Analysis

  • max time kernel
    132s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:36

General

  • Target

    DHL_23072020_AWB_998227999_INV..exe

  • Size

    515KB

  • MD5

    5d70a20f85b34b8eb7ddd707fe815116

  • SHA1

    4710054a6acad00bf114746ec714fed9ed5b6fd5

  • SHA256

    4f98dddd1446348937ee177862d015eb8528bb8a7b2aa65cc77cc77a5c689817

  • SHA512

    48ff0416757156b0258876a943a12d832171db587822db3ce51a7b552db4163b6b2ba23e42f35aac63fab29bda3b444d7eea6bb5186dbb68b753659ed9f18855

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.wtgriderline.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    T@sz^GL3

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL_23072020_AWB_998227999_INV..exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_23072020_AWB_998227999_INV..exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\DHL_23072020_AWB_998227999_INV..exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1268

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

  • memory/1268-64-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1268-59-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1268-60-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1268-62-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1268-63-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1268-65-0x0000000000445CDE-mapping.dmp
  • memory/1268-67-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1268-69-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/2028-55-0x0000000075FE1000-0x0000000075FE3000-memory.dmp
    Filesize

    8KB

  • memory/2028-56-0x00000000003E0000-0x00000000003F0000-memory.dmp
    Filesize

    64KB

  • memory/2028-57-0x0000000003F90000-0x0000000003FF6000-memory.dmp
    Filesize

    408KB

  • memory/2028-58-0x0000000004B70000-0x0000000004BBA000-memory.dmp
    Filesize

    296KB

  • memory/2028-54-0x00000000008D0000-0x0000000000958000-memory.dmp
    Filesize

    544KB