Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/05/2024, 08:48

General

  • Target

    SirWare.exe

  • Size

    4.6MB

  • MD5

    35091354095cf19568ed3174619d1c3e

  • SHA1

    07a1b4569906e04fd6a9832bd4cf999a673f5ce0

  • SHA256

    d4e0148bc263ae1265b5c5ba1a1d56661d7afda8c307c52e6f10e47f67921693

  • SHA512

    fa4365f22291d51ff0fc1c6cd3d29d4fe5d77ff89120c54abece5a6cc42b34e1af124a2a4eca51e97c3ad47d03de3ceb3ccc110818d3b1af911f6b8533921e4f

  • SSDEEP

    98304:brL3/7aNJIxFWP3/7a3/7dkYjLbOlZEfmEvjPVRF/z0A3/7:b3/7aNJCWP3/7a3/7FLb3fhF/zz3/7

Malware Config

Signatures

  • Detects Eternity stealer 1 IoCs
  • Eternity

    Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SirWare.exe
    "C:\Users\Admin\AppData\Local\Temp\SirWare.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Users\Admin\AppData\Local\Temp\ze0j1ima.kpn\SirWare.exe
      "C:\Users\Admin\AppData\Local\Temp\ze0j1ima.kpn\SirWare.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2540
    • C:\Users\Admin\AppData\Local\Temp\dcd.exe
      "C:\Users\Admin\AppData\Local\Temp\dcd.exe" -path=""
      2⤵
      • Executes dropped EXE
      PID:2656
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2060 -s 1880
      2⤵
        PID:2480

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      227KB

      MD5

      b5ac46e446cead89892628f30a253a06

      SHA1

      f4ad1044a7f77a1b02155c3a355a1bb4177076ca

      SHA256

      def7afcb65126c4b04a7cbf08c693f357a707aa99858cac09a8d5e65f3177669

      SHA512

      bcabbac6f75c1d41364406db457c62f5135a78f763f6db08c1626f485c64db4d9ba3b3c8bc0b5508d917e445fd220ffa66ebc35221bd06560446c109818e8e87

    • \Users\Admin\AppData\Local\Temp\ze0j1ima.kpn\SirWare.exe

      Filesize

      1.6MB

      MD5

      5351af53824ae52d130328dd0f7b8617

      SHA1

      4bcbd7273737a2a5966f03085385d2057d17e911

      SHA256

      512ed4e003e35087f08c1a7a40b34ea56860cd8fa16ef0e48c5eaa3ebc4fa043

      SHA512

      e47f4b4bb569b79b8552fdc0de9648f8fb4ada78651d14dae3d296937627fe40400fc9a41834799dd6b2070d473380f6ebe6a5c670893df85e870af82d2c1d93

    • memory/2060-31-0x000007FEF5CD3000-0x000007FEF5CD4000-memory.dmp

      Filesize

      4KB

    • memory/2060-0-0x000007FEF5CD3000-0x000007FEF5CD4000-memory.dmp

      Filesize

      4KB

    • memory/2060-4-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2060-5-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2060-6-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2060-2-0x000000001B910000-0x000000001BAF2000-memory.dmp

      Filesize

      1.9MB

    • memory/2060-35-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2060-32-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2060-27-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2060-1-0x0000000000D90000-0x00000000011F4000-memory.dmp

      Filesize

      4.4MB

    • memory/2060-36-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2060-3-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2540-13-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2540-38-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2540-29-0x000000001D3B0000-0x000000001D460000-memory.dmp

      Filesize

      704KB

    • memory/2540-15-0x0000000000970000-0x0000000000982000-memory.dmp

      Filesize

      72KB

    • memory/2540-16-0x0000000000980000-0x000000000099A000-memory.dmp

      Filesize

      104KB

    • memory/2540-18-0x00000000009D0000-0x00000000009FC000-memory.dmp

      Filesize

      176KB

    • memory/2540-14-0x0000000000080000-0x0000000000228000-memory.dmp

      Filesize

      1.7MB

    • memory/2540-19-0x0000000000C80000-0x0000000000D2A000-memory.dmp

      Filesize

      680KB

    • memory/2540-17-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2540-21-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2540-20-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2540-37-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2540-28-0x000000001B8D0000-0x000000001B8EA000-memory.dmp

      Filesize

      104KB

    • memory/2540-39-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

      Filesize

      9.9MB