Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13-02-2024 05:08

General

  • Target

    c6efed7bd3f653226121cc6221e67b29f5ab268e0d8465a29da2c12b818631e0.exe

  • Size

    862KB

  • MD5

    451242c66de4ba164892f8c02444c2a6

  • SHA1

    b9b54d42a516208a2b003615b127d420433f3f57

  • SHA256

    c6efed7bd3f653226121cc6221e67b29f5ab268e0d8465a29da2c12b818631e0

  • SHA512

    0fdfea2fc2b11622cab8fd9459c5a317113cb9ce8bd18a1c8be9eb02db0fa54f18776b3a113d7a6c5971dc87e54490b48a3f783be125d14811d79d1c51f4e069

  • SSDEEP

    12288:A6F8gPUVpBqFnkB5ZGUJUz6m3+hrWjPNq1tp1s8ef/tnlb0PAnSrhgY2fxRiQbox:A6FYBqNkZVW+EW

Malware Config

Signatures

  • Detects executables packed with ConfuserEx Mod 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 2 IoCs

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

  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6efed7bd3f653226121cc6221e67b29f5ab268e0d8465a29da2c12b818631e0.exe
    "C:\Users\Admin\AppData\Local\Temp\c6efed7bd3f653226121cc6221e67b29f5ab268e0d8465a29da2c12b818631e0.exe"
    1⤵
    • Loads dropped DLL
    • Accesses Microsoft Outlook profiles
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:2928
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 2252
      2⤵
      • Program crash
      PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    344B

    MD5

    ab463620c3e671db73689cee49d56c5c

    SHA1

    efc8d80ea515f365afe5475b4b1cfd645ee7c3c9

    SHA256

    b60b1300952102a89433dc5d07d847e2ce45e335285b40d58d1bfa37ab2fddc9

    SHA512

    5f72add01ecf626094331c5e3844936fb7e5ea811aded0834a7ca917022f50f93295d012cefc1fd2abeed1621349df060143264dc1a1c2890e30f2bef351da29

  • C:\Users\Admin\AppData\Local\Temp\Cab2204.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar22C2.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\jobA4VDLHe9nQXwI8\fjSpm7OZdrrMWeb Data

    Filesize

    92KB

    MD5

    1a99d0ce63b1ab78ddbb5a7bf06560a2

    SHA1

    a09f03e92d5145b43ca275fcbba74d022337a5c3

    SHA256

    991340ed225d8fdffb7c54a0787cf1f825951c26e81e43df92e68e397dd66741

    SHA512

    abd39738999951e60c213d0045447f95390fa469f8c875ff6d4e30d8d97d405245d1f6264464a996bae43c3095cf6bd8643d3f07c45e7341f7e840877d501080

  • \Users\Admin\AppData\Local\Temp\jobA4VDLHe9nQXwI8\sqlite3.dll

    Filesize

    791KB

    MD5

    0fe0a178f711b623a8897e4b0bb040d1

    SHA1

    01ea412aeab3d331f825d93d7ee1f5fa6d3c46e6

    SHA256

    0c7cd52abdb6eb3e556d81caac398a127495e4a251ef600e6505a81385a1982d

    SHA512

    6c53c489c4464b9dc9a5dd31c48bb4afa65f7d6df9cc71e705cea2074ebd5e249cad4894eac6f6b308b3574633bc6e1706dfc5fda5f46c27f1e37d21e65fbc54

  • memory/2928-0-0x0000000000A30000-0x0000000000B0E000-memory.dmp

    Filesize

    888KB

  • memory/2928-1-0x0000000074E60000-0x000000007554E000-memory.dmp

    Filesize

    6.9MB

  • memory/2928-2-0x0000000006E20000-0x0000000006E60000-memory.dmp

    Filesize

    256KB

  • memory/2928-110-0x0000000074E60000-0x000000007554E000-memory.dmp

    Filesize

    6.9MB

  • memory/2928-111-0x0000000006E20000-0x0000000006E60000-memory.dmp

    Filesize

    256KB