Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 12:36

General

  • Target

    18b8adbf73003d4e0da6e3899e194f09.exe

  • Size

    250KB

  • MD5

    18b8adbf73003d4e0da6e3899e194f09

  • SHA1

    4b3ace652746569725238d69f1314059d88dad06

  • SHA256

    52c59f81e688e8b9614cfc1e3dfc2361198c9bbfea2739213571672c3a0a0f1f

  • SHA512

    f466c098eec61b766a531838abf2739415dfd1de5465ab9d8ceea6b87e9def2074c9a043956d42bcca0cf27bad0fb7e730dc794cef8743742ff2e03ac295f705

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5sCaK9Z7OOTDVyExvxe7:h1OgLdaOsCxZ7OOPVRvxe7

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks installed software on the system 1 TTPs

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

  • Drops Chrome extension 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\18b8adbf73003d4e0da6e3899e194f09.exe
    "C:\Users\Admin\AppData\Local\Temp\18b8adbf73003d4e0da6e3899e194f09.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\50f7bc769c557.exe
      .\50f7bc769c557.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:2160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Bcool\uninstall.exe

    Filesize

    48KB

    MD5

    f3c79bda3fdf7c5dd24d60400a57cadb

    SHA1

    1adb606aaeedb246a371c8877c737f0f8c798625

    SHA256

    a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b

    SHA512

    c43cb957bdea357bd016fe03a8004a48d8117a12106f62876394feba05ad01a321ff6017ffb7b926cc77712f5ab63ea2e4b169a419c444c8f62aa4933f289935

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    eb1f4f4fdafac1ed7d4862bddddb0483

    SHA1

    e684acf5667ade4467729800874eba2597a8a38c

    SHA256

    ccc2f78d60c2b081621fb58a3c2e2b322798ce3fdb9641d10ce7a24ea4d95f38

    SHA512

    710a996180da83ebe0641dfdb3e798566bf47e1e3ff8d47424dbc2ecceaed2f7ae7d5924748bc1038d54ec083f69d37d2b90101a5d8cc6661b18a27c8619a6ca

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    d3342324fce9257c5a16b067e70ef780

    SHA1

    0fa50904a341176de8674623eb84063a684e83a7

    SHA256

    2a5f16c5d4c03d327041f165b699a2f203de688a1dd7d292afb9d0a05470f098

    SHA512

    b6a1410970812ddf77a441290eb2e556a16c2ca7538ce170bbcaa6a338b7ece36fa6472b40a398fe06013072b85365e1a0610040353accff9b9207c384983da9

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    da058b4608724ce4bf512d3a1d2e8dc7

    SHA1

    c2b685fa952418b9ac040c720c048a4be1335224

    SHA256

    c72ebd36ad55e881b3ecb60fd07e86dcd5c8572f026370bf9024c61a19b8abdf

    SHA512

    0ced0c4338b0c1640ec926786fa4cd73313265338f9846dd1bdd42f13cd2033dbc44645443f507418d5389ea11d4bb8a34f337415dcc899b54116f617e70a906

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    2ef3a2f0f2eef07bb4eadf6bbc434a93

    SHA1

    d929f8ae9a1b57d19bffa556175d242b5264a4f9

    SHA256

    0daa533f88430adbfb8d7324259d99e28ac346f62a061babc1692a47487de4c4

    SHA512

    0dfcdca47f469b36dc91cf418f6310ce6b2e34f5602dc3996501f3ba2662323da1e6cc2cd9386c810dba20161ebc05b390cd9713cef4eacd080f746cf1c7dd91

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\[email protected]\install.rdf

    Filesize

    700B

    MD5

    dbb9980057ccb515a3cbdec4e7be6155

    SHA1

    02a31197530520884a1e681676229c9ae429c180

    SHA256

    284591240fcd42c4208071c2bd93defe0aaa0fc7bb6f1829eaa10d7005a3cfaa

    SHA512

    22797f8b8fae89b34d000d26dc2314f14ee645fa7cc9ff7b9d3c29d0ae9ef16efbb2d8f737b719bd8e4b0f4a1f136bc1dee62149b72309a80c3c64ce359fcafc

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\50f7bc769c590.dll

    Filesize

    116KB

    MD5

    da161da8bcb9b8032908cc303602f2ee

    SHA1

    8a2d5e5b32376a40f33d6c9881001425ec025205

    SHA256

    0648d564b30e13a0819f28e00a9af39a6686a4d29ccd265c7d81548e4fe0f67e

    SHA512

    39e882a371dbce2484324811bffdd7ae7655b57401d07bf264aced6b5dac0ae326bd1945c536f05d8ab3b92ca03ff056c5a7baf54f7eb477b45fc405ec54052c

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\50f7bc769c590.tlb

    Filesize

    2KB

    MD5

    1f14de44d0d63a79f91d3fe90badb5fc

    SHA1

    7fcc921608d2cf40e81cdd9a98e1a15a6ba1f57e

    SHA256

    bd3d85c0136a66b2af79d4d91c1c5700c8931937b7e554d5ece946760ef4a99c

    SHA512

    86eb6ebf9eccf1dcb601db827797ac603c0ebe01b6d73318986275c29bd034c8df5f7c79ddf0b19536faf24bdb11e09ac95ea43e8fe75b0ed3dde76dd139883c

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\fecijanbkodonobpfhefkcbaiailplic\50f7bc769c3885.53555041.js

    Filesize

    4KB

    MD5

    17ce2b00ef53f5115b49c94f56ab8d22

    SHA1

    e33878d542b5ae5f53f9645588ba7a7f6e2c9441

    SHA256

    93687bfb109b7e2d2b607d2612bf993224e99004537444d94d9325aa5f60d72c

    SHA512

    c56dba2ee19120c69cbb91f993ed14aaf2f25934bfc78caabc22ba9e4a2e4bdd457c637d8379c0a72ea879d62aa062a8a35e60d58b2d062290e27d98ae367d41

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\fecijanbkodonobpfhefkcbaiailplic\background.html

    Filesize

    161B

    MD5

    0910ccffa502932a49f7d9e6a59ac733

    SHA1

    2caa32f9ce0258283dd6f647517de1ead05db7a1

    SHA256

    4401b2f39fac688e95d73e979cadf701c587fbe3c163b6a5b2deca3da1588411

    SHA512

    066543297ea7ff35bcaa7512c3d9905a84f055fd894029e71d7230ff62c07aea6536f32452ad67564b45cffe21ee6ec9324e12eb0abbb1e1524ba24e7423e0bc

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\fecijanbkodonobpfhefkcbaiailplic\content.js

    Filesize

    197B

    MD5

    5f9891607f65f433b0690bae7088b2c1

    SHA1

    b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

    SHA256

    fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

    SHA512

    76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\fecijanbkodonobpfhefkcbaiailplic\lsdb.js

    Filesize

    559B

    MD5

    209b7ae0b6d8c3f9687c979d03b08089

    SHA1

    6449f8bff917115eef4e7488fae61942a869200f

    SHA256

    e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

    SHA512

    1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\fecijanbkodonobpfhefkcbaiailplic\manifest.json

    Filesize

    474B

    MD5

    1df732bcfb22f722bac9c7fcca24814b

    SHA1

    7860ad97d9975417286912a8a28db45aaa827870

    SHA256

    23cf6d27fb3be1da499e0344f0a0f2c10d9782d3aedcff5e31bd25d0255d1039

    SHA512

    07affe534c49fdd735a253a0121e7e1e375e59276491de4c9827a95194017d07997bad62dbdaf6a6b9fdcfd98480672bd4960a3f9311da9bf8321aae5b3f87b6

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\fecijanbkodonobpfhefkcbaiailplic\sqlite.js

    Filesize

    1KB

    MD5

    728ee807d93a2511d76701cca342863c

    SHA1

    f48c7b1c794fb1091418bafc08b1b1c51ef595ba

    SHA256

    30cb4903e1adddfde8fa3a37b01d61189b29cb2277f6caf4a1663aa1538acedd

    SHA512

    4cefc0fbd07671cd4bc44403f449ede6c0b14ec156a5a8ed2ed0728ce1f4969963f4716bfeeb09b9fca81fb2e613e09c923d14db75037e873fbd9724a27e36e8

  • C:\Users\Admin\AppData\Local\Temp\7zS667.tmp\settings.ini

    Filesize

    6KB

    MD5

    88b34eb27cc984b469876da1f54fc5fb

    SHA1

    7c5577dd0fcac5658f26ff513da9e8e57f0dd345

    SHA256

    67eaf51f23b270d45bdb45af544affe469af9bae4acb603726fbc1608c768cf4

    SHA512

    48d12503a454d5f0b383e1faef54eb0152cd60e361271a1907276e16bbefcf1c8039d679580edfc99e8a433650b588fb80fd8ce456d3ff343c5b0aa37f673072

  • \Users\Admin\AppData\Local\Temp\7zS667.tmp\50f7bc769c557.exe

    Filesize

    71KB

    MD5

    b78633fae8aaf5f7e99e9c736f44f9c5

    SHA1

    26fc60e29c459891ac0909470ac6c61a1eca1544

    SHA256

    d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

    SHA512

    3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

  • \Users\Admin\AppData\Local\Temp\nso6E5.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • \Users\Admin\AppData\Local\Temp\nso6E5.tmp\nsJSON.dll

    Filesize

    7KB

    MD5

    b9cd1b0fd3af89892348e5cc3108dce7

    SHA1

    f7bc59bf631303facfc970c0da67a73568e1dca6

    SHA256

    49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

    SHA512

    fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

  • memory/2160-87-0x0000000075140000-0x000000007514A000-memory.dmp

    Filesize

    40KB