Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    11-03-2021 13:03

General

  • Target

    CLEW enquiry 2021.PDF.exe

  • Size

    471KB

  • MD5

    54354bddb2f478a548edda9ff940f0d1

  • SHA1

    539d0510ce7e27cbf18e30952f6ae151cea8eb1e

  • SHA256

    6d72e21f8eed71f706041b12c6efaa66fd12ad213a48415f682a19b0f3e46f17

  • SHA512

    788866f1da8e8fcacefd58be1b144d23cdb69c0132648edf7a79f394d4eb7fe405deeab829be583674943ba2f2c3795da6aeabd6d4dbbf3d6233c04b590ce8dc

Malware Config

Extracted

Family

warzonerat

C2

79.134.225.26:3141

Signatures

  • WarzoneRat, AveMaria

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

  • Loads dropped DLL 11 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 behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CLEW enquiry 2021.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\CLEW enquiry 2021.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HLVbWXuQpLZcU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCC2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1768
    • C:\Users\Admin\AppData\Local\Temp\CLEW enquiry 2021.PDF.exe
      "{path}"
      2⤵
        PID:968
      • C:\Users\Admin\AppData\Local\Temp\CLEW enquiry 2021.PDF.exe
        "{path}"
        2⤵
        • Loads dropped DLL
        PID:3956

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpCC2.tmp
      MD5

      b60a64c6189371f0a260b90ec3a1737a

      SHA1

      ce904e12a54a9b6d7c7c0eb2b9f8b1964b5d11b9

      SHA256

      def8db1d152e15d5d0a791fa004481753d6be59bd6f3c1d711945eb912fdd5a3

      SHA512

      8b4a0a47a8bace935270632f220b24e11a97f0d4238a84f623419ad5144d35ff682b80967c7735751b688b063604f5de9f526111750309f7ad45fd32cdaca92a

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

      ef12ab9d0b231b8f898067b2114b1bc0

      SHA1

      6d90f27b2105945f9bb77039e8b892070a5f9442

      SHA256

      2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

      SHA512

      2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

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

      ef12ab9d0b231b8f898067b2114b1bc0

      SHA1

      6d90f27b2105945f9bb77039e8b892070a5f9442

      SHA256

      2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

      SHA512

      2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

    • \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

      721f6f0b20091f37b8e19717742cc8cb

      SHA1

      65573affe11a01a84d8dfa3bfb79a1e6a8a45fe4

      SHA256

      28878128a2688abff0d777b1f48cb596b2c31a9ff0f7350ee0a84190090c3230

      SHA512

      eec265d47f79ebb2b1bd3a0678457afff84727b1dce4c3d46b1e2ebf456eeb89872cbe2ae413aa752a481abba314388c680202b9c1b3c0c1de5d6c7424702c4c

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

      721f6f0b20091f37b8e19717742cc8cb

      SHA1

      65573affe11a01a84d8dfa3bfb79a1e6a8a45fe4

      SHA256

      28878128a2688abff0d777b1f48cb596b2c31a9ff0f7350ee0a84190090c3230

      SHA512

      eec265d47f79ebb2b1bd3a0678457afff84727b1dce4c3d46b1e2ebf456eeb89872cbe2ae413aa752a481abba314388c680202b9c1b3c0c1de5d6c7424702c4c

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

      721f6f0b20091f37b8e19717742cc8cb

      SHA1

      65573affe11a01a84d8dfa3bfb79a1e6a8a45fe4

      SHA256

      28878128a2688abff0d777b1f48cb596b2c31a9ff0f7350ee0a84190090c3230

      SHA512

      eec265d47f79ebb2b1bd3a0678457afff84727b1dce4c3d46b1e2ebf456eeb89872cbe2ae413aa752a481abba314388c680202b9c1b3c0c1de5d6c7424702c4c

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

      721f6f0b20091f37b8e19717742cc8cb

      SHA1

      65573affe11a01a84d8dfa3bfb79a1e6a8a45fe4

      SHA256

      28878128a2688abff0d777b1f48cb596b2c31a9ff0f7350ee0a84190090c3230

      SHA512

      eec265d47f79ebb2b1bd3a0678457afff84727b1dce4c3d46b1e2ebf456eeb89872cbe2ae413aa752a481abba314388c680202b9c1b3c0c1de5d6c7424702c4c

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

      721f6f0b20091f37b8e19717742cc8cb

      SHA1

      65573affe11a01a84d8dfa3bfb79a1e6a8a45fe4

      SHA256

      28878128a2688abff0d777b1f48cb596b2c31a9ff0f7350ee0a84190090c3230

      SHA512

      eec265d47f79ebb2b1bd3a0678457afff84727b1dce4c3d46b1e2ebf456eeb89872cbe2ae413aa752a481abba314388c680202b9c1b3c0c1de5d6c7424702c4c

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

      721f6f0b20091f37b8e19717742cc8cb

      SHA1

      65573affe11a01a84d8dfa3bfb79a1e6a8a45fe4

      SHA256

      28878128a2688abff0d777b1f48cb596b2c31a9ff0f7350ee0a84190090c3230

      SHA512

      eec265d47f79ebb2b1bd3a0678457afff84727b1dce4c3d46b1e2ebf456eeb89872cbe2ae413aa752a481abba314388c680202b9c1b3c0c1de5d6c7424702c4c

    • memory/1308-10-0x00000000058F0000-0x00000000058F1000-memory.dmp
      Filesize

      4KB

    • memory/1308-7-0x00000000030E0000-0x00000000030E1000-memory.dmp
      Filesize

      4KB

    • memory/1308-3-0x0000000000D80000-0x0000000000D81000-memory.dmp
      Filesize

      4KB

    • memory/1308-5-0x0000000005B70000-0x0000000005B71000-memory.dmp
      Filesize

      4KB

    • memory/1308-6-0x0000000005670000-0x0000000005671000-memory.dmp
      Filesize

      4KB

    • memory/1308-8-0x0000000008CB0000-0x0000000008CB1000-memory.dmp
      Filesize

      4KB

    • memory/1308-9-0x0000000008CA0000-0x0000000008CA2000-memory.dmp
      Filesize

      8KB

    • memory/1308-13-0x00000000073A0000-0x00000000073D2000-memory.dmp
      Filesize

      200KB

    • memory/1308-12-0x0000000007320000-0x0000000007392000-memory.dmp
      Filesize

      456KB

    • memory/1308-11-0x000000007E450000-0x000000007E451000-memory.dmp
      Filesize

      4KB

    • memory/1308-2-0x0000000073C50000-0x000000007433E000-memory.dmp
      Filesize

      6.9MB

    • memory/1768-14-0x0000000000000000-mapping.dmp
    • memory/3956-20-0x0000000004800000-0x0000000004884000-memory.dmp
      Filesize

      528KB

    • memory/3956-16-0x0000000000400000-0x000000000055E000-memory.dmp
      Filesize

      1.4MB

    • memory/3956-19-0x0000000003E90000-0x0000000003F14000-memory.dmp
      Filesize

      528KB

    • memory/3956-18-0x0000000000400000-0x000000000055E000-memory.dmp
      Filesize

      1.4MB

    • memory/3956-17-0x0000000000405E28-mapping.dmp
    • memory/3956-32-0x0000000003FB0000-0x0000000004034000-memory.dmp
      Filesize

      528KB