Analysis

  • max time kernel
    53s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    09-08-2021 20:24

General

  • Target

    Banking_cordinates_928273.exe

  • Size

    1.9MB

  • MD5

    fac4b5a9c4f10517f44d4ae172f6473c

  • SHA1

    2304b22499e60fa87ea5f9d3fee5f6d9ecacf9ee

  • SHA256

    d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414

  • SHA512

    6b8dc4430f6068eaac9d27e4f322d1ae921f56b9940e266ba44ed791917c37b14bb9cb1ea3b861da36d9efe44af7acf75264e19d60a5fb1e89deabd1afa1bdbc

Malware Config

Signatures

  • RevcodeRat, WebMonitorRat

    WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

  • WebMonitor Payload 3 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

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

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

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Banking_cordinates_928273.exe
    "C:\Users\Admin\AppData\Local\Temp\Banking_cordinates_928273.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WLmzCRrQBmjpU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD49B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4036
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3280
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3bRQUERR0Jby1Blh.bat" "
        3⤵
          PID:3872

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\3bRQUERR0Jby1Blh.bat
      MD5

      f92cac531dccc3e58bc3e655e6b36c86

      SHA1

      f69b1a3368d405d9451dd6ad0f4b564060f217e5

      SHA256

      f44ef0429c7a47f9553936f4c1798507b5e52194220d4fb2326772b298bf0552

      SHA512

      c8e600c8e15daa87550ef2753ab39a1f9d2f7b0a1f6255f2f1a5a0e8d3b9c6211a282a3e2fe3a10fa6b62e5d4468e101257105c2d708fbae090e29c8d09977b6

    • C:\Users\Admin\AppData\Local\Temp\tmpD49B.tmp
      MD5

      dd0676e1bb5716b62b5e99d7398f13ce

      SHA1

      c5521891085ca29479da5b1c71022f9ae023cb15

      SHA256

      67a09d0a4ee56f5b5e06ba3f2c8fe17965e920d5433df12f6b811b329993d1dd

      SHA512

      3847fc982ca226ccbfae562d9faf90597952bf6b9ba8e346bd23076edc8e86285b1bd4f41d63e87b8b669553481db8de59ab472948a24333b6df574f682a7172

    • memory/3280-129-0x0000000000400000-0x00000000004F3000-memory.dmp
      Filesize

      972KB

    • memory/3280-127-0x0000000000400000-0x00000000004F3000-memory.dmp
      Filesize

      972KB

    • memory/3280-128-0x000000000049D8CA-mapping.dmp
    • memory/3872-130-0x0000000000000000-mapping.dmp
    • memory/3944-119-0x00000000054A0000-0x00000000054A1000-memory.dmp
      Filesize

      4KB

    • memory/3944-122-0x0000000005700000-0x000000000570B000-memory.dmp
      Filesize

      44KB

    • memory/3944-123-0x0000000006570000-0x00000000066A0000-memory.dmp
      Filesize

      1.2MB

    • memory/3944-124-0x00000000067A0000-0x0000000006890000-memory.dmp
      Filesize

      960KB

    • memory/3944-121-0x00000000055A0000-0x0000000005A9E000-memory.dmp
      Filesize

      5.0MB

    • memory/3944-120-0x0000000005790000-0x0000000005791000-memory.dmp
      Filesize

      4KB

    • memory/3944-114-0x0000000000A90000-0x0000000000A91000-memory.dmp
      Filesize

      4KB

    • memory/3944-118-0x00000000055A0000-0x00000000055A1000-memory.dmp
      Filesize

      4KB

    • memory/3944-117-0x0000000005AA0000-0x0000000005AA1000-memory.dmp
      Filesize

      4KB

    • memory/3944-116-0x0000000005500000-0x0000000005501000-memory.dmp
      Filesize

      4KB

    • memory/4036-125-0x0000000000000000-mapping.dmp