Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 01:19

General

  • Target

    aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e.exe

  • Size

    622KB

  • MD5

    86eb33340da5adfa46c9ebab4e288f23

  • SHA1

    c8a8b2182f891f12657441c496a607ceaaab04cb

  • SHA256

    aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e

  • SHA512

    b4014a13291b73d804662cdfe6256a903a2ea84ab15c69ac1ea6c60b116a8270c6b46608382795b7edfdcd1c97accfe0ba02776651942b46ed5e6779ae978042

  • SSDEEP

    12288:Ga5W3ob2VFy7sPI2jiYhYtq0PQq+ehYumYRcgDJHjP2TeGsKfSqL3Z/wMTe+sU0:C39Fy7sPI2jN4q/JuDRcCpKfXRwseL

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e.exe
    "C:\Users\Admin\AppData\Local\Temp\aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KGbIDDRtKVufbq.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KGbIDDRtKVufbq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8E7A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2664
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2056

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8E7A.tmp
    Filesize

    1KB

    MD5

    6b3adda421e7ce5a7f54b258b82ac838

    SHA1

    d928db32de786f8a2135480bc22703a5c37d7366

    SHA256

    6adfd52b366626c298f31c6a366df6a37d4e61460dbe5e869d127115c262108e

    SHA512

    11abe0debd6f301e3029eb456ca423fd7057a3869e310e4d03e49976263abd6f6d00aed8c2ae2e489fdd5cdaabd716d24e6fe025425a06c5afb09925eb764ed9

  • memory/2056-17-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/2056-31-0x00000000745A0000-0x0000000074C8E000-memory.dmp
    Filesize

    6.9MB

  • memory/2056-18-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2056-13-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2056-14-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2056-26-0x00000000745A0000-0x0000000074C8E000-memory.dmp
    Filesize

    6.9MB

  • memory/2056-21-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2056-23-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2056-15-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2056-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2092-5-0x0000000005120000-0x00000000051A2000-memory.dmp
    Filesize

    520KB

  • memory/2092-2-0x0000000004F50000-0x0000000004F90000-memory.dmp
    Filesize

    256KB

  • memory/2092-0-0x0000000000250000-0x00000000002F0000-memory.dmp
    Filesize

    640KB

  • memory/2092-20-0x00000000745A0000-0x0000000074C8E000-memory.dmp
    Filesize

    6.9MB

  • memory/2092-1-0x00000000745A0000-0x0000000074C8E000-memory.dmp
    Filesize

    6.9MB

  • memory/2092-3-0x0000000000440000-0x0000000000452000-memory.dmp
    Filesize

    72KB

  • memory/2092-4-0x0000000000490000-0x000000000049C000-memory.dmp
    Filesize

    48KB

  • memory/2624-28-0x00000000027B0000-0x00000000027F0000-memory.dmp
    Filesize

    256KB

  • memory/2624-25-0x000000006E9E0000-0x000000006EF8B000-memory.dmp
    Filesize

    5.7MB

  • memory/2624-27-0x00000000027B0000-0x00000000027F0000-memory.dmp
    Filesize

    256KB

  • memory/2624-29-0x00000000027B0000-0x00000000027F0000-memory.dmp
    Filesize

    256KB

  • memory/2624-30-0x000000006E9E0000-0x000000006EF8B000-memory.dmp
    Filesize

    5.7MB

  • memory/2624-24-0x000000006E9E0000-0x000000006EF8B000-memory.dmp
    Filesize

    5.7MB