Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-03-2024 11:38

General

  • Target

    c07ff6064acad9f4b013abdb9b6dc6f7.exe

  • Size

    195KB

  • MD5

    c07ff6064acad9f4b013abdb9b6dc6f7

  • SHA1

    ed496c387901438568eae1f63c48fcf998b56a48

  • SHA256

    5830dd917dbc7f34d6dc09b77052b0818ae91bae68e71d4843d2e5504e44f19d

  • SHA512

    ca0b6b7c7f5a20b56d1dca11f81a100e0b15fb8df3f7cc1f3e28d99836873889d407ed4155d663c3139b3ecf7ce7c195a512c5035219b5b52e5247cc47ab7431

  • SSDEEP

    3072:HzdQKR8K5ZTy+4yKVNQBNmyRtRQuKT0yB3AD7tf:HzGKLl4b4MlYDh

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c07ff6064acad9f4b013abdb9b6dc6f7.exe
    "C:\Users\Admin\AppData\Local\Temp\c07ff6064acad9f4b013abdb9b6dc6f7.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1368
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {219C96B0-75D1-4383-A2C4-AB7B0EF79A07} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:556
    • C:\Users\Admin\AppData\Roaming\svgvtdd
      C:\Users\Admin\AppData\Roaming\svgvtdd
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\svgvtdd

    Filesize

    195KB

    MD5

    c07ff6064acad9f4b013abdb9b6dc6f7

    SHA1

    ed496c387901438568eae1f63c48fcf998b56a48

    SHA256

    5830dd917dbc7f34d6dc09b77052b0818ae91bae68e71d4843d2e5504e44f19d

    SHA512

    ca0b6b7c7f5a20b56d1dca11f81a100e0b15fb8df3f7cc1f3e28d99836873889d407ed4155d663c3139b3ecf7ce7c195a512c5035219b5b52e5247cc47ab7431

  • memory/1284-4-0x0000000002A00000-0x0000000002A16000-memory.dmp

    Filesize

    88KB

  • memory/1284-16-0x0000000002A20000-0x0000000002A36000-memory.dmp

    Filesize

    88KB

  • memory/1368-1-0x0000000002D80000-0x0000000002E80000-memory.dmp

    Filesize

    1024KB

  • memory/1368-2-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1368-3-0x0000000000400000-0x0000000002CBF000-memory.dmp

    Filesize

    40.7MB

  • memory/1368-5-0x0000000000400000-0x0000000002CBF000-memory.dmp

    Filesize

    40.7MB

  • memory/2376-14-0x00000000002B0000-0x00000000003B0000-memory.dmp

    Filesize

    1024KB

  • memory/2376-15-0x0000000000400000-0x0000000002CBF000-memory.dmp

    Filesize

    40.7MB

  • memory/2376-18-0x0000000000400000-0x0000000002CBF000-memory.dmp

    Filesize

    40.7MB