Analysis

  • max time kernel
    88s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 03:34

General

  • Target

    036233bab076411c06afd1bf94637261.exe

  • Size

    250KB

  • MD5

    036233bab076411c06afd1bf94637261

  • SHA1

    228f32e40d49eaea612dae3479db8d7bdbcc6cf5

  • SHA256

    14d54a9d951b23bce49e7f60f7982e0b65a7160cdba6089557d0fb2e4633b01c

  • SHA512

    e7b18fbfdf54b85a85a1b6dcf7ce34bf4e462ff43027dd8a1a84af3971f68327bf22b0513211a22b87d2de16f642cafe2433955737b55b14c20818ff86c4dc8a

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5rKimyPtL5IoJ4cnCBR76Bggf:h1OgLdaO+10XJ/nCBZm

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 3 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 6 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\036233bab076411c06afd1bf94637261.exe
    "C:\Users\Admin\AppData\Local\Temp\036233bab076411c06afd1bf94637261.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4824
    • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\511142da639c5.exe
      .\511142da639c5.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:3964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Zoomex\511142da639fd.dll

    Filesize

    1KB

    MD5

    7c205c06d8a2d13a6a305b638fe2d27d

    SHA1

    d243948693c7794c0d27b4f8edbbad643c36a6e9

    SHA256

    38da4ea2f5ba7ee378523d62dd7a15795d01b0dfb3af140fbfe23644f8c85c6d

    SHA512

    56c4f7e31a3adbc442c21656deccee2bc178fd07d1c4be56bfb04c9a5d4c1d520bf7305d00e9cb5aa0201a4dddef728257ea1a3b67eca952e7b87eed75e14b0d

  • C:\ProgramData\Zoomex\511142da639fd.dll

    Filesize

    7KB

    MD5

    a45461941b8b167709d31aa384184c74

    SHA1

    8cb5a966caead1758ee759383893f281c81a1641

    SHA256

    92418115a33fbf40ba7c04e9a26ef12015177522fd66e120155b4803424dad9f

    SHA512

    5ca0db2a4ae8c107d7220f763024ac3bd4fa6e71eb0c427fab9a6f174592e8ca8cc5f3eff78a2b9c5dc24e2f122449f4984fb5563d3c983637e92f2a23842537

  • C:\ProgramData\Zoomex\settings.ini

    Filesize

    1KB

    MD5

    3acd61ac0b17844d907491e935f0d0d1

    SHA1

    e7dca175d73065519e356d782f09b2dd13872589

    SHA256

    1244135a94a7534fcc585b27045a16a83c500115ee80006dfcce6ed370b3e091

    SHA512

    d2fc7e1cc86e9d96345d3492fd54092657af1c20b203b7ef0e93d3f6ea35ae4a0084e87e5d3c6709e340f0d634b7dbe1119e5d8c3a9ab926a5e922c817755940

  • C:\ProgramData\Zoomex\uninstall.exe

    Filesize

    48KB

    MD5

    f3c79bda3fdf7c5dd24d60400a57cadb

    SHA1

    1adb606aaeedb246a371c8877c737f0f8c798625

    SHA256

    a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b

    SHA512

    c43cb957bdea357bd016fe03a8004a48d8117a12106f62876394feba05ad01a321ff6017ffb7b926cc77712f5ab63ea2e4b169a419c444c8f62aa4933f289935

  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\llefdgpdkfoljlbincgnappnkfkldece\1\manifest.json

    Filesize

    479B

    MD5

    d9670f9c069ec46aaff5a60a9608e885

    SHA1

    c15da079582c4bf21b06e934dc78f3bd8fbc5607

    SHA256

    a631255a7467449ff89bb97a8d97632411076d00bfb8dc84c19abd100e235e7c

    SHA512

    d7ead015d25cdf1d31ec3330020bd43c5ec702a148c130083fb5ee70a8a4691fe94db7f9390b93d7afbc083531c9c1f23d29bd607c22d7cb362a0cb299645ad3

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    5036825409f4e3d5d298862584de592b

    SHA1

    6ff541ec1a1b7c84771c7e07c9c5751fb9e17de4

    SHA256

    95af7d9f0f9dc429edf79dbb4bb401c01aec9aa0b67082bc01e185fcef3af37e

    SHA512

    b64d81ba42d82fbeb937838d9326bada357cefa042b34b40d41cb38a16bc656af13c79a46b782af906fc9d79a2dfc4177f1cff2adc5ed3b61f55c76b32c90c68

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    984ebcca1a8dc8786f736419f4a69be1

    SHA1

    b57692e1d4a7df329190df26f08a7f3386d34bee

    SHA256

    ff5a0efe69b1bfd930c4c9b09e9ea067452f617d4127b32c9890f3cb4d0a9d95

    SHA512

    d5957ec4c580f9a1b1225f96c0b85a6cdd3c117f3dd740f541fd06f587cb8e452ecfa296cfe1d22fc36a3ef75c4190e1aefe45984145a3f0d6d600a754dacc84

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    ef53ef8459d78e3d370bb342cdb3a8ed

    SHA1

    2ade40832b6dc49d53fb7440941ccbe9f4d6ca1f

    SHA256

    8dd1ec76651f2fed5958a55d76590b41139e6c691bbfa463a15b58b173646a0b

    SHA512

    b66244f64e7e4a460fe22ddc69b21be071675fc0b0f5de5febec72a38d16303faa39c1fd8ae90b467b73d545d7d2e490af2f8e33257ce6d73065eb10ee80c6d2

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\[email protected]\install.rdf

    Filesize

    700B

    MD5

    fba23a1751f5e47d218d74d1a6ec0903

    SHA1

    00d754596c021b90f14e65512dd9a2a4d52e4a7d

    SHA256

    aa87472256f5c2ba3fd7c48ff244afa1c635149bc75c51fc829ce894c6bdc58f

    SHA512

    a0019a978f159bb0c7aa58b03ce0c7d295165f5b3fbb9076476e9f3bc3d397d3ac534b274470f08a8338d10f2df37ac84865d8311462ce89e016a68564a69b90

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\511142da639c5.exe

    Filesize

    35KB

    MD5

    cff8c390139ef723a5ea49537ce788eb

    SHA1

    66e56f458aea566ca13b558f2936d3ea35f4a0e1

    SHA256

    7323d0938f08a3d91d319701976e4199d7f3a0803c862b626454aad2665bf4f7

    SHA512

    371f98fe1d0bd1f2627c628bf15b510ce6812509126e528defa93a87123ba6fcb9b376b342f0764a9440343c3167e6061e84e78c8311a63416581a3ff849e076

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\511142da639c5.exe

    Filesize

    1KB

    MD5

    a5f5fb4e7199843afa11676cce36820b

    SHA1

    7aae6b7cf38c5cfbe89fcced1b7e4feedabb83ce

    SHA256

    5c04242692cfed2c1026da8dccd32a9a289046debecfc8420a4bcfe06510571a

    SHA512

    7963ddb51a267317ea91b6de27fd521fa92a62ec9cce1df26c2a4d3debf5932b5018371d69e52c2313c0f40d4dd94ef5d28496d7194df6202f1fd7b166f6dad5

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\511142da639fd.tlb

    Filesize

    2KB

    MD5

    c749bca713cf6481411b5c4eaac4506a

    SHA1

    539cb813dea7e37eff8c1b696eb0ab42c815ab62

    SHA256

    0a94d2086eb6ac57ba5ee365d3f6f64f33e7c8d18419f04715460bc04ebddf2d

    SHA512

    11b3b333b97b1bbbbbf01b6d367188698470877e180a3854ec9762f706755156136b404f2b95a7304a890686d8f5f697232e6c28497aca20e0aa76988b0f179a

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\llefdgpdkfoljlbincgnappnkfkldece\511142da637d88.23979270.js

    Filesize

    4KB

    MD5

    4026521b4b5a81e91561a911fac57496

    SHA1

    9eb565c373a29a27e32b5d323c2e07fac2d9bb8c

    SHA256

    48fdd4d31c246f7895fe3a5488f47219a9fe5a5ad5e2ee5d4aa3cbd4547f1b43

    SHA512

    63b3974b24260966e376fe2ae9d29d81940ff6c011bdf81f725e7dc48c7e7dd60f7ee2cf8247d096d6b5ebace899f698427a8236e3e772eec474bb44f9289e90

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\llefdgpdkfoljlbincgnappnkfkldece\background.html

    Filesize

    161B

    MD5

    eadf237031713aaaa01268aca19aec2a

    SHA1

    5adb48757315d3590d69ba8d70ed1aac19db3124

    SHA256

    0649532ded87beaec2a5a1580c632a86997008b07d4846a8f6bf50bedc339801

    SHA512

    9c0f617d08f431eabe80632fed6af1161a87e1fbb8f8c5e692acec96e89122926069f52682856301b0df9751826ff54bb1c4fdced127b80bbc04bb74b6c4d889

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\llefdgpdkfoljlbincgnappnkfkldece\content.js

    Filesize

    197B

    MD5

    5f9891607f65f433b0690bae7088b2c1

    SHA1

    b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

    SHA256

    fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

    SHA512

    76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\llefdgpdkfoljlbincgnappnkfkldece\lsdb.js

    Filesize

    559B

    MD5

    209b7ae0b6d8c3f9687c979d03b08089

    SHA1

    6449f8bff917115eef4e7488fae61942a869200f

    SHA256

    e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

    SHA512

    1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\llefdgpdkfoljlbincgnappnkfkldece\sqlite.js

    Filesize

    1KB

    MD5

    357b6011c10a6624f57ec164132fb2a5

    SHA1

    0d32448dcaa4456d01c0278f88aed024c92f1b08

    SHA256

    74d60a4e03f64a56db7c7b2be85b9c973ae2065262fe5807c4ded61c9871f801

    SHA512

    52b96232f4f2a935df1b37e9962bdb122907a1fc0c79adf23043bffd30ef17a3533d7d33dfed5c33c61f8e40c22a17681aff10d928619bedaf1f68829f6cb344

  • C:\Users\Admin\AppData\Local\Temp\7zS38E2.tmp\settings.ini

    Filesize

    6KB

    MD5

    e24d80e9bc0626320782e3f4aafd5831

    SHA1

    d0fbd50572b34fa05f19b883a59d7f650dbee118

    SHA256

    22ce0076b7770e94e839ad77867c69653414bee81194063e99fedbd7dbc61a02

    SHA512

    69f61ac5c0e2358765170b37b01ecf943ecefe38035b30c598c7eed289d07d0d56d5659fd9cecbb48911e92a3fef7a6787822e36e0a2e5e4c0c96b0c7c80cd28

  • C:\Users\Admin\AppData\Local\Temp\nsf3AB8.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • C:\Users\Admin\AppData\Local\Temp\nsf3AB8.tmp\nsJSON.dll

    Filesize

    7KB

    MD5

    b9cd1b0fd3af89892348e5cc3108dce7

    SHA1

    f7bc59bf631303facfc970c0da67a73568e1dca6

    SHA256

    49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

    SHA512

    fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

  • memory/3964-78-0x0000000073DC0000-0x0000000073DCA000-memory.dmp

    Filesize

    40KB