Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    05/04/2024, 01:37

General

  • Target

    Payment Slip05042024.exe

  • Size

    603KB

  • MD5

    6a143bd09bf8e4b96020812cdf85a92e

  • SHA1

    5980fa3b4d37ccdec00e3f6a78c7f1aca5939418

  • SHA256

    4b4c3585bbf95af33fac18ae92347069e2b732626cc6c7984ebfef92ea0a89b0

  • SHA512

    464a22ca590543cbbbf281dd14fa4f0f95ac6b99b932fb48d573ab4fb8fc4a9c421ec2db8e19960d58e0a2b8e773cb74d2cc09f6c4e87c18330fbcd30abbfc17

  • SSDEEP

    12288:H9UHTp6Hg2vXZdlNn2cXHFMWQEjFDe4nhD30cyLtDtS18V5wybCd/rghUlmt3krf:6HVhoV2cXHU2hToSSCd/rgh6mt3k9p

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Suspicious use of SetThreadContext 1 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\Payment Slip05042024.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Slip05042024.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Users\Admin\AppData\Local\Temp\Payment Slip05042024.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Slip05042024.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2020-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2020-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2020-24-0x0000000004A30000-0x0000000004A70000-memory.dmp

    Filesize

    256KB

  • memory/2020-23-0x0000000074B40000-0x000000007522E000-memory.dmp

    Filesize

    6.9MB

  • memory/2020-22-0x0000000074B40000-0x000000007522E000-memory.dmp

    Filesize

    6.9MB

  • memory/2020-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2020-6-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2020-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2020-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2020-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2020-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2924-5-0x0000000005C80000-0x0000000005D02000-memory.dmp

    Filesize

    520KB

  • memory/2924-0-0x0000000000CC0000-0x0000000000D5E000-memory.dmp

    Filesize

    632KB

  • memory/2924-19-0x0000000074B40000-0x000000007522E000-memory.dmp

    Filesize

    6.9MB

  • memory/2924-1-0x0000000074B40000-0x000000007522E000-memory.dmp

    Filesize

    6.9MB

  • memory/2924-4-0x0000000000500000-0x000000000050C000-memory.dmp

    Filesize

    48KB

  • memory/2924-3-0x00000000004F0000-0x0000000000500000-memory.dmp

    Filesize

    64KB

  • memory/2924-2-0x0000000000AF0000-0x0000000000B30000-memory.dmp

    Filesize

    256KB