Analysis

  • max time kernel
    122s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2023, 08:36

General

  • Target

    file.exe

  • Size

    677KB

  • MD5

    d6777b28b0ce787b1e5f82038e6df85c

  • SHA1

    8a2f0361790cff8a442127f396e5f12bfba5a20d

  • SHA256

    5f4e4d9502a04dbe80b03c7005b05197998b15f93a5198976b470284b113c8f3

  • SHA512

    5f2c79999b398471add5e6ae6cab04c555e400278eb9727500d9128de36a43768ccb1f724001a71863e64c8f7de4a9c3f93ce56a242917f1a59f07dff628d7e2

  • SSDEEP

    12288:pNYpPhOBcGwizu8t0N6BCpF7O8URXbTudwJ4bOSJ/Jdy2jygzOdMeNcHNmPzR/Xp:zwVipzBC

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Loads dropped DLL 2 IoCs
  • 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
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1864
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP\OfficeTrackerNMP.exe" /tn "OfficeTrackerNMP HR" /sc HOURLY /rl HIGHEST
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP\OfficeTrackerNMP.exe" /tn "OfficeTrackerNMP HR" /sc HOURLY /rl HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:2792
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP\OfficeTrackerNMP.exe" /tn "OfficeTrackerNMP LG" /sc ONLOGON /rl HIGHEST
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2816
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP\OfficeTrackerNMP.exe" /tn "OfficeTrackerNMP LG" /sc ONLOGON /rl HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:2648

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\OfficeTrackerNMP\OfficeTrackerNMP.exe

          Filesize

          677KB

          MD5

          d6777b28b0ce787b1e5f82038e6df85c

          SHA1

          8a2f0361790cff8a442127f396e5f12bfba5a20d

          SHA256

          5f4e4d9502a04dbe80b03c7005b05197998b15f93a5198976b470284b113c8f3

          SHA512

          5f2c79999b398471add5e6ae6cab04c555e400278eb9727500d9128de36a43768ccb1f724001a71863e64c8f7de4a9c3f93ce56a242917f1a59f07dff628d7e2

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          d8189116fd73394a5a0d5df15f2bc493

          SHA1

          f8540e82baa09dd9a3122a6ae0a21e17ab5344c2

          SHA256

          2670ec30def95e64c0966d407ca3d8e1b321bd8a1772773118096c8a542c9b84

          SHA512

          92f5c454106ccf2c30a39b5d864fda4ba9cb3c5bacb60d26182533af7c6c061057035b3dc81f0d83e8db6d1a26b2b389438c22e6f1a718fbf198af19f79a3550

        • C:\Users\Admin\AppData\Local\Temp\Cab3B2E.tmp

          Filesize

          61KB

          MD5

          f3441b8572aae8801c04f3060b550443

          SHA1

          4ef0a35436125d6821831ef36c28ffaf196cda15

          SHA256

          6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

          SHA512

          5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

        • C:\Users\Admin\AppData\Local\Temp\Tar3BCD.tmp

          Filesize

          163KB

          MD5

          9441737383d21192400eca82fda910ec

          SHA1

          725e0d606a4fc9ba44aa8ffde65bed15e65367e4

          SHA256

          bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

          SHA512

          7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

        • \Users\Admin\AppData\Local\Temp\FANBooster\FANBooster.exe

          Filesize

          677KB

          MD5

          d6777b28b0ce787b1e5f82038e6df85c

          SHA1

          8a2f0361790cff8a442127f396e5f12bfba5a20d

          SHA256

          5f4e4d9502a04dbe80b03c7005b05197998b15f93a5198976b470284b113c8f3

          SHA512

          5f2c79999b398471add5e6ae6cab04c555e400278eb9727500d9128de36a43768ccb1f724001a71863e64c8f7de4a9c3f93ce56a242917f1a59f07dff628d7e2

        • \Users\Admin\AppData\Local\Temp\tempAVSsqhiEaBDaeri\sqlite3.dll

          Filesize

          791KB

          MD5

          0fe0a178f711b623a8897e4b0bb040d1

          SHA1

          01ea412aeab3d331f825d93d7ee1f5fa6d3c46e6

          SHA256

          0c7cd52abdb6eb3e556d81caac398a127495e4a251ef600e6505a81385a1982d

          SHA512

          6c53c489c4464b9dc9a5dd31c48bb4afa65f7d6df9cc71e705cea2074ebd5e249cad4894eac6f6b308b3574633bc6e1706dfc5fda5f46c27f1e37d21e65fbc54

        • memory/1864-0-0x00000000003F0000-0x00000000004A0000-memory.dmp

          Filesize

          704KB

        • memory/1864-1-0x0000000074A40000-0x000000007512E000-memory.dmp

          Filesize

          6.9MB

        • memory/1864-2-0x0000000002200000-0x0000000002240000-memory.dmp

          Filesize

          256KB

        • memory/1864-114-0x0000000074A40000-0x000000007512E000-memory.dmp

          Filesize

          6.9MB

        • memory/1864-115-0x0000000002200000-0x0000000002240000-memory.dmp

          Filesize

          256KB

        • memory/1864-117-0x0000000074A40000-0x000000007512E000-memory.dmp

          Filesize

          6.9MB