Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2023 00:56

General

  • Target

    1faddf5e3b51c7dae7f6f195da0a3b0abce5600bb3934f19dd5d111841741c9d.exe

  • Size

    350KB

  • MD5

    30de9fdf74e679696573f243be4b43e9

  • SHA1

    013ab418dc36cef10bdafcacc65485a28b292484

  • SHA256

    1faddf5e3b51c7dae7f6f195da0a3b0abce5600bb3934f19dd5d111841741c9d

  • SHA512

    a137e199ffb4ff001545dd9875571520f41abfb449de7b1435899ca42d133051edc6b7c6bd4309caacc8cfdf98e8c0d3f60241a496cbe74dcb2243a4d24b13a3

  • SSDEEP

    6144:/Ya60B2kYIxjohyIZ9olobwMg0dFr8YrCS0CuneQL50jpjC7XM/FKKnojCqKQBg:/YyB/YwcYWkobwM5uYrP0zeCmjg7XMtR

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.mgcpakistan.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    boygirl123456

Signatures

  • AgentTesla

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1faddf5e3b51c7dae7f6f195da0a3b0abce5600bb3934f19dd5d111841741c9d.exe
    "C:\Users\Admin\AppData\Local\Temp\1faddf5e3b51c7dae7f6f195da0a3b0abce5600bb3934f19dd5d111841741c9d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Users\Admin\AppData\Local\Temp\mitzdyntn.exe
      "C:\Users\Admin\AppData\Local\Temp\mitzdyntn.exe" C:\Users\Admin\AppData\Local\Temp\wadoxpggn.zng
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1488
      • C:\Users\Admin\AppData\Local\Temp\mitzdyntn.exe
        "C:\Users\Admin\AppData\Local\Temp\mitzdyntn.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1448

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\dsnxlnrgcx.zsm
    Filesize

    315KB

    MD5

    394179249883a6361e95ff437b6ed10d

    SHA1

    a60133e7d2139acde7303752a6830edf0069a324

    SHA256

    2f2216852c5a57ef8203dc966ce50a6578edc801bd4c294dce1697403325eb90

    SHA512

    4bc0f56cb4d814c486579983c1d190761702b51a3cd1d4cf871a3c1d1de1be657f7aa791f235e7610d8d340f86789e4f764c79c0a0dce2693fdfb5833d53742d

  • C:\Users\Admin\AppData\Local\Temp\mitzdyntn.exe
    Filesize

    112KB

    MD5

    22714749e5ce66ce2db8b69f0490ecad

    SHA1

    582afb46417ce3772037dbabe2ca6fd2beeb87fc

    SHA256

    09a14b18663c0ea5e3706d91204dd7e1379a45698a956b46ea7c4c0ec62a795b

    SHA512

    5f7e98e5c92382cf820b15d985c4999704d998a3dafa30524675db7a4c5e950854943f11d18d966e7d3a0cb1f20716906b557e7a0fe0dbb5d114fdc67e9d7ae2

  • C:\Users\Admin\AppData\Local\Temp\mitzdyntn.exe
    Filesize

    112KB

    MD5

    22714749e5ce66ce2db8b69f0490ecad

    SHA1

    582afb46417ce3772037dbabe2ca6fd2beeb87fc

    SHA256

    09a14b18663c0ea5e3706d91204dd7e1379a45698a956b46ea7c4c0ec62a795b

    SHA512

    5f7e98e5c92382cf820b15d985c4999704d998a3dafa30524675db7a4c5e950854943f11d18d966e7d3a0cb1f20716906b557e7a0fe0dbb5d114fdc67e9d7ae2

  • C:\Users\Admin\AppData\Local\Temp\mitzdyntn.exe
    Filesize

    112KB

    MD5

    22714749e5ce66ce2db8b69f0490ecad

    SHA1

    582afb46417ce3772037dbabe2ca6fd2beeb87fc

    SHA256

    09a14b18663c0ea5e3706d91204dd7e1379a45698a956b46ea7c4c0ec62a795b

    SHA512

    5f7e98e5c92382cf820b15d985c4999704d998a3dafa30524675db7a4c5e950854943f11d18d966e7d3a0cb1f20716906b557e7a0fe0dbb5d114fdc67e9d7ae2

  • C:\Users\Admin\AppData\Local\Temp\wadoxpggn.zng
    Filesize

    5KB

    MD5

    1b854cc4df1b85317c7f6b12ddcefcab

    SHA1

    c0e68cf12fe1ed7b716a00dea59f7e36f5891fa5

    SHA256

    36706e32792b682edc9a4a8c8f9bec2784b730c9a182ea083f04c78edc31d261

    SHA512

    b7f3f3f39e9af2f717d203a25ae7cd5d66dd3a3e745d51e72ea1b0c0a53946221b0c54fc83e3c89984f99b7fadc22193c92b316eaac5bc8704296f5ad4256024

  • \Users\Admin\AppData\Local\Temp\mitzdyntn.exe
    Filesize

    112KB

    MD5

    22714749e5ce66ce2db8b69f0490ecad

    SHA1

    582afb46417ce3772037dbabe2ca6fd2beeb87fc

    SHA256

    09a14b18663c0ea5e3706d91204dd7e1379a45698a956b46ea7c4c0ec62a795b

    SHA512

    5f7e98e5c92382cf820b15d985c4999704d998a3dafa30524675db7a4c5e950854943f11d18d966e7d3a0cb1f20716906b557e7a0fe0dbb5d114fdc67e9d7ae2

  • \Users\Admin\AppData\Local\Temp\mitzdyntn.exe
    Filesize

    112KB

    MD5

    22714749e5ce66ce2db8b69f0490ecad

    SHA1

    582afb46417ce3772037dbabe2ca6fd2beeb87fc

    SHA256

    09a14b18663c0ea5e3706d91204dd7e1379a45698a956b46ea7c4c0ec62a795b

    SHA512

    5f7e98e5c92382cf820b15d985c4999704d998a3dafa30524675db7a4c5e950854943f11d18d966e7d3a0cb1f20716906b557e7a0fe0dbb5d114fdc67e9d7ae2

  • memory/1448-63-0x0000000000401896-mapping.dmp
  • memory/1448-66-0x00000000044D0000-0x000000000450C000-memory.dmp
    Filesize

    240KB

  • memory/1448-67-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1488-56-0x0000000000000000-mapping.dmp
  • memory/1844-54-0x0000000075B41000-0x0000000075B43000-memory.dmp
    Filesize

    8KB