Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 15:14

General

  • Target

    287cc44f0df0b2c9b16f669c76ad96c7.exe

  • Size

    249KB

  • MD5

    287cc44f0df0b2c9b16f669c76ad96c7

  • SHA1

    b4c66fadd108a0b485ece49f8d341297b8ed7aba

  • SHA256

    21fae592289e89f7915e324855062ec31d9bcf4be99a436d169b2d56acd105a4

  • SHA512

    fc5eb8c539f797352ae49a8b6bd97964dbf633eb962d6830810dff7003fbc8eb0dd88713f8314072d85230c8b45d4229ca8d9244374926ca16165ff3dc78e07b

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5p3hUfKIfJyeA3+7ofHZ/oe:h1OgLdaOpxUiIfJylu+3

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\287cc44f0df0b2c9b16f669c76ad96c7.exe
    "C:\Users\Admin\AppData\Local\Temp\287cc44f0df0b2c9b16f669c76ad96c7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\50fba6375453a.exe
      .\50fba6375453a.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:2812

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\SaveSale\uninstall.exe

          Filesize

          48KB

          MD5

          f3c79bda3fdf7c5dd24d60400a57cadb

          SHA1

          1adb606aaeedb246a371c8877c737f0f8c798625

          SHA256

          a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b

          SHA512

          c43cb957bdea357bd016fe03a8004a48d8117a12106f62876394feba05ad01a321ff6017ffb7b926cc77712f5ab63ea2e4b169a419c444c8f62aa4933f289935

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          1eeabf7ddbc4d6e1161d15ffaa5f965c

          SHA1

          c6553d2479ea76aa06ab27fc7fc3f7f075059b72

          SHA256

          6bed12e03072bd2ee805624f30907ec84a70db0cfdad1654ad653dc0357b6702

          SHA512

          a2d71edfe1cd300eafcfb8d1455ebbb6d43f6b781ed72327ed8501596f75d9051eefe5e48b72e2fba3ebeccfe668e73fd02ec1cfff16634d5ee87200e88a01e1

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          49a5590f4bbeac250215163fa859e6e1

          SHA1

          a71fe41a7b40822c5c6744446b2770f1d73a83be

          SHA256

          0e945486189bea793e706ada46bc8cb7d9dcd76b53dcbb52d65e8ea1dd5aaa75

          SHA512

          628ed9e9179a506d050c984e28b656715dd5345518f300fdfd520ba6d5505c36fcca896b29c59a15159d9abbcb49bb3d4300579718da724c95282c5f3a90f4e7

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          f51ef5fc4d90cb007de26a3684ac6bfb

          SHA1

          cde36295cbdfc17b64b1ca08da3b36cb925d20b7

          SHA256

          7285e1e898c016cce1d396ca0c8c1557c856ffa19f02c38c67b9162ab8b88dd0

          SHA512

          14f87cba050e6080cd7deeed5ca576d0e2fda401fc941a9b9cdaddde4d18c91cd13e03e286971b3385804e82467cf0b22ae7ba2755632508371c0afbd1d3ba18

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          7a51b11e3db5eb2d8fe66349e0032912

          SHA1

          cca576daf67a20066257509d190a7af1ef3501b2

          SHA256

          238e9c5695df007c6cc3857932a8cb56372ca686b1d7636a2c21b16cbf1a6821

          SHA512

          47659992a54bc8b4dfd93530a059387e9ec5860176b60cca3f61b9198553a977aca4a3ea8ebd899a5470194852d44034f1fa8aea27e360d8b2593eba5e04da3c

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\[email protected]\install.rdf

          Filesize

          705B

          MD5

          58c2510e9a32c035ca9d1e3d2837972c

          SHA1

          9c736b84e73760b67b5bc48120c7b3809040cca4

          SHA256

          a9cbe16566b6571752ece07959e5db91405dbc3677d80536f38056213b13bb21

          SHA512

          d9bac1ac68a1cab3c73eb2a42dfa250b4280e22f4455a206d15fb6fdf7d00ce2b0b50b629d8c8feb976027d0706e76f1204d3b6bd4e8e98ea56c293f6fc053c7

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\50fba63754572.dll

          Filesize

          116KB

          MD5

          da161da8bcb9b8032908cc303602f2ee

          SHA1

          8a2d5e5b32376a40f33d6c9881001425ec025205

          SHA256

          0648d564b30e13a0819f28e00a9af39a6686a4d29ccd265c7d81548e4fe0f67e

          SHA512

          39e882a371dbce2484324811bffdd7ae7655b57401d07bf264aced6b5dac0ae326bd1945c536f05d8ab3b92ca03ff056c5a7baf54f7eb477b45fc405ec54052c

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\50fba63754572.tlb

          Filesize

          2KB

          MD5

          1f14de44d0d63a79f91d3fe90badb5fc

          SHA1

          7fcc921608d2cf40e81cdd9a98e1a15a6ba1f57e

          SHA256

          bd3d85c0136a66b2af79d4d91c1c5700c8931937b7e554d5ece946760ef4a99c

          SHA512

          86eb6ebf9eccf1dcb601db827797ac603c0ebe01b6d73318986275c29bd034c8df5f7c79ddf0b19536faf24bdb11e09ac95ea43e8fe75b0ed3dde76dd139883c

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\bjbhmljhkhfcfaaegeleifccefemldjh\50fba6375435f2.73145549.js

          Filesize

          4KB

          MD5

          d070e77cbdf17dc20ad1f1b1a1b4d3a8

          SHA1

          193aa731e83270153cf07db2566021d534db895c

          SHA256

          0954927f0bdad8d03d593f2674a60a3f4bd0da95421a3d569699f5d5a7570334

          SHA512

          9e12b9cb20d5586bcaf6818243b65cadf3d9b31c5ab62f4e80d342dbdaa87498ffce63a145795f96e07428396e0ee304081e58594446ccd27d2f0cb8140d1d8d

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\bjbhmljhkhfcfaaegeleifccefemldjh\background.html

          Filesize

          161B

          MD5

          b8920bc876e8263d0c66e14db59848bc

          SHA1

          9804573a17437cead239b6c291feab4d8f0da4da

          SHA256

          bc7130f5bba5d9a3b8e25f0c49da7f2b8e315a28ad60d147835170399ccc56af

          SHA512

          c9389c435e13b5697b9942ddd08676d9a9b90ddc6147d2aeaa093ebd19c4b760221fdfa25e799bffcb680529c48c1e23df9cc767fbe14e97a47808b45b4160b9

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\bjbhmljhkhfcfaaegeleifccefemldjh\content.js

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\bjbhmljhkhfcfaaegeleifccefemldjh\lsdb.js

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\bjbhmljhkhfcfaaegeleifccefemldjh\manifest.json

          Filesize

          475B

          MD5

          f91cd42bdfe41bcc97d2eb37eafd8bd2

          SHA1

          c0dd02c8f7959b84bf6583d62ecd308651c37b6d

          SHA256

          6805fc1de5ccc99d653689693aeb3a390116b024eedc26b0ca00a7296ec422a5

          SHA512

          8a043a54c40787174c0f167c0083899757803b06100189a9a485d86ebadfa791b83af0e8a502fd34c2b8b20ad9b4c82cf1c302234db69006cf089e0b7179ab2f

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\bjbhmljhkhfcfaaegeleifccefemldjh\sqlite.js

          Filesize

          1KB

          MD5

          1021075ca3a42da22537abd494757109

          SHA1

          90e7dbcb2bf3c8cb31d053e120e2d684c7041ac0

          SHA256

          ebe457542fa99374dbbb257f0a8fdada0256a061afc07f589ace418e08fd29ca

          SHA512

          25d005d1af38762b327e1eed83fccba6b4ff5def101bb8c0250851b837aee73263a821d8978dcfef251b7e3c12d159d6a785b3afd655346dc6257d7605448dbc

        • C:\Users\Admin\AppData\Local\Temp\7zS650A.tmp\settings.ini

          Filesize

          6KB

          MD5

          4730291b8fe2b08bf092838a5260efe8

          SHA1

          032c4bfb0a8f1611fda573b050eb16fc071350d7

          SHA256

          3ddc202d35723d05873b6251ec05b1b0824df2ee37ec65b139b27e8a6c031487

          SHA512

          fd67990ede59997e4b2a26b12f219c79b9e57d9bdb13806dd0cb4659037a69130d97f37d35fe6b81c20524e72e3b2fee14c005cec211859d74d9340ce97c5f90

        • \Users\Admin\AppData\Local\Temp\7zS650A.tmp\50fba6375453a.exe

          Filesize

          71KB

          MD5

          b78633fae8aaf5f7e99e9c736f44f9c5

          SHA1

          26fc60e29c459891ac0909470ac6c61a1eca1544

          SHA256

          d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

          SHA512

          3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

        • \Users\Admin\AppData\Local\Temp\nst66B0.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • \Users\Admin\AppData\Local\Temp\nst66B0.tmp\nsJSON.dll

          Filesize

          7KB

          MD5

          b9cd1b0fd3af89892348e5cc3108dce7

          SHA1

          f7bc59bf631303facfc970c0da67a73568e1dca6

          SHA256

          49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

          SHA512

          fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

        • memory/2812-81-0x00000000749D0000-0x00000000749DA000-memory.dmp

          Filesize

          40KB