Analysis

  • max time kernel
    117s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2024 01:39

General

  • Target

    56c63797f0564b4b5086b6a4aace7d7ba4ddbed86bb5e3b66aafd37f612b547f.exe

  • Size

    28KB

  • MD5

    f484967b5bccec325e00acfd64c844f3

  • SHA1

    f11f3fba0232421382a0b6a67b0070a3277e09ca

  • SHA256

    56c63797f0564b4b5086b6a4aace7d7ba4ddbed86bb5e3b66aafd37f612b547f

  • SHA512

    bb5683a4249fcff16e4c6518f93cc934d1e3fa3c8128098840cb1d20a1bb868e9dd04902ebe9446e84fe2c0d9a1fc8dbaf7fb338559aa7b10650d8dba89d8693

  • SSDEEP

    384:wG6TSqToGxHS+16eUVhrDe+mA2Dys6Nmyr5PY67KtnMBpzMezl+Zc/:vaSgh87ennDL+A6GtnMfVwu

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.boyeucarbon.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    investment123

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56c63797f0564b4b5086b6a4aace7d7ba4ddbed86bb5e3b66aafd37f612b547f.exe
    "C:\Users\Admin\AppData\Local\Temp\56c63797f0564b4b5086b6a4aace7d7ba4ddbed86bb5e3b66aafd37f612b547f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

    Filesize

    304B

    MD5

    a035df2b3d095dec208b3da0aedd3a34

    SHA1

    42a73df529cb817a0f7b773140698d441f677e36

    SHA256

    5a12f1e74a9e37dc2736729f9cad4e2af56ae546fdd207b2225175b3a2d1988d

    SHA512

    755fb30f849dc243d411fa1f9cdcc9166cff0ae90814eaa4f1f1febbbac77a1396b0fcbf7ce5f1331047f4dc2a1db4cb7133efae25fd216c503ef2f9c40d428f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    76beff9e976e36538b3391bba8d777fe

    SHA1

    d0f5a7bf0d866794dcf644056d545085db9fd999

    SHA256

    37c05e4ed8cfd6320355138b087ed8332c42e8a7205fbd25e642eb1ac78391c7

    SHA512

    a06fa03eba335262f0a38d18a52c5c509d7bb6e5a997bedb7b02d60af5ba1ab5acefd780b4ce3fb0edc6ff3885bbf591c217b24e0065bd323fc99060bf46e450

  • C:\Users\Admin\AppData\Local\Temp\Tar237D.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/880-4-0x0000000000620000-0x0000000000628000-memory.dmp

    Filesize

    32KB

  • memory/880-0-0x0000000000D00000-0x0000000000D0E000-memory.dmp

    Filesize

    56KB

  • memory/880-3-0x0000000004670000-0x00000000046B0000-memory.dmp

    Filesize

    256KB

  • memory/880-2-0x0000000000600000-0x000000000061A000-memory.dmp

    Filesize

    104KB

  • memory/880-1-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/880-104-0x0000000005410000-0x000000000548E000-memory.dmp

    Filesize

    504KB

  • memory/880-107-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/960-105-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/960-108-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/960-110-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/960-111-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/960-112-0x0000000004A60000-0x0000000004AA0000-memory.dmp

    Filesize

    256KB

  • memory/960-114-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB