Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2024 05:54

General

  • Target

    42ebc9b41ac314b18f8b9d109c854d7d.exe

  • Size

    250KB

  • MD5

    42ebc9b41ac314b18f8b9d109c854d7d

  • SHA1

    2aa97e5b7909d495fe4e32293eeb32a408be6fc2

  • SHA256

    7e5813638c13661fa28cf5c6e73f192be2e646a769efd0ed107f817ade2bd1cb

  • SHA512

    a586ba4f7c7aa31c9230445d2180f5d27fdc60ff550e0a9d427c5a76faf8befef9e812572cb9be81a2de6bef8e95f7ca81ae2d70713119ac48ec9c372245c47e

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5MLl5u7iQu0BTSScaBN:h1OgLdaOMR5u7DB+ScyN

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\42ebc9b41ac314b18f8b9d109c854d7d.exe
    "C:\Users\Admin\AppData\Local\Temp\42ebc9b41ac314b18f8b9d109c854d7d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\50f9686f14989.exe
      .\50f9686f14989.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:2700

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\7zS87B6.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    5b84f47fab721970100b68b77cdb3c05

    SHA1

    e3487bd4fe9d8285b67d0ec4450186c9dae4285b

    SHA256

    0734e6afed329f1a2c0f62004521fcdf2d32c6db7716b89c13de196a02ccc7c9

    SHA512

    14a95cdc0c435bc4f9ac790d92a9be2fd3cc06b0b25ebbb6754972704ec831c5a6d3d78323d01ac13f135c5656c9c9bb71b6c928333c859e1c2aad53bb3f1879

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    be0c54c5d6cf0efbfd8bbe3ee8c3f215

    SHA1

    ec955e7e9288363273585297cab03517c46aa2dd

    SHA256

    f5ba1d3b134153940a838e79621b1439c8b01c65762fee2e9ab0b91dc9f5dd44

    SHA512

    c86c2d752c3973d0ebaa634857f1e28ad8837089c5b20424a3d011397ba5dac3a53d3b1b694d3a9461998c5266191558829fe404e67bae2fea37b5ff7ac17320

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    23b0cf0a85d1cc0d50bbd53872c72dbc

    SHA1

    8614e5118e562516955abaa955f759769ec9e62a

    SHA256

    19d2f9f15b1a04f02c66c09204b2bd8502cdb36c972c6c3ddc5ed5069412ff83

    SHA512

    e7a7b6379c18441ad7d94c946e1be2eb595e5f9f676dc7761c4218fe287d23922906c20002932ed22ed4713a63ecd3c3c85585d4040c6a7459d201cf1770fd16

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    c5380310a23cfc873310144c55ac01d9

    SHA1

    a998ecc1f93584536a7d2f38642163c4de67b5ca

    SHA256

    cd9c3340846243d3d0b59711cca3d6fea8fafc6660d5dd63f9cbc2a4c66e474f

    SHA512

    720397f8df606b37a0cc6e245ccee9d4e5fa91da7cd82b6ab18ec336beca7eacad6ed6e816c3b0e03cbf888f37c27db04421e4f95864b6556a8d13e79ffd1963

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\[email protected]\install.rdf

    Filesize

    700B

    MD5

    10f32b6a87dc3e3b469e609a7e3cff12

    SHA1

    72a3d9c15dbeeb3799db9f94729d169f84f5d23a

    SHA256

    6a4b7b58bd06d2d24ced0fb0002d7fb3d92725c93152cc871aefb8d1417dd919

    SHA512

    ecbaa78e68dab110facda6b61ccb3d3d43f523fecac0dfa92b65eecff7759228e58b0565de4181f5ab01f677b60d8f7fe72511b3c6f8911f4f33755ac1af370d

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\50f9686f149c1.dll

    Filesize

    116KB

    MD5

    da161da8bcb9b8032908cc303602f2ee

    SHA1

    8a2d5e5b32376a40f33d6c9881001425ec025205

    SHA256

    0648d564b30e13a0819f28e00a9af39a6686a4d29ccd265c7d81548e4fe0f67e

    SHA512

    39e882a371dbce2484324811bffdd7ae7655b57401d07bf264aced6b5dac0ae326bd1945c536f05d8ab3b92ca03ff056c5a7baf54f7eb477b45fc405ec54052c

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\50f9686f149c1.tlb

    Filesize

    2KB

    MD5

    1f14de44d0d63a79f91d3fe90badb5fc

    SHA1

    7fcc921608d2cf40e81cdd9a98e1a15a6ba1f57e

    SHA256

    bd3d85c0136a66b2af79d4d91c1c5700c8931937b7e554d5ece946760ef4a99c

    SHA512

    86eb6ebf9eccf1dcb601db827797ac603c0ebe01b6d73318986275c29bd034c8df5f7c79ddf0b19536faf24bdb11e09ac95ea43e8fe75b0ed3dde76dd139883c

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\bjhibjepjplnhecjdilpdefpfdnigalc\50f9686f147b19.40874807.js

    Filesize

    4KB

    MD5

    1cb572f653e3c32bb28bd40b0b2e4c7e

    SHA1

    4fcc191be77a33bc6039fbe62276fe5d2575315b

    SHA256

    b16444e92f92fa7297c06efa7b7194cf6b9bb440a593e9a2b1af57b795a9ea73

    SHA512

    1df45cf17db7e6ddc519e47c874b15a463104339190bcb6dd39edc2e7f784bab438a17652e0b6af81c81bd82a7b19e6b8dc22e671602ad4c013d331cbd349654

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\bjhibjepjplnhecjdilpdefpfdnigalc\background.html

    Filesize

    161B

    MD5

    7db7b181a756d72504adc44bcdcc07ba

    SHA1

    081cdc9b63cbdc37b42e9672ecc28b60a69a1808

    SHA256

    efb6e410afdfb770d4560bbb8f68b3c3c845ea42405ffbe6b72743a1b4638a43

    SHA512

    af21f059e9fc1ada2c695893a190548452e6d8e71ae2890acce8821cfcdc8f4f0f3229da026b3872f3b3b5815c3bd4efa5a5fb8dff3dfa6b84f933035999e440

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\bjhibjepjplnhecjdilpdefpfdnigalc\content.js

    Filesize

    197B

    MD5

    5f9891607f65f433b0690bae7088b2c1

    SHA1

    b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

    SHA256

    fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

    SHA512

    76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\bjhibjepjplnhecjdilpdefpfdnigalc\lsdb.js

    Filesize

    559B

    MD5

    209b7ae0b6d8c3f9687c979d03b08089

    SHA1

    6449f8bff917115eef4e7488fae61942a869200f

    SHA256

    e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

    SHA512

    1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\bjhibjepjplnhecjdilpdefpfdnigalc\manifest.json

    Filesize

    475B

    MD5

    95b6b9aa3a3730d6d373a68eb5b411c9

    SHA1

    05cc71bfa2d2a2a18e169def790cca29f757dd3e

    SHA256

    5ac43caaa60d48d2c5bc8059dc845eb344b31c088207c8da714f7a36d500c69e

    SHA512

    5a178056071d0c94d2cfdf72a60403fbf9703cc28abe560f1f04fc2e073188f595c6bb3b687c7e2654899e103a229fe123c41af8aebbe189c9854ed71d8c672e

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\bjhibjepjplnhecjdilpdefpfdnigalc\sqlite.js

    Filesize

    1KB

    MD5

    e8fbff8ea6a47a155908529de72a7293

    SHA1

    531528644cc5c1b345606f43c9454144e25fb73c

    SHA256

    2462380f205c939c2a9f916f1e2ac711ea81a3996960e111aa393f85a92157ff

    SHA512

    793df8180c330e77919cf99d6fe9f29d9b7b83e285fd733b256edabb2f805659c15d5f4a075641da4a5d0cf5af730fb27521683ec73d74ffc2fa50e7efef94e6

  • C:\Users\Admin\AppData\Local\Temp\7zS87B6.tmp\settings.ini

    Filesize

    6KB

    MD5

    f26afe0af2df8c081c33036a483551ec

    SHA1

    2c7788a7c0f13735f5712fa16f88eb323d067350

    SHA256

    60feb0d7875c2b410ef675063a0988c255cd286b6df42b4cdb326b3adc0fee86

    SHA512

    5dbc08cde19d20658f1e728a9ca7f9bcb1116a1859d93f5d2412d067d190999ca6100458b0f294656379a7643349938f677f95da6c30703739c71b90aab62828

  • \Users\Admin\AppData\Local\Temp\7zS87B6.tmp\50f9686f14989.exe

    Filesize

    71KB

    MD5

    b78633fae8aaf5f7e99e9c736f44f9c5

    SHA1

    26fc60e29c459891ac0909470ac6c61a1eca1544

    SHA256

    d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

    SHA512

    3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

  • \Users\Admin\AppData\Local\Temp\nsy88EF.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • \Users\Admin\AppData\Local\Temp\nsy88EF.tmp\nsJSON.dll

    Filesize

    7KB

    MD5

    b9cd1b0fd3af89892348e5cc3108dce7

    SHA1

    f7bc59bf631303facfc970c0da67a73568e1dca6

    SHA256

    49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

    SHA512

    fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

  • memory/2700-80-0x0000000074360000-0x000000007436A000-memory.dmp

    Filesize

    40KB