Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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

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\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:3380
    • 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:4960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DAI SHAN HAI - VESSEL DETAILS.pdf.scr.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3380-4-0x00000000055A0000-0x00000000055AA000-memory.dmp

    Filesize

    40KB

  • memory/3380-3-0x00000000055D0000-0x0000000005662000-memory.dmp

    Filesize

    584KB

  • memory/3380-10-0x00000000092A0000-0x000000000933C000-memory.dmp

    Filesize

    624KB

  • memory/3380-9-0x0000000006C60000-0x0000000006CE2000-memory.dmp

    Filesize

    520KB

  • memory/3380-5-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3380-6-0x0000000005AD0000-0x0000000005B70000-memory.dmp

    Filesize

    640KB

  • memory/3380-7-0x00000000058A0000-0x00000000058BA000-memory.dmp

    Filesize

    104KB

  • memory/3380-8-0x0000000005B70000-0x0000000005B80000-memory.dmp

    Filesize

    64KB

  • memory/3380-15-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3380-2-0x0000000005B80000-0x0000000006124000-memory.dmp

    Filesize

    5.6MB

  • memory/3380-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/3380-1-0x0000000000AF0000-0x0000000000B9C000-memory.dmp

    Filesize

    688KB

  • memory/4960-14-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4960-19-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4960-16-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4960-17-0x0000000005410000-0x0000000005476000-memory.dmp

    Filesize

    408KB

  • memory/4960-18-0x0000000006A40000-0x0000000006A90000-memory.dmp

    Filesize

    320KB

  • memory/4960-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB