Analysis

  • max time kernel
    150s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 09:02

General

  • Target

    73371a04380683a8c5e28e73f8a74b604441f445ae898bdcd25f364c39b34c15.exe

  • Size

    408KB

  • MD5

    a99a3908f39c9938c93a645ed8a00211

  • SHA1

    1cb84a1cc3d9e3caedc95c59910fc41e9da50cff

  • SHA256

    73371a04380683a8c5e28e73f8a74b604441f445ae898bdcd25f364c39b34c15

  • SHA512

    fee46cb29bd3f3cc682c34ddae08ae3574be34a7107eebabefdee12d100a9feda4bae408062d2fb99a37294b436a187be44f6b8312c6bb81276f619196e978fb

  • SSDEEP

    12288:VojzsKXS4wpRVSVQfNWf2GE5XafzJIMo6mRojzsKki:eYNpj+oXafz/mqY3i

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Executes dropped EXE 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73371a04380683a8c5e28e73f8a74b604441f445ae898bdcd25f364c39b34c15.exe
    "C:\Users\Admin\AppData\Local\Temp\73371a04380683a8c5e28e73f8a74b604441f445ae898bdcd25f364c39b34c15.exe"
    1⤵
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Users\Admin\AppData\Local\Temp\Binded_71672.exe
      "C:\Users\Admin\AppData\Local\Temp\Binded_71672.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      PID:820

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Binded_71672.exe
    Filesize

    31KB

    MD5

    f897f903e4942678ec765a31eda224fb

    SHA1

    dbd82191f21b95abb8db284950059950d4bb780d

    SHA256

    8833df32992ef03eb51c3aec5354be775f15ebdfba9016f1156222b3a7145091

    SHA512

    67a24c55fac905f185658caef3ee2007860546454c624942d85f739612e56ebeb0edd53b91e872693c5adee86b0fa2c35352cf5d57545a7c109791aa60a4c873

  • C:\Users\Admin\AppData\Local\Temp\Binded_71672.exe
    Filesize

    31KB

    MD5

    f897f903e4942678ec765a31eda224fb

    SHA1

    dbd82191f21b95abb8db284950059950d4bb780d

    SHA256

    8833df32992ef03eb51c3aec5354be775f15ebdfba9016f1156222b3a7145091

    SHA512

    67a24c55fac905f185658caef3ee2007860546454c624942d85f739612e56ebeb0edd53b91e872693c5adee86b0fa2c35352cf5d57545a7c109791aa60a4c873

  • \Users\Admin\AppData\Local\Temp\Binded_71672.exe
    Filesize

    31KB

    MD5

    f897f903e4942678ec765a31eda224fb

    SHA1

    dbd82191f21b95abb8db284950059950d4bb780d

    SHA256

    8833df32992ef03eb51c3aec5354be775f15ebdfba9016f1156222b3a7145091

    SHA512

    67a24c55fac905f185658caef3ee2007860546454c624942d85f739612e56ebeb0edd53b91e872693c5adee86b0fa2c35352cf5d57545a7c109791aa60a4c873

  • memory/820-56-0x0000000000000000-mapping.dmp
  • memory/820-59-0x0000000001120000-0x0000000001130000-memory.dmp
    Filesize

    64KB

  • memory/820-62-0x0000000004C55000-0x0000000004C66000-memory.dmp
    Filesize

    68KB

  • memory/1268-54-0x00000000757A1000-0x00000000757A3000-memory.dmp
    Filesize

    8KB

  • memory/1268-60-0x0000000074270000-0x000000007481B000-memory.dmp
    Filesize

    5.7MB

  • memory/1268-63-0x0000000074270000-0x000000007481B000-memory.dmp
    Filesize

    5.7MB