Analysis

  • max time kernel
    76s
  • max time network
    24s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    05-02-2022 15:10

General

  • Target

    5f041ae78e581b4dbd9ccc968c5e57285c364c8a8c41493cd47833204aed0e84.exe

  • Size

    456KB

  • MD5

    a16220152ef376f028a9a96f495d1dff

  • SHA1

    d1c3f258c6f6dbf20699a9509e0cd6cbf4b8d9f4

  • SHA256

    5f041ae78e581b4dbd9ccc968c5e57285c364c8a8c41493cd47833204aed0e84

  • SHA512

    2e1c43008edbd49363170f36e0b812e4dba25c382601353aeba4a982d2911f4a84e37f564b3f6793d077ad6593c37fdebcab35955b8d6e1bff92650cc247eda5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.platinships.net
  • Port:
    587
  • Username:
    phyno@platinships.net
  • Password:
    J~5v.F5[G06H6}ct{!

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f041ae78e581b4dbd9ccc968c5e57285c364c8a8c41493cd47833204aed0e84.exe
    "C:\Users\Admin\AppData\Local\Temp\5f041ae78e581b4dbd9ccc968c5e57285c364c8a8c41493cd47833204aed0e84.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Users\Admin\AppData\Local\Temp\5f041ae78e581b4dbd9ccc968c5e57285c364c8a8c41493cd47833204aed0e84.exe
      "C:\Users\Admin\AppData\Local\Temp\5f041ae78e581b4dbd9ccc968c5e57285c364c8a8c41493cd47833204aed0e84.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1888

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\Temp\5f041ae78e581b4dbd9ccc968c5e57285c364c8a8c41493cd47833204aed0e84.exe
    MD5

    a16220152ef376f028a9a96f495d1dff

    SHA1

    d1c3f258c6f6dbf20699a9509e0cd6cbf4b8d9f4

    SHA256

    5f041ae78e581b4dbd9ccc968c5e57285c364c8a8c41493cd47833204aed0e84

    SHA512

    2e1c43008edbd49363170f36e0b812e4dba25c382601353aeba4a982d2911f4a84e37f564b3f6793d077ad6593c37fdebcab35955b8d6e1bff92650cc247eda5

  • \Users\Admin\AppData\Local\Temp\5f041ae78e581b4dbd9ccc968c5e57285c364c8a8c41493cd47833204aed0e84.exe
    MD5

    a16220152ef376f028a9a96f495d1dff

    SHA1

    d1c3f258c6f6dbf20699a9509e0cd6cbf4b8d9f4

    SHA256

    5f041ae78e581b4dbd9ccc968c5e57285c364c8a8c41493cd47833204aed0e84

    SHA512

    2e1c43008edbd49363170f36e0b812e4dba25c382601353aeba4a982d2911f4a84e37f564b3f6793d077ad6593c37fdebcab35955b8d6e1bff92650cc247eda5

  • memory/1092-56-0x0000000000570000-0x00000000005D0000-memory.dmp
    Filesize

    384KB

  • memory/1092-57-0x0000000004B50000-0x0000000004B51000-memory.dmp
    Filesize

    4KB

  • memory/1092-58-0x0000000000210000-0x000000000021A000-memory.dmp
    Filesize

    40KB

  • memory/1092-59-0x0000000075831000-0x0000000075833000-memory.dmp
    Filesize

    8KB

  • memory/1092-60-0x0000000000230000-0x000000000023C000-memory.dmp
    Filesize

    48KB

  • memory/1092-61-0x0000000000670000-0x0000000000678000-memory.dmp
    Filesize

    32KB

  • memory/1092-55-0x0000000000D50000-0x0000000000DC8000-memory.dmp
    Filesize

    480KB

  • memory/1888-63-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1888-65-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1888-66-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1888-67-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1888-64-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1888-69-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1888-71-0x0000000004960000-0x0000000004961000-memory.dmp
    Filesize

    4KB