Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    03-11-2021 19:42

General

  • Target

    Inquiry docs_00345.xlsx

  • Size

    185KB

  • MD5

    8601e9fbd0710b734aaa95ba56ebf397

  • SHA1

    d5fefeba0606f92a7223bbe51091132404670daa

  • SHA256

    b224f2409381b02e0f465d688fba51a84efc05092c484fc5521b6b2ac8698aa9

  • SHA512

    2f85167f109a1cbe77dcbe5bebbcd00f83abc72f34f491657f3e25319aaed07ee68e529287e500ca6220fb88f2b171f4b7cb0040de34c488d3d8b72c70abc95d

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ga6b

C2

http://www.egyptian-museum.com/ga6b/

Decoy

diasporacospices.com

sd-shenghe.com

onlinewritingjobs.net

greenstreamgroup.store

garageair.agency

idh-bf.com

middenhavendambreskens.com

szkoleniawcag.online

wiremefeelings.com

ottosperformance.com

brothermush.com

weiserpath.com

baohiemtv24h.com

glassgalaxynft.com

spiritualmind.space

18130072012.com

3v0.space

smartgadgetscompare.com

corvusexpeditii.xyz

egcontabilidade.website

Signatures

  • Detect Neshta Payload 7 IoCs
  • Formbook

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

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 17 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 27 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:1200
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\Inquiry docs_00345.xlsx"
      2⤵
      • Enumerates system info in registry
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1268
    • C:\Windows\SysWOW64\NAPSTAT.EXE
      "C:\Windows\SysWOW64\NAPSTAT.EXE"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exe"
        3⤵
          PID:984
        • C:\Program Files\Mozilla Firefox\Firefox.exe
          "C:\Program Files\Mozilla Firefox\Firefox.exe"
          3⤵
            PID:932
      • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
        "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
        1⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Launches Equation Editor
        • Suspicious use of WriteProcessMemory
        PID:856
        • C:\Users\Public\vbc.exe
          "C:\Users\Public\vbc.exe"
          2⤵
          • Modifies system executable filetype association
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:1536
          • C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exe
            "C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exe"
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1408
            • C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exe
              "C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              PID:960

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\Content.IE5\RHI8KPQK\LOADER~1.EXE
        MD5

        36ca5751b0b2d9321215f223a18aefbf

        SHA1

        c9661ff48f2eaa2718a46b23a70a02a8461715be

        SHA256

        602c4326ca0aa0a007b10241d7dae3fdbef7705e14231ba85e8635578cfdb0d4

        SHA512

        f698c83167eda1832e90eeed65d39883b6515c0f6c718e3ce6d517e6d230bab14b15a920f90979a2cf55c601688819deec0de2b47278a032103a22fd2fe2774c

      • C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exe
        MD5

        2cdc3d96a11abe92e9869d888d6c1696

        SHA1

        910cb0036b3e9a2834208a2361ca28912ade8f6c

        SHA256

        34957e2abc46b8e90fa220eedbdaedd08b021f54bfbc1155069b1165858b67dd

        SHA512

        dee221ce6e7d3ecc76af588897780b2c7124058e3bc8edb8c50112bde90ef28a7d3dc9557a0d6ccbc85396c748608497a6601fbbf256bd4cb2ba087cc283654b

      • C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exe
        MD5

        2cdc3d96a11abe92e9869d888d6c1696

        SHA1

        910cb0036b3e9a2834208a2361ca28912ade8f6c

        SHA256

        34957e2abc46b8e90fa220eedbdaedd08b021f54bfbc1155069b1165858b67dd

        SHA512

        dee221ce6e7d3ecc76af588897780b2c7124058e3bc8edb8c50112bde90ef28a7d3dc9557a0d6ccbc85396c748608497a6601fbbf256bd4cb2ba087cc283654b

      • C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exe
        MD5

        2cdc3d96a11abe92e9869d888d6c1696

        SHA1

        910cb0036b3e9a2834208a2361ca28912ade8f6c

        SHA256

        34957e2abc46b8e90fa220eedbdaedd08b021f54bfbc1155069b1165858b67dd

        SHA512

        dee221ce6e7d3ecc76af588897780b2c7124058e3bc8edb8c50112bde90ef28a7d3dc9557a0d6ccbc85396c748608497a6601fbbf256bd4cb2ba087cc283654b

      • C:\Users\Public\vbc.exe
        MD5

        36ca5751b0b2d9321215f223a18aefbf

        SHA1

        c9661ff48f2eaa2718a46b23a70a02a8461715be

        SHA256

        602c4326ca0aa0a007b10241d7dae3fdbef7705e14231ba85e8635578cfdb0d4

        SHA512

        f698c83167eda1832e90eeed65d39883b6515c0f6c718e3ce6d517e6d230bab14b15a920f90979a2cf55c601688819deec0de2b47278a032103a22fd2fe2774c

      • C:\Users\Public\vbc.exe
        MD5

        36ca5751b0b2d9321215f223a18aefbf

        SHA1

        c9661ff48f2eaa2718a46b23a70a02a8461715be

        SHA256

        602c4326ca0aa0a007b10241d7dae3fdbef7705e14231ba85e8635578cfdb0d4

        SHA512

        f698c83167eda1832e90eeed65d39883b6515c0f6c718e3ce6d517e6d230bab14b15a920f90979a2cf55c601688819deec0de2b47278a032103a22fd2fe2774c

      • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
        MD5

        9e2b9928c89a9d0da1d3e8f4bd96afa7

        SHA1

        ec66cda99f44b62470c6930e5afda061579cde35

        SHA256

        8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

        SHA512

        2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

      • \Users\Admin\AppData\Local\Temp\3582-490\vbc.exe
        MD5

        2cdc3d96a11abe92e9869d888d6c1696

        SHA1

        910cb0036b3e9a2834208a2361ca28912ade8f6c

        SHA256

        34957e2abc46b8e90fa220eedbdaedd08b021f54bfbc1155069b1165858b67dd

        SHA512

        dee221ce6e7d3ecc76af588897780b2c7124058e3bc8edb8c50112bde90ef28a7d3dc9557a0d6ccbc85396c748608497a6601fbbf256bd4cb2ba087cc283654b

      • \Users\Admin\AppData\Local\Temp\3582-490\vbc.exe
        MD5

        2cdc3d96a11abe92e9869d888d6c1696

        SHA1

        910cb0036b3e9a2834208a2361ca28912ade8f6c

        SHA256

        34957e2abc46b8e90fa220eedbdaedd08b021f54bfbc1155069b1165858b67dd

        SHA512

        dee221ce6e7d3ecc76af588897780b2c7124058e3bc8edb8c50112bde90ef28a7d3dc9557a0d6ccbc85396c748608497a6601fbbf256bd4cb2ba087cc283654b

      • \Users\Admin\AppData\Local\Temp\nsd20DA.tmp\tdledysx.dll
        MD5

        ab2962aabbe70e27d355dacf203405e6

        SHA1

        729bb1a7412903e2574ccc129409b70cbd55e01a

        SHA256

        dc3786cc8cbf1abd5261926553b407c82c97eefa6d4cafdb3c7147295a65e450

        SHA512

        3e8c94d585a02f108fd2fd0bfef3a252e196280e03a2e17e3b5d978a6d9ae5652cdfc5bc9ddd5df2f986a1d1e3fe959391be75a49e84d51771dea3d0854f3d40

      • \Users\Public\vbc.exe
        MD5

        36ca5751b0b2d9321215f223a18aefbf

        SHA1

        c9661ff48f2eaa2718a46b23a70a02a8461715be

        SHA256

        602c4326ca0aa0a007b10241d7dae3fdbef7705e14231ba85e8635578cfdb0d4

        SHA512

        f698c83167eda1832e90eeed65d39883b6515c0f6c718e3ce6d517e6d230bab14b15a920f90979a2cf55c601688819deec0de2b47278a032103a22fd2fe2774c

      • \Users\Public\vbc.exe
        MD5

        36ca5751b0b2d9321215f223a18aefbf

        SHA1

        c9661ff48f2eaa2718a46b23a70a02a8461715be

        SHA256

        602c4326ca0aa0a007b10241d7dae3fdbef7705e14231ba85e8635578cfdb0d4

        SHA512

        f698c83167eda1832e90eeed65d39883b6515c0f6c718e3ce6d517e6d230bab14b15a920f90979a2cf55c601688819deec0de2b47278a032103a22fd2fe2774c

      • \Users\Public\vbc.exe
        MD5

        36ca5751b0b2d9321215f223a18aefbf

        SHA1

        c9661ff48f2eaa2718a46b23a70a02a8461715be

        SHA256

        602c4326ca0aa0a007b10241d7dae3fdbef7705e14231ba85e8635578cfdb0d4

        SHA512

        f698c83167eda1832e90eeed65d39883b6515c0f6c718e3ce6d517e6d230bab14b15a920f90979a2cf55c601688819deec0de2b47278a032103a22fd2fe2774c

      • \Users\Public\vbc.exe
        MD5

        36ca5751b0b2d9321215f223a18aefbf

        SHA1

        c9661ff48f2eaa2718a46b23a70a02a8461715be

        SHA256

        602c4326ca0aa0a007b10241d7dae3fdbef7705e14231ba85e8635578cfdb0d4

        SHA512

        f698c83167eda1832e90eeed65d39883b6515c0f6c718e3ce6d517e6d230bab14b15a920f90979a2cf55c601688819deec0de2b47278a032103a22fd2fe2774c

      • memory/856-58-0x0000000074F21000-0x0000000074F23000-memory.dmp
        Filesize

        8KB

      • memory/960-78-0x0000000000700000-0x0000000000A03000-memory.dmp
        Filesize

        3.0MB

      • memory/960-79-0x0000000000480000-0x0000000000491000-memory.dmp
        Filesize

        68KB

      • memory/960-74-0x0000000000400000-0x0000000000429000-memory.dmp
        Filesize

        164KB

      • memory/960-75-0x000000000041D4E0-mapping.dmp
      • memory/984-82-0x0000000000000000-mapping.dmp
      • memory/1200-80-0x00000000065E0000-0x0000000006694000-memory.dmp
        Filesize

        720KB

      • memory/1200-88-0x0000000007570000-0x00000000076F1000-memory.dmp
        Filesize

        1.5MB

      • memory/1268-57-0x000000005FFF0000-0x0000000060000000-memory.dmp
        Filesize

        64KB

      • memory/1268-55-0x000000002F3D1000-0x000000002F3D4000-memory.dmp
        Filesize

        12KB

      • memory/1268-90-0x000000005FFF0000-0x0000000060000000-memory.dmp
        Filesize

        64KB

      • memory/1268-56-0x0000000070E01000-0x0000000070E03000-memory.dmp
        Filesize

        8KB

      • memory/1408-68-0x0000000000000000-mapping.dmp
      • memory/1536-63-0x0000000000000000-mapping.dmp
      • memory/1952-81-0x0000000000000000-mapping.dmp
      • memory/1952-86-0x0000000001DC0000-0x0000000001E50000-memory.dmp
        Filesize

        576KB

      • memory/1952-85-0x0000000001FA0000-0x00000000022A3000-memory.dmp
        Filesize

        3.0MB

      • memory/1952-83-0x0000000000560000-0x00000000005A6000-memory.dmp
        Filesize

        280KB

      • memory/1952-84-0x0000000000080000-0x00000000000A9000-memory.dmp
        Filesize

        164KB