Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    22-03-2023 19:47

General

  • Target

    78a95a8cb18e37d6565520be5e8013c4.exe

  • Size

    286KB

  • MD5

    78a95a8cb18e37d6565520be5e8013c4

  • SHA1

    36557486465d9d133f2ea5aceaec9731f0663f91

  • SHA256

    85259a321d6b1d54bae58397546222f0cf4584467240f0cbcdb7445577b66510

  • SHA512

    7a811797afff6e82082296a10e5f3135340f126d1230bc15983737c0363c082b8bf7651d0732d85f89c5d08e13177fed789851c6402444c4dc794ee68d90be44

  • SSDEEP

    6144:AYa66rPn6SbiaFiPvZNU2tpErTwf4ceMXIECWoqgruCRnMti4oZQ:AYsrPn6Mia4PXU2tpswfx4WvCRwoZQ

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bn26

Decoy

juweipai.com

assurance-mon-espace-sante.com

robqq.com

ablindear.com

socialmonkeys.co.uk

learningworldtech.com

imprese-it.com

themoodcollectives.africa

lutonmethodists.org.uk

castawaycovebnb.com

caronthemove.com

carolinacastro.uk

dcfashionweekintl.com

branchbasicsa.com

drpatrickakinsanya.africa

inventourownfuture.com

applege.top

whatamitiredof.com

daphan.pics

gardenstatevinyl.net

Signatures

  • Formbook

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

  • Formbook payload 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1252
    • C:\Users\Admin\AppData\Local\Temp\78a95a8cb18e37d6565520be5e8013c4.exe
      "C:\Users\Admin\AppData\Local\Temp\78a95a8cb18e37d6565520be5e8013c4.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe
        "C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe" C:\Users\Admin\AppData\Local\Temp\puvmbvd.ivv
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1208
        • C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe
          "C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:768
          • C:\Windows\SysWOW64\NAPSTAT.EXE
            "C:\Windows\SysWOW64\NAPSTAT.EXE"
            5⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1172
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe"
              6⤵
                PID:1504

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe

      Filesize

      54KB

      MD5

      7b3f0fa0f8b825f576c98b25aab2507e

      SHA1

      2b206f89862e0dbecf2bb7c6f4be20b57fd6c26d

      SHA256

      d7f5cdc9f9b70f73dc8fb1c07e0203d69a4c4b987dc909c926060bbeaaade646

      SHA512

      06692a89c230ed6c614a037410fe99de381354f302501c9cefa486c31fc9e2f35beb94d56622874ec7de41a36e7c1c4ee5fae097b26bb453254d075bde786cd0

    • C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe

      Filesize

      54KB

      MD5

      7b3f0fa0f8b825f576c98b25aab2507e

      SHA1

      2b206f89862e0dbecf2bb7c6f4be20b57fd6c26d

      SHA256

      d7f5cdc9f9b70f73dc8fb1c07e0203d69a4c4b987dc909c926060bbeaaade646

      SHA512

      06692a89c230ed6c614a037410fe99de381354f302501c9cefa486c31fc9e2f35beb94d56622874ec7de41a36e7c1c4ee5fae097b26bb453254d075bde786cd0

    • C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe

      Filesize

      54KB

      MD5

      7b3f0fa0f8b825f576c98b25aab2507e

      SHA1

      2b206f89862e0dbecf2bb7c6f4be20b57fd6c26d

      SHA256

      d7f5cdc9f9b70f73dc8fb1c07e0203d69a4c4b987dc909c926060bbeaaade646

      SHA512

      06692a89c230ed6c614a037410fe99de381354f302501c9cefa486c31fc9e2f35beb94d56622874ec7de41a36e7c1c4ee5fae097b26bb453254d075bde786cd0

    • C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe

      Filesize

      54KB

      MD5

      7b3f0fa0f8b825f576c98b25aab2507e

      SHA1

      2b206f89862e0dbecf2bb7c6f4be20b57fd6c26d

      SHA256

      d7f5cdc9f9b70f73dc8fb1c07e0203d69a4c4b987dc909c926060bbeaaade646

      SHA512

      06692a89c230ed6c614a037410fe99de381354f302501c9cefa486c31fc9e2f35beb94d56622874ec7de41a36e7c1c4ee5fae097b26bb453254d075bde786cd0

    • C:\Users\Admin\AppData\Local\Temp\potdzpp.y

      Filesize

      205KB

      MD5

      57e7a6532f1ee86992e7b4fa6580cb19

      SHA1

      3d8ea00a0b9d9f167e0433afea928b68de50980f

      SHA256

      7b96a34af9cd31c98ddc997366b3576174a392071ab344ac8f6a072d53c42547

      SHA512

      e25a318bc187ff13f50a6bdafd7ced1a141297895600b750aaf52831c38aa229a9fc964fd5eaf8abee7fc803ac8d872d2a88883f07b7a4f4df8de7849c28aa25

    • C:\Users\Admin\AppData\Local\Temp\puvmbvd.ivv

      Filesize

      5KB

      MD5

      2756cf827356d936638f325fc53574a1

      SHA1

      1d05b474adb777cb85ecd0ad2f06ff9fca1ee2ab

      SHA256

      efae399d371cd9d2132b7c4143469da0c72f4aa559dadfcd03011e4f06cec9e7

      SHA512

      fb635c25243ea0bc0d74bce2e203ce7a12a7b5fad3e4603c1fde7dbe16415be12578d804f911d1d07cb80be6ee6230ee6848ab9130f9bfb8e784f05ec05a7ad6

    • \Users\Admin\AppData\Local\Temp\jswyhdinmg.exe

      Filesize

      54KB

      MD5

      7b3f0fa0f8b825f576c98b25aab2507e

      SHA1

      2b206f89862e0dbecf2bb7c6f4be20b57fd6c26d

      SHA256

      d7f5cdc9f9b70f73dc8fb1c07e0203d69a4c4b987dc909c926060bbeaaade646

      SHA512

      06692a89c230ed6c614a037410fe99de381354f302501c9cefa486c31fc9e2f35beb94d56622874ec7de41a36e7c1c4ee5fae097b26bb453254d075bde786cd0

    • \Users\Admin\AppData\Local\Temp\jswyhdinmg.exe

      Filesize

      54KB

      MD5

      7b3f0fa0f8b825f576c98b25aab2507e

      SHA1

      2b206f89862e0dbecf2bb7c6f4be20b57fd6c26d

      SHA256

      d7f5cdc9f9b70f73dc8fb1c07e0203d69a4c4b987dc909c926060bbeaaade646

      SHA512

      06692a89c230ed6c614a037410fe99de381354f302501c9cefa486c31fc9e2f35beb94d56622874ec7de41a36e7c1c4ee5fae097b26bb453254d075bde786cd0

    • \Users\Admin\AppData\Local\Temp\jswyhdinmg.exe

      Filesize

      54KB

      MD5

      7b3f0fa0f8b825f576c98b25aab2507e

      SHA1

      2b206f89862e0dbecf2bb7c6f4be20b57fd6c26d

      SHA256

      d7f5cdc9f9b70f73dc8fb1c07e0203d69a4c4b987dc909c926060bbeaaade646

      SHA512

      06692a89c230ed6c614a037410fe99de381354f302501c9cefa486c31fc9e2f35beb94d56622874ec7de41a36e7c1c4ee5fae097b26bb453254d075bde786cd0

    • memory/768-68-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/768-78-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/768-71-0x0000000000910000-0x0000000000C13000-memory.dmp

      Filesize

      3.0MB

    • memory/768-73-0x0000000000340000-0x0000000000355000-memory.dmp

      Filesize

      84KB

    • memory/768-75-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/768-76-0x0000000000390000-0x00000000003A5000-memory.dmp

      Filesize

      84KB

    • memory/1172-82-0x00000000001B0000-0x00000000001F6000-memory.dmp

      Filesize

      280KB

    • memory/1172-80-0x00000000001B0000-0x00000000001F6000-memory.dmp

      Filesize

      280KB

    • memory/1172-83-0x0000000000080000-0x00000000000AF000-memory.dmp

      Filesize

      188KB

    • memory/1172-84-0x0000000001FD0000-0x00000000022D3000-memory.dmp

      Filesize

      3.0MB

    • memory/1172-85-0x0000000000080000-0x00000000000AF000-memory.dmp

      Filesize

      188KB

    • memory/1172-87-0x0000000001DA0000-0x0000000001E34000-memory.dmp

      Filesize

      592KB

    • memory/1252-77-0x0000000006100000-0x00000000061F7000-memory.dmp

      Filesize

      988KB

    • memory/1252-74-0x0000000005DD0000-0x0000000005EB8000-memory.dmp

      Filesize

      928KB

    • memory/1252-86-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

      Filesize

      1024KB

    • memory/1252-88-0x0000000006200000-0x00000000062B9000-memory.dmp

      Filesize

      740KB

    • memory/1252-90-0x0000000006200000-0x00000000062B9000-memory.dmp

      Filesize

      740KB

    • memory/1252-92-0x0000000006200000-0x00000000062B9000-memory.dmp

      Filesize

      740KB