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Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12/01/2024, 01:25

General

  • Target

    b739916a350dbe762d16ff43b5e0b10ba8b334f9f6399d6bcec33a11cd5ce885.exe

  • Size

    644KB

  • MD5

    84eda553afa59a4d8c4a13957cfa4e24

  • SHA1

    d73b0edf4d3a133c48695f8f39dc4c1532aba434

  • SHA256

    b739916a350dbe762d16ff43b5e0b10ba8b334f9f6399d6bcec33a11cd5ce885

  • SHA512

    9f890614b874db0e0aab5d1cc06a86c9dcd72b957943e6ad0afb2375affdd795e9de4afc441d5e5e88f3d5c7e375d3a546ae6904649b842990e8c91af76f19a5

  • SSDEEP

    12288:wvbxyFpPkojTJKUI2CYwhiIgREza9QLUD+QJxv9NINj+w49Di:uopFsKhuhgOY9jxv9No+T9u

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cp5ua.hyperhost.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b739916a350dbe762d16ff43b5e0b10ba8b334f9f6399d6bcec33a11cd5ce885.exe
    "C:\Users\Admin\AppData\Local\Temp\b739916a350dbe762d16ff43b5e0b10ba8b334f9f6399d6bcec33a11cd5ce885.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\b739916a350dbe762d16ff43b5e0b10ba8b334f9f6399d6bcec33a11cd5ce885.exe
      "C:\Users\Admin\AppData\Local\Temp\b739916a350dbe762d16ff43b5e0b10ba8b334f9f6399d6bcec33a11cd5ce885.exe"
      2⤵
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabB31B.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarB36C.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1988-0-0x0000000001220000-0x00000000012C6000-memory.dmp

    Filesize

    664KB

  • memory/1988-1-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/1988-2-0x00000000010E0000-0x0000000001120000-memory.dmp

    Filesize

    256KB

  • memory/1988-3-0x0000000000500000-0x0000000000512000-memory.dmp

    Filesize

    72KB

  • memory/1988-4-0x0000000000860000-0x000000000086E000-memory.dmp

    Filesize

    56KB

  • memory/1988-5-0x0000000004E40000-0x0000000004EBE000-memory.dmp

    Filesize

    504KB

  • memory/1988-21-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2668-12-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2668-16-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2668-18-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2668-20-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2668-10-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2668-22-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-23-0x0000000004840000-0x0000000004880000-memory.dmp

    Filesize

    256KB

  • memory/2668-8-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2668-6-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2668-58-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB