Analysis

  • max time kernel
    151s
  • max time network
    99s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    26-09-2021 07:10

General

  • Target

    02d4f0634b7dddcc91864649c92885fa.exe

  • Size

    145KB

  • MD5

    02d4f0634b7dddcc91864649c92885fa

  • SHA1

    f033b5245a2c7591cf37a56b37a7c587f313af97

  • SHA256

    c4776d0c137ffdd7c1961d39d00c47625b56aa259391d042ab19bba938225653

  • SHA512

    ec5299f39da5899a9222a83c197a7ecd77dbbbf49ac8975f8793fc2021e669b7e563aa5ac83822f464c6dcd43e2d6b1c1216f3ac6dc0602575fd090a8343ce16

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02d4f0634b7dddcc91864649c92885fa.exe
    "C:\Users\Admin\AppData\Local\Temp\02d4f0634b7dddcc91864649c92885fa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4796
    • C:\Users\Admin\AppData\Local\Temp\02d4f0634b7dddcc91864649c92885fa.exe
      "C:\Users\Admin\AppData\Local\Temp\02d4f0634b7dddcc91864649c92885fa.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4816

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2900-117-0x0000000001020000-0x0000000001036000-memory.dmp
    Filesize

    88KB

  • memory/4796-116-0x00000000001E0000-0x00000000001E9000-memory.dmp
    Filesize

    36KB

  • memory/4816-114-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/4816-115-0x0000000000402FA5-mapping.dmp