Analysis

  • max time kernel
    140s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2023 08:18

General

  • Target

    NEAS.db7f0243fda108aab085cdecf6330f80.exe

  • Size

    190KB

  • MD5

    db7f0243fda108aab085cdecf6330f80

  • SHA1

    a6dce0cd3c5ec9ec8df426a491df51477a282b69

  • SHA256

    ba7f5279a74d7d6fa28af1e1e6bac467f8f47c5a28f3a4f544fadc37245af4ee

  • SHA512

    bd4cea53bff88b00d4ffc5d8c701f25cb2132064d8c5f584541d3719407f80ca8c361cb59d98a9e33d038784234d4e28de353636b4bc507b116cc916d509d4a6

  • SSDEEP

    3072:929DkEGRQixVSjLa130BYgjXjp+y9T7uZwOuz/xSW:929qRfVSnA30B7XjUbwBxT

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1688
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2992
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\19QTJWOB\uscnwqci-487689567[1].htm

    Filesize

    1KB

    MD5

    b8e5031ea545c52885f5e92f753dfa29

    SHA1

    caa26c58c4c50e0d1227a7d06b44171e4727c49f

    SHA256

    a2feeca638d07f490ab9a6808d334259ac823b8dc7d1d6a0408ce977c790bef2

    SHA512

    0d2e1e0b87a73f95f40d66a83200ea82b2d34f28d3b27aac3bb89a1edf323cfe6b681ce7f21b440880e07706d76fe90f6c8c3bda14b0c82837dee384a89713c5

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    Filesize

    190KB

    MD5

    aedd753f4180d118d4fb1ead0b172e97

    SHA1

    e323b6e344f514bdc68f72ed1f7df85fd3f40f5b

    SHA256

    f7df228778edcf5712d3391a25e51f3547ba2db1ba61ea58f77c38a6e6b1afff

    SHA512

    fc572d2e1c2f6a9639ae09d59eea202b645677b0d6c59d7fc59c892010a07fb4e044d039db2a7e4184b3930f2a86adf7bc0eea5b71501215fd5685f3075753af

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    Filesize

    190KB

    MD5

    aedd753f4180d118d4fb1ead0b172e97

    SHA1

    e323b6e344f514bdc68f72ed1f7df85fd3f40f5b

    SHA256

    f7df228778edcf5712d3391a25e51f3547ba2db1ba61ea58f77c38a6e6b1afff

    SHA512

    fc572d2e1c2f6a9639ae09d59eea202b645677b0d6c59d7fc59c892010a07fb4e044d039db2a7e4184b3930f2a86adf7bc0eea5b71501215fd5685f3075753af

  • memory/1688-5-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/1688-7-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/3016-0-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/3016-6-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/3016-8-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB