Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-03-2024 07:15

General

  • Target

    tmp.exe

  • Size

    284KB

  • MD5

    e3dc222d0a34c4b230f538a67bb7265d

  • SHA1

    d88345aef0e59341e6c4297d2685cb5f08c0aa80

  • SHA256

    a7f605d4110bba430e02c7c5240e656fb3f1dd7f02dce985e9e5677169c9de55

  • SHA512

    3d775c3c940ddd3d43fa56726ae4f8c0442a4d576cb410e60e2f010e1ff6273a2064f646c6af4a6993ff78924c329ac821811f97402d1472495c1d7a6d838797

  • SSDEEP

    6144:ukXNoFja9QXwKN1NdR7ws5lDohIiTXcnXzrCZemJPg1ZVzqH:jiFWUtXjDojODrXeIBze

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://glueberry-og.cc/

http://glueberry-og.co/

http://glueberry-og.to/

rc4.i32
rc4.i32

Signatures

  • PureLog Stealer

    PureLog Stealer is an infostealer written in C#.

  • PureLog Stealer payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Adds Run key to start application 2 TTPs 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.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of UnmapMainImage 1 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\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3284
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3284-6-0x00000000064C0000-0x00000000064F2000-memory.dmp

    Filesize

    200KB

  • memory/3284-8-0x0000000006670000-0x0000000006702000-memory.dmp

    Filesize

    584KB

  • memory/3284-2-0x0000000005C00000-0x00000000061A4000-memory.dmp

    Filesize

    5.6MB

  • memory/3284-3-0x0000000005700000-0x0000000005710000-memory.dmp

    Filesize

    64KB

  • memory/3284-4-0x0000000006460000-0x00000000064AA000-memory.dmp

    Filesize

    296KB

  • memory/3284-5-0x00000000056D0000-0x0000000005702000-memory.dmp

    Filesize

    200KB

  • memory/3284-1-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/3284-7-0x0000000006500000-0x000000000654C000-memory.dmp

    Filesize

    304KB

  • memory/3284-0-0x0000000000D20000-0x0000000000D6E000-memory.dmp

    Filesize

    312KB

  • memory/3284-9-0x0000000006710000-0x0000000006776000-memory.dmp

    Filesize

    408KB

  • memory/3284-14-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/3388-15-0x0000000002F90000-0x0000000002FA6000-memory.dmp

    Filesize

    88KB

  • memory/3760-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3760-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3760-16-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB