Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2024 17:43

General

  • Target

    CouponTimeUninstall.exe

  • Size

    242KB

  • MD5

    f3955063c445497a899581b149dbb2a0

  • SHA1

    9de3c4828af7282d4335540a9982fd11ce247414

  • SHA256

    4ce7e6d899378d25017a76dbf2a94a8a44d63263b5ca4ca46859c7d70078b6fb

  • SHA512

    c7c3e4ee1086970338622afc99101f81ac7c58ba2d46ed5538b2383369a68e2f4a57a7ada5ef37b43a867d1be9bad0dc28b282c1b70040af3629c09ac820cc96

  • SSDEEP

    6144:cZ+11vg/W/y/1RWBT5JbHyQxq5kcwZm/G/Hco7:rg/W/s1s15hcp/G/8m

Score
10/10

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

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

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

  • NSIS installer 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CouponTimeUninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\CouponTimeUninstall.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5108
    • 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\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsm7149.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • C:\Users\Admin\AppData\Local\Temp\nsm7149.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • C:\Users\Admin\AppData\Local\Temp\nsm7149.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    c10e04dd4ad4277d5adc951bb331c777

    SHA1

    b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

    SHA256

    e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

    SHA512

    853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

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

    Filesize

    242KB

    MD5

    f3955063c445497a899581b149dbb2a0

    SHA1

    9de3c4828af7282d4335540a9982fd11ce247414

    SHA256

    4ce7e6d899378d25017a76dbf2a94a8a44d63263b5ca4ca46859c7d70078b6fb

    SHA512

    c7c3e4ee1086970338622afc99101f81ac7c58ba2d46ed5538b2383369a68e2f4a57a7ada5ef37b43a867d1be9bad0dc28b282c1b70040af3629c09ac820cc96