Analysis

  • max time kernel
    131s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    23-10-2021 08:11

General

  • Target

    Swift-pago.pdf.exe

  • Size

    38.0MB

  • MD5

    08a5400c20f882346a1f2b9e04cff8d2

  • SHA1

    2cadd3ff90433197824a547ece57da36435fb64b

  • SHA256

    33908ca6bf57c6bbb1375a3d58f4bd5c490451cfad130aaacd61e08020c94e00

  • SHA512

    73bbec6ba2c7127c9b65e99b16e202eedc38c0f1e9d8e6e497e211bfb45ced47e5d7db5e17205d92cc064651610d15a815449f036e01f0616b7e175ce5b1a612

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alimentostolten.cl
  • Port:
    587
  • Username:
    mojo@alimentostolten.cl
  • Password:
    icui4cu2@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • 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 use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift-pago.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift-pago.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\Swift-pago.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift-pago.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2196

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Swift-pago.pdf.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/2196-124-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2196-133-0x0000000006300000-0x0000000006301000-memory.dmp
    Filesize

    4KB

  • memory/2196-132-0x0000000005B60000-0x0000000005B61000-memory.dmp
    Filesize

    4KB

  • memory/2196-131-0x00000000056A0000-0x0000000005B9E000-memory.dmp
    Filesize

    5.0MB

  • memory/2196-125-0x0000000000436D3E-mapping.dmp
  • memory/3028-119-0x0000000004D80000-0x0000000004D81000-memory.dmp
    Filesize

    4KB

  • memory/3028-123-0x0000000008590000-0x00000000085E7000-memory.dmp
    Filesize

    348KB

  • memory/3028-122-0x00000000084F0000-0x00000000084F1000-memory.dmp
    Filesize

    4KB

  • memory/3028-121-0x0000000005290000-0x0000000005297000-memory.dmp
    Filesize

    28KB

  • memory/3028-120-0x0000000004CF0000-0x0000000004D82000-memory.dmp
    Filesize

    584KB

  • memory/3028-115-0x00000000004A0000-0x00000000004A1000-memory.dmp
    Filesize

    4KB

  • memory/3028-118-0x0000000004ED0000-0x0000000004ED1000-memory.dmp
    Filesize

    4KB

  • memory/3028-117-0x0000000009750000-0x0000000009751000-memory.dmp
    Filesize

    4KB