Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    18/10/2022, 11:09

General

  • Target

    Foriegn Payment_swift.js

  • Size

    355KB

  • MD5

    2e7136980055602233a13801274f2a84

  • SHA1

    b913cf35176a707b3f6609a25c1ae3194bcae02c

  • SHA256

    819a81aabd1c014d5f27ba2ba1265dce1f667093279565d43f76a5e82d3ed7a9

  • SHA512

    d01edb5d308ef39678d42ad07e90f9c2456c8da7105b71c9da3101991b3f8bbd61d04554a2de3a88389d985cc8166a942a1fc43a4231d45a06513e50b15f09c6

  • SSDEEP

    6144:xH3/F20qAbAFBJPF9NSil2+lO08e3wRiiH9NbyB7iGF2r0OPuub:l3woAjJPF9Jl/A08e3piHvY7iGwj2ub

Malware Config

Extracted

Family

formbook

Campaign

xrob

Decoy

dV8FCtdWdnfMJ9thh8l/

IJG6Bh4iMeHVBHNp2MrpTA==

NhPKKtmQxnHYF/80

f4M2RhGEf3Ot13+qLrKqxb9f3dXj9Q==

A/689/MibSRBgkPkx07m+H+g

e8OOkUu9y/uYCMsdrR3s0mODmGw3d8t9Og==

gLN5bn+Zq1VQXmOOvw==

NFcQGvViY5sxmkty83Fde4GQhg==

XWMfFSM3f7GT9w==

Ih6vvqf9R8gDObM=

FGAlLASHlpLaUUKUJIwm9ABQ2Js=

v8R615LDC8iWchwv

m+u3rLUxScgDObM=

jc3eahERf7GT9w==

TYNBVDadkpTF76HeNl/rbwWtLSbyPzM=

j6NQmhWeOi2B

aqJocUfM3v97ryScY6EiSMbVyBak

V7nYOyEZKa2J/KKh5RMhJrbyK/eC/Q==

8zPsAt3ejcgDObM=

Rpe+BrGBzpGa9q8FHKpi

Signatures

  • Formbook

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

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • Blocklisted process makes network request 7 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 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 16 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:1208
    • C:\Windows\system32\wscript.exe
      wscript.exe "C:\Users\Admin\AppData\Local\Temp\Foriegn Payment_swift.js"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1264
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\fdnTARLxlP.js"
        3⤵
        • Blocklisted process makes network request
        • Drops startup file
        PID:1992
      • C:\Users\Admin\AppData\Local\Temp\bin.exe
        "C:\Users\Admin\AppData\Local\Temp\bin.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1320
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.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:1692
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:1200

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      185KB

      MD5

      26db0806c0871f293a77e5d5676e2fd8

      SHA1

      7c17ccce454d81bb999c04d45e9e4913969a73ee

      SHA256

      2c623f8e02e0aef43501e320fd20a3b407dcf35676e6620574bf7e8ce4844e66

      SHA512

      0dac19dab4827a036a4e42371807639a4c378b440c3edc9ae30171cfb62a894243dc55ad5145434fac384aa37dd32381d148757e35c08300bbfe45c4cb85c09f

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

      Filesize

      185KB

      MD5

      26db0806c0871f293a77e5d5676e2fd8

      SHA1

      7c17ccce454d81bb999c04d45e9e4913969a73ee

      SHA256

      2c623f8e02e0aef43501e320fd20a3b407dcf35676e6620574bf7e8ce4844e66

      SHA512

      0dac19dab4827a036a4e42371807639a4c378b440c3edc9ae30171cfb62a894243dc55ad5145434fac384aa37dd32381d148757e35c08300bbfe45c4cb85c09f

    • C:\Users\Admin\AppData\Roaming\fdnTARLxlP.js

      Filesize

      7KB

      MD5

      6cc1717cad794e25164a2ba358fa22d3

      SHA1

      c8fd430bcb92ff060a85ca4fd7a2b829b069a234

      SHA256

      8d17a84d7c1174928e0365e78288e2356c0d99f2194ebb2f4634333d80fc24c9

      SHA512

      2db6675ca2c685b4d7823714bc6b9474184a20b9733d160bf83c88bad419427151c80607fd1c05cc6152fa6d4c30d6204442d6b446421012db34aa0eb7ff7364

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

      Filesize

      927KB

      MD5

      7fd80b1cc72dc580c02ca4cfbfb2592d

      SHA1

      18da905af878b27151b359cf1a7d0a650764e8a1

      SHA256

      1e6dccbdf8527abb53c289da920463b7895300d0d984cc7e91a3ecda4e673190

      SHA512

      13f7f29b5ed31c551aa5f27742557aa4d026a226087d6fcbca094819759ecc753a2c33b7422ae88dc6a4a0a966edb8485a18e59a0283ba2686cae5d78e0190a3

    • memory/1208-63-0x0000000004A00000-0x0000000004B23000-memory.dmp

      Filesize

      1.1MB

    • memory/1208-74-0x00000000064E0000-0x0000000006669000-memory.dmp

      Filesize

      1.5MB

    • memory/1208-70-0x00000000064E0000-0x0000000006669000-memory.dmp

      Filesize

      1.5MB

    • memory/1264-54-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp

      Filesize

      8KB

    • memory/1320-60-0x0000000000BC0000-0x0000000000BEF000-memory.dmp

      Filesize

      188KB

    • memory/1320-62-0x0000000000110000-0x0000000000120000-memory.dmp

      Filesize

      64KB

    • memory/1320-61-0x00000000007C0000-0x0000000000AC3000-memory.dmp

      Filesize

      3.0MB

    • memory/1692-65-0x0000000000CA0000-0x0000000000CC6000-memory.dmp

      Filesize

      152KB

    • memory/1692-66-0x0000000000070000-0x000000000009D000-memory.dmp

      Filesize

      180KB

    • memory/1692-68-0x00000000020D0000-0x00000000023D3000-memory.dmp

      Filesize

      3.0MB

    • memory/1692-69-0x0000000000560000-0x00000000005EF000-memory.dmp

      Filesize

      572KB

    • memory/1692-71-0x0000000000070000-0x000000000009D000-memory.dmp

      Filesize

      180KB

    • memory/1692-72-0x0000000075601000-0x0000000075603000-memory.dmp

      Filesize

      8KB