Analysis

  • max time kernel
    86s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2023 13:09

General

  • Target

    SWIFT MT103-500M003.exe

  • Size

    1001KB

  • MD5

    cde8b54edcafe4791b3f08edbba15b38

  • SHA1

    67d0f6373b599da1cb2e26ddd084f83f187b4977

  • SHA256

    7ad3b811ac7212428b59433dd410b9e3413d0a5df031f7f68408dfc4aac61985

  • SHA512

    699a0b761f9d3479abf1060719a7d4d920282b57aac573808da1169a5939f519db9c3e5a656b436ddc363e433b2ca62a64471810778eb7aa10ca1ad92579e85b

  • SSDEEP

    24576:au12zVZ97Rl+QuZCYyKg8Zgp2DjmTqzFxvzn4/zO62b8+:auAR37mQYWK/ZGAjmTczraOD

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWIFT MT103-500M003.exe
    "C:\Users\Admin\AppData\Local\Temp\SWIFT MT103-500M003.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RppmpAWaGcXf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4212
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RppmpAWaGcXf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3095.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4412
    • C:\Users\Admin\AppData\Local\Temp\SWIFT MT103-500M003.exe
      "C:\Users\Admin\AppData\Local\Temp\SWIFT MT103-500M003.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3488

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tbkqpidt.kv5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp3095.tmp

    Filesize

    1KB

    MD5

    71760e13827f176973d1dd3304384af6

    SHA1

    4e31a846b08ae5aeaca14d1f18abe7d914c7a2af

    SHA256

    aa804db3a1d85217abe390d513d7ddb0f942213326ffc09c6ec72c4f7f04db50

    SHA512

    dcf0040e9d55645a71543b55d3776ce27911c33cb7383b4a8c88b5f31dd90333f67e5c74138855c1e31306153433392f477dbcfab158dc145901b69c42222aed

  • memory/1968-134-0x00000000054A0000-0x0000000005A44000-memory.dmp

    Filesize

    5.6MB

  • memory/1968-135-0x0000000004FA0000-0x0000000005032000-memory.dmp

    Filesize

    584KB

  • memory/1968-136-0x00000000050C0000-0x00000000050D0000-memory.dmp

    Filesize

    64KB

  • memory/1968-137-0x0000000005050000-0x000000000505A000-memory.dmp

    Filesize

    40KB

  • memory/1968-138-0x00000000050C0000-0x00000000050D0000-memory.dmp

    Filesize

    64KB

  • memory/1968-139-0x0000000006E50000-0x0000000006EEC000-memory.dmp

    Filesize

    624KB

  • memory/1968-133-0x0000000000520000-0x0000000000620000-memory.dmp

    Filesize

    1024KB

  • memory/3488-179-0x0000000006740000-0x0000000006902000-memory.dmp

    Filesize

    1.8MB

  • memory/3488-163-0x0000000005140000-0x0000000005150000-memory.dmp

    Filesize

    64KB

  • memory/3488-149-0x0000000005150000-0x00000000051B6000-memory.dmp

    Filesize

    408KB

  • memory/3488-190-0x0000000005140000-0x0000000005150000-memory.dmp

    Filesize

    64KB

  • memory/3488-178-0x0000000006520000-0x0000000006570000-memory.dmp

    Filesize

    320KB

  • memory/3488-146-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4212-177-0x00000000063D0000-0x00000000063EE000-memory.dmp

    Filesize

    120KB

  • memory/4212-144-0x00000000048C0000-0x00000000048F6000-memory.dmp

    Filesize

    216KB

  • memory/4212-161-0x00000000048B0000-0x00000000048C0000-memory.dmp

    Filesize

    64KB

  • memory/4212-164-0x0000000005E30000-0x0000000005E4E000-memory.dmp

    Filesize

    120KB

  • memory/4212-165-0x00000000048B0000-0x00000000048C0000-memory.dmp

    Filesize

    64KB

  • memory/4212-166-0x00000000063F0000-0x0000000006422000-memory.dmp

    Filesize

    200KB

  • memory/4212-167-0x0000000070450000-0x000000007049C000-memory.dmp

    Filesize

    304KB

  • memory/4212-147-0x0000000004F30000-0x0000000005558000-memory.dmp

    Filesize

    6.2MB

  • memory/4212-151-0x0000000005730000-0x0000000005796000-memory.dmp

    Filesize

    408KB

  • memory/4212-162-0x00000000048B0000-0x00000000048C0000-memory.dmp

    Filesize

    64KB

  • memory/4212-180-0x0000000007780000-0x0000000007DFA000-memory.dmp

    Filesize

    6.5MB

  • memory/4212-181-0x0000000007130000-0x000000000714A000-memory.dmp

    Filesize

    104KB

  • memory/4212-182-0x000000007FCB0000-0x000000007FCC0000-memory.dmp

    Filesize

    64KB

  • memory/4212-183-0x00000000071A0000-0x00000000071AA000-memory.dmp

    Filesize

    40KB

  • memory/4212-184-0x00000000073B0000-0x0000000007446000-memory.dmp

    Filesize

    600KB

  • memory/4212-185-0x0000000007360000-0x000000000736E000-memory.dmp

    Filesize

    56KB

  • memory/4212-186-0x0000000007470000-0x000000000748A000-memory.dmp

    Filesize

    104KB

  • memory/4212-187-0x0000000007450000-0x0000000007458000-memory.dmp

    Filesize

    32KB

  • memory/4212-150-0x0000000005690000-0x00000000056B2000-memory.dmp

    Filesize

    136KB