Analysis

  • max time kernel
    179s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 20:48

General

  • Target

    ae69fc4c5dd34db27a77f42be22293bc8653f31823698d51422a6c3be39bc805.exe

  • Size

    4.5MB

  • MD5

    d119dc4c9c600b1b1a7f852e116d54af

  • SHA1

    a2485b9b0e059b78ef9edf14c2175fc2dc5dcd9a

  • SHA256

    ae69fc4c5dd34db27a77f42be22293bc8653f31823698d51422a6c3be39bc805

  • SHA512

    b8a26b3639a7d7cccbd4bcdf7981f09b8a10ac68467926e7bcb1eb0a9ee1335d97211ac2bfe9259b06ad72205ad1efe0907006f343b28a605c6872229fa8677a

  • SSDEEP

    49152:HeaK64wezdYTy0Haxup4AqdgLptOyCzP5jqhOCrZguQojSlM/Zf0weeDNxa1:WLweqm0KdkpthCzP5NWZgij8MNtLNxa

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Drops Chrome extension 5 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae69fc4c5dd34db27a77f42be22293bc8653f31823698d51422a6c3be39bc805.exe
    "C:\Users\Admin\AppData\Local\Temp\ae69fc4c5dd34db27a77f42be22293bc8653f31823698d51422a6c3be39bc805.exe"
    1⤵
    • Loads dropped DLL
    • Drops Chrome extension
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4164
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\GoSave\qCivHOUTVbFSCQ.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4688
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\GoSave\qCivHOUTVbFSCQ.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:4004
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:2064
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:3856

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\GoSave\qCivHOUTVbFSCQ.dat
        Filesize

        4KB

        MD5

        35509a2ed60b22651d2d60b347163815

        SHA1

        42227e9ccc95f067e1527c89cbaac6ae30c1ff83

        SHA256

        533b8181ef51608a807b920909a378fb6ac088f2aa67d36d7e8744c0101cf37d

        SHA512

        124a89f89f4017be54d78deda3e096769fb71195bb47d5b6c278819cf7e3e90396de7bd09b183c4b747141373300cde568a8bb102b2ae06882feb6bac121dd48

      • C:\Program Files (x86)\GoSave\qCivHOUTVbFSCQ.dll
        Filesize

        738KB

        MD5

        49961c7c9a7aef57f49adf50d1c810f6

        SHA1

        fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

        SHA256

        c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

        SHA512

        8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

      • C:\Program Files (x86)\GoSave\qCivHOUTVbFSCQ.tlb
        Filesize

        3KB

        MD5

        e3ab22d8beac0180520ab5289a64419b

        SHA1

        1456ba2c78b293e5a80185fefdf05f5dbe424937

        SHA256

        0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

        SHA512

        c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

      • C:\Program Files (x86)\GoSave\qCivHOUTVbFSCQ.x64.dll
        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Program Files (x86)\GoSave\qCivHOUTVbFSCQ.x64.dll
        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Program Files (x86)\GoSave\qCivHOUTVbFSCQ.x64.dll
        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • memory/4004-141-0x0000000000000000-mapping.dmp
      • memory/4164-132-0x0000000003020000-0x00000000030E9000-memory.dmp
        Filesize

        804KB

      • memory/4688-138-0x0000000000000000-mapping.dmp