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Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 18:33

General

  • Target

    a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe

  • Size

    173KB

  • MD5

    a831df017d8ad6aea976eef21caf2b4f

  • SHA1

    b611550ba80df0c202b2ff1efd8d8fd3ecb29964

  • SHA256

    a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f

  • SHA512

    1996fe7123868d0157fc9cd99f4f325b3a728e60a7b5ee9186824ae72d8fe755d6461b21adc414320ee1610ae40c51194f8152d9e0da6e68edd8831e172fc24b

  • SSDEEP

    3072:NuOm+LDsW55eB6fnRmjmcVyCtjgM+lWlpAkfnAv81lI7TNnAjbSReqDB+Qk:NL8W55OHyzlK2T6Kn6niDB

Score
8/10

Malware Config

Signatures

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

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

  • 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 2 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:740
    • C:\Users\Admin\AppData\Local\Temp\a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
      "C:\Users\Admin\AppData\Local\Temp\a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe"
      2⤵
      • Registers COM server for autorun
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4528

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2295526160-1155304984-640977766-1000\$e0613d909b67ae6058f9584af5f18b89\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • C:\$Recycle.Bin\S-1-5-21-2295526160-1155304984-640977766-1000\$e0613d909b67ae6058f9584af5f18b89\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • memory/4528-132-0x0000000002060000-0x00000000020A9000-memory.dmp

    Filesize

    292KB

  • memory/4528-133-0x0000000000400000-0x0000000000449000-memory.dmp

    Filesize

    292KB

  • memory/4528-134-0x0000000002060000-0x00000000020A9000-memory.dmp

    Filesize

    292KB

  • memory/4528-137-0x0000000000400000-0x0000000000449000-memory.dmp

    Filesize

    292KB