Analysis

  • max time kernel
    601s
  • max time network
    605s
  • 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 16:53

General

  • Target

    KhQbm6cw8BSvGQH.exe

  • Size

    946KB

  • MD5

    a0e0041b5cc1caf86029d98524c09489

  • SHA1

    d2d70e73fd2ec34ab0c7c157561cc41aa689d3f9

  • SHA256

    7a235cfadbd748b39ad61448836b2fde622f708806d83c64a51a8207fe69c2b1

  • SHA512

    bf06b58df4a752bc2bbe2375b9b0464bef6687a5dcb0c06c92aef24b068d20d27eb4ecb06bde5df8725131dcf24e252080666bbb0defb48744a6f6b379cbca5e

  • SSDEEP

    24576:NQqxskYLPwUZpYzMrcCtxbnNSwENTiwAAgEEY4:O/LoUZWzMr1xrreTQp

Malware Config

Extracted

Family

formbook

Campaign

2qgh

Decoy

7cUtkK451uW3IAE4/yY=

r7cDdn3Mbv9AuOLyud/l

VzVz5W7v/eHsJw==

+gUH0Vq3gppOPUwFstbvBQ==

LT02F9l1LM8fDyv7pu3lEg==

IRvy0sU/9TJI4XXyud/l

j2uvJzxRAzHv7gFT+TE=

2z/CJFZUKKcMPw==

WrXt6QWBJVNNh4iopu3lEg==

cFvMK1DkuFOH6XDyud/l

XbuL8S98LCJRoT0=

ScMKAv1fM1gPNynvgzQxp4wjgQ==

wg5XO8QJ/eHsJw==

XwzcMbUJ/eHsJw==

pINRMecMhdpdczc=

GfpawLT109ImVyo=

m6uQf5oY79fZCeS9

MP9cvCAc8Hm6

F0861AT+HRQSOg==

fOEUByeNA4PBO4c5mAn5Eud1Xdw=

Extracted

Family

xloader

Version

3.Æ…

Campaign

2qgh

Decoy

7cUtkK451uW3IAE4/yY=

r7cDdn3Mbv9AuOLyud/l

VzVz5W7v/eHsJw==

+gUH0Vq3gppOPUwFstbvBQ==

LT02F9l1LM8fDyv7pu3lEg==

IRvy0sU/9TJI4XXyud/l

j2uvJzxRAzHv7gFT+TE=

2z/CJFZUKKcMPw==

WrXt6QWBJVNNh4iopu3lEg==

cFvMK1DkuFOH6XDyud/l

XbuL8S98LCJRoT0=

ScMKAv1fM1gPNynvgzQxp4wjgQ==

wg5XO8QJ/eHsJw==

XwzcMbUJ/eHsJw==

pINRMecMhdpdczc=

GfpawLT109ImVyo=

m6uQf5oY79fZCeS9

MP9cvCAc8Hm6

F0861AT+HRQSOg==

fOEUByeNA4PBO4c5mAn5Eud1Xdw=

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:2592
    • C:\Users\Admin\AppData\Local\Temp\KhQbm6cw8BSvGQH.exe
      "C:\Users\Admin\AppData\Local\Temp\KhQbm6cw8BSvGQH.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4820
      • C:\Users\Admin\AppData\Local\Temp\KhQbm6cw8BSvGQH.exe
        "C:\Users\Admin\AppData\Local\Temp\KhQbm6cw8BSvGQH.exe"
        3⤵
          PID:1680
        • C:\Users\Admin\AppData\Local\Temp\KhQbm6cw8BSvGQH.exe
          "C:\Users\Admin\AppData\Local\Temp\KhQbm6cw8BSvGQH.exe"
          3⤵
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1664
          • C:\Windows\SysWOW64\help.exe
            "C:\Windows\SysWOW64\help.exe"
            4⤵
            • Suspicious use of SetThreadContext
            • Modifies Internet Explorer settings
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2124
            • C:\Program Files\Mozilla Firefox\Firefox.exe
              "C:\Program Files\Mozilla Firefox\Firefox.exe"
              5⤵
                PID:988

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1664-138-0x0000000000000000-mapping.dmp
      • memory/1664-153-0x0000000000401000-0x000000000042E000-memory.dmp
        Filesize

        180KB

      • memory/1664-152-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/1664-150-0x0000000000F80000-0x0000000000F90000-memory.dmp
        Filesize

        64KB

      • memory/1664-149-0x0000000000422000-0x0000000000424000-memory.dmp
        Filesize

        8KB

      • memory/1664-145-0x0000000000422000-0x0000000000424000-memory.dmp
        Filesize

        8KB

      • memory/1664-139-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/1664-141-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/1664-142-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/1664-143-0x0000000000401000-0x000000000042E000-memory.dmp
        Filesize

        180KB

      • memory/1664-144-0x0000000001250000-0x000000000159A000-memory.dmp
        Filesize

        3.3MB

      • memory/1664-146-0x00000000009F0000-0x0000000000A00000-memory.dmp
        Filesize

        64KB

      • memory/1680-137-0x0000000000000000-mapping.dmp
      • memory/2124-156-0x0000000000DD0000-0x0000000000DFD000-memory.dmp
        Filesize

        180KB

      • memory/2124-157-0x00000000017C0000-0x0000000001B0A000-memory.dmp
        Filesize

        3.3MB

      • memory/2124-159-0x00000000015F0000-0x000000000167F000-memory.dmp
        Filesize

        572KB

      • memory/2124-158-0x0000000000DD0000-0x0000000000DFD000-memory.dmp
        Filesize

        180KB

      • memory/2124-155-0x0000000000760000-0x0000000000767000-memory.dmp
        Filesize

        28KB

      • memory/2124-154-0x0000000000000000-mapping.dmp
      • memory/2592-151-0x0000000007F30000-0x000000000807E000-memory.dmp
        Filesize

        1.3MB

      • memory/2592-147-0x00000000026A0000-0x0000000002759000-memory.dmp
        Filesize

        740KB

      • memory/2592-160-0x00000000027C0000-0x00000000028A8000-memory.dmp
        Filesize

        928KB

      • memory/2592-161-0x00000000027C0000-0x00000000028A8000-memory.dmp
        Filesize

        928KB

      • memory/4820-133-0x0000000006030000-0x00000000065D4000-memory.dmp
        Filesize

        5.6MB

      • memory/4820-134-0x0000000005A80000-0x0000000005B12000-memory.dmp
        Filesize

        584KB

      • memory/4820-132-0x0000000000FA0000-0x0000000001092000-memory.dmp
        Filesize

        968KB

      • memory/4820-135-0x0000000005A50000-0x0000000005A5A000-memory.dmp
        Filesize

        40KB

      • memory/4820-136-0x0000000009800000-0x000000000989C000-memory.dmp
        Filesize

        624KB