Analysis

  • max time kernel
    42s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 21:28

General

  • Target

    a0841e9cc7581c6d7f54de9a58789337d89678b9ccf86313849f9564f3f2eedf.exe

  • Size

    3.4MB

  • MD5

    e435332febe328d854d04dd8856f4c56

  • SHA1

    1ae3aad9e6dfa7615eacb5ba5a03701315a62945

  • SHA256

    a0841e9cc7581c6d7f54de9a58789337d89678b9ccf86313849f9564f3f2eedf

  • SHA512

    938d183020188de2a37f56ae77436ce00fcabbc5de9b96f90ae875ad37ab0c38e24af3da4ad927d2f3c5cd40192d1c9b9e498cf9a994a294402c4d3af088780f

  • SSDEEP

    49152:iOn5UgJQtYW1G18drAXHqbhwKL9zYE773g8B9r339jmNW5nusY4Gctc2J:iWJuGa4Kbhh9zz3L9jmNCF+

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 3 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0841e9cc7581c6d7f54de9a58789337d89678b9ccf86313849f9564f3f2eedf.exe
    "C:\Users\Admin\AppData\Local\Temp\a0841e9cc7581c6d7f54de9a58789337d89678b9ccf86313849f9564f3f2eedf.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 AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1584
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\SmartOnes\GuHkiaJ1631vpE.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:840
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\SmartOnes\GuHkiaJ1631vpE.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:844

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\SmartOnes\GuHkiaJ1631vpE.dat

    Filesize

    3KB

    MD5

    94ff689fc4715d2d31d251b7f73939ce

    SHA1

    4b7df7f1ffccb9c5d100d91d4f650e4da2f0fc82

    SHA256

    5a27e40a2c22ef3494d8b710984ecb630fa301e139536d7365bdfa432348e0e6

    SHA512

    ba75c85b188b6eda796dc5828ba89f19a57997cc0814f38d24f435acc37db5f6c1ee8d171236959b616e3d7be8315d6d3cc16f0fa3b5034cab25281655cf9b77

  • C:\Program Files (x86)\SmartOnes\GuHkiaJ1631vpE.tlb

    Filesize

    3KB

    MD5

    2fb1c1eb5048d6fd38f4012d609109e6

    SHA1

    63f5b13d95c02777173b0965636be74919203d9c

    SHA256

    e3a8dc57eb1cda0375305b0619b248f96d4e72c6df558c33e77fb722614b3d9a

    SHA512

    48f8acedd840ea26d0bf6a420cc4a04fb5dc4ebf015a9f229f09e25c4c19133d7526b2c92c9a48ce0d7a1c3441c039a6d07d0b8846f5adcf164b14cba73c0b7e

  • C:\Program Files (x86)\SmartOnes\GuHkiaJ1631vpE.x64.dll

    Filesize

    701KB

    MD5

    e6a1f26110707cd5fbd0137aafeb6f0b

    SHA1

    d87d543eb7a21b77b84038dfa8af7c475bacaf95

    SHA256

    d6823b453891672bcecaf16037750aa3974ea53dc3f7f11c7f2206972bf3642b

    SHA512

    775cd961ef763c53191bf7debe67e9d47fdf51cb22e6d651088966b9f2125ae837a355a1af431aacc0967ddf4c2fe0ec62f9b618d5b921ddf3fbf41e1a64127b

  • \Program Files (x86)\SmartOnes\GuHkiaJ1631vpE.dll

    Filesize

    621KB

    MD5

    987d45a8cfdee8e3311d4a212a4babdb

    SHA1

    62281d5463d25e4155b84365713d18a8c5f06941

    SHA256

    09faf6d30c6d3b29c585439e2b384ef78ecae32a98740148f79e6b9fed1cf3e0

    SHA512

    330c19896a7dcc5361b9fb10d86d6d60cbe838f4f2bcca6dfdf5dba17c5e1b0bba19a0c7293776d25060da968ec32a64521432b267570cff0a65bcf61baaefd7

  • \Program Files (x86)\SmartOnes\GuHkiaJ1631vpE.x64.dll

    Filesize

    701KB

    MD5

    e6a1f26110707cd5fbd0137aafeb6f0b

    SHA1

    d87d543eb7a21b77b84038dfa8af7c475bacaf95

    SHA256

    d6823b453891672bcecaf16037750aa3974ea53dc3f7f11c7f2206972bf3642b

    SHA512

    775cd961ef763c53191bf7debe67e9d47fdf51cb22e6d651088966b9f2125ae837a355a1af431aacc0967ddf4c2fe0ec62f9b618d5b921ddf3fbf41e1a64127b

  • \Program Files (x86)\SmartOnes\GuHkiaJ1631vpE.x64.dll

    Filesize

    701KB

    MD5

    e6a1f26110707cd5fbd0137aafeb6f0b

    SHA1

    d87d543eb7a21b77b84038dfa8af7c475bacaf95

    SHA256

    d6823b453891672bcecaf16037750aa3974ea53dc3f7f11c7f2206972bf3642b

    SHA512

    775cd961ef763c53191bf7debe67e9d47fdf51cb22e6d651088966b9f2125ae837a355a1af431aacc0967ddf4c2fe0ec62f9b618d5b921ddf3fbf41e1a64127b

  • memory/840-61-0x0000000000000000-mapping.dmp

  • memory/844-65-0x0000000000000000-mapping.dmp

  • memory/844-66-0x000007FEFB7D1000-0x000007FEFB7D3000-memory.dmp

    Filesize

    8KB

  • memory/1584-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

    Filesize

    8KB

  • memory/1584-55-0x0000000002790000-0x0000000002832000-memory.dmp

    Filesize

    648KB