Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2024 04:22

General

  • Target

    5285ff728581436b4f0a33fad62a75c1.exe

  • Size

    990KB

  • MD5

    5285ff728581436b4f0a33fad62a75c1

  • SHA1

    b691c8892f30b2e8cda7f3b482b4ef295f080871

  • SHA256

    71bd7a61becc541ca68c9f01d62344b3d8f440b4149db7fcf7553f8ba3b6c392

  • SHA512

    b92027e58a1739c208d5f38ccfae1a5db877e17b07dc7f05df3840737618e0da9c2a1939bb7361c29a36f2dc59221a6a6fd2e9df949ee87b4dcef73e4d4ed195

  • SSDEEP

    24576:+A5sjkZcf3Eo63487oYbJd5A8uvKzS4MvKCINHPf4xVED:+isR3EoxYBbSDvKz0vKCINvgxVED

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 41 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5285ff728581436b4f0a33fad62a75c1.exe
    "C:\Users\Admin\AppData\Local\Temp\5285ff728581436b4f0a33fad62a75c1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\215AppsChecker.exe
      C:\Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\215AppsChecker.exe /checkispublisherinstalled
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1620
    • C:\Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\dlhelpdl.exe
      C:\Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\dlhelpdl.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~1836~3471~~URL Parts Error~~SendRequest Error~DE-CE-4B-73-D7-84~#~~SendRequest Error~~IE~~
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\215AppsChecker.exe

    Filesize

    39KB

    MD5

    420320e78490a36cf23cb17ffbb13358

    SHA1

    fcf1151c22f9b8c9e29ec6387b38e6b040bd196e

    SHA256

    bc13af4eb6cc4917d617785d7e4ad09f64745a9cf06354833e815e9229ce8dcf

    SHA512

    fe2774fd095c3a3b51b01a1da1c5fcd49b53f939b647c84cdfd3c243cb74644ca2909971bc87d3e5c8781a93c27ac3ef7691625a024008b4f1ffba4c947cd023

  • \Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\GetVersion.dll

    Filesize

    6KB

    MD5

    5264f7d6d89d1dc04955cfb391798446

    SHA1

    211d8d3e7c2b2f57f54a11cb8bc4fa536df08acc

    SHA256

    7d76c7dd8f7cd5a87e0118dacb434db3971a049501e22a5f4b947154621ab3d4

    SHA512

    80d27ee2f87e2822bd5c8c55cc3d1e49beebb86d8557c92b52b7cbea9f27882d80e59eefa25e414eecee268a9a6193b6b50b748de33c778b007cde24ef8bcfb7

  • \Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\Math.dll

    Filesize

    66KB

    MD5

    b140459077c7c39be4bef249c2f84535

    SHA1

    c56498241c2ddafb01961596da16d08d1b11cd35

    SHA256

    0598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67

    SHA512

    fbcb19a951d96a216d73b6b3e005338bbb6e11332c6cc8c3f179ccd420b4db0e5682dc4245bd120dcb67bc70960eab368e74c68c7c165a485a12a7d0d8a00328

  • \Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • \Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • \Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\dlhelpdl.exe

    Filesize

    127KB

    MD5

    ed169c84a216825a90a03d889285b122

    SHA1

    7a1c3f3e21adc893283260855898f93898c045b7

    SHA256

    9aa109ebfe83d00f979b1ca43069eb72a35bb1dcb6e81c6336983a0db6da2c9a

    SHA512

    d7cc68c29ed7892a781e2519f921e1627107499da368fbb86e1b3778cdc3d1c0930e7c24d0634f0d477480bbc3cd6cf5c42806e062679c3edd7c2f2f097d176e

  • \Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\intlib.dll

    Filesize

    24KB

    MD5

    1efbbf5a54eb145a1a422046fd8dfb2c

    SHA1

    ec4efd0a95bb72fd4cf47423647e33e5a3fddf26

    SHA256

    983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341

    SHA512

    7fdeba8c961f3507162eb59fb8b9b934812d449cc85c924f61722a099618d771fed91cfb3944e10479280b73648a9a5cbb23482d7b7f8bfb130f23e8fd6c15fb

  • \Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    c10e04dd4ad4277d5adc951bb331c777

    SHA1

    b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

    SHA256

    e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

    SHA512

    853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

  • \Users\Admin\AppData\Local\Temp\nsi1D9F.tmp\registry.dll

    Filesize

    16KB

    MD5

    24a7a119e289f1b5b69f3d6cf258db7c

    SHA1

    fec84298f9819adf155fcf4e9e57dd402636c177

    SHA256

    ae53f8e00574a87dd243fdf344141417cfe2af318c6c5e363a030d727a6c75d1

    SHA512

    fdbbedcc877bf020a5965f6ba8586ade48cfbe03ac0af8190a8acf077fb294ffd6b5a7ae49870bff8cacd9e33d591be63b5b3d5c2e432c640212bdcd0c602861

  • \Users\Admin\AppData\Local\Temp\nst230C.tmp\StdUtils.dll

    Filesize

    14KB

    MD5

    21010df9bc37daffcc0b5ae190381d85

    SHA1

    a8ba022aafc1233894db29e40e569dfc8b280eb9

    SHA256

    0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

    SHA512

    95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

  • memory/1568-66-0x00000000004F0000-0x000000000050A000-memory.dmp

    Filesize

    104KB