Analysis

  • max time kernel
    146s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01-07-2022 13:27

General

  • Target

    3e1742b97dacc7d4a3adfc88b48655b33ed86adda565301b7f8b4c47dc4cdd93.exe

  • Size

    556KB

  • MD5

    d2909093e0d465a07782eaa2d762f911

  • SHA1

    2839297e8efda395e2fb55a8a67e6f2994d492a2

  • SHA256

    3e1742b97dacc7d4a3adfc88b48655b33ed86adda565301b7f8b4c47dc4cdd93

  • SHA512

    653952dfca9809f19729bd286ac3c2d9466c2d90c004bc741c61a874567b76efec3f062fe7dd05db8e8c90af4b2ff3410f70da5dc6bfc3a15f94c85e3d4d6a6d

Malware Config

Extracted

Family

smokeloader

Version

2018

C2

https://wintoshop.ug/

https://shoptowin.ru/

https://shopandpop.su/

https://shoptofree.ru/

http://googletime.bit/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 2 IoCs

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

  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e1742b97dacc7d4a3adfc88b48655b33ed86adda565301b7f8b4c47dc4cdd93.exe
    "C:\Users\Admin\AppData\Local\Temp\3e1742b97dacc7d4a3adfc88b48655b33ed86adda565301b7f8b4c47dc4cdd93.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\3e1742b97dacc7d4a3adfc88b48655b33ed86adda565301b7f8b4c47dc4cdd93.exe
      C:\Users\Admin\AppData\Local\Temp\3e1742b97dacc7d4a3adfc88b48655b33ed86adda565301b7f8b4c47dc4cdd93.exe"
      2⤵
      • Maps connected drives based on registry
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:4524

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/892-142-0x0000000000170000-0x0000000000185000-memory.dmp
    Filesize

    84KB

  • memory/1960-132-0x00000000029C0000-0x00000000029C7000-memory.dmp
    Filesize

    28KB

  • memory/1960-134-0x00000000029C0000-0x00000000029C7000-memory.dmp
    Filesize

    28KB

  • memory/1960-135-0x00007FFDEE370000-0x00007FFDEE565000-memory.dmp
    Filesize

    2.0MB

  • memory/1960-136-0x00000000776B0000-0x0000000077853000-memory.dmp
    Filesize

    1.6MB

  • memory/4524-138-0x00000000776B0000-0x0000000077853000-memory.dmp
    Filesize

    1.6MB

  • memory/4524-137-0x00007FFDEE370000-0x00007FFDEE565000-memory.dmp
    Filesize

    2.0MB

  • memory/4524-140-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/4524-139-0x0000000000400000-0x0000000000499000-memory.dmp
    Filesize

    612KB

  • memory/4524-141-0x0000000000400000-0x0000000000499000-memory.dmp
    Filesize

    612KB

  • memory/4524-133-0x0000000000000000-mapping.dmp
  • memory/4524-143-0x00000000006C0000-0x00000000006C7000-memory.dmp
    Filesize

    28KB

  • memory/4524-144-0x00000000776B0000-0x0000000077853000-memory.dmp
    Filesize

    1.6MB