Analysis

  • max time kernel
    66s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-04-2024 01:38

General

  • Target

    96c18fdcc302306d493535b0c90413892759a61925bcb3cf2f0d1a1cbbac554e.exe

  • Size

    721KB

  • MD5

    f9a9054852e6529e9e3d8b392241601c

  • SHA1

    e96482de839c1fe063982ef64d6d930312054ea6

  • SHA256

    96c18fdcc302306d493535b0c90413892759a61925bcb3cf2f0d1a1cbbac554e

  • SHA512

    91349fbd232b4663e72f5b54398f5e751a4ba86cb436efd44a605976386d4944270ee50971349509108157f8e55742c4cb4709ef9e086db2146bfd0afefeaabf

  • SSDEEP

    12288:nTB778QduSfT7LaUuOuIgVuboparMfRVzZ9uc+VnP6GStXRl4UNmXP1dDhu1vMCg:TBLuA8OzgVub4arqVzZ9o3OXRlBNYP1X

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96c18fdcc302306d493535b0c90413892759a61925bcb3cf2f0d1a1cbbac554e.exe
    "C:\Users\Admin\AppData\Local\Temp\96c18fdcc302306d493535b0c90413892759a61925bcb3cf2f0d1a1cbbac554e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Users\Admin\AppData\Local\Temp\96c18fdcc302306d493535b0c90413892759a61925bcb3cf2f0d1a1cbbac554e.exe
      "C:\Users\Admin\AppData\Local\Temp\96c18fdcc302306d493535b0c90413892759a61925bcb3cf2f0d1a1cbbac554e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3684

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\96c18fdcc302306d493535b0c90413892759a61925bcb3cf2f0d1a1cbbac554e.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/816-10-0x0000000006A60000-0x0000000006AFC000-memory.dmp
    Filesize

    624KB

  • memory/816-15-0x0000000074D20000-0x00000000754D0000-memory.dmp
    Filesize

    7.7MB

  • memory/816-9-0x0000000008DF0000-0x0000000008E74000-memory.dmp
    Filesize

    528KB

  • memory/816-4-0x0000000007DE0000-0x0000000007DF0000-memory.dmp
    Filesize

    64KB

  • memory/816-5-0x00000000015F0000-0x00000000015FA000-memory.dmp
    Filesize

    40KB

  • memory/816-6-0x0000000005850000-0x0000000005868000-memory.dmp
    Filesize

    96KB

  • memory/816-7-0x0000000007DA0000-0x0000000007DAE000-memory.dmp
    Filesize

    56KB

  • memory/816-8-0x0000000007DB0000-0x0000000007DC6000-memory.dmp
    Filesize

    88KB

  • memory/816-3-0x0000000007C10000-0x0000000007CA2000-memory.dmp
    Filesize

    584KB

  • memory/816-2-0x00000000081C0000-0x0000000008764000-memory.dmp
    Filesize

    5.6MB

  • memory/816-1-0x0000000074D20000-0x00000000754D0000-memory.dmp
    Filesize

    7.7MB

  • memory/816-0-0x0000000000C10000-0x0000000000CCA000-memory.dmp
    Filesize

    744KB

  • memory/3684-20-0x0000000005A80000-0x0000000005A90000-memory.dmp
    Filesize

    64KB

  • memory/3684-14-0x0000000074D20000-0x00000000754D0000-memory.dmp
    Filesize

    7.7MB

  • memory/3684-16-0x0000000005A80000-0x0000000005A90000-memory.dmp
    Filesize

    64KB

  • memory/3684-17-0x00000000059D0000-0x0000000005A36000-memory.dmp
    Filesize

    408KB

  • memory/3684-18-0x0000000007030000-0x0000000007080000-memory.dmp
    Filesize

    320KB

  • memory/3684-19-0x0000000074D20000-0x00000000754D0000-memory.dmp
    Filesize

    7.7MB

  • memory/3684-11-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB