Analysis

  • max time kernel
    148s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    13-01-2021 07:41

General

  • Target

    PO-000202112.exe

  • Size

    1.0MB

  • MD5

    673900f8da4aa24a77f61417d0273d85

  • SHA1

    0d04e357ccb332b63b1a8d9d4e9f6b889c2f0b77

  • SHA256

    c3a69db8642855e1dfcbcb213f7f050c5fb2d86744183b13483411f97009c2a0

  • SHA512

    63c30b550f314620cdc961eb1dcb0c91e8f9b702aa722f34b0c81c308ac5f44ab9818bd12fb8e13aabc6ed3bab16b6df90b1727aed976fcf86ee4a0422adfde6

Malware Config

Extracted

Family

formbook

C2

http://www.culturespk.com/kbl/

Decoy

flamesapp.com

ravenridgehoa.com

epraggma.com

stupidbooks.com

jointhesadls.com

estavisaapplication.com

12minhomebusiness.com

wwddww.com

stratusdetroitmail.com

storevanguard.com

cadeaux-et-gadgets.com

vbnfnleoba.club

ilikecircles.com

inspirednycharm.com

baizhongcai.com

medinius.info

call0815.com

vastu618.com

beautyshopin.com

looksplanet.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\PO-000202112.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-000202112.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1068
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KUrQojFHu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D74.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:568
      • C:\Users\Admin\AppData\Local\Temp\PO-000202112.exe
        "C:\Users\Admin\AppData\Local\Temp\PO-000202112.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1628
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\SysWOW64\svchost.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PO-000202112.exe"
        3⤵
        • Deletes itself
        PID:1644

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4D74.tmp

    MD5

    da0350df4e583321d377aab062f93474

    SHA1

    6edf90010da6b512ad7702ca02bc82727ed043be

    SHA256

    9190d2e880dffd0dab8bcb93c002cba1313d38b4d86082bf2da18a6cb1734ec7

    SHA512

    c368a958e9e9daf3b560cb8535d844c7012f4e71f33c767403de2751eca3d7508c9423c6aff831066ab5a4d87ab85bc302992270773249b98218f6f5ca2181b9

  • memory/568-7-0x0000000000000000-mapping.dmp

  • memory/1068-3-0x00000000009F0000-0x00000000009F1000-memory.dmp

    Filesize

    4KB

  • memory/1068-5-0x00000000004C0000-0x00000000004D2000-memory.dmp

    Filesize

    72KB

  • memory/1068-6-0x0000000004360000-0x00000000043CA000-memory.dmp

    Filesize

    424KB

  • memory/1068-2-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/1236-11-0x0000000007650000-0x00000000077B7000-memory.dmp

    Filesize

    1.4MB

  • memory/1624-12-0x0000000000000000-mapping.dmp

  • memory/1624-13-0x0000000000590000-0x0000000000598000-memory.dmp

    Filesize

    32KB

  • memory/1624-15-0x0000000000640000-0x00000000006E1000-memory.dmp

    Filesize

    644KB

  • memory/1628-10-0x000000000041EAC0-mapping.dmp

  • memory/1628-9-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1644-14-0x0000000000000000-mapping.dmp