Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    13-06-2022 11:17

General

  • Target

    factura 1-000103.js

  • Size

    279KB

  • MD5

    ccb741ce0a1cc6dc191080bc2daf6367

  • SHA1

    7c84f832c779ff31848321e876460ee97f2dc7cd

  • SHA256

    f56acd43442adc78877403cc38f8a9b49e356b12c59d1eb994fcd33f44313899

  • SHA512

    25e29cc884b0177264add07c13dc8693ff1e5e328c535f21ed8ba2c71f5594a3d208f5a8f3cf255bb18da4f63ce3191b46e4367d09c3cf55884a803c327b62f2

Malware Config

Extracted

Family

warzonerat

C2

91.207.57.115:5079

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • WarzoneRat, AveMaria

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

  • suricata: ET MALWARE Ave Maria/Warzone RAT Encrypted CnC Checkin

    suricata: ET MALWARE Ave Maria/Warzone RAT Encrypted CnC Checkin

  • suricata: ET MALWARE Ave Maria/Warzone RAT Encrypted CnC Checkin (Inbound)

    suricata: ET MALWARE Ave Maria/Warzone RAT Encrypted CnC Checkin (Inbound)

  • Warzone RAT Payload 2 IoCs
  • Blocklisted process makes network request 16 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\factura 1-000103.js"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\VOjRaFkJSA.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      • Adds Run key to start application
      PID:916
    • C:\Users\Admin\AppData\Local\Temp\Bin.exe
      "C:\Users\Admin\AppData\Local\Temp\Bin.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • outlook_office_path
      • outlook_win_path
      PID:1808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Bin.exe

    Filesize

    113KB

    MD5

    97e9aa4163328831289431799b77771f

    SHA1

    2106d49061ee6294a747eb170f427be178c66110

    SHA256

    ddfbb56d086edd4488b4ff7eaeecec812b0c713d5654084a67a39a037307c721

    SHA512

    53d1befaa744379ded37cd3b02f6bad8dac63990ec98386139c92ec0cb119ada87561aa3e729345dd56fb24a67a19f91dd59aae4444ee93a08df7c2d90cdaaaa

  • C:\Users\Admin\AppData\Local\Temp\Bin.exe

    Filesize

    113KB

    MD5

    97e9aa4163328831289431799b77771f

    SHA1

    2106d49061ee6294a747eb170f427be178c66110

    SHA256

    ddfbb56d086edd4488b4ff7eaeecec812b0c713d5654084a67a39a037307c721

    SHA512

    53d1befaa744379ded37cd3b02f6bad8dac63990ec98386139c92ec0cb119ada87561aa3e729345dd56fb24a67a19f91dd59aae4444ee93a08df7c2d90cdaaaa

  • C:\Users\Admin\AppData\Local\Temp\freebl3.dll

    Filesize

    326KB

    MD5

    ef12ab9d0b231b8f898067b2114b1bc0

    SHA1

    6d90f27b2105945f9bb77039e8b892070a5f9442

    SHA256

    2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

    SHA512

    2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

  • C:\Users\Admin\AppData\Local\Temp\mozglue.dll

    Filesize

    133KB

    MD5

    75f8cc548cabf0cc800c25047e4d3124

    SHA1

    602676768f9faecd35b48c38a0632781dfbde10c

    SHA256

    fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0

    SHA512

    ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f

  • C:\Users\Admin\AppData\Local\Temp\msvcp140.dll

    Filesize

    429KB

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\Users\Admin\AppData\Local\Temp\nss3.dll

    Filesize

    1.2MB

    MD5

    d7858e8449004e21b01d468e9fd04b82

    SHA1

    9524352071ede21c167e7e4f106e9526dc23ef4e

    SHA256

    78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db

    SHA512

    1e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440

  • C:\Users\Admin\AppData\Local\Temp\softokn3.dll

    Filesize

    141KB

    MD5

    471c983513694ac3002590345f2be0da

    SHA1

    6612b9af4ff6830fa9b7d4193078434ef72f775b

    SHA256

    bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f

    SHA512

    a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410

  • C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll

    Filesize

    81KB

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • C:\Users\Admin\AppData\Roaming\VOjRaFkJSA.js

    Filesize

    27KB

    MD5

    75ca0c2ff176da82a10851cd02120ece

    SHA1

    cda54cd675887109e164d512cd2a9278011f3e69

    SHA256

    37dcf1f84e002f1ca2857662276e9f5c21415a77a296493541165a05e5213d74

    SHA512

    a764e19800fc86e0c07fecb877e1681377f6d4bc47ccf08f21546db42b776f365b0ec79d5a6f239c60f0c43e3027c0a1f4d28557dca857ff6a56dd013a3d4e86

  • memory/916-130-0x0000000000000000-mapping.dmp

  • memory/1808-132-0x0000000000000000-mapping.dmp

  • memory/1808-135-0x0000000003A90000-0x0000000003B14000-memory.dmp

    Filesize

    528KB