Overview

overview

10

Static

static

3

4221c81003...cf.exe

windows7-x64

10

4221c81003...cf.exe

windows10-2004-x64

8

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/12/2024, 02:15

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General

  • Target

    4221c81003cc28d54d32c79e648174781b9b01091b40fbeeff41dfc1e3ed67cf.exe

  • Size

    1.1MB

  • MD5

    a960ccb51d71f03c5007ef4d3f43d0f4

  • SHA1

    89ceba1e59076fbf61cb9665205e07f88b579dd0

  • SHA256

    4221c81003cc28d54d32c79e648174781b9b01091b40fbeeff41dfc1e3ed67cf

  • SHA512

    7ecdbeec9e0eccd5c1e1fa1e453106fc38b440ca24d1d7af414fb0bd208e4cd19f03c1549240782b14db7e1a5b45cd358f5600e43503e0ef236fed198b1244c8

  • SSDEEP

    24576:op7xzos/n1G9wKlc7il3VokalwuLTYz046T:Sxzog1GPSMSkaCBzC

Score
8/10
collectiondiscoveryevasionspywarestealer

Malware Config

Signatures

  • Disables Task Manager via registry modification
    evasion
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 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 2 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4221c81003cc28d54d32c79e648174781b9b01091b40fbeeff41dfc1e3ed67cf.exe
    "C:\Users\Admin\AppData\Local\Temp\4221c81003cc28d54d32c79e648174781b9b01091b40fbeeff41dfc1e3ed67cf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Users\Admin\AppData\Local\Temp\4221c81003cc28d54d32c79e648174781b9b01091b40fbeeff41dfc1e3ed67cf.exe
      "C:\Users\Admin\AppData\Local\Temp\4221c81003cc28d54d32c79e648174781b9b01091b40fbeeff41dfc1e3ed67cf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4608

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\nsrB131.tmp\System.dll
          Filesize

          11KB

          MD5

          17ed1c86bd67e78ade4712be48a7d2bd

          SHA1

          1cc9fe86d6d6030b4dae45ecddce5907991c01a0

          SHA256

          bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

          SHA512

          0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

          Download Submit

        • memory/1468-15-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp

          Filesize

          2.0MB

          Download

        • memory/4608-16-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp

          Filesize

          2.0MB

          Download

        • memory/4608-18-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp

          Filesize

          2.0MB

          Download

        • memory/4608-17-0x00000000004C0000-0x0000000001714000-memory.dmp

          Filesize

          18.3MB

          Download

        • memory/4608-32-0x00000000004C0000-0x0000000001714000-memory.dmp

          Filesize

          18.3MB

          Download

        • memory/4608-33-0x00000000004C0000-0x00000000004DE000-memory.dmp

          Filesize

          120KB

          Download

        • memory/4608-34-0x0000000036A10000-0x0000000036FB4000-memory.dmp

          Filesize

          5.6MB

          Download

        • memory/4608-35-0x0000000036830000-0x00000000368CC000-memory.dmp

          Filesize

          624KB

          Download

        • memory/4608-38-0x0000000034180000-0x0000000034212000-memory.dmp

          Filesize

          584KB

          Download

        • memory/4608-39-0x0000000034220000-0x0000000034270000-memory.dmp

          Filesize

          320KB

          Download

        • memory/4608-41-0x00000000374B0000-0x0000000037672000-memory.dmp

          Filesize

          1.8MB

          Download

        • memory/4608-42-0x00000000376C0000-0x00000000376CA000-memory.dmp

          Filesize

          40KB

          Download