Analysis

  • max time kernel
    91s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    01-07-2021 12:43

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:1864
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WINOrJPgVkjJzB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEDF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:412
    • 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:748

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      MD5

      f671765077e9c9aa8d07e10c47df7f5d

      SHA1

      403722c8dbbd86304992d1ce013886b27fa5e6b2

      SHA256

      697d15c913e2a51ffb42c13e285b3374ecef5c46604ed74e99df792a5ebd80e3

      SHA512

      2277df1a907929c598b42473964df651876ef58f2fa9b6472ed889aa5200521dc01c1d6141cb5f6b86b1cbf22c55804c5b041e9a36db56c44f9606781d7f95e0

    • memory/412-65-0x0000000000000000-mapping.dmp

    • memory/748-68-0x0000000000405CE2-mapping.dmp

    • memory/748-69-0x0000000076A81000-0x0000000076A83000-memory.dmp

      Filesize

      8KB

    • memory/748-67-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/748-70-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/1864-59-0x0000000000120000-0x0000000000121000-memory.dmp

      Filesize

      4KB

    • memory/1864-61-0x0000000004C50000-0x0000000004C51000-memory.dmp

      Filesize

      4KB

    • memory/1864-62-0x0000000009D30000-0x000000000BD2F000-memory.dmp

      Filesize

      32.0MB

    • memory/1864-63-0x0000000005B30000-0x0000000005B98000-memory.dmp

      Filesize

      416KB

    • memory/1864-64-0x00000000006C0000-0x00000000006EC000-memory.dmp

      Filesize

      176KB