Analysis

  • max time kernel
    32s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 13:25

General

  • Target

    ab85982cb1585843c219eb00567f065cca98ee57486b68baeb3ae3dc89ef6de5.exe

  • Size

    2.9MB

  • MD5

    5a2133f9660e863282b1de1da73ee485

  • SHA1

    0644edf1de9d94ccfff0cb209cad8acdf2f79414

  • SHA256

    ab85982cb1585843c219eb00567f065cca98ee57486b68baeb3ae3dc89ef6de5

  • SHA512

    efbac9f41ec317783ddd7c4096d10c09b18c9ddc65009884ad9f9d90a77b3fe15f85e77fe6c77cae45a036656d9aa8f4476d9d1dde9a2bf0a39a4c604823ca43

  • SSDEEP

    49152:ffVNoP6URrq8DHZJh+N+Zcnq3GD4gM6SRlmYb/8jTIR4U:f0Rr9LZJh+Zqq6l7b/8TI2

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 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab85982cb1585843c219eb00567f065cca98ee57486b68baeb3ae3dc89ef6de5.exe
    "C:\Users\Admin\AppData\Local\Temp\ab85982cb1585843c219eb00567f065cca98ee57486b68baeb3ae3dc89ef6de5.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:1388
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\GooSaavee\0mEYAeq9WWsWd3.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1304
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\GooSaavee\0mEYAeq9WWsWd3.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1264

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\GooSaavee\0mEYAeq9WWsWd3.dat

    Filesize

    4KB

    MD5

    0008bb1efe2cc8aa23323493b60d8d44

    SHA1

    846348434edd79641c66f4a7f1f4a78a67bf2542

    SHA256

    34d3938b091dafba32208639463be1328e93669e4e4cb1778f1f3fb9bee27ca4

    SHA512

    bd3b01ffc56eb970c8c3139dfe1600e55c41eb480960869398f632bd573cb9ebbb80266712eb99d61ccd23b78afa7ab6ca990f6a2aa9fde956c05c077a367a04

  • C:\Program Files (x86)\GooSaavee\0mEYAeq9WWsWd3.tlb

    Filesize

    3KB

    MD5

    ea16e050c57b164fa84e8b82443a3439

    SHA1

    2b01b56bdb8a5986cd02cb510cac1a3918d11db9

    SHA256

    295f4a7b9258487bd55889369a50d086e861b5889dc3cf8be0302ad000d12eff

    SHA512

    29227cb3678e31072770d85910bc63584a3b291a6733cbb7d71e9ed86b8b2dff8bb4c74b126477af622a63dde3e7b30ee84ade54eff583711f1166e5c3ae568a

  • C:\Program Files (x86)\GooSaavee\0mEYAeq9WWsWd3.x64.dll

    Filesize

    688KB

    MD5

    77bc36cf62b98793a117eb936dc55624

    SHA1

    9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

    SHA256

    cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

    SHA512

    472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

  • \Program Files (x86)\GooSaavee\0mEYAeq9WWsWd3.dll

    Filesize

    608KB

    MD5

    0355269639d03f0c96b5c995a7fba557

    SHA1

    cf31506688e2c1f6bde3ea2046b39fb3cd45b1d6

    SHA256

    0e85dc783dd8d135e42e416497a6d85064af196fc4bdd208412c7d64ee5b5db6

    SHA512

    1121d570556897ed2585ad21101077cf52c4a9fad69abae2842ef28d12ca8ddbebce9978cff083b891bcc0ea36042ea87939b0d2632530cb4973186157741038

  • \Program Files (x86)\GooSaavee\0mEYAeq9WWsWd3.x64.dll

    Filesize

    688KB

    MD5

    77bc36cf62b98793a117eb936dc55624

    SHA1

    9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

    SHA256

    cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

    SHA512

    472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

  • \Program Files (x86)\GooSaavee\0mEYAeq9WWsWd3.x64.dll

    Filesize

    688KB

    MD5

    77bc36cf62b98793a117eb936dc55624

    SHA1

    9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

    SHA256

    cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

    SHA512

    472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

  • memory/1264-82-0x000007FEFC3C1000-0x000007FEFC3C3000-memory.dmp

    Filesize

    8KB

  • memory/1264-81-0x0000000000000000-mapping.dmp

  • memory/1304-77-0x0000000000000000-mapping.dmp

  • memory/1388-64-0x0000000000A32000-0x0000000000A36000-memory.dmp

    Filesize

    16KB

  • memory/1388-67-0x0000000000A32000-0x0000000000A36000-memory.dmp

    Filesize

    16KB

  • memory/1388-69-0x0000000000A32000-0x0000000000A36000-memory.dmp

    Filesize

    16KB

  • memory/1388-70-0x0000000000A36000-0x0000000000A39000-memory.dmp

    Filesize

    12KB

  • memory/1388-71-0x0000000000A36000-0x0000000000A39000-memory.dmp

    Filesize

    12KB

  • memory/1388-72-0x0000000000A36000-0x0000000000A39000-memory.dmp

    Filesize

    12KB

  • memory/1388-73-0x0000000000A36000-0x0000000000A39000-memory.dmp

    Filesize

    12KB

  • memory/1388-74-0x0000000000A36000-0x0000000000A39000-memory.dmp

    Filesize

    12KB

  • memory/1388-75-0x0000000000A36000-0x0000000000A39000-memory.dmp

    Filesize

    12KB

  • memory/1388-68-0x0000000000A32000-0x0000000000A36000-memory.dmp

    Filesize

    16KB

  • memory/1388-66-0x0000000000A32000-0x0000000000A36000-memory.dmp

    Filesize

    16KB

  • memory/1388-65-0x0000000000A32000-0x0000000000A36000-memory.dmp

    Filesize

    16KB

  • memory/1388-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB

  • memory/1388-63-0x0000000000A32000-0x0000000000A36000-memory.dmp

    Filesize

    16KB

  • memory/1388-62-0x0000000000A32000-0x0000000000A36000-memory.dmp

    Filesize

    16KB

  • memory/1388-61-0x0000000000A32000-0x0000000000A36000-memory.dmp

    Filesize

    16KB

  • memory/1388-60-0x0000000000A32000-0x0000000000A36000-memory.dmp

    Filesize

    16KB

  • memory/1388-55-0x00000000006F0000-0x0000000000797000-memory.dmp

    Filesize

    668KB