Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2024 20:02

General

  • Target

    2hhirnfCjjGLDeS.exe

  • Size

    648KB

  • MD5

    f8cf1a175b28df39dd71bf8904d55786

  • SHA1

    bdfb0854aad8206d67884c60ac00d7f357c76e31

  • SHA256

    fffe5a14638b46fd06a74d0004b98d96a72a411ae2551c8d1665991107542b69

  • SHA512

    79a16cd0947892278be14ede6425b5087a187e566756de4e858b82cf82b7ea3b844faabd672dce570e74874613afdfe5192a07ec96a2d287f60d1a72d29f2a8e

  • SSDEEP

    12288:J/SG3yw9EAARdYiQxnnvTTmeohR6+WsvanFf9MNq128bQb:J/biW9ARdynLT3Qynbt1FI

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    %qroUozO;(C2Rlyb

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 3 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2hhirnfCjjGLDeS.exe
    "C:\Users\Admin\AppData\Local\Temp\2hhirnfCjjGLDeS.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1752
    • 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\2hhirnfCjjGLDeS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:544
    • C:\Users\Admin\AppData\Local\Temp\2hhirnfCjjGLDeS.exe
      "C:\Users\Admin\AppData\Local\Temp\2hhirnfCjjGLDeS.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2hhirnfCjjGLDeS.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x5o4vupk.ubw.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/544-51-0x00000000075B0000-0x00000000075BA000-memory.dmp

    Filesize

    40KB

  • memory/544-49-0x0000000007B90000-0x000000000820A000-memory.dmp

    Filesize

    6.5MB

  • memory/544-33-0x0000000005E70000-0x00000000061C4000-memory.dmp

    Filesize

    3.3MB

  • memory/544-61-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/544-58-0x0000000007860000-0x0000000007868000-memory.dmp

    Filesize

    32KB

  • memory/544-57-0x0000000007880000-0x000000000789A000-memory.dmp

    Filesize

    104KB

  • memory/544-56-0x0000000007780000-0x0000000007794000-memory.dmp

    Filesize

    80KB

  • memory/544-55-0x0000000007770000-0x000000000777E000-memory.dmp

    Filesize

    56KB

  • memory/544-53-0x0000000007740000-0x0000000007751000-memory.dmp

    Filesize

    68KB

  • memory/544-52-0x00000000077C0000-0x0000000007856000-memory.dmp

    Filesize

    600KB

  • memory/544-50-0x0000000007540000-0x000000000755A000-memory.dmp

    Filesize

    104KB

  • memory/544-34-0x0000000006210000-0x000000000622E000-memory.dmp

    Filesize

    120KB

  • memory/544-28-0x0000000005B60000-0x0000000005BC6000-memory.dmp

    Filesize

    408KB

  • memory/544-16-0x0000000004CA0000-0x0000000004CD6000-memory.dmp

    Filesize

    216KB

  • memory/544-48-0x0000000007210000-0x00000000072B3000-memory.dmp

    Filesize

    652KB

  • memory/544-18-0x0000000005310000-0x0000000005938000-memory.dmp

    Filesize

    6.2MB

  • memory/544-20-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/544-19-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/544-47-0x00000000071E0000-0x00000000071FE000-memory.dmp

    Filesize

    120KB

  • memory/544-22-0x0000000005AC0000-0x0000000005AE2000-memory.dmp

    Filesize

    136KB

  • memory/544-37-0x0000000070A80000-0x0000000070ACC000-memory.dmp

    Filesize

    304KB

  • memory/544-36-0x00000000067F0000-0x0000000006822000-memory.dmp

    Filesize

    200KB

  • memory/544-35-0x0000000006400000-0x000000000644C000-memory.dmp

    Filesize

    304KB

  • memory/1752-9-0x00000000089C0000-0x0000000008A44000-memory.dmp

    Filesize

    528KB

  • memory/1752-1-0x00000000002C0000-0x0000000000368000-memory.dmp

    Filesize

    672KB

  • memory/1752-3-0x0000000004D90000-0x0000000004E22000-memory.dmp

    Filesize

    584KB

  • memory/1752-5-0x0000000004D60000-0x0000000004D6A000-memory.dmp

    Filesize

    40KB

  • memory/1752-6-0x00000000050F0000-0x0000000005102000-memory.dmp

    Filesize

    72KB

  • memory/1752-4-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1752-14-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1752-2-0x00000000052A0000-0x0000000005844000-memory.dmp

    Filesize

    5.6MB

  • memory/1752-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

    Filesize

    4KB

  • memory/1752-7-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

    Filesize

    4KB

  • memory/1752-10-0x000000000B250000-0x000000000B2EC000-memory.dmp

    Filesize

    624KB

  • memory/1752-8-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2496-17-0x0000000005480000-0x00000000054E6000-memory.dmp

    Filesize

    408KB

  • memory/2496-54-0x0000000006A90000-0x0000000006AE0000-memory.dmp

    Filesize

    320KB

  • memory/2496-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2496-21-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2496-15-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2496-62-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2496-63-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB