Analysis

  • max time kernel
    122s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    19-10-2021 09:55

General

  • Target

    transfer slip.exe

  • Size

    356KB

  • MD5

    95aabefa57e339745033c755da1e3a51

  • SHA1

    09e4c4b75467a4af21be516c1fddd77142f3a480

  • SHA256

    385aca8d45376ca052fc5da153a56ca36d4c3c676114179d79e4e681d2851ef6

  • SHA512

    04ec88477feedeb54417fa65d331700b97b709753accf0e0aa63826cd48976e8fb570a1f00cf0938f69ddd72b8a738e6f5a2821519a3448e82260adce74114be

Malware Config

Extracted

Family

warzonerat

C2

136.144.41.66:5200

Signatures

  • WarzoneRat, AveMaria

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

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\transfer slip.exe
    "C:\Users\Admin\AppData\Local\Temp\transfer slip.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Users\Admin\AppData\Local\Temp\transfer slip.exe
      "C:\Users\Admin\AppData\Local\Temp\transfer slip.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 200
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:360

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nst194C.tmp\kluqzjx.dll
    MD5

    9fe2a4c17e4d387b21d3cc9e3c24cf31

    SHA1

    e3cfbe3bb202f4aac29c37ab199a590a7351e143

    SHA256

    9bd1e122ecfcebe0b2a7e4f6297c664afd34ab5ad68547b01a51b55ec016d9c8

    SHA512

    9c0e70095d697bdb4cf882d2e609ede9481e303579b33697e99c833b13db3bfa9ffd78e03be83f9720a1b6c300868c6c154a7696a4b2590ac38d10919387f860

  • memory/360-67-0x0000000000000000-mapping.dmp
  • memory/360-68-0x00000000007D0000-0x0000000000830000-memory.dmp
    Filesize

    384KB

  • memory/1444-54-0x0000000076231000-0x0000000076233000-memory.dmp
    Filesize

    8KB

  • memory/2012-56-0x0000000000000000-mapping.dmp
  • memory/2012-57-0x00000000001C0000-0x000000000031E000-memory.dmp
    Filesize

    1.4MB

  • memory/2012-61-0x00000000001C0000-0x000000000031E000-memory.dmp
    Filesize

    1.4MB

  • memory/2012-66-0x00000000001C0000-0x000000000031E000-memory.dmp
    Filesize

    1.4MB