Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-03-2024 13:35

General

  • Target

    kcHayiwhi.exe

  • Size

    948KB

  • MD5

    1f5d33b971e55161344c939113e5e319

  • SHA1

    da15607e443200fa55d7d0a174db42fbd3e79039

  • SHA256

    2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636

  • SHA512

    438ecb39c80cc618b813bef917eddcb268b9ec15f6518f7dbb50187fae37601c0ddc8d847f34a462b4628dca2db458b253171e64a723b15701397dc86f9a1139

  • SSDEEP

    24576:djdIX5Ea8gGNkPRCrYJBSTagnZ3juezrkIUhjmjbdTh7:fIPRPKauu0rYh8bdd

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 34 IoCs
  • PureLog Stealer

    PureLog Stealer is an infostealer written in C#.

  • PureLog Stealer payload 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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 1 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 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kcHayiwhi.exe
    "C:\Users\Admin\AppData\Local\Temp\kcHayiwhi.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\kcHayiwhi.exe
      C:\Users\Admin\AppData\Local\Temp\kcHayiwhi.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1576-1139-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1576-1142-0x0000000004CC0000-0x0000000004D00000-memory.dmp

    Filesize

    256KB

  • memory/1576-1141-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1576-1140-0x0000000004CC0000-0x0000000004D00000-memory.dmp

    Filesize

    256KB

  • memory/1576-1138-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2004-50-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-64-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-8-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-10-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-12-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-14-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-16-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-18-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-20-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-22-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-26-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-28-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-32-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-34-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-38-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-42-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-46-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-1-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2004-54-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-56-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-60-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-6-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-68-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-66-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-62-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-58-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-52-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-48-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-44-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-40-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-36-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-30-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-24-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-1119-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/2004-1120-0x00000000009A0000-0x00000000009E2000-memory.dmp

    Filesize

    264KB

  • memory/2004-1121-0x0000000000B00000-0x0000000000B4C000-memory.dmp

    Filesize

    304KB

  • memory/2004-1134-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2004-5-0x0000000004BD0000-0x0000000004C83000-memory.dmp

    Filesize

    716KB

  • memory/2004-4-0x0000000004BD0000-0x0000000004C8A000-memory.dmp

    Filesize

    744KB

  • memory/2004-3-0x0000000000C40000-0x0000000000CFA000-memory.dmp

    Filesize

    744KB

  • memory/2004-2-0x00000000048B0000-0x00000000048F0000-memory.dmp

    Filesize

    256KB

  • memory/2004-0-0x0000000000D10000-0x0000000000E04000-memory.dmp

    Filesize

    976KB