Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 01:31

General

  • Target

    ff686bc37f9a2d9ae4f242f7b6a891d9eb44ae373fb0e41a0d0826964fd826cb.exe

  • Size

    627KB

  • MD5

    15b2b360a1d3c5f7abd9e6563999ed6e

  • SHA1

    4784b10ea4e6fe2d86c3e1e77707ebbce64ce388

  • SHA256

    ff686bc37f9a2d9ae4f242f7b6a891d9eb44ae373fb0e41a0d0826964fd826cb

  • SHA512

    34e2f36d859e588dac297d263ea93a1dbc3746c77f1a888bf43ec5e6dcd896017cccb79fb3ca19ec48c3cb780a534f958d8593bb6ef431cc3cdbddb268134117

  • SSDEEP

    12288:quPNO9hUTQj2tZrmjCZzcbsI5DwH+K3NN01XqjV:NkrK9jSjCWYIg9qJq

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://mercuresurabaya.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    COM&qS[LeyKQ

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff686bc37f9a2d9ae4f242f7b6a891d9eb44ae373fb0e41a0d0826964fd826cb.exe
    "C:\Users\Admin\AppData\Local\Temp\ff686bc37f9a2d9ae4f242f7b6a891d9eb44ae373fb0e41a0d0826964fd826cb.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2224-0-0x00000000013A0000-0x0000000001442000-memory.dmp

    Filesize

    648KB

  • memory/2224-1-0x0000000074740000-0x0000000074E2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2224-2-0x0000000004E10000-0x0000000004E50000-memory.dmp

    Filesize

    256KB

  • memory/2224-3-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2224-4-0x00000000004C0000-0x00000000004CA000-memory.dmp

    Filesize

    40KB

  • memory/2224-5-0x0000000004F30000-0x0000000004FAC000-memory.dmp

    Filesize

    496KB

  • memory/2224-6-0x0000000000270000-0x00000000002B2000-memory.dmp

    Filesize

    264KB

  • memory/2224-7-0x0000000074740000-0x0000000074E2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2224-8-0x0000000004E10000-0x0000000004E50000-memory.dmp

    Filesize

    256KB