Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 03:41

General

  • Target

    cb076958b9db298f34a9eeaafc4796f6d902b19b1696b76179db10612d371608.exe

  • Size

    710KB

  • MD5

    1e4847dd3c262a4303261601f0197a42

  • SHA1

    eaa9a7dbdf8211dbe248b739480e349c0fb56583

  • SHA256

    cb076958b9db298f34a9eeaafc4796f6d902b19b1696b76179db10612d371608

  • SHA512

    76620c6decf9b5ae48ddf5eda391081d568a0de7e6d87c814040614000d9b1f989466ec8a8ea9395dd45ea927a77c2f3bc848bf8910ad578bef31299801b312d

  • SSDEEP

    12288:xlYZmcRHOAXnPlX1V6loPrHA8P4xq0xnVBTjJ:UmcdOA3PlXularHbP4xfxPJ

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb076958b9db298f34a9eeaafc4796f6d902b19b1696b76179db10612d371608.exe
    "C:\Users\Admin\AppData\Local\Temp\cb076958b9db298f34a9eeaafc4796f6d902b19b1696b76179db10612d371608.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\cb076958b9db298f34a9eeaafc4796f6d902b19b1696b76179db10612d371608.exe
      "C:\Users\Admin\AppData\Local\Temp\cb076958b9db298f34a9eeaafc4796f6d902b19b1696b76179db10612d371608.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsyC718.tmp\System.dll

    Filesize

    11KB

    MD5

    fc90dfb694d0e17b013d6f818bce41b0

    SHA1

    3243969886d640af3bfa442728b9f0dff9d5f5b0

    SHA256

    7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528

    SHA512

    324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

  • memory/1640-15-0x0000000003360000-0x000000000662D000-memory.dmp

    Filesize

    50.8MB

  • memory/1640-17-0x0000000077200000-0x00000000773A9000-memory.dmp

    Filesize

    1.7MB

  • memory/1640-16-0x0000000077201000-0x0000000077302000-memory.dmp

    Filesize

    1.0MB

  • memory/1640-18-0x0000000003360000-0x000000000662D000-memory.dmp

    Filesize

    50.8MB

  • memory/2380-38-0x00000000004B0000-0x0000000001512000-memory.dmp

    Filesize

    16.4MB

  • memory/2380-39-0x00000000004B0000-0x0000000001512000-memory.dmp

    Filesize

    16.4MB

  • memory/2380-40-0x00000000004B0000-0x00000000004CE000-memory.dmp

    Filesize

    120KB