Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30-01-2024 17:31

General

  • Target

    a3c87ce12367c83104cda662ef76afb0.exe

  • Size

    4.6MB

  • MD5

    a3c87ce12367c83104cda662ef76afb0

  • SHA1

    6538657286bb504cbb3cddb6b97e06c39fa904d0

  • SHA256

    a24362e4ac45ec3e35f16b91d593b35976b1cb795a81d19e88ac5969d0cfb68f

  • SHA512

    af65593b1443bb384ed0ef0425502e642ae19bd8fd2ec4800862cbb777b55bbb9fec57faa214e3ce9c3938aa06d10a4889f073dade28a225b57a8cf6e9b1efd3

  • SSDEEP

    98304:ktv3TCmi5ov0BDwZwaIRTdGRaHcqpfiWRwwqy2tjXcP3EFSjia:ktvTL/0BEFIRBDHbpsptjXcP3EFC

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3c87ce12367c83104cda662ef76afb0.exe
    "C:\Users\Admin\AppData\Local\Temp\a3c87ce12367c83104cda662ef76afb0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: GetForegroundWindowSpam
    PID:1924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nstAFB.tmp\ioSpecial.ini

    Filesize

    1KB

    MD5

    bc3d6d7519a6ef16abc998485740d45e

    SHA1

    e4c11bb15d3552b06394c5d5aa3a574ee2bee41c

    SHA256

    6faee7209da39cc58bc3a30e6a827a790b9609185d263d831707ada8a77ee241

    SHA512

    296db4ddd7dea04d5000b52552e88c4544b4ed5e5de4ed10ca8a20f410bc9eeb5106e66ccf08d18793b87f0706a0b764ff86dd827d8819ab67a7ecab8e42d435

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

    Filesize

    15KB

    MD5

    ece25721125d55aa26cdfe019c871476

    SHA1

    b87685ae482553823bf95e73e790de48dc0c11ba

    SHA256

    c7fef6457989d97fecc0616a69947927da9d8c493f7905dc8475c748f044f3cf

    SHA512

    4e384735d03c943f5eb3396bb3a9cb42c9d8a5479fe2871de5b8bc18db4bbd6e2c5f8fd71b6840512a7249e12a1c63e0e760417e4baa3dc30f51375588410480

  • \Users\Admin\AppData\Local\Temp\nstAFB.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    68b287f4067ba013e34a1339afdb1ea8

    SHA1

    45ad585b3cc8e5a6af7b68f5d8269c97992130b3

    SHA256

    18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

    SHA512

    06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

  • \Users\Admin\AppData\Local\Temp\nstAFB.tmp\System.dll

    Filesize

    12KB

    MD5

    cff85c549d536f651d4fb8387f1976f2

    SHA1

    d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

    SHA256

    8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

    SHA512

    531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88