Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3056
    • 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⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2508
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabF9FA.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

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

    Filesize

    190KB

    MD5

    d3ce5e9ff4837a106776a9b2047aa895

    SHA1

    048a232339b33f0e6d0624cadf6efc5e8d5cd1a5

    SHA256

    d99b3dbd1d14f437fa5c8e57d281a0aea7e407b6a0945dc56672b0488273fdfd

    SHA512

    9946ee809a345187736dd0ed94c1d8f06bfcf6d94da5a0fd3fa3a37c58ab190fcefcf8dd24bec7dfefe23d954e412d16907de706aa6861af9d593100df98307f

  • C:\Users\Admin\AppData\Local\Temp\TarFA2C.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

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

    Filesize

    190KB

    MD5

    d3ce5e9ff4837a106776a9b2047aa895

    SHA1

    048a232339b33f0e6d0624cadf6efc5e8d5cd1a5

    SHA256

    d99b3dbd1d14f437fa5c8e57d281a0aea7e407b6a0945dc56672b0488273fdfd

    SHA512

    9946ee809a345187736dd0ed94c1d8f06bfcf6d94da5a0fd3fa3a37c58ab190fcefcf8dd24bec7dfefe23d954e412d16907de706aa6861af9d593100df98307f

  • memory/3052-0-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/3052-7-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/3052-9-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/3056-6-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/3056-8-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB