Analysis

  • max time kernel
    122s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04/02/2024, 17:04

General

  • Target

    8fb16fdcaec4600de0e247761a16bf5e.exe

  • Size

    250KB

  • MD5

    8fb16fdcaec4600de0e247761a16bf5e

  • SHA1

    0d1624a69f9017a4e1606edf55c5fe7fe3a5a05f

  • SHA256

    52f9a39870e309546c2f45ddb76cd3ebc0a1f39222a5528da342fd0fa1226f61

  • SHA512

    338faab2424c490d112f25345bb97367868149f53abefcc5a9c4f6e281a43cdb7c72a19f014aaf6f44f8ea7515f18e411de6d5ade9dc448bebb8a000309038d3

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5BzXdfFiYe7i/jlKQDU:h1OgLdaODc2wQ4

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\8fb16fdcaec4600de0e247761a16bf5e.exe
    "C:\Users\Admin\AppData\Local\Temp\8fb16fdcaec4600de0e247761a16bf5e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\50f967b9ebca6.exe
      .\50f967b9ebca6.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:2900

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Zoomex\uninstall.exe

          Filesize

          48KB

          MD5

          f3c79bda3fdf7c5dd24d60400a57cadb

          SHA1

          1adb606aaeedb246a371c8877c737f0f8c798625

          SHA256

          a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b

          SHA512

          c43cb957bdea357bd016fe03a8004a48d8117a12106f62876394feba05ad01a321ff6017ffb7b926cc77712f5ab63ea2e4b169a419c444c8f62aa4933f289935

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          eb9686bcb189a7a8b2e79aeb9775aa79

          SHA1

          8dcbbd434a5e52582ef79f34c839511eb62672d3

          SHA256

          e999ca6dca3d2d4f81c663d9f94a5806254f8d110008f4ce88a09ea07f7a7f59

          SHA512

          f4fe00bdb8ed58aa68304a245e6d62cf614db9b1302637c366fa3ae2bfba0f7c94a11ab3bd0fdba23ab18dc6789b30169cf2fa8f4a2c32c52054444c09df778a

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          6fe781667a12004fa1e145aacac6b74f

          SHA1

          47c8ecba5f489d3f3d1d5e8f0a1c7f5441eed386

          SHA256

          39a5a9cfec6aa698b4ec456790a90636a488b0f91dadbcf39b4779047e8fff47

          SHA512

          92d084c9dfb252599589f931b6c4f6108d99bd51621d4a8314d0b1df8054cb16cbe3f4cbb88202bc92bacc8b7a5b7ea9efbed764f8588634321f53247f7513ab

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          03646c02ee9c9d70186de8b5efd725cc

          SHA1

          e1b71612f4699d94b5fcff58559bd1d90c177228

          SHA256

          fa662e0ff1e6a4d17bf4143a0f091f1b8022dd679106a8db2b5c4f84c1140123

          SHA512

          ad9326762aa1122ed78b7ab05bd2c71a5949626c19473353dc4856aa68dc43c82081997a286df2cedb315b0eb986b61755b3fd3929744ba0460e82c6f0aabfb5

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          5b66dc51f75f5e5a69d313e771e8f79c

          SHA1

          d7dcd872126bab201e9bd82d5270c35497e063ac

          SHA256

          9b118d23fd5fc63ecc5ac6114203cf789959c8be0a35e7a6e1f52281f3d0f59f

          SHA512

          1b3a9f05192ba371788715b347cc4f5d8437436a640ca6b2e582a94665f245d4d4e34acf15a95645e74ce72e132a18f6965419ba7143539bda53032547d361c6

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\[email protected]\install.rdf

          Filesize

          700B

          MD5

          238166f0a52015908eb9e1d29cd843db

          SHA1

          94f525b2f28a13d3f277c59bd9c98ed68c899c47

          SHA256

          dbd0416b7202341d3b694463ecb57a74a2d8a660d2e21c1415c385b7086d062e

          SHA512

          29ae545a96b4d2963755ef3f21a66266e53f3e0fdd5bf4aa3f35e6c40b132ec10d4b201036164826a8dffda1a980507277e279573f8b7e3b3d2363039f3f4101

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\50f967b9ebcdf.dll

          Filesize

          116KB

          MD5

          da161da8bcb9b8032908cc303602f2ee

          SHA1

          8a2d5e5b32376a40f33d6c9881001425ec025205

          SHA256

          0648d564b30e13a0819f28e00a9af39a6686a4d29ccd265c7d81548e4fe0f67e

          SHA512

          39e882a371dbce2484324811bffdd7ae7655b57401d07bf264aced6b5dac0ae326bd1945c536f05d8ab3b92ca03ff056c5a7baf54f7eb477b45fc405ec54052c

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\50f967b9ebcdf.tlb

          Filesize

          2KB

          MD5

          1f14de44d0d63a79f91d3fe90badb5fc

          SHA1

          7fcc921608d2cf40e81cdd9a98e1a15a6ba1f57e

          SHA256

          bd3d85c0136a66b2af79d4d91c1c5700c8931937b7e554d5ece946760ef4a99c

          SHA512

          86eb6ebf9eccf1dcb601db827797ac603c0ebe01b6d73318986275c29bd034c8df5f7c79ddf0b19536faf24bdb11e09ac95ea43e8fe75b0ed3dde76dd139883c

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\amolhifdfoiagigbafbhfjdkhhkeoema\50f967b9ebaae0.02925587.js

          Filesize

          4KB

          MD5

          324b6abf328ae64aa32e5ae85b35da94

          SHA1

          88aba80d96f02f978742053fcf6c1844bf778e17

          SHA256

          7bb0ec3ee7a119dcecf2817434207de23e01c0ceb371da6a408ecd5b6fc67452

          SHA512

          358144dbc9d8eaee8e9b68fae7f403c98b9e66143db45229cc7900f7d77346e10506c6540acc8bda2457cd99a0e647979ad8fa4e778f3294dce0e511df945edc

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\amolhifdfoiagigbafbhfjdkhhkeoema\background.html

          Filesize

          161B

          MD5

          3b1ccaa20cf583f63c321ef9177c0f14

          SHA1

          65e417c15c3de78f8b5da533a4943aa6fcc4278e

          SHA256

          6c9ab5b119585fd4ec18f5724fd7ddfc49bc2f0898cfaed0b3637f901a6368e9

          SHA512

          2e61a044f4e256b48b5660f4de78b939ed53e32f426d944968302578331486ff3e38fcde3fd0517de7ab6562f55c9385ad538dfb83634329d182e10171340945

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\amolhifdfoiagigbafbhfjdkhhkeoema\content.js

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\amolhifdfoiagigbafbhfjdkhhkeoema\lsdb.js

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\amolhifdfoiagigbafbhfjdkhhkeoema\manifest.json

          Filesize

          475B

          MD5

          95b6b9aa3a3730d6d373a68eb5b411c9

          SHA1

          05cc71bfa2d2a2a18e169def790cca29f757dd3e

          SHA256

          5ac43caaa60d48d2c5bc8059dc845eb344b31c088207c8da714f7a36d500c69e

          SHA512

          5a178056071d0c94d2cfdf72a60403fbf9703cc28abe560f1f04fc2e073188f595c6bb3b687c7e2654899e103a229fe123c41af8aebbe189c9854ed71d8c672e

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\amolhifdfoiagigbafbhfjdkhhkeoema\sqlite.js

          Filesize

          1KB

          MD5

          2a010612330f7a666c90ff4975a69491

          SHA1

          ef3b79a5792a8681d3ab9e3a5dba20dc83e60a52

          SHA256

          319116453ba1164b7d0c96707809c9675adb22012dc86eb3d129e52e8f3c3eda

          SHA512

          9b5e35d550899056c74f19b28424df75373a4118e0dc9ec398097b0910cc130dd22796b206f2ba01de08c805d2e081f6df2778b6c27086774942d810f05d97e6

        • C:\Users\Admin\AppData\Local\Temp\7zS5A02.tmp\settings.ini

          Filesize

          6KB

          MD5

          3f7167c31481559e75a1c78b867a471e

          SHA1

          d5132f578e3e3948d35aeb77ca06475a65057613

          SHA256

          8b74068086662a0199d96ee192eab5ca4c035f3232b6fda879ae1d1c239bbfbd

          SHA512

          5f7b7be4aeef959b73bca0f4fdbd9f77890e504b43c0b4b97b2af7836acc93e5d5f55e8f615b40f7eac48a8e595d578b9f6794a6158a5e9e94ebe767ba331cbe

        • \Users\Admin\AppData\Local\Temp\7zS5A02.tmp\50f967b9ebca6.exe

          Filesize

          71KB

          MD5

          b78633fae8aaf5f7e99e9c736f44f9c5

          SHA1

          26fc60e29c459891ac0909470ac6c61a1eca1544

          SHA256

          d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

          SHA512

          3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

        • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\nsJSON.dll

          Filesize

          7KB

          MD5

          b9cd1b0fd3af89892348e5cc3108dce7

          SHA1

          f7bc59bf631303facfc970c0da67a73568e1dca6

          SHA256

          49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

          SHA512

          fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

        • memory/2900-80-0x0000000074530000-0x000000007453A000-memory.dmp

          Filesize

          40KB