Analysis

  • max time kernel
    142s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 10:42

General

  • Target

    e178ae1de056b3463f929009b08b3c03.exe

  • Size

    490KB

  • MD5

    e178ae1de056b3463f929009b08b3c03

  • SHA1

    e1e363f5e0cee78e1a2d2ad606be7529c58203c2

  • SHA256

    e7c30df0932d6ccaffe8eb817c2ed422920fb958b04d38f3f8c53f3a9953f214

  • SHA512

    6bdb2875bb60447daea8760ef76977545e2c9a6a8163a4bbecf57009aed0784ee9795ff9111f06beb6e6e99aea2764a7db8637e426a2a2338c7bb4b89b9e40b7

  • SSDEEP

    6144:BJCUD1099JzbK9ju7xtH9lSirp+wjUzkx7EZBJ+Z/q3fM/Vd9A1MbEWNN15naFv4:V49H3LMwjU8qBJKi3GTS13wN8v6eC

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.fakly-cambodia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Mmhh#2014

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

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

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

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e178ae1de056b3463f929009b08b3c03.exe
    "C:\Users\Admin\AppData\Local\Temp\e178ae1de056b3463f929009b08b3c03.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HfBaIWTX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5985.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1000
    • C:\Users\Admin\AppData\Local\Temp\e178ae1de056b3463f929009b08b3c03.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5985.tmp

    Filesize

    1KB

    MD5

    da040cae7cf972b182089c6d83cab18a

    SHA1

    c4b742988db8437a8a4be91dcc0d58685876e460

    SHA256

    2a64f6ad113c2e1d764593c4ae73bfff057b1de5b0655aa7e48d9559f9b7d95c

    SHA512

    44d4c7d99a6492c1191c2fda499bf6c0cfeef8bb77e2d5b88460293d3d1c32791fa85790fba8c1400824465624f05e1d333fc7cb141cf31087d2ef69e9b33551

  • memory/364-0-0x0000000000810000-0x0000000000890000-memory.dmp

    Filesize

    512KB

  • memory/364-1-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/364-2-0x0000000004D40000-0x0000000004D80000-memory.dmp

    Filesize

    256KB

  • memory/364-3-0x0000000000460000-0x0000000000468000-memory.dmp

    Filesize

    32KB

  • memory/364-4-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/364-5-0x0000000004D40000-0x0000000004D80000-memory.dmp

    Filesize

    256KB

  • memory/364-6-0x0000000005BE0000-0x0000000005C68000-memory.dmp

    Filesize

    544KB

  • memory/364-7-0x00000000048D0000-0x0000000004910000-memory.dmp

    Filesize

    256KB

  • memory/364-28-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/1608-13-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1608-15-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1608-17-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1608-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1608-21-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1608-25-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1608-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1608-26-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/1608-27-0x00000000049F0000-0x0000000004A30000-memory.dmp

    Filesize

    256KB

  • memory/1608-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1608-29-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/1608-30-0x00000000049F0000-0x0000000004A30000-memory.dmp

    Filesize

    256KB