Analysis

  • max time kernel
    138s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:36

General

  • Target

    Swift Receipt.exe

  • Size

    444KB

  • MD5

    cf7b55938109119ae7a75b29cf792137

  • SHA1

    1c2bbd9c0f343ccd748dd7252b9737e6b61308cb

  • SHA256

    2088534f73106229d20329297ac7079561b2c6d2ab60631af0b29e416389839a

  • SHA512

    8bf77e3b8facf35b1318f100904e2f26b0b9e75096eb0e66d614370638c2af6faf3322e75335441fdc0f35cb69eca3b4afa85f3098c2f2c893ec853322a8077e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Hunter$#@145722

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 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 Receipt.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift Receipt.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\InstallUtil.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1124

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1124-57-0x000000000044757E-mapping.dmp
  • memory/1124-58-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1124-60-0x00000000757C1000-0x00000000757C3000-memory.dmp
    Filesize

    8KB

  • memory/1932-54-0x0000000001200000-0x0000000001274000-memory.dmp
    Filesize

    464KB

  • memory/1932-55-0x0000000004C30000-0x0000000004C98000-memory.dmp
    Filesize

    416KB

  • memory/1932-56-0x00000000005C0000-0x0000000000610000-memory.dmp
    Filesize

    320KB

  • memory/1932-59-0x0000000000520000-0x0000000000523000-memory.dmp
    Filesize

    12KB