Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 07:12

General

  • Target

    302814Q.xlam

  • Size

    684KB

  • MD5

    dd1745650a50384acb3e3d18f640f6ae

  • SHA1

    aa7c92503314baf176c6972fb0e9eb69eeac8ce7

  • SHA256

    777ffc7e8f61be4b407f8acf15f6338d6a299c8fa89284c62528b0c00d443ae1

  • SHA512

    d4a6e8f1e861a236898fcb41c15e7013263f7acb7e22f9f15c00661d4c4a91712c004c3dbe955bd9d98a9558a6818d6c2659af750ef28e42be43ed832d09dc01

  • SSDEEP

    12288:ninWwmPuLCPZs6cygqu3EYgH0eDpTjyLEu3oJDyIaj5LiuR:irCPkyzYgH0iwAu4J1uR

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.awelleh3.top
  • Port:
    587
  • Username:
    servermaly19@awelleh3.top
  • Password:
    &tif9QnG8%~R
  • Email To:
    maly98@awelleh3.top

Signatures

  • AgentTesla

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

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

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

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\302814Q.xlam
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1176
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Loads dropped DLL
    • Launches Equation Editor
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Users\Admin\AppData\Roaming\HJI.exe
      "C:\Users\Admin\AppData\Roaming\HJI.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Roaming\HJI.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2004

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Roaming\HJI.exe
    Filesize

    863KB

    MD5

    ae4d18ea556b690302eac740792e2e55

    SHA1

    3187cc211bb49f7cbd88ecc03cdd29ffb2614c58

    SHA256

    3ae7a3261dea6122f2df7f37624ffa760449c8ed90ef58f056be1de0522580fe

    SHA512

    ca09347b22a3704d296236c0631888cecee0bef2a490abfa7f9e073f5a8db5301e084aab77f3767fbe7bc96dc48e9dbfc2e83ed3c20ef76acb991ecabf93e9a8

  • memory/1176-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1176-1-0x000000007285D000-0x0000000072868000-memory.dmp
    Filesize

    44KB

  • memory/1176-37-0x000000007285D000-0x0000000072868000-memory.dmp
    Filesize

    44KB

  • memory/1176-36-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1176-32-0x000000007285D000-0x0000000072868000-memory.dmp
    Filesize

    44KB

  • memory/2004-21-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/2004-24-0x000000006C610000-0x000000006CCFE000-memory.dmp
    Filesize

    6.9MB

  • memory/2004-25-0x0000000000B00000-0x0000000000B40000-memory.dmp
    Filesize

    256KB

  • memory/2004-23-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/2004-33-0x000000006C610000-0x000000006CCFE000-memory.dmp
    Filesize

    6.9MB

  • memory/2004-34-0x0000000000B00000-0x0000000000B40000-memory.dmp
    Filesize

    256KB

  • memory/2004-19-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/2728-18-0x00000000003E0000-0x00000000003E4000-memory.dmp
    Filesize

    16KB