Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24/03/2024, 03:24

General

  • Target

    8e00826760dc9f5c25a3b538ba87d656c76b645135abf11bd55f5de81fc4273c.exe

  • Size

    545KB

  • MD5

    af7981a2ac42f21ac4820f14bbb294b2

  • SHA1

    51d83fde26f84015365231c9526cc26adf2e3bf0

  • SHA256

    8e00826760dc9f5c25a3b538ba87d656c76b645135abf11bd55f5de81fc4273c

  • SHA512

    866320fc0b724695cfa9e1abf2f673ab48150bdab109f30106bd838ca3ba6aa5e50eb554e217e2bec974065a5a0ecb735d65abc5c8493abe1d14537ca73c1ef1

  • SSDEEP

    6144:lp+ggeIHjncXksyUHxAqJ1LGmg8EmDu7dRQ26RihUvqhEYGZtrLBU91BscRt1y/n:7XYvfs1c8JGRQ2UicttUjy82Ki5p

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e00826760dc9f5c25a3b538ba87d656c76b645135abf11bd55f5de81fc4273c.exe
    "C:\Users\Admin\AppData\Local\Temp\8e00826760dc9f5c25a3b538ba87d656c76b645135abf11bd55f5de81fc4273c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Program Files (x86)\windows mail\wab.exe
      "C:\Users\Admin\AppData\Local\Temp\8e00826760dc9f5c25a3b538ba87d656c76b645135abf11bd55f5de81fc4273c.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:2536

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\nsy210A.tmp\System.dll

          Filesize

          11KB

          MD5

          75ed96254fbf894e42058062b4b4f0d1

          SHA1

          996503f1383b49021eb3427bc28d13b5bbd11977

          SHA256

          a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

          SHA512

          58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

        • memory/2004-15-0x0000000004040000-0x0000000004F70000-memory.dmp

          Filesize

          15.2MB

        • memory/2004-10-0x0000000004040000-0x0000000004F70000-memory.dmp

          Filesize

          15.2MB

        • memory/2004-11-0x00000000770C0000-0x0000000077269000-memory.dmp

          Filesize

          1.7MB

        • memory/2004-12-0x00000000772B0000-0x0000000077386000-memory.dmp

          Filesize

          856KB

        • memory/2004-13-0x0000000074B20000-0x0000000074B26000-memory.dmp

          Filesize

          24KB

        • memory/2004-28-0x0000000004040000-0x0000000004F70000-memory.dmp

          Filesize

          15.2MB

        • memory/2536-16-0x00000000770C0000-0x0000000077269000-memory.dmp

          Filesize

          1.7MB

        • memory/2536-17-0x00000000772E6000-0x00000000772E7000-memory.dmp

          Filesize

          4KB

        • memory/2536-19-0x00000000772B0000-0x0000000077386000-memory.dmp

          Filesize

          856KB

        • memory/2536-20-0x0000000000400000-0x0000000000581000-memory.dmp

          Filesize

          1.5MB

        • memory/2536-21-0x00000000009D0000-0x0000000001900000-memory.dmp

          Filesize

          15.2MB

        • memory/2536-23-0x00000000770C0000-0x0000000077269000-memory.dmp

          Filesize

          1.7MB

        • memory/2536-14-0x00000000009D0000-0x0000000001900000-memory.dmp

          Filesize

          15.2MB