Analysis

  • max time kernel
    45s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2022, 17:06

General

  • Target

    _Silent Install.cmd

  • Size

    1KB

  • MD5

    b144f4c817cf6a66b2e468b1379dc669

  • SHA1

    adfe8b7d329561bfbeb14dff6a281b46a7da1eb3

  • SHA256

    ce86cd60690255a5a5e7375a7ba779bccbf26591f5948d3ca246d1fc599dcb41

  • SHA512

    39e03d822f915ef9c4f6a9cd1ee9e593ada79060cbaae1d4f06ee48c7aef2e9c3ce5043e1966a390e777b319696a2c5bfe49882fbf0023b8053fd45b1d693fea

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\_Silent Install.cmd"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1340
    • C:\Users\Admin\AppData\Local\Temp\StartBack AiO 1.0.65.1.exe
      "StartBack AiO 1.0.65.1.exe" /SILENT
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      • Suspicious use of WriteProcessMemory
      PID:1116
      • C:\Users\Admin\AppData\Local\Temp\is-04UDV.tmp\StartBack AiO 1.0.65.1.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-04UDV.tmp\StartBack AiO 1.0.65.1.tmp" /SL5="$E0152,5455581,64512,C:\Users\Admin\AppData\Local\Temp\StartBack AiO 1.0.65.1.exe" /SILENT
        3⤵
        • Executes dropped EXE
        PID:1936

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-04UDV.tmp\StartBack AiO 1.0.65.1.tmp

    Filesize

    911KB

    MD5

    2bbecb156b7d6f099cfa2361f481d8a2

    SHA1

    57bfd64b9ddf14015f667eed91c1eb472c3b1b3a

    SHA256

    b1c19d727278d178a28016ff6a5816c87ef7066f81111a0af74a35d854c05246

    SHA512

    a70f006fd333552794562dfea282a0622fb35d41e1d7aa9c93014d6a649ca59982303ecbc4cdd9678cbb4a1862b05fd28389813d0e1252d44469223f55414e71

  • \Users\Admin\AppData\Local\Temp\is-04UDV.tmp\StartBack AiO 1.0.65.1.tmp

    Filesize

    911KB

    MD5

    2bbecb156b7d6f099cfa2361f481d8a2

    SHA1

    57bfd64b9ddf14015f667eed91c1eb472c3b1b3a

    SHA256

    b1c19d727278d178a28016ff6a5816c87ef7066f81111a0af74a35d854c05246

    SHA512

    a70f006fd333552794562dfea282a0622fb35d41e1d7aa9c93014d6a649ca59982303ecbc4cdd9678cbb4a1862b05fd28389813d0e1252d44469223f55414e71

  • memory/1116-55-0x00000000758B1000-0x00000000758B3000-memory.dmp

    Filesize

    8KB

  • memory/1116-56-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1116-62-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1116-63-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB