Analysis

  • max time kernel
    113s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 09:03

General

  • Target

    SAPPHO (Q88).PDF.scr

  • Size

    844KB

  • MD5

    d1473af035ad29a5106b6e0c86136c62

  • SHA1

    d8aa3f840097d53cb03d35020e1ec904aa779b6c

  • SHA256

    09e3dca360715fc66070377bbf9ac07c8af08b6f5bc11a8e9de381368b21a32d

  • SHA512

    ab1c50459147d77ab5359d1899d7107c698e712cc6e6cd6371236a4a59ad04d755c563e8d58e9ef3e92ebbb7b575da798af1c2e16becb6040e141d7503820ed9

  • SSDEEP

    24576:JMYeNVDN5i/7oYEADXg/7w6y5frNhSXiRIVqf:JMYePN5i/7vEWwjwNfrrSXwIVq

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

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.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SAPPHO (Q88).PDF.scr
    "C:\Users\Admin\AppData\Local\Temp\SAPPHO (Q88).PDF.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Users\Admin\AppData\Local\Temp\SAPPHO (Q88).PDF.scr
      "C:\Users\Admin\AppData\Local\Temp\SAPPHO (Q88).PDF.scr"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SAPPHO (Q88).PDF.scr.log

    Filesize

    1KB

    MD5

    b7b9acb869ccc7f7ecb5304ec0384dee

    SHA1

    6a90751c95817903ee833d59a0abbef425a613b3

    SHA256

    8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

    SHA512

    7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

  • memory/3056-10-0x0000000006D30000-0x0000000006DB2000-memory.dmp

    Filesize

    520KB

  • memory/3056-16-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3056-9-0x0000000006CC0000-0x0000000006CD0000-memory.dmp

    Filesize

    64KB

  • memory/3056-4-0x0000000005890000-0x0000000005BE4000-memory.dmp

    Filesize

    3.3MB

  • memory/3056-5-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3056-6-0x0000000005860000-0x000000000586A000-memory.dmp

    Filesize

    40KB

  • memory/3056-7-0x0000000006380000-0x0000000006396000-memory.dmp

    Filesize

    88KB

  • memory/3056-8-0x0000000006CB0000-0x0000000006CBE000-memory.dmp

    Filesize

    56KB

  • memory/3056-3-0x00000000056F0000-0x0000000005782000-memory.dmp

    Filesize

    584KB

  • memory/3056-2-0x0000000005CA0000-0x0000000006244000-memory.dmp

    Filesize

    5.6MB

  • memory/3056-0-0x000000007492E000-0x000000007492F000-memory.dmp

    Filesize

    4KB

  • memory/3056-11-0x0000000009550000-0x00000000095EC000-memory.dmp

    Filesize

    624KB

  • memory/3056-1-0x0000000000C30000-0x0000000000D08000-memory.dmp

    Filesize

    864KB

  • memory/4776-20-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4776-15-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4776-17-0x00000000058B0000-0x0000000005916000-memory.dmp

    Filesize

    408KB

  • memory/4776-18-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4776-19-0x0000000006DB0000-0x0000000006E00000-memory.dmp

    Filesize

    320KB

  • memory/4776-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB