Analysis

  • max time kernel
    144s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 02:30

General

  • Target

    $SYSDIR/cont_globaladsolution-remove.exe

  • Size

    52KB

  • MD5

    484d16f733b77e3ea52b90092fec78a6

  • SHA1

    ff7f72fdfcde4eaa49b0819f63204e91d153652e

  • SHA256

    98c01c1e12653fae11202eeb137d92cf338e7a3fdf7712e49dd781bb83436dec

  • SHA512

    acf7387a735f586e5d97e6747b17cbc4ea4920f8c0351bfe27d5cacec84bdd3ed2b83315dd6881e23623aab3a9245b72ea763e267483c9b6dd6e52d4bf5c3e97

  • SSDEEP

    768:YSup23EQCjlQRB8/ewZ1iU6nyYFxbssT/F/O71mJ5VJRnHt6t8KuTqoTKbbuLL:Fu4EQalMK/ewGnh0mJX8tuTfKbbsL

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • NSIS installer 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$SYSDIR\cont_globaladsolution-remove.exe
    "C:\Users\Admin\AppData\Local\Temp\$SYSDIR\cont_globaladsolution-remove.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\$SYSDIR\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nstA306.tmp\validate.ini

    Filesize

    455B

    MD5

    c964b8669f22f3ce84ae510a14808877

    SHA1

    3e48091a952e9c3c36a865e5939aae7fc716131d

    SHA256

    6027cc6eb5054337cafabe7c48c2b82bb5d6862a42fe6b733caf3ecb38007998

    SHA512

    3c4b54681be1fc195ccee4c391ce4d30f381487caea5fc4835a6736b18c5ebde5b334bd4103c696053e8dcc97911d17453a0a16070e7b187814732fea86e6c3b

  • C:\Users\Admin\AppData\Local\Temp\nstA306.tmp\validate.ini

    Filesize

    528B

    MD5

    36cddb95aea8d48a623d60797979c442

    SHA1

    3fbe47964f0366055414bc6ea93ffeef57f7599a

    SHA256

    07ef31fba60b3f53921c489226ae25e57de4fd3f6ced3ecf1e54197d53d7afde

    SHA512

    07d2d761e097c674aa9ae29351ca85d92799ef8a345f517f1c1134d06b48c241dc9f3513c8c7450d93dbc2faca0c3728124aea35fa4f31a35464c00edd25cb62

  • \Users\Admin\AppData\Local\Temp\nstA306.tmp\InstallOptions.dll

    Filesize

    14KB

    MD5

    271b5d1043c4402f08ddeae383f6979c

    SHA1

    2b88c58aa27bfb4979239579cd65d4c6c67a5295

    SHA256

    90485cb175686c3e97b32ebf99daa939c1a6f46e7031f71b72b81cd114fd5b51

    SHA512

    f8bd4b316726f05647162bb52a2aeb4a6cf5ee976fdb7817a3d25b868b83fb482c38d078f01d3a629afb0d6fa6ce409b2b3404398563137e22010074f529c11b

  • \Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

    Filesize

    52KB

    MD5

    484d16f733b77e3ea52b90092fec78a6

    SHA1

    ff7f72fdfcde4eaa49b0819f63204e91d153652e

    SHA256

    98c01c1e12653fae11202eeb137d92cf338e7a3fdf7712e49dd781bb83436dec

    SHA512

    acf7387a735f586e5d97e6747b17cbc4ea4920f8c0351bfe27d5cacec84bdd3ed2b83315dd6881e23623aab3a9245b72ea763e267483c9b6dd6e52d4bf5c3e97