Resubmissions

09-04-2024 13:53

240409-q7av3sca71 10

09-04-2024 13:53

240409-q699jsgg35 10

09-04-2024 13:53

240409-q69ysaca7z 10

09-04-2024 13:53

240409-q69m1sca7y 10

02-12-2023 07:46

231202-jmdmxaaf8t 10

Analysis

  • max time kernel
    600s
  • max time network
    366s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-04-2024 13:53

General

  • Target

    caca493c10d47df328c029a270165a21afa50b350ec4f3dd3a6ea72ef2c54823.exe

  • Size

    301KB

  • MD5

    d976e27be52536c60076fe9a3a646ad1

  • SHA1

    9db98366d212bcd7e3926acb6505c45020604c61

  • SHA256

    caca493c10d47df328c029a270165a21afa50b350ec4f3dd3a6ea72ef2c54823

  • SHA512

    9a44b70bd35a1467c0af014fa13f7ade42b708928511dced8c4ad6f0813e46e9bd5897d476b9ba3c09972bcb757648925453396796f515aaf03ebff651c3985e

  • SSDEEP

    3072:uNg1miw2R2eRVMvRz3jYziACBbFvfy4zoV25kGpYUX35U:qMRnVGDiiJRFMAK

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://onualituyrs.org/

http://sumagulituyo.org/

http://snukerukeutit.org/

http://lightseinsteniki.org/

http://liuliuoumumy.org/

http://stualialuyastrelia.net/

http://kumbuyartyty.net/

http://criogetikfenbut.org/

http://tonimiuyaytre.org/

http://tyiuiunuewqy.org/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\caca493c10d47df328c029a270165a21afa50b350ec4f3dd3a6ea72ef2c54823.exe
    "C:\Users\Admin\AppData\Local\Temp\caca493c10d47df328c029a270165a21afa50b350ec4f3dd3a6ea72ef2c54823.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:340
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D4FAD01E-9C45-484C-9346-849EF0181BEE} S-1-5-21-1658372521-4246568289-2509113762-1000:PIRBKNPS\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Users\Admin\AppData\Roaming\cfigvti
      C:\Users\Admin\AppData\Roaming\cfigvti
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    301KB

    MD5

    d976e27be52536c60076fe9a3a646ad1

    SHA1

    9db98366d212bcd7e3926acb6505c45020604c61

    SHA256

    caca493c10d47df328c029a270165a21afa50b350ec4f3dd3a6ea72ef2c54823

    SHA512

    9a44b70bd35a1467c0af014fa13f7ade42b708928511dced8c4ad6f0813e46e9bd5897d476b9ba3c09972bcb757648925453396796f515aaf03ebff651c3985e

  • memory/340-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/340-1-0x0000000002B60000-0x0000000002C60000-memory.dmp

    Filesize

    1024KB

  • memory/340-3-0x0000000000400000-0x0000000002AC1000-memory.dmp

    Filesize

    38.8MB

  • memory/340-5-0x0000000000400000-0x0000000002AC1000-memory.dmp

    Filesize

    38.8MB

  • memory/1192-4-0x0000000002AB0000-0x0000000002AC6000-memory.dmp

    Filesize

    88KB

  • memory/1192-16-0x00000000029E0000-0x00000000029F6000-memory.dmp

    Filesize

    88KB

  • memory/2276-14-0x0000000002BA0000-0x0000000002CA0000-memory.dmp

    Filesize

    1024KB

  • memory/2276-15-0x0000000000400000-0x0000000002AC1000-memory.dmp

    Filesize

    38.8MB

  • memory/2276-17-0x0000000000400000-0x0000000002AC1000-memory.dmp

    Filesize

    38.8MB