • 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, 09:31

General

  • Target

    8b978d7bea5740b4344adf57efde79f9b8f659a148f49897b8040aa203bc091e.exe

  • Size

    154KB

  • MD5

    7e5cc8474a607fc762fce85e95a3b5ea

  • SHA1

    7863d15df5c2ea7fb715dafe77743201873eb6aa

  • SHA256

    8b978d7bea5740b4344adf57efde79f9b8f659a148f49897b8040aa203bc091e

  • SHA512

    b173aa4a6b26cf782329968b8415a1bbe134b7fbe594eaf14fe82c12e317926e4d9046afcf4ab3d54c57784c18a6da4ce63224f4586277bc8c80386683ab1b54

  • SSDEEP

    3072:D6AZRbYuwDZhWesHcyiVXC4tn6kvvG+gsPVHbyajq:D6AZFwDZhWesHUZtn6qL0a

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Registers COM server for autorun 1 TTPs 3 IoCs
  • Deletes itself 1 IoCs
  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:2616
    • C:\Users\Admin\AppData\Local\Temp\8b978d7bea5740b4344adf57efde79f9b8f659a148f49897b8040aa203bc091e.exe
      "C:\Users\Admin\AppData\Local\Temp\8b978d7bea5740b4344adf57efde79f9b8f659a148f49897b8040aa203bc091e.exe"
      2⤵
      • Registers COM server for autorun
      • Suspicious use of SetThreadContext
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2212
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        PID:2128

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2629973501-4017243118-3254762364-1000\$8dceb85e8508ee5bcccc98a6b145e6ef\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • C:\$Recycle.Bin\S-1-5-21-2629973501-4017243118-3254762364-1000\$8dceb85e8508ee5bcccc98a6b145e6ef\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • memory/2212-132-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2212-133-0x00000000021B0000-0x00000000021EF000-memory.dmp

    Filesize

    252KB

  • memory/2212-134-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2212-137-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2212-139-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB