Analysis

  • max time kernel
    121s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 02:49

General

  • Target

    2d9a0704386d3f8838cb40d5f22952c2708e98cb9e359e0c3e106b617c26de64.exe

  • Size

    633KB

  • MD5

    4d52ebbb40c58cabc7d4571855935d70

  • SHA1

    1d81f8c7c90f0381f5d096efe6fb2926e598af5b

  • SHA256

    2d9a0704386d3f8838cb40d5f22952c2708e98cb9e359e0c3e106b617c26de64

  • SHA512

    8ba82655cc438ead48b15cd2ad34a7f66b65ab4af59f435965a6f5a42da169088a21fb8da87aad32b3bd4b02e3be6b4c787080bedf93f1e9358e0f7ce760b4d5

  • SSDEEP

    12288:kJ45+po2Toa8W5FQlCJeazX9Cwjajn8OXdyPWJzPG3JHJACu1Y:kU+pJTo1W57J9tCwInv4J

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.enviman.pt
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    art74rty.,

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.

  • Looks up external IP address via web service 3 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 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d9a0704386d3f8838cb40d5f22952c2708e98cb9e359e0c3e106b617c26de64.exe
    "C:\Users\Admin\AppData\Local\Temp\2d9a0704386d3f8838cb40d5f22952c2708e98cb9e359e0c3e106b617c26de64.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Users\Admin\AppData\Local\Temp\2d9a0704386d3f8838cb40d5f22952c2708e98cb9e359e0c3e106b617c26de64.exe
      "C:\Users\Admin\AppData\Local\Temp\2d9a0704386d3f8838cb40d5f22952c2708e98cb9e359e0c3e106b617c26de64.exe"
      2⤵
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2380

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\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    e5a4576e19cd7688b61e8ea70160264e

    SHA1

    67388d2ea3fa0f5e01740e11dff2fd92e2a68e5e

    SHA256

    720c96dbb64c32ec9c60adf97be0c3c28bd72581de7b439ad4bd0f97cd92835b

    SHA512

    99e8fc0df060793651c9d5081f731c2fae223db7acc6e33758d345c111430197f7321cfe45c65e9fcd55776c64ce95048fe5127eabcafd9891b4696f327bb5ac

  • C:\Users\Admin\AppData\Local\Temp\CabCD40.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarCE60.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2244-3-0x0000000000290000-0x00000000002A8000-memory.dmp

    Filesize

    96KB

  • memory/2244-5-0x0000000000310000-0x000000000031A000-memory.dmp

    Filesize

    40KB

  • memory/2244-6-0x00000000005B0000-0x00000000005F0000-memory.dmp

    Filesize

    256KB

  • memory/2244-7-0x0000000005EA0000-0x0000000005F1C000-memory.dmp

    Filesize

    496KB

  • memory/2244-4-0x0000000000300000-0x0000000000308000-memory.dmp

    Filesize

    32KB

  • memory/2244-20-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2244-2-0x00000000005B0000-0x00000000005F0000-memory.dmp

    Filesize

    256KB

  • memory/2244-1-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2244-0-0x0000000001240000-0x00000000012E4000-memory.dmp

    Filesize

    656KB

  • memory/2380-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2380-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2380-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2380-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2380-21-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-22-0x0000000004B00000-0x0000000004B40000-memory.dmp

    Filesize

    256KB

  • memory/2380-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2380-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2380-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2380-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2380-89-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-90-0x0000000004B00000-0x0000000004B40000-memory.dmp

    Filesize

    256KB