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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/05/2023, 09:16

General

  • Target

    f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe

  • Size

    329KB

  • MD5

    239c6896abed250ced4d7b910435a117

  • SHA1

    cb413e8715b8f9d9118e20085adbba0b7d923889

  • SHA256

    f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976

  • SHA512

    c118d47f87e7752769089e0bd70181236932f7d196306b2c849327d61648f5d606d2fb91ba4d4e0cbcd6eac648a403fc9c0faf93165c192ab27e2eadfd6c16c1

  • SSDEEP

    3072:55qgR/JKAWepRFK+ai2QfS6E1+PJxhzJzslQSTVqDvWPdF45x34AZXO2uz6KkEqi:N/JmUDa1CiewlQSgDwdC514AA2uvC

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe
    "C:\Users\Admin\AppData\Local\Temp\f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe
      "C:\Users\Admin\AppData\Local\Temp\f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4764

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2076-134-0x0000000000830000-0x0000000000839000-memory.dmp

    Filesize

    36KB

  • memory/3160-137-0x00000000006B0000-0x00000000006C6000-memory.dmp

    Filesize

    88KB

  • memory/3160-145-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-146-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-147-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-148-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-149-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-150-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-151-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-152-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-153-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-154-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-155-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-156-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-157-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-158-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-159-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-160-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-161-0x0000000007840000-0x0000000007843000-memory.dmp

    Filesize

    12KB

  • memory/3160-162-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

    Filesize

    64KB

  • memory/3160-163-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-164-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-165-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-166-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-167-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-168-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-169-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-170-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-171-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-172-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-173-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-174-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-175-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-176-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-177-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-178-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-179-0x0000000006D30000-0x0000000006D32000-memory.dmp

    Filesize

    8KB

  • memory/3160-180-0x0000000006D40000-0x0000000006D50000-memory.dmp

    Filesize

    64KB

  • memory/3160-181-0x0000000006D40000-0x0000000006D50000-memory.dmp

    Filesize

    64KB

  • memory/3160-182-0x0000000006D40000-0x0000000006D50000-memory.dmp

    Filesize

    64KB

  • memory/3160-183-0x0000000006D40000-0x0000000006D50000-memory.dmp

    Filesize

    64KB

  • memory/3160-184-0x0000000006D40000-0x0000000006D50000-memory.dmp

    Filesize

    64KB

  • memory/3160-185-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-186-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-187-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-188-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-189-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-190-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-191-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-192-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-193-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-194-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-195-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-196-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-197-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-198-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-199-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-200-0x0000000006E70000-0x0000000006E80000-memory.dmp

    Filesize

    64KB

  • memory/3160-201-0x00000000026A0000-0x00000000026A2000-memory.dmp

    Filesize

    8KB

  • memory/3160-202-0x0000000006D30000-0x0000000006D40000-memory.dmp

    Filesize

    64KB

  • memory/4764-135-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4764-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4764-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB