Analysis

  • max time kernel
    134s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 10:09

General

  • Target

    swiftsend_29042024_pdf.pif.exe

  • Size

    695KB

  • MD5

    1a9cebb11f9cda632a4f05a2568fdff6

  • SHA1

    2eb92ed81c2cf1890200272a9a92ebadcea45073

  • SHA256

    06aa10d506553f5dedcb071dde3402df257ec09e60468af7fd4764777482896b

  • SHA512

    96d3902e35cb79c0f2e0f9e9becc62755d8de71383238282c12372e5d204a6d8de61c926fda298fecf8c8dddb06b9ac2ea3aef22b540897fe0169ecdee76a83c

  • SSDEEP

    12288:SKrZFroyHogKCB778QehMUgEeJhyI6EkbKrHK0p81OTTlrqTh+5AudIuFd2+oOY4:/rZvBCNglJhyLEmq18GTVqtDQN2+SEf

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.kowalskiokna.pl
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    artgeruhst75g

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 WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\swiftsend_29042024_pdf.pif.exe
    "C:\Users\Admin\AppData\Local\Temp\swiftsend_29042024_pdf.pif.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1004
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\swiftsend_29042024_pdf.pif.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4600
    • C:\Users\Admin\AppData\Local\Temp\swiftsend_29042024_pdf.pif.exe
      "C:\Users\Admin\AppData\Local\Temp\swiftsend_29042024_pdf.pif.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1100

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ca4ompdy.ruz.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1004-6-0x0000000005490000-0x00000000054A8000-memory.dmp
    Filesize

    96KB

  • memory/1004-2-0x0000000005730000-0x0000000005CD4000-memory.dmp
    Filesize

    5.6MB

  • memory/1004-3-0x0000000005080000-0x0000000005112000-memory.dmp
    Filesize

    584KB

  • memory/1004-4-0x0000000005330000-0x0000000005340000-memory.dmp
    Filesize

    64KB

  • memory/1004-5-0x0000000005120000-0x000000000512A000-memory.dmp
    Filesize

    40KB

  • memory/1004-14-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/1004-7-0x00000000063F0000-0x00000000063FE000-memory.dmp
    Filesize

    56KB

  • memory/1004-8-0x0000000006400000-0x0000000006416000-memory.dmp
    Filesize

    88KB

  • memory/1004-9-0x0000000006490000-0x0000000006514000-memory.dmp
    Filesize

    528KB

  • memory/1004-10-0x0000000008CA0000-0x0000000008D3C000-memory.dmp
    Filesize

    624KB

  • memory/1004-0-0x0000000000710000-0x00000000007C4000-memory.dmp
    Filesize

    720KB

  • memory/1004-1-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/1100-20-0x0000000005020000-0x0000000005030000-memory.dmp
    Filesize

    64KB

  • memory/1100-13-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/1100-16-0x0000000004E40000-0x0000000004EA6000-memory.dmp
    Filesize

    408KB

  • memory/1100-63-0x0000000005020000-0x0000000005030000-memory.dmp
    Filesize

    64KB

  • memory/1100-62-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/1100-61-0x00000000066B0000-0x0000000006700000-memory.dmp
    Filesize

    320KB

  • memory/1100-11-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/4600-37-0x0000000070BF0000-0x0000000070C3C000-memory.dmp
    Filesize

    304KB

  • memory/4600-49-0x00000000080B0000-0x000000000872A000-memory.dmp
    Filesize

    6.5MB

  • memory/4600-21-0x0000000005440000-0x0000000005450000-memory.dmp
    Filesize

    64KB

  • memory/4600-19-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/4600-33-0x0000000006190000-0x00000000064E4000-memory.dmp
    Filesize

    3.3MB

  • memory/4600-34-0x0000000006760000-0x000000000677E000-memory.dmp
    Filesize

    120KB

  • memory/4600-35-0x00000000068D0000-0x000000000691C000-memory.dmp
    Filesize

    304KB

  • memory/4600-36-0x00000000076D0000-0x0000000007702000-memory.dmp
    Filesize

    200KB

  • memory/4600-15-0x0000000002E30000-0x0000000002E66000-memory.dmp
    Filesize

    216KB

  • memory/4600-47-0x00000000076B0000-0x00000000076CE000-memory.dmp
    Filesize

    120KB

  • memory/4600-48-0x0000000007920000-0x00000000079C3000-memory.dmp
    Filesize

    652KB

  • memory/4600-23-0x0000000005990000-0x00000000059F6000-memory.dmp
    Filesize

    408KB

  • memory/4600-50-0x0000000007A70000-0x0000000007A8A000-memory.dmp
    Filesize

    104KB

  • memory/4600-51-0x0000000007AE0000-0x0000000007AEA000-memory.dmp
    Filesize

    40KB

  • memory/4600-52-0x0000000007CF0000-0x0000000007D86000-memory.dmp
    Filesize

    600KB

  • memory/4600-53-0x0000000007C70000-0x0000000007C81000-memory.dmp
    Filesize

    68KB

  • memory/4600-54-0x0000000007CA0000-0x0000000007CAE000-memory.dmp
    Filesize

    56KB

  • memory/4600-55-0x0000000007CB0000-0x0000000007CC4000-memory.dmp
    Filesize

    80KB

  • memory/4600-56-0x0000000007DB0000-0x0000000007DCA000-memory.dmp
    Filesize

    104KB

  • memory/4600-57-0x0000000007D90000-0x0000000007D98000-memory.dmp
    Filesize

    32KB

  • memory/4600-60-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/4600-22-0x0000000005440000-0x0000000005450000-memory.dmp
    Filesize

    64KB

  • memory/4600-18-0x0000000005870000-0x0000000005892000-memory.dmp
    Filesize

    136KB

  • memory/4600-17-0x0000000005A80000-0x00000000060A8000-memory.dmp
    Filesize

    6.2MB