Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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 10:19

General

  • Target

    SINAR TORAJA PARTICULARS.pdf.scr

  • Size

    670KB

  • MD5

    c5a0ba17188d0ecf5f6952841b5228d3

  • SHA1

    a56118c862235208b608b88c6da4a925d6e0ff3a

  • SHA256

    17eeb291958feacdd246e605d777ce98fc9be320fd378283ac2764f1bc3b4c25

  • SHA512

    884853fa3170151fdac122e9e3536a1cbd48cda2a9de7325ac80f3d8d501d9846736384e62047ac1e1b0b8cc74be26356bcc05639219929d751f563137f30d87

  • SSDEEP

    12288:4D67tMcRHg4tHiYOH3KvXRM80k8Zv+JaqSIKXOF+ZHYCccwJ68QnGh:FMcR9HyX+BM80kQEaLpOF+tYCVnn

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\SINAR TORAJA PARTICULARS.pdf.scr
    "C:\Users\Admin\AppData\Local\Temp\SINAR TORAJA PARTICULARS.pdf.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Users\Admin\AppData\Local\Temp\SINAR TORAJA PARTICULARS.pdf.scr
      "C:\Users\Admin\AppData\Local\Temp\SINAR TORAJA PARTICULARS.pdf.scr"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SINAR TORAJA PARTICULARS.pdf.scr.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3076-4-0x0000000004A80000-0x0000000004A8A000-memory.dmp
    Filesize

    40KB

  • memory/3076-3-0x0000000004B20000-0x0000000004BB2000-memory.dmp
    Filesize

    584KB

  • memory/3076-10-0x00000000087D0000-0x000000000886C000-memory.dmp
    Filesize

    624KB

  • memory/3076-9-0x0000000006190000-0x0000000006212000-memory.dmp
    Filesize

    520KB

  • memory/3076-5-0x0000000074D50000-0x0000000075500000-memory.dmp
    Filesize

    7.7MB

  • memory/3076-6-0x00000000060F0000-0x0000000006190000-memory.dmp
    Filesize

    640KB

  • memory/3076-7-0x0000000004E00000-0x0000000004E1A000-memory.dmp
    Filesize

    104KB

  • memory/3076-8-0x0000000004E20000-0x0000000004E30000-memory.dmp
    Filesize

    64KB

  • memory/3076-14-0x0000000074D50000-0x0000000075500000-memory.dmp
    Filesize

    7.7MB

  • memory/3076-2-0x00000000050D0000-0x0000000005674000-memory.dmp
    Filesize

    5.6MB

  • memory/3076-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp
    Filesize

    4KB

  • memory/3076-1-0x0000000000100000-0x00000000001AE000-memory.dmp
    Filesize

    696KB

  • memory/3880-19-0x0000000074D50000-0x0000000075500000-memory.dmp
    Filesize

    7.7MB

  • memory/3880-15-0x0000000074D50000-0x0000000075500000-memory.dmp
    Filesize

    7.7MB

  • memory/3880-16-0x0000000004ED0000-0x0000000004F36000-memory.dmp
    Filesize

    408KB

  • memory/3880-17-0x0000000074D50000-0x0000000075500000-memory.dmp
    Filesize

    7.7MB

  • memory/3880-18-0x0000000006440000-0x0000000006490000-memory.dmp
    Filesize

    320KB

  • memory/3880-11-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB