Analysis

  • max time kernel
    29s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2023, 08:00

General

  • Target

    tmp.exe

  • Size

    2.2MB

  • MD5

    ef691f617d75f45d10af9405de47e253

  • SHA1

    9be134d2c7549adf7c6678bb4c43b9f65c83214f

  • SHA256

    eaead00ba98021393e7920a2f2f20e70724f716eed0933d50577786ae0289182

  • SHA512

    cfe942f09cc75f44aea2eaef80e4dc6a0ebbba020b0c1cefb7efe8e158a6399fb1f5e41d696b932fac542e39ea7b5872fb1adb7c0753670a57fc0f888ee16c61

  • SSDEEP

    24576:qmErCsazef+APWb6+CILRbTcJiWevOIWr9Lrdl5p0WdaMCtGjC+UbuzoVGBI:qPF+CWb6+CILRncZe65rb5p0ehVCrvT

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\XHVNC.exe
      "C:\Users\Admin\AppData\Local\Temp\XHVNC.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 1004
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1660
    • C:\Users\Admin\AppData\Local\Temp\discord.exe
      "C:\Users\Admin\AppData\Local\Temp\discord.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1952

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.9MB

          MD5

          4904329d091687c9deb08d9bd7282e77

          SHA1

          bcf7fcebb52cad605cb4de65bdd077e600475cc7

          SHA256

          e92707537fe99713752f3d3f479fa68a0c8dd80439c13a2bb4ebb36a952b63fd

          SHA512

          b7ba131e9959f2f76aa3008711db9e6f2c4753a232140368be5c8388ab0e25154a31e579ef87fe01a3e4bc83402170bb9fbf242c6f01528455246b793e03fdfb

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

          Filesize

          1.9MB

          MD5

          4904329d091687c9deb08d9bd7282e77

          SHA1

          bcf7fcebb52cad605cb4de65bdd077e600475cc7

          SHA256

          e92707537fe99713752f3d3f479fa68a0c8dd80439c13a2bb4ebb36a952b63fd

          SHA512

          b7ba131e9959f2f76aa3008711db9e6f2c4753a232140368be5c8388ab0e25154a31e579ef87fe01a3e4bc83402170bb9fbf242c6f01528455246b793e03fdfb

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

          Filesize

          159KB

          MD5

          46a2cc3ad2ade7a6b5551b53636e0abb

          SHA1

          b8eb52479e933c3530ca826fbe59567af3c4f6ec

          SHA256

          f8af311b3903b6ccd62cb62fed4903eb4351b4b886df23f815cbb61a8feb68d5

          SHA512

          7649c0eab09b770fd2e3a068fc84fb8d40b56207b1809bc6ba0b93955177535b7c3453c24430dc32327603db3541a4c8eac568bf59b18f28eb8fe3071e70217f

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

          Filesize

          159KB

          MD5

          46a2cc3ad2ade7a6b5551b53636e0abb

          SHA1

          b8eb52479e933c3530ca826fbe59567af3c4f6ec

          SHA256

          f8af311b3903b6ccd62cb62fed4903eb4351b4b886df23f815cbb61a8feb68d5

          SHA512

          7649c0eab09b770fd2e3a068fc84fb8d40b56207b1809bc6ba0b93955177535b7c3453c24430dc32327603db3541a4c8eac568bf59b18f28eb8fe3071e70217f

        • \Users\Admin\AppData\Local\Temp\XHVNC.exe

          Filesize

          1.9MB

          MD5

          4904329d091687c9deb08d9bd7282e77

          SHA1

          bcf7fcebb52cad605cb4de65bdd077e600475cc7

          SHA256

          e92707537fe99713752f3d3f479fa68a0c8dd80439c13a2bb4ebb36a952b63fd

          SHA512

          b7ba131e9959f2f76aa3008711db9e6f2c4753a232140368be5c8388ab0e25154a31e579ef87fe01a3e4bc83402170bb9fbf242c6f01528455246b793e03fdfb

        • \Users\Admin\AppData\Local\Temp\XHVNC.exe

          Filesize

          1.9MB

          MD5

          4904329d091687c9deb08d9bd7282e77

          SHA1

          bcf7fcebb52cad605cb4de65bdd077e600475cc7

          SHA256

          e92707537fe99713752f3d3f479fa68a0c8dd80439c13a2bb4ebb36a952b63fd

          SHA512

          b7ba131e9959f2f76aa3008711db9e6f2c4753a232140368be5c8388ab0e25154a31e579ef87fe01a3e4bc83402170bb9fbf242c6f01528455246b793e03fdfb

        • \Users\Admin\AppData\Local\Temp\XHVNC.exe

          Filesize

          1.9MB

          MD5

          4904329d091687c9deb08d9bd7282e77

          SHA1

          bcf7fcebb52cad605cb4de65bdd077e600475cc7

          SHA256

          e92707537fe99713752f3d3f479fa68a0c8dd80439c13a2bb4ebb36a952b63fd

          SHA512

          b7ba131e9959f2f76aa3008711db9e6f2c4753a232140368be5c8388ab0e25154a31e579ef87fe01a3e4bc83402170bb9fbf242c6f01528455246b793e03fdfb

        • \Users\Admin\AppData\Local\Temp\XHVNC.exe

          Filesize

          1.9MB

          MD5

          4904329d091687c9deb08d9bd7282e77

          SHA1

          bcf7fcebb52cad605cb4de65bdd077e600475cc7

          SHA256

          e92707537fe99713752f3d3f479fa68a0c8dd80439c13a2bb4ebb36a952b63fd

          SHA512

          b7ba131e9959f2f76aa3008711db9e6f2c4753a232140368be5c8388ab0e25154a31e579ef87fe01a3e4bc83402170bb9fbf242c6f01528455246b793e03fdfb

        • \Users\Admin\AppData\Local\Temp\XHVNC.exe

          Filesize

          1.9MB

          MD5

          4904329d091687c9deb08d9bd7282e77

          SHA1

          bcf7fcebb52cad605cb4de65bdd077e600475cc7

          SHA256

          e92707537fe99713752f3d3f479fa68a0c8dd80439c13a2bb4ebb36a952b63fd

          SHA512

          b7ba131e9959f2f76aa3008711db9e6f2c4753a232140368be5c8388ab0e25154a31e579ef87fe01a3e4bc83402170bb9fbf242c6f01528455246b793e03fdfb

        • \Users\Admin\AppData\Local\Temp\XHVNC.exe

          Filesize

          1.9MB

          MD5

          4904329d091687c9deb08d9bd7282e77

          SHA1

          bcf7fcebb52cad605cb4de65bdd077e600475cc7

          SHA256

          e92707537fe99713752f3d3f479fa68a0c8dd80439c13a2bb4ebb36a952b63fd

          SHA512

          b7ba131e9959f2f76aa3008711db9e6f2c4753a232140368be5c8388ab0e25154a31e579ef87fe01a3e4bc83402170bb9fbf242c6f01528455246b793e03fdfb

        • \Users\Admin\AppData\Local\Temp\discord.exe

          Filesize

          159KB

          MD5

          46a2cc3ad2ade7a6b5551b53636e0abb

          SHA1

          b8eb52479e933c3530ca826fbe59567af3c4f6ec

          SHA256

          f8af311b3903b6ccd62cb62fed4903eb4351b4b886df23f815cbb61a8feb68d5

          SHA512

          7649c0eab09b770fd2e3a068fc84fb8d40b56207b1809bc6ba0b93955177535b7c3453c24430dc32327603db3541a4c8eac568bf59b18f28eb8fe3071e70217f

        • memory/1952-71-0x00000000047E0000-0x0000000004820000-memory.dmp

          Filesize

          256KB

        • memory/1952-69-0x0000000000B90000-0x0000000000BBE000-memory.dmp

          Filesize

          184KB

        • memory/2004-70-0x00000000000E0000-0x00000000002CA000-memory.dmp

          Filesize

          1.9MB

        • memory/2032-67-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB