Analysis

  • max time kernel
    150s
  • 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
    08-03-2024 07:18

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

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 1 IoCs
  • 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.

  • 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:3976
    • 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:3332
  • C:\Users\Admin\AppData\Roaming\vhihvfr
    C:\Users\Admin\AppData\Roaming\vhihvfr
    1⤵
    • Executes dropped EXE
    PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    63KB

    MD5

    0d5df43af2916f47d00c1573797c1a13

    SHA1

    230ab5559e806574d26b4c20847c368ed55483b0

    SHA256

    c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

    SHA512

    f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

  • memory/2944-28-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/2944-26-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/2944-25-0x0000000000980000-0x0000000000992000-memory.dmp

    Filesize

    72KB

  • memory/3332-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3332-16-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3332-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3364-15-0x0000000002F20000-0x0000000002F36000-memory.dmp

    Filesize

    88KB

  • memory/3976-4-0x0000000005DA0000-0x0000000005DEA000-memory.dmp

    Filesize

    296KB

  • memory/3976-9-0x0000000006010000-0x0000000006076000-memory.dmp

    Filesize

    408KB

  • memory/3976-8-0x0000000005F70000-0x0000000006002000-memory.dmp

    Filesize

    584KB

  • memory/3976-14-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3976-7-0x0000000005E80000-0x0000000005ECC000-memory.dmp

    Filesize

    304KB

  • memory/3976-6-0x0000000005E40000-0x0000000005E72000-memory.dmp

    Filesize

    200KB

  • memory/3976-5-0x0000000005DF0000-0x0000000005E22000-memory.dmp

    Filesize

    200KB

  • memory/3976-0-0x00000000007E0000-0x000000000082E000-memory.dmp

    Filesize

    312KB

  • memory/3976-3-0x00000000051D0000-0x00000000051E0000-memory.dmp

    Filesize

    64KB

  • memory/3976-2-0x00000000055C0000-0x0000000005B64000-memory.dmp

    Filesize

    5.6MB

  • memory/3976-1-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB