Analysis

  • max time kernel
    65s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    01-07-2021 12:28

General

  • Target

    JOB-in.line e.K.- Purchase Order 19600396 & 19600397.xlsx.exe

  • Size

    782KB

  • MD5

    851835c0488a22e389e2ce7793f3cb02

  • SHA1

    afb6572bc1e6e2f0a76a677bca60b146f50d3bd7

  • SHA256

    8a1ceb6687babe6ab82a38ca344d1092a7fc9bd6dbaf3420a3311c50131928ef

  • SHA512

    60fc9ffca1f2790288bb9dd60ca4a8a5eaff42a48f5a5c6ccb59efb319be862af0b699e71a7d0522cb24a5b36dcd8b9c783d31c7eadee0ebdae9b6e5df836e8e

Malware Config

Extracted

Family

warzonerat

C2

13.82.24.228:5918

Signatures

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Warzone RAT Payload 3 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 use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JOB-in.line e.K.- Purchase Order 19600396 & 19600397.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\JOB-in.line e.K.- Purchase Order 19600396 & 19600397.xlsx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WINOrJPgVkjJzB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCB1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:748
    • C:\Users\Admin\AppData\Local\Temp\JOB-in.line e.K.- Purchase Order 19600396 & 19600397.xlsx.exe
      "C:\Users\Admin\AppData\Local\Temp\JOB-in.line e.K.- Purchase Order 19600396 & 19600397.xlsx.exe"
      2⤵
        PID:852

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpCCB1.tmp

      MD5

      5e6a8c3ee58bcb3839279b45235fe5ba

      SHA1

      043c44b304abb35aee8156505b8c42db7c762bd8

      SHA256

      4f4861e443ed8cf0eaa3912483157509b13695afaf5d19727352bb4d4255ad0d

      SHA512

      39c7eb8d6146bef1633a0e2e40579fd45c4d6dd439ebaede4a00bf24528111dd01f32b1106d05ae3041318455a252e31f8e14bc8a54b8b5a233e7c4d038e3a0a

    • memory/748-66-0x0000000000000000-mapping.dmp

    • memory/852-68-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/852-69-0x0000000000405CE2-mapping.dmp

    • memory/852-70-0x0000000074D91000-0x0000000074D93000-memory.dmp

      Filesize

      8KB

    • memory/852-71-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/1120-60-0x00000000009D0000-0x00000000009D1000-memory.dmp

      Filesize

      4KB

    • memory/1120-62-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

      Filesize

      4KB

    • memory/1120-63-0x0000000009D70000-0x000000000BD6F000-memory.dmp

      Filesize

      32.0MB

    • memory/1120-64-0x0000000005ED0000-0x0000000005F38000-memory.dmp

      Filesize

      416KB

    • memory/1120-65-0x0000000000620000-0x000000000064C000-memory.dmp

      Filesize

      176KB