Analysis

  • max time kernel
    125s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2023 17:26

General

  • Target

    922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe

  • Size

    1.8MB

  • MD5

    37743628366e7f9f8f440feed89800c2

  • SHA1

    daa05f2e44fef51f018385d7bcc040e01af87206

  • SHA256

    922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9

  • SHA512

    e7aa8f10363798cdeba7a2134feee9b6c2e23f6a2ab17af41ce2ad517e48181834d93111cf320446b7ef2638b46753e64688b974b271509ab4157dc9c635af31

  • SSDEEP

    49152:zQKs42G2MO+OwfBP9dl9A1BE+xdZLh8yBhKd/:/l9AjRBwd/

Malware Config

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe
    "C:\Users\Admin\AppData\Local\Temp\922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3116
    • C:\Users\Admin\AppData\Local\Temp\922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe
      C:\Users\Admin\AppData\Local\Temp\922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe.log

    Filesize

    927B

    MD5

    4a911455784f74e368a4c2c7876d76f4

    SHA1

    a1700a0849ffb4f26671eb76da2489946b821c34

    SHA256

    264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c

    SHA512

    4617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d

  • memory/3116-1-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/3116-2-0x0000000005830000-0x0000000005888000-memory.dmp

    Filesize

    352KB

  • memory/3116-3-0x00000000058E0000-0x00000000058F0000-memory.dmp

    Filesize

    64KB

  • memory/3116-4-0x0000000005890000-0x00000000058D0000-memory.dmp

    Filesize

    256KB

  • memory/3116-5-0x0000000005910000-0x0000000005950000-memory.dmp

    Filesize

    256KB

  • memory/3116-6-0x0000000005950000-0x000000000599C000-memory.dmp

    Filesize

    304KB

  • memory/3116-7-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/3116-8-0x00000000058E0000-0x00000000058F0000-memory.dmp

    Filesize

    64KB

  • memory/3116-9-0x0000000006240000-0x00000000067E4000-memory.dmp

    Filesize

    5.6MB

  • memory/3116-0-0x0000000000D10000-0x0000000000ED8000-memory.dmp

    Filesize

    1.8MB

  • memory/3116-14-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4264-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4264-17-0x00000000051A0000-0x0000000005206000-memory.dmp

    Filesize

    408KB

  • memory/4264-16-0x0000000005010000-0x0000000005020000-memory.dmp

    Filesize

    64KB

  • memory/4264-15-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4264-19-0x0000000006AE0000-0x0000000006B7C000-memory.dmp

    Filesize

    624KB

  • memory/4264-18-0x00000000069F0000-0x0000000006A40000-memory.dmp

    Filesize

    320KB

  • memory/4264-20-0x0000000006C20000-0x0000000006CB2000-memory.dmp

    Filesize

    584KB

  • memory/4264-21-0x0000000006AC0000-0x0000000006ACA000-memory.dmp

    Filesize

    40KB

  • memory/4264-22-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4264-23-0x0000000005010000-0x0000000005020000-memory.dmp

    Filesize

    64KB