Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 10:17

General

  • Target

    89d431a36648dacdf024beec66f9553970ad56c02417dbeca4728bed57c3e6a5.exe

  • Size

    4.4MB

  • MD5

    e9c0fe282cc02de374d65e2ac48286d2

  • SHA1

    6f9b1d31133b8c723eeb05dd15559da6cf227fc0

  • SHA256

    89d431a36648dacdf024beec66f9553970ad56c02417dbeca4728bed57c3e6a5

  • SHA512

    1479ba721fc8b8c9445bc075ca0b93ed48aac3ddb8b09a0c995ea7a6f2848da27c026f1bcb4d28786e31db0396ad5b1e87c67b903281bdfef01b38366b4f4f8d

  • SSDEEP

    49152:P92KqaToIhG9URpUxup4gq3cptppWmD/M2BKQl1PXGIjQ7B+lyzEJ3jdx:nBTo56R+cnpp1D/rP2iQcYiTd

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\89d431a36648dacdf024beec66f9553970ad56c02417dbeca4728bed57c3e6a5.exe
    "C:\Users\Admin\AppData\Local\Temp\89d431a36648dacdf024beec66f9553970ad56c02417dbeca4728bed57c3e6a5.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:3812
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\GoSave\0HaILRqgCJMFOA.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4816
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\GoSave\0HaILRqgCJMFOA.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:4776
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:4676
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:4440

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\GoSave\0HaILRqgCJMFOA.dat

        Filesize

        4KB

        MD5

        129a4ed3d8d7c9463b46fac59dc2bd47

        SHA1

        494523028433160c953089904a80aadd6135f010

        SHA256

        8760620624d6d60b1ac85e99922517fa191e5229125d9692529e442b16dc1571

        SHA512

        6e1867493a92940c01ad328f3881107b994550a9fc4145e92618b90ae2a9995a046cf8a85a0d9f044593d014ea6ea8876fdeddd5b5639666fde627892bff8d00

      • C:\Program Files (x86)\GoSave\0HaILRqgCJMFOA.dll

        Filesize

        738KB

        MD5

        49961c7c9a7aef57f49adf50d1c810f6

        SHA1

        fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

        SHA256

        c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

        SHA512

        8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

      • C:\Program Files (x86)\GoSave\0HaILRqgCJMFOA.tlb

        Filesize

        3KB

        MD5

        e3ab22d8beac0180520ab5289a64419b

        SHA1

        1456ba2c78b293e5a80185fefdf05f5dbe424937

        SHA256

        0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

        SHA512

        c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

      • C:\Program Files (x86)\GoSave\0HaILRqgCJMFOA.x64.dll

        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Program Files (x86)\GoSave\0HaILRqgCJMFOA.x64.dll

        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Program Files (x86)\GoSave\0HaILRqgCJMFOA.x64.dll

        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • memory/3812-132-0x0000000003960000-0x0000000003A29000-memory.dmp

        Filesize

        804KB