Analysis

  • max time kernel
    178s
  • max time network
    182s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 07:18

General

  • Target

    PO NO. 6COS2214634.exe

  • Size

    1.1MB

  • MD5

    5a3f411d3149c56950e8c9d54f29330e

  • SHA1

    587ebc690239bb64b910469515f1ce3639b3f9e7

  • SHA256

    4ac30ca3142675b81e4490da111a69336cc0b41b21049d3a8bb6b38e7851b529

  • SHA512

    2e4148c888910dee29617ab4bfa3fa4a52accf14a32f7f72f16ab085f536ec31859b27e59a7bf29b60f0c17bed25f5cf5ba4bf1d53f6acee17cd8699dad22e2e

  • SSDEEP

    24576:ezeKBgh/aweUeij4GDXXxfOaHc0l9ST5mkSBmHfI43BCs2Dz:ezeKSh/desZDXXlOaHBlYd0B74RCH

Malware Config

Extracted

Family

formbook

Campaign

m5oe

Decoy

HdR8hG6r12hBYuHY4zv6YeeFPQ==

tD1V9gswYvgQXEGd

1xKtJ1LdqRYMRMC84U1A

MbhjiWb7Lz8z7KIWl3UyUIJwA6Tb

joVB5Xggy2RtE+odsZg=

TrduAIay6Y3SvoIK20xI

pSna7LOsXXwXT/zz3Iow4g==

QnthmO4Qst5gC3sDoA==

eAirzOOgO7SOCenz3Iow4g==

xg0uSbfLTg==

YWQXwyGRzPEHzGrDFE8CBSE=

ujLnfuXoH9dbgHIK20xI

291v0XsGFrYQXEGd

MRvTd/qMuaHpjCM=

X131fLC6VWX4MsvCb2IPjIfq8wlksWfg

Y9Bur8DbgqFt/Yni86MMCCE=

q6RTBmJkmy5pWTmmCCrvmuCDPw==

mQS26DojT+EQXEGd

sjHQ+Kav2Wx9FeodsZg=

JA24UKnTA5re1LhcQaVo/w==

Signatures

  • Formbook

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

  • 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 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Users\Admin\AppData\Local\Temp\PO NO. 6COS2214634.exe
      "C:\Users\Admin\AppData\Local\Temp\PO NO. 6COS2214634.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\Users\Admin\AppData\Local\Temp\PO NO. 6COS2214634.exe
        "C:\Users\Admin\AppData\Local\Temp\PO NO. 6COS2214634.exe"
        3⤵
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1172
    • C:\Windows\SysWOW64\NAPSTAT.EXE
      "C:\Windows\SysWOW64\NAPSTAT.EXE"
      2⤵
      • 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:768
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:2012

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      849KB

      MD5

      87f9e5a6318ac1ec5ee05aa94a919d7a

      SHA1

      7a9956e8de89603dba99772da29493d3fd0fe37d

      SHA256

      7705b87603e0d772e1753441001fcf1ac2643ee41bf14a8177de2c056628665c

      SHA512

      c45c03176142918e34f746711e83384572bd6a8ed0a005600aa4a18cf22eade06c76eda190b37db49ec1971c4649e086affd19eee108c5f405df27c0c8cb23d2

    • memory/768-73-0x0000000000710000-0x0000000000756000-memory.dmp

      Filesize

      280KB

    • memory/768-74-0x00000000000C0000-0x00000000000ED000-memory.dmp

      Filesize

      180KB

    • memory/768-72-0x0000000000000000-mapping.dmp

    • memory/768-75-0x0000000002020000-0x0000000002323000-memory.dmp

      Filesize

      3.0MB

    • memory/768-76-0x0000000000600000-0x000000000068F000-memory.dmp

      Filesize

      572KB

    • memory/768-80-0x00000000000C0000-0x00000000000ED000-memory.dmp

      Filesize

      180KB

    • memory/944-57-0x0000000000290000-0x000000000029C000-memory.dmp

      Filesize

      48KB

    • memory/944-54-0x00000000010F0000-0x0000000001208000-memory.dmp

      Filesize

      1.1MB

    • memory/944-59-0x0000000000C40000-0x0000000000CB2000-memory.dmp

      Filesize

      456KB

    • memory/944-58-0x0000000006080000-0x000000000612A000-memory.dmp

      Filesize

      680KB

    • memory/944-56-0x0000000000270000-0x0000000000288000-memory.dmp

      Filesize

      96KB

    • memory/944-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

      Filesize

      8KB

    • memory/1172-60-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1172-70-0x0000000000070000-0x0000000000080000-memory.dmp

      Filesize

      64KB

    • memory/1172-69-0x00000000008F0000-0x0000000000BF3000-memory.dmp

      Filesize

      3.0MB

    • memory/1172-68-0x0000000000401000-0x000000000042F000-memory.dmp

      Filesize

      184KB

    • memory/1172-67-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1172-66-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1172-64-0x00000000004012B0-mapping.dmp

    • memory/1172-63-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1172-61-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1268-71-0x0000000003CE0000-0x0000000003DFB000-memory.dmp

      Filesize

      1.1MB

    • memory/1268-77-0x0000000004960000-0x0000000004A11000-memory.dmp

      Filesize

      708KB

    • memory/1268-78-0x0000000003CE0000-0x0000000003DFB000-memory.dmp

      Filesize

      1.1MB

    • memory/1268-81-0x0000000004960000-0x0000000004A11000-memory.dmp

      Filesize

      708KB