Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 09:13

General

  • Target

    DAI SHAN HAI - VESSEL DETAILS.pdf.scr

  • Size

    665KB

  • MD5

    b51160bbcf48437d66790f228769ce73

  • SHA1

    38865f0047aef6afdeff054baf3e6387ddd2b012

  • SHA256

    89bd0410a26507a9acbb4d5150b5f284e7a4263ddf65930234d9a3ebddb26da3

  • SHA512

    ed8714a3e4f918bf0cb62edfc19300714366e55393b3abbf60f8fd5b439146ceee26b062720238484efc0c240a2ceeadf981abe2f7406bf6b567f871f2acc1bd

  • SSDEEP

    12288:Q99RHgaa+nw+eybQ70OD0PdLGv4ZRo0WSJR+/2x8MARET204MK2eyBeg:QxAaa25eybVllLPZW52+MARJ04t

Malware Config

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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DAI SHAN HAI - VESSEL DETAILS.pdf.scr
    "C:\Users\Admin\AppData\Local\Temp\DAI SHAN HAI - VESSEL DETAILS.pdf.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Users\Admin\AppData\Local\Temp\DAI SHAN HAI - VESSEL DETAILS.pdf.scr
      "C:\Users\Admin\AppData\Local\Temp\DAI SHAN HAI - VESSEL DETAILS.pdf.scr"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2104-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2104-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2104-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2104-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2104-24-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2104-22-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2104-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2104-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2104-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2104-25-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2104-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2460-2-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2460-0-0x000000007422E000-0x000000007422F000-memory.dmp

    Filesize

    4KB

  • memory/2460-1-0x0000000000940000-0x00000000009EC000-memory.dmp

    Filesize

    688KB

  • memory/2460-6-0x0000000005350000-0x00000000053D2000-memory.dmp

    Filesize

    520KB

  • memory/2460-5-0x0000000000490000-0x00000000004A0000-memory.dmp

    Filesize

    64KB

  • memory/2460-4-0x0000000000580000-0x000000000059A000-memory.dmp

    Filesize

    104KB

  • memory/2460-23-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2460-3-0x0000000004EB0000-0x0000000004F50000-memory.dmp

    Filesize

    640KB