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Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2024, 02:09

General

  • Target

    400471a357266923af7b64048acd77f3d132dd429c3ef8eae4ab5dfd6652fd39.exe

  • Size

    313KB

  • MD5

    accf109edfa6ea05bb88505668ad8e28

  • SHA1

    d3cb874e0db864d16b90a5a6ecac2651b2fc5c41

  • SHA256

    400471a357266923af7b64048acd77f3d132dd429c3ef8eae4ab5dfd6652fd39

  • SHA512

    7a63951e9baba219769e1186c126dfe2fee5d8fc9e46000add310fb1e432118017b43cebff926e095da3a67b134307260024f02d9d055856268db407568287e7

  • SSDEEP

    6144:kfdmxcbEKy9TVUfUnBfrmjlyRVLkJqJVpHO5CZ7Rm:kfdShVBfrmjsN/pf7Rm

Malware Config

Extracted

Family

phemedrone

C2

https://rakishevkenes.com/wp-admin/admin-ajax.php

Signatures

  • Phemedrone

    An information and wallet stealer written in C#.

  • Detect binaries embedding considerable number of MFA browser extension IDs. 2 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\400471a357266923af7b64048acd77f3d132dd429c3ef8eae4ab5dfd6652fd39.exe
    "C:\Users\Admin\AppData\Local\Temp\400471a357266923af7b64048acd77f3d132dd429c3ef8eae4ab5dfd6652fd39.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2380 -s 2168
      2⤵
        PID:1812
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:2524

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

        Filesize

        67KB

        MD5

        753df6889fd7410a2e9fe333da83a429

        SHA1

        3c425f16e8267186061dd48ac1c77c122962456e

        SHA256

        b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

        SHA512

        9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

      • C:\Users\Admin\AppData\Local\Temp\CabA21B.tmp

        Filesize

        65KB

        MD5

        ac05d27423a85adc1622c714f2cb6184

        SHA1

        b0fe2b1abddb97837ea0195be70ab2ff14d43198

        SHA256

        c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

        SHA512

        6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

      • C:\Users\Admin\AppData\Local\Temp\TarA3C7.tmp

        Filesize

        175KB

        MD5

        dd73cead4b93366cf3465c8cd32e2796

        SHA1

        74546226dfe9ceb8184651e920d1dbfb432b314e

        SHA256

        a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

        SHA512

        ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

      • memory/2380-0-0x0000000000AB0000-0x0000000000B04000-memory.dmp

        Filesize

        336KB

      • memory/2380-1-0x000007FEF5A70000-0x000007FEF645C000-memory.dmp

        Filesize

        9.9MB

      • memory/2380-2-0x000000001B2B0000-0x000000001B330000-memory.dmp

        Filesize

        512KB

      • memory/2380-80-0x000007FEF5A70000-0x000007FEF645C000-memory.dmp

        Filesize

        9.9MB

      • memory/2380-81-0x000000001B2B0000-0x000000001B330000-memory.dmp

        Filesize

        512KB