Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-09-2024 08:33

General

  • Target

    SecuriteInfo.com.FileRepMalware.28867.3609.exe

  • Size

    571KB

  • MD5

    b593617f5eff12947ab02c5a41531b58

  • SHA1

    c1b4ae82e976390359e0499ff5e2e4fc80a47ec4

  • SHA256

    790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2

  • SHA512

    05eaa7933870f04eb18979975720267f91c286911c8e0727e2d4d3ca259113cfb5027c62b414dc6f75187c6b2cceeac0b74634c2d7a22416cb83277168dfab4d

  • SSDEEP

    12288:UTqrydQ5QqWOvBIHakHMQsnylZV5GurAKyOgRRxyer:UTqeKQqRvB2atQ9ZV5Ge6Ocp

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Loads dropped DLL 6 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.FileRepMalware.28867.3609.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.FileRepMalware.28867.3609.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Program Files (x86)\windows mail\wab.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.FileRepMalware.28867.3609.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsxCD24.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    014a3be4a7c1ccb217916dbf4f222bd1

    SHA1

    9b4c41eb0e84886beb5591d8357155e27f9c68ed

    SHA256

    09acfc5ee34a1dfa1af3a9d34f00c3b1327b56641feebd536e13752349c08ac8

    SHA512

    0f3d1bf548e29a136150b699665a3f22c6ea2821701737363fa2920b51c391d735f1eae92dea8af655e7d07304bd3d06e4aff3f5a82fa22bcf5d1690013eb922

  • C:\Users\Admin\AppData\Local\Temp\nsxCD24.tmp\System.dll

    Filesize

    12KB

    MD5

    564bb0373067e1785cba7e4c24aab4bf

    SHA1

    7c9416a01d821b10b2eef97b80899d24014d6fc1

    SHA256

    7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

    SHA512

    22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

  • memory/2624-26-0x0000000077591000-0x00000000776B1000-memory.dmp

    Filesize

    1.1MB

  • memory/2624-27-0x0000000077591000-0x00000000776B1000-memory.dmp

    Filesize

    1.1MB

  • memory/2624-28-0x00000000741E5000-0x00000000741E6000-memory.dmp

    Filesize

    4KB

  • memory/3140-34-0x00000000012F0000-0x0000000002544000-memory.dmp

    Filesize

    18.3MB

  • memory/3140-39-0x0000000036A00000-0x0000000036A66000-memory.dmp

    Filesize

    408KB

  • memory/3140-35-0x0000000077591000-0x00000000776B1000-memory.dmp

    Filesize

    1.1MB

  • memory/3140-29-0x0000000077618000-0x0000000077619000-memory.dmp

    Filesize

    4KB

  • memory/3140-36-0x000000007429E000-0x000000007429F000-memory.dmp

    Filesize

    4KB

  • memory/3140-37-0x00000000012F0000-0x0000000001330000-memory.dmp

    Filesize

    256KB

  • memory/3140-38-0x0000000039070000-0x0000000039614000-memory.dmp

    Filesize

    5.6MB

  • memory/3140-30-0x0000000077635000-0x0000000077636000-memory.dmp

    Filesize

    4KB

  • memory/3140-40-0x0000000074290000-0x0000000074A40000-memory.dmp

    Filesize

    7.7MB

  • memory/3140-42-0x0000000038DE0000-0x0000000038E30000-memory.dmp

    Filesize

    320KB

  • memory/3140-43-0x0000000038ED0000-0x0000000038F62000-memory.dmp

    Filesize

    584KB

  • memory/3140-44-0x0000000038E30000-0x0000000038E3A000-memory.dmp

    Filesize

    40KB

  • memory/3140-45-0x000000007429E000-0x000000007429F000-memory.dmp

    Filesize

    4KB

  • memory/3140-46-0x0000000074290000-0x0000000074A40000-memory.dmp

    Filesize

    7.7MB