Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 13:50

General

  • Target

    6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe

  • Size

    550KB

  • MD5

    b86889a778d341f384651c5950f65a47

  • SHA1

    3953603b47411e8c0b3c3906fdfad2dca66aad6b

  • SHA256

    6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40

  • SHA512

    4e044a5db64940a21825a597e3c45090f06e8e54b1dfcdd2d6e68054c2d1ea4caa6b14d7f99dfef0431e81ed5f587275a21ed54ac0c2b8dcbc84f9daf3fefacb

  • SSDEEP

    6144:jcqPlAc2jHc2j5c2pe0xVO7JpyTaeDLzjFVKIhzcwOBflXEY+2kx+YRtWel2H+j:jcqd+xVO7Jw3FV5zoflXEY+F7D4XXE

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.darnfoss.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    QhMzMMh0

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe
    "C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:224
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1568
    • C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe
      "C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5iewuoi3.xgl.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/224-6-0x0000000005690000-0x00000000056A4000-memory.dmp

    Filesize

    80KB

  • memory/224-2-0x0000000005980000-0x0000000005F24000-memory.dmp

    Filesize

    5.6MB

  • memory/224-3-0x0000000005270000-0x0000000005302000-memory.dmp

    Filesize

    584KB

  • memory/224-4-0x0000000002D70000-0x0000000002D80000-memory.dmp

    Filesize

    64KB

  • memory/224-5-0x0000000005250000-0x000000000525A000-memory.dmp

    Filesize

    40KB

  • memory/224-20-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/224-7-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/224-8-0x0000000002D70000-0x0000000002D80000-memory.dmp

    Filesize

    64KB

  • memory/224-9-0x00000000067D0000-0x000000000686C000-memory.dmp

    Filesize

    624KB

  • memory/224-10-0x0000000006AD0000-0x0000000006B40000-memory.dmp

    Filesize

    448KB

  • memory/224-11-0x0000000006C90000-0x0000000006CF6000-memory.dmp

    Filesize

    408KB

  • memory/224-0-0x00000000007B0000-0x0000000000840000-memory.dmp

    Filesize

    576KB

  • memory/224-1-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1568-51-0x0000000006D80000-0x0000000006D9A000-memory.dmp

    Filesize

    104KB

  • memory/1568-54-0x0000000006F80000-0x0000000006F91000-memory.dmp

    Filesize

    68KB

  • memory/1568-16-0x0000000004C70000-0x0000000005298000-memory.dmp

    Filesize

    6.2MB

  • memory/1568-62-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1568-59-0x00000000070A0000-0x00000000070A8000-memory.dmp

    Filesize

    32KB

  • memory/1568-14-0x0000000004630000-0x0000000004640000-memory.dmp

    Filesize

    64KB

  • memory/1568-21-0x0000000004AA0000-0x0000000004AC2000-memory.dmp

    Filesize

    136KB

  • memory/1568-13-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1568-58-0x00000000070C0000-0x00000000070DA000-memory.dmp

    Filesize

    104KB

  • memory/1568-28-0x00000000052A0000-0x0000000005306000-memory.dmp

    Filesize

    408KB

  • memory/1568-33-0x00000000055D0000-0x0000000005924000-memory.dmp

    Filesize

    3.3MB

  • memory/1568-34-0x0000000005A70000-0x0000000005A8E000-memory.dmp

    Filesize

    120KB

  • memory/1568-35-0x0000000005AC0000-0x0000000005B0C000-memory.dmp

    Filesize

    304KB

  • memory/1568-36-0x0000000004630000-0x0000000004640000-memory.dmp

    Filesize

    64KB

  • memory/1568-37-0x0000000006040000-0x0000000006072000-memory.dmp

    Filesize

    200KB

  • memory/1568-38-0x0000000070D90000-0x0000000070DDC000-memory.dmp

    Filesize

    304KB

  • memory/1568-48-0x0000000006010000-0x000000000602E000-memory.dmp

    Filesize

    120KB

  • memory/1568-49-0x0000000006C50000-0x0000000006CF3000-memory.dmp

    Filesize

    652KB

  • memory/1568-50-0x00000000073C0000-0x0000000007A3A000-memory.dmp

    Filesize

    6.5MB

  • memory/1568-12-0x0000000002150000-0x0000000002186000-memory.dmp

    Filesize

    216KB

  • memory/1568-52-0x0000000006DF0000-0x0000000006DFA000-memory.dmp

    Filesize

    40KB

  • memory/1568-53-0x0000000007000000-0x0000000007096000-memory.dmp

    Filesize

    600KB

  • memory/1568-15-0x0000000004630000-0x0000000004640000-memory.dmp

    Filesize

    64KB

  • memory/1568-55-0x0000000006FB0000-0x0000000006FBE000-memory.dmp

    Filesize

    56KB

  • memory/1568-56-0x0000000006FC0000-0x0000000006FD4000-memory.dmp

    Filesize

    80KB

  • memory/4984-57-0x0000000005350000-0x0000000005368000-memory.dmp

    Filesize

    96KB

  • memory/4984-24-0x0000000005000000-0x0000000005010000-memory.dmp

    Filesize

    64KB

  • memory/4984-19-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-17-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4984-63-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-64-0x0000000005000000-0x0000000005010000-memory.dmp

    Filesize

    64KB

  • memory/4984-65-0x0000000005FE0000-0x0000000006030000-memory.dmp

    Filesize

    320KB