Resubmissions

10-05-2024 16:25

240510-tw1h5shh47 10

24-08-2023 11:16

230824-nda8msdf8z 10

05-08-2023 22:52

230805-2tn2bsfa82 10

24-07-2023 06:25

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22-07-2023 15:57

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20-07-2023 23:19

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20-07-2023 23:06

230720-23f23sba63 10

03-02-2021 11:43

210203-6bgge2nfan 10

Analysis

  • max time kernel
    143s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 16:25

General

  • Target

    2019-09-02_22-41-10.exe

  • Size

    251KB

  • MD5

    924aa6c26f6f43e0893a40728eac3b32

  • SHA1

    baa9b4c895b09d315ed747b3bd087f4583aa84fc

  • SHA256

    30f9db1f5838abb6c1580fdfb7f5dcfd7c2ac8cfac50c2edd0c8415d66212c95

  • SHA512

    3cb6fd659aff46eaa62b0e647ccebeecb070ba0bb27e1cc037b33caf23c417e75f476e1c08e1b5f3b232c4640995ae5afa43bfd09252d318fe5eec0d18de830a

  • SSDEEP

    6144:2E5sHpScP2xeQhp4wGoqPKNDF50AsurB:PsHIiQv4gBNDFiTuF

Malware Config

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2019-09-02_22-41-10.exe
    "C:\Users\Admin\AppData\Local\Temp\2019-09-02_22-41-10.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4200
    • C:\Users\Admin\AppData\Local\Temp\2019-09-02_22-41-10.exe
      "C:\Users\Admin\AppData\Local\Temp\2019-09-02_22-41-10.exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      PID:1784

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\D47F.tmp
    Filesize

    1.6MB

    MD5

    4f3387277ccbd6d1f21ac5c07fe4ca68

    SHA1

    e16506f662dc92023bf82def1d621497c8ab5890

    SHA256

    767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

    SHA512

    9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

  • memory/1784-3-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/1784-8-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/4200-1-0x0000000000A20000-0x0000000000B20000-memory.dmp
    Filesize

    1024KB

  • memory/4200-2-0x0000000000940000-0x000000000094B000-memory.dmp
    Filesize

    44KB