Analysis

  • max time kernel
    102s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:39

General

  • Target

    169346302-55937SANWVDDNETP0034-5.pdf.exe

  • Size

    424KB

  • MD5

    e01f5776aa3be9d844ec4803cd65938c

  • SHA1

    ae92877c6a7c20fc4ebdc09ad19fbb35ad8736ca

  • SHA256

    2882b139e0141c58c5bf477d9f73e1f1ac336f701c7c1ff312d23d966e73b732

  • SHA512

    9efb88ee5d373e651292dac7ac78f8234228dba2dcd4b9b9f7b1eb00ee461c4247ce0f00c1c745d92927be8e99862f2e6fb8015c534cbf4066f931e69ad99d22

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 1 IoCs
  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\169346302-55937SANWVDDNETP0034-5.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\169346302-55937SANWVDDNETP0034-5.pdf.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:1816

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1816-54-0x0000000000CD0000-0x0000000000D40000-memory.dmp
    Filesize

    448KB

  • memory/1816-55-0x0000000075E51000-0x0000000075E53000-memory.dmp
    Filesize

    8KB

  • memory/1816-56-0x00000000003F0000-0x00000000003F8000-memory.dmp
    Filesize

    32KB

  • memory/1816-57-0x00000000046A0000-0x00000000046F2000-memory.dmp
    Filesize

    328KB

  • memory/1816-58-0x0000000004810000-0x000000000485C000-memory.dmp
    Filesize

    304KB