Analysis

  • max time kernel
    152s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2022 15:40

General

  • Target

    5c1948c5c0c236f1a657d173ab6f85225860459eb30001050da73e9990990818.exe

  • Size

    540KB

  • MD5

    1180625c9860111880fcd595f197332d

  • SHA1

    2366ae74cc62a03b5a77de4e2241b74409a3e42a

  • SHA256

    5c1948c5c0c236f1a657d173ab6f85225860459eb30001050da73e9990990818

  • SHA512

    b2f48683848b250ea61d63ef002d3a8e7086146ed99d52b43ea04acd836a7a3efd6210db76275ec61646bdf3c9ffcca7488f1a66872ea4f21490643b35437948

Malware Config

Signatures

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c1948c5c0c236f1a657d173ab6f85225860459eb30001050da73e9990990818.exe
    "C:\Users\Admin\AppData\Local\Temp\5c1948c5c0c236f1a657d173ab6f85225860459eb30001050da73e9990990818.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\5c1948c5c0c236f1a657d173ab6f85225860459eb30001050da73e9990990818.exe
      "C:\Users\Admin\AppData\Local\Temp\5c1948c5c0c236f1a657d173ab6f85225860459eb30001050da73e9990990818.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4360

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\5c1948c5c0c236f1a657d173ab6f85225860459eb30001050da73e9990990818.exe.log

    Filesize

    313B

    MD5

    00b72ea3d569eb0d4fb85691b642f47c

    SHA1

    f9134a33706eb76ddb00e5276639d660a071da9b

    SHA256

    cd62d4fbf8b135be5c0b8448a7d53db7784869761a10ec99473f58f44d8e686c

    SHA512

    62af7608834d84fa95470247cab4bfa5a382825f81e9918b762e62dfc6c467e7b50cfb5b2fd36eff1da320e22aa8c1427c02820e06d9f2f6483e64740a43e8df

  • memory/2268-130-0x00000000749D0000-0x0000000074F81000-memory.dmp

    Filesize

    5.7MB

  • memory/2268-131-0x00000000749D0000-0x0000000074F81000-memory.dmp

    Filesize

    5.7MB

  • memory/2268-135-0x00000000749D0000-0x0000000074F81000-memory.dmp

    Filesize

    5.7MB

  • memory/4360-133-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/4360-136-0x00000000749D0000-0x0000000074F81000-memory.dmp

    Filesize

    5.7MB

  • memory/4360-137-0x00000000749D0000-0x0000000074F81000-memory.dmp

    Filesize

    5.7MB