Analysis

  • max time kernel
    150s
  • max time network
    194s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • 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
  • suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup

    suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup

  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 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:604
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WLmzCRrQBmjpU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpACF2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:568
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1400

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpACF2.tmp

    MD5

    550ba0ca280bf477806041d2378a3f92

    SHA1

    986b23b30a55c05c15cfe420999b57439078506a

    SHA256

    72a5fd2959b4daf073ff47fe8196358fdbb8be6ba338f657231154dd62ef1540

    SHA512

    ab3b4b109ea6f46ad2e8d7079046f6616157814b3229c107f59e0b36ac120e6310cabf22b2bafc2b61d57e7b1995515063eec736036df2b3b9b67f4ebb52b746

  • memory/568-65-0x0000000000000000-mapping.dmp

  • memory/604-59-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

    Filesize

    4KB

  • memory/604-61-0x0000000000590000-0x0000000000591000-memory.dmp

    Filesize

    4KB

  • memory/604-62-0x0000000000480000-0x000000000048B000-memory.dmp

    Filesize

    44KB

  • memory/604-63-0x0000000005850000-0x0000000005980000-memory.dmp

    Filesize

    1.2MB

  • memory/604-64-0x0000000005980000-0x0000000005A70000-memory.dmp

    Filesize

    960KB

  • memory/1400-67-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/1400-68-0x000000000049D8CA-mapping.dmp

  • memory/1400-69-0x0000000075211000-0x0000000075213000-memory.dmp

    Filesize

    8KB

  • memory/1400-70-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/1400-71-0x0000000002DC0000-0x0000000003DC0000-memory.dmp

    Filesize

    16.0MB