Analysis

  • max time kernel
    254s
  • max time network
    356s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 10:00

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=

Signatures

  • Formbook

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

  • Blocklisted process makes network request 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
  • Suspicious use of SetThreadContext 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Users\Admin\AppData\Local\Temp\KhQbm6cw8BSvGQH.exe
      "C:\Users\Admin\AppData\Local\Temp\KhQbm6cw8BSvGQH.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:568
      • 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
        PID:1896
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:860
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:1768

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\sqlite3.dll
      Filesize

      1.1MB

      MD5

      f55e5766477de5997da50f12c9c74c91

      SHA1

      4dc98900a887be95411f07b9e597c57bdc7dbab3

      SHA256

      90be88984ee60864256378c952d44b13d55ac032ab6a7b8c698885176bcece69

      SHA512

      983417a297e68b58fbd1c07fed7a1697d249110a2c10644b2dc96e3facedd3fbfbcac6a7809631ffd62894f02cadd4d3e62022b9e5e026e5bf434f1eb1878f05

    • memory/568-54-0x0000000000CD0000-0x0000000000DC2000-memory.dmp
      Filesize

      968KB

    • memory/568-59-0x0000000005F40000-0x0000000005F96000-memory.dmp
      Filesize

      344KB

    • memory/568-56-0x0000000000510000-0x0000000000526000-memory.dmp
      Filesize

      88KB

    • memory/568-58-0x0000000007E80000-0x0000000007F10000-memory.dmp
      Filesize

      576KB

    • memory/568-57-0x0000000000530000-0x000000000053E000-memory.dmp
      Filesize

      56KB

    • memory/568-55-0x00000000763D1000-0x00000000763D3000-memory.dmp
      Filesize

      8KB

    • memory/860-85-0x0000000001FB0000-0x000000000203F000-memory.dmp
      Filesize

      572KB

    • memory/860-87-0x0000000000090000-0x00000000000BD000-memory.dmp
      Filesize

      180KB

    • memory/860-83-0x0000000002180000-0x0000000002483000-memory.dmp
      Filesize

      3.0MB

    • memory/860-82-0x0000000000090000-0x00000000000BD000-memory.dmp
      Filesize

      180KB

    • memory/860-81-0x0000000000A00000-0x0000000000A14000-memory.dmp
      Filesize

      80KB

    • memory/860-78-0x0000000000000000-mapping.dmp
    • memory/1284-88-0x0000000006C50000-0x0000000006DC2000-memory.dmp
      Filesize

      1.4MB

    • memory/1284-86-0x0000000006C50000-0x0000000006DC2000-memory.dmp
      Filesize

      1.4MB

    • memory/1284-76-0x00000000066B0000-0x00000000067FE000-memory.dmp
      Filesize

      1.3MB

    • memory/1284-84-0x00000000066B0000-0x00000000067FE000-memory.dmp
      Filesize

      1.3MB

    • memory/1284-72-0x0000000006550000-0x0000000006616000-memory.dmp
      Filesize

      792KB

    • memory/1896-63-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/1896-75-0x0000000000220000-0x0000000000230000-memory.dmp
      Filesize

      64KB

    • memory/1896-77-0x0000000000401000-0x000000000042E000-memory.dmp
      Filesize

      180KB

    • memory/1896-79-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/1896-74-0x0000000000422000-0x0000000000424000-memory.dmp
      Filesize

      8KB

    • memory/1896-73-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/1896-70-0x0000000000422000-0x0000000000424000-memory.dmp
      Filesize

      8KB

    • memory/1896-71-0x00000000001A0000-0x00000000001B0000-memory.dmp
      Filesize

      64KB

    • memory/1896-69-0x0000000000800000-0x0000000000B03000-memory.dmp
      Filesize

      3.0MB

    • memory/1896-67-0x0000000000401000-0x000000000042E000-memory.dmp
      Filesize

      180KB

    • memory/1896-66-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/1896-64-0x00000000004012B0-mapping.dmp
    • memory/1896-61-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/1896-60-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB