Analysis

  • max time kernel
    62s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15-04-2021 05:45

General

  • Target

    perchase order.pdf.exe

  • Size

    857KB

  • MD5

    26be3a515c42d2bc57e190143fe239f2

  • SHA1

    2049d1c5d7e389f134ce94dc7e3d64cb86a9ff6c

  • SHA256

    5e2d71b05993c4b8e96fec7d0587625bcd45168d1c2deda8be007d7b18da8927

  • SHA512

    422d051609b1659be0bffa0dbcaefbed967b3ae6f7870ab241264801dd32b5a46b2044ce5a0b95a802bd8ae9e63fe644cbd1aa8d2460b7a780ad6f15e5cdeed5

Malware Config

Extracted

Family

warzonerat

C2

79.134.225.102:1414

Signatures

  • WarzoneRat, AveMaria

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

  • Warzone RAT Payload 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\perchase order.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\perchase order.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WSceckXFjzlW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C55.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1176
    • C:\Users\Admin\AppData\Local\Temp\perchase order.pdf.exe
      "{path}"
      2⤵
        PID:3728
      • C:\Users\Admin\AppData\Local\Temp\perchase order.pdf.exe
        "{path}"
        2⤵
        • Loads dropped DLL
        PID:2092

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp9C55.tmp
      MD5

      28677153ea83bfe46ce02bb140ae1ea6

      SHA1

      8bff3d77b063ba065b9d12adcf18603e9d12a10b

      SHA256

      cba5365f34ef80df6069524e05fd398a491f38e6d1ab3a3090464401a35bfb48

      SHA512

      39f30f3286a0c73f4725549bbbd806ba18920e7f1a194271344e7ccc6222f4561fea93be07906d23d4808ec36c3cf27b0505733755eeb4b87c42e8b00614fc61

    • \Users\Admin\AppData\Local\Temp\freebl3.dll
      MD5

      ef12ab9d0b231b8f898067b2114b1bc0

      SHA1

      6d90f27b2105945f9bb77039e8b892070a5f9442

      SHA256

      2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

      SHA512

      2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

    • \Users\Admin\AppData\Local\Temp\mozglue.dll
      MD5

      75f8cc548cabf0cc800c25047e4d3124

      SHA1

      602676768f9faecd35b48c38a0632781dfbde10c

      SHA256

      fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0

      SHA512

      ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f

    • \Users\Admin\AppData\Local\Temp\msvcp140.dll
      MD5

      109f0f02fd37c84bfc7508d4227d7ed5

      SHA1

      ef7420141bb15ac334d3964082361a460bfdb975

      SHA256

      334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

      SHA512

      46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

    • \Users\Admin\AppData\Local\Temp\nss3.dll
      MD5

      d7858e8449004e21b01d468e9fd04b82

      SHA1

      9524352071ede21c167e7e4f106e9526dc23ef4e

      SHA256

      78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db

      SHA512

      1e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440

    • \Users\Admin\AppData\Local\Temp\softokn3.dll
      MD5

      471c983513694ac3002590345f2be0da

      SHA1

      6612b9af4ff6830fa9b7d4193078434ef72f775b

      SHA256

      bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f

      SHA512

      a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410

    • \Users\Admin\AppData\Local\Temp\vcruntime140.dll
      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • memory/1176-125-0x0000000000000000-mapping.dmp
    • memory/2092-130-0x0000000004170000-0x00000000041F4000-memory.dmp
      Filesize

      528KB

    • memory/2092-127-0x0000000000400000-0x0000000000554000-memory.dmp
      Filesize

      1.3MB

    • memory/2092-129-0x0000000000400000-0x0000000000554000-memory.dmp
      Filesize

      1.3MB

    • memory/2092-128-0x0000000000405CE2-mapping.dmp
    • memory/2256-114-0x0000000000E70000-0x0000000000E71000-memory.dmp
      Filesize

      4KB

    • memory/2256-122-0x000000000E880000-0x000000000E881000-memory.dmp
      Filesize

      4KB

    • memory/2256-123-0x0000000006A20000-0x0000000006AC6000-memory.dmp
      Filesize

      664KB

    • memory/2256-124-0x0000000006C20000-0x0000000006C7A000-memory.dmp
      Filesize

      360KB

    • memory/2256-121-0x000000000E7D0000-0x000000000E7D5000-memory.dmp
      Filesize

      20KB

    • memory/2256-120-0x000000000AFD0000-0x000000000AFD1000-memory.dmp
      Filesize

      4KB

    • memory/2256-119-0x000000000B040000-0x000000000B041000-memory.dmp
      Filesize

      4KB

    • memory/2256-118-0x00000000058D0000-0x00000000058D1000-memory.dmp
      Filesize

      4KB

    • memory/2256-117-0x000000000B360000-0x000000000B361000-memory.dmp
      Filesize

      4KB

    • memory/2256-116-0x0000000005830000-0x00000000058CA000-memory.dmp
      Filesize

      616KB