Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 12:14

General

  • Target

    Vessel Position.exe

  • Size

    461KB

  • MD5

    2811bb21fbddfc5aa2fc7645899490f1

  • SHA1

    409103b6f327dfdb552dbbcccfc42c8079114f20

  • SHA256

    f8945563dab52de0ef1cc3dcce3afbdcd8122cfef0c84a0a5d6661ae3ab6137a

  • SHA512

    fd51548706dee4ef4ad01e69444c24157760d0f7200adf6293cc7f34700014458cc10d7586e77388b0c91f066baaad982c3365abc79a08cc7b19875c4a7c6e3e

  • SSDEEP

    6144:TWeKZc3d4L6GzC/fikYczRj+m2xHfTVDgjnx3G5UuBjhpH3565Xnnz/8vqe7fV:kLCwczBGVgjx3q5

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    jxkiKr1nB8PV

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Vessel Position.exe
    "C:\Users\Admin\AppData\Local\Temp\Vessel Position.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4892
    • C:\Users\Admin\AppData\Local\Temp\Vessel Position.exe
      "C:\Users\Admin\AppData\Local\Temp\Vessel Position.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Vessel Position.exe.log

    Filesize

    1KB

    MD5

    489c7565f9b029ba9fadff774073cc98

    SHA1

    56c05089b33ee7e7dfa9e6a2d098164efd8e1150

    SHA256

    10bf6242da02dad8b2e1208b9dab9a7303cf986320e05e5ef20b99c9b71326d4

    SHA512

    ddea09c011a8d4f85905842c2f34c98add0110a0b6b3b2709718c3614a2c42dec5f4f5d5b9442cfd3c6c23e9a90c8c0b25c14c3dbd42faea9cc8dd232cace1ac

  • memory/2372-4903-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/2372-4904-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2372-4905-0x00000000057C0000-0x0000000005826000-memory.dmp

    Filesize

    408KB

  • memory/2372-4906-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/2372-4911-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/2372-4910-0x0000000007030000-0x000000000703A000-memory.dmp

    Filesize

    40KB

  • memory/2372-4909-0x00000000070C0000-0x0000000007152000-memory.dmp

    Filesize

    584KB

  • memory/2372-4908-0x0000000006F80000-0x000000000701C000-memory.dmp

    Filesize

    624KB

  • memory/2372-4907-0x0000000006E90000-0x0000000006EE0000-memory.dmp

    Filesize

    320KB

  • memory/4892-39-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-61-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-35-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-37-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-33-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-31-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-29-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-25-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-23-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-19-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-21-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-17-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-15-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-14-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-9-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-5-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-4-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-45-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-11-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-53-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-67-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-65-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-63-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-27-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-57-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-55-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-51-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-49-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-47-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-43-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-41-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-59-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-4890-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4892-4891-0x0000000005750000-0x0000000005756000-memory.dmp

    Filesize

    24KB

  • memory/4892-4893-0x00000000057F0000-0x000000000583C000-memory.dmp

    Filesize

    304KB

  • memory/4892-4892-0x0000000005780000-0x00000000057EC000-memory.dmp

    Filesize

    432KB

  • memory/4892-4894-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB

  • memory/4892-4895-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4892-7-0x0000000007010000-0x000000000723A000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-3-0x0000000007010000-0x0000000007240000-memory.dmp

    Filesize

    2.2MB

  • memory/4892-2-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4892-1-0x00000000003B0000-0x0000000000426000-memory.dmp

    Filesize

    472KB

  • memory/4892-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB

  • memory/4892-4896-0x0000000008B10000-0x00000000090B4000-memory.dmp

    Filesize

    5.6MB

  • memory/4892-4897-0x0000000005B90000-0x0000000005BE4000-memory.dmp

    Filesize

    336KB

  • memory/4892-4902-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB