Analysis

  • max time kernel
    158s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-03-2024 20:21

General

  • Target

    b77fea1068099706f3f5d74f346ba334.exe

  • Size

    217KB

  • MD5

    b77fea1068099706f3f5d74f346ba334

  • SHA1

    58c57f48c3a9338ced4b3cd174b191a9e38ed7c6

  • SHA256

    62c4f92778d0bd5831fad52da33914cd561ecefb6f5853925dc989bce3ffa3c9

  • SHA512

    eb36d0dcc386c88d91679fbf9541a5b6d777eeea709f016921ae863e0c7fd0f0150c50451f7180cfe9ef8e1eb4b6718851449b024a444de8a431b7e7dfeff296

  • SSDEEP

    3072:7HzizXmEwgIMjnOL0J7bdTVnCm5W3O7YWnQdnCNeoBNTfC8IU:SwgIf4J3Z0p3xWWCIwY8

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
  • 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: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\b77fea1068099706f3f5d74f346ba334.exe
    "C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/988-1-0x0000000002F90000-0x0000000003090000-memory.dmp

    Filesize

    1024KB

  • memory/988-2-0x0000000002F10000-0x0000000002F19000-memory.dmp

    Filesize

    36KB

  • memory/988-3-0x0000000000400000-0x0000000002C6D000-memory.dmp

    Filesize

    40.4MB

  • memory/988-4-0x0000000000400000-0x0000000002C6D000-memory.dmp

    Filesize

    40.4MB

  • memory/988-6-0x0000000000400000-0x0000000002C6D000-memory.dmp

    Filesize

    40.4MB

  • memory/988-9-0x0000000002F10000-0x0000000002F19000-memory.dmp

    Filesize

    36KB

  • memory/3340-5-0x0000000003090000-0x00000000030A6000-memory.dmp

    Filesize

    88KB