Analysis

  • max time kernel
    135s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    21-10-2021 00:41

General

  • Target

    Bank Swift TT copy.exe

  • Size

    427KB

  • MD5

    5886e035a12b13f2715f29c7d640bcc7

  • SHA1

    cb7fc2abb0f53228fbd9b3a5ae122f4ac05a205a

  • SHA256

    6c1e992a6a4027f434e8b4834adbb06cd08b3a650b1fdf855d0cac0e3a0ea0b5

  • SHA512

    a5ada49df6d0b42bf2941c449da63ed58b46acdaf090a0d452f86725fb4bc3c4b9d7d512a50d969b0ec93f6478fd213472f9c422d4b10ad7c83df49aee72d6bc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dairysystems.co.ke
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    2019@systems

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • 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 use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\Bank Swift TT copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Swift TT copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Users\Admin\AppData\Local\Temp\Bank Swift TT copy.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank Swift TT copy.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3984

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

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Bank Swift TT copy.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/1828-122-0x0000000008B40000-0x0000000008B41000-memory.dmp
    Filesize

    4KB

  • memory/1828-118-0x0000000005160000-0x0000000005161000-memory.dmp
    Filesize

    4KB

  • memory/1828-119-0x00000000050C0000-0x00000000055BE000-memory.dmp
    Filesize

    5.0MB

  • memory/1828-120-0x0000000005110000-0x0000000005111000-memory.dmp
    Filesize

    4KB

  • memory/1828-121-0x00000000055B0000-0x00000000055B7000-memory.dmp
    Filesize

    28KB

  • memory/1828-115-0x0000000000850000-0x0000000000851000-memory.dmp
    Filesize

    4KB

  • memory/1828-123-0x0000000008CE0000-0x0000000008D38000-memory.dmp
    Filesize

    352KB

  • memory/1828-117-0x00000000055C0000-0x00000000055C1000-memory.dmp
    Filesize

    4KB

  • memory/3984-124-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3984-125-0x00000000004374CE-mapping.dmp
  • memory/3984-131-0x00000000051E0000-0x00000000051E1000-memory.dmp
    Filesize

    4KB

  • memory/3984-132-0x0000000005790000-0x0000000005791000-memory.dmp
    Filesize

    4KB

  • memory/3984-133-0x0000000005E20000-0x0000000005E21000-memory.dmp
    Filesize

    4KB