Analysis

  • max time kernel
    39s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:42

General

  • Target

    8187ada28359a94f736ffc7e062210b7555ef328d6c65ee1b2e241226c51eea1.exe

  • Size

    2.1MB

  • MD5

    b4b29dd71ae8d4b486eefe6406f9decc

  • SHA1

    393db232b749c6ae49c08e0f7201e1fff77b92d1

  • SHA256

    8187ada28359a94f736ffc7e062210b7555ef328d6c65ee1b2e241226c51eea1

  • SHA512

    9312bcd699be6502721cdded91de05f8110c13c5fa63f190644bb5dfef1c33e38bd7b33782a61b055fa9b8b8d9924a07e6e91208b8958e0fa18088dbc53c4abe

  • SSDEEP

    24576:h1OYdaOh7QJkxGYNiu6+HRxMBMBtqCnd2Hoi1FLVHHD6gwDxvbZmPw5wea5nYGJ:h1OssGGYj/MOpd2H1BVgmPJ1nJJ

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 11 IoCs

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

  • Drops file in Program Files directory 8 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8187ada28359a94f736ffc7e062210b7555ef328d6c65ee1b2e241226c51eea1.exe
    "C:\Users\Admin\AppData\Local\Temp\8187ada28359a94f736ffc7e062210b7555ef328d6c65ee1b2e241226c51eea1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\U0OY21C3v0Nr1EK.exe
      .\U0OY21C3v0Nr1EK.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1172
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\wxDDownload\n2aDGUzgWCI3VK.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:840
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\wxDDownload\n2aDGUzgWCI3VK.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:844

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\wxDDownload\n2aDGUzgWCI3VK.dat
    Filesize

    6KB

    MD5

    8fef7508e9b4cf4b91e91cdfb717b635

    SHA1

    dbf66c8c7fd3c05ae8a2355b689d741de5412db8

    SHA256

    81e363d8b1bbbd19bb7b024692f883b6829c63d589109a412942299b5fec0fad

    SHA512

    d5a5d094f7d7d3b6209b17fcefac76dd485f8c4403f5e78f13c14676b0023e1f71b29ce08d830f39b854f0d0e5999e53545ef21a5b07a68c1a7491ec7d5101bd

  • C:\Program Files (x86)\wxDDownload\n2aDGUzgWCI3VK.x64.dll
    Filesize

    699KB

    MD5

    1fe3d25ff48d168cb86094de5401cab0

    SHA1

    c6e746f4c629185d8ef71d275845e1d072483923

    SHA256

    5cecdf46cd265705f19edaabc14272048a1da3563ed099303f8ed47ba3056a04

    SHA512

    ba3df2cf1031830fc9847c3213ec9fcd1c36c646071b2e5ae12b4bbf502a199e704131b6c53954a6ff969ba611e13743e89f0b26614b831d8b39c61a484c9be4

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    0d85cdd17777fa182724262badfd2420

    SHA1

    89cc67cdadaf93506c798fc73be3673f7de0a35b

    SHA256

    a9497036cc93d3cf2adf987c484737a53392e4231a163bcc0ac97920ab635250

    SHA512

    b17f3f7911e60bffc00a061fe3a383d5706fc0ab52bcbec909e40ec29128d0a2da2b33fe31ad495f1c17f9ba0c8c0cdca37febc3cd165f42dbe1cdc7664e1e7f

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\[email protected]\content\bg.js
    Filesize

    7KB

    MD5

    e23b0055e9d1d87d454fe166e8c0d8fd

    SHA1

    3e88b3d38bda80c0ca814a2e3f9655a9ad3b28c6

    SHA256

    2932320a28cc866f3245a72e83bb66d335a937b8ea8741e9a5256ee5360f4f52

    SHA512

    667cbe461b211bad77c3bd4f8adbc1ecab00c62ae84dba47209b70d5c69bbb19a67b22bd0675f2ba9a0cbae6b2d1ed3304a839aab7a2ab877051a4fd49b1fb77

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\[email protected]\install.rdf
    Filesize

    594B

    MD5

    4b202060ad9c9da9544d731f0297261b

    SHA1

    1294d109728b745a4a54cc900590cc916ec7fa30

    SHA256

    a55993bb53edd89b78d189ca032dc77c91507b6bc14e210f21493d39ee363a80

    SHA512

    4fe6e27704161bfac6997aa5b3c9750cb1eb915aa96fa34401530cc1896c098f502c81de496c97d988fe6aad1b65aed4b749018b88cae772ab24736a681cfa01

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\U0OY21C3v0Nr1EK.dat
    Filesize

    6KB

    MD5

    8fef7508e9b4cf4b91e91cdfb717b635

    SHA1

    dbf66c8c7fd3c05ae8a2355b689d741de5412db8

    SHA256

    81e363d8b1bbbd19bb7b024692f883b6829c63d589109a412942299b5fec0fad

    SHA512

    d5a5d094f7d7d3b6209b17fcefac76dd485f8c4403f5e78f13c14676b0023e1f71b29ce08d830f39b854f0d0e5999e53545ef21a5b07a68c1a7491ec7d5101bd

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\U0OY21C3v0Nr1EK.exe
    Filesize

    632KB

    MD5

    c40cbd955bd3bbbf7de8218b95004eeb

    SHA1

    fe5fccf0a2166f1fc11812de679d77475e9deb36

    SHA256

    76dbb3388f2339883bb20fdf6330e77b12f4493976ec5b2649d7427429c92398

    SHA512

    6fee70cceeee8ba54d3fcda5e94ef3a98f1c51c79673b46081fd00793ad0f99fe0111bdcb7fee2e13aa10a1d51d94a5b41a1426389bc0c6ce0297b93ba3f13ba

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\U0OY21C3v0Nr1EK.exe
    Filesize

    632KB

    MD5

    c40cbd955bd3bbbf7de8218b95004eeb

    SHA1

    fe5fccf0a2166f1fc11812de679d77475e9deb36

    SHA256

    76dbb3388f2339883bb20fdf6330e77b12f4493976ec5b2649d7427429c92398

    SHA512

    6fee70cceeee8ba54d3fcda5e94ef3a98f1c51c79673b46081fd00793ad0f99fe0111bdcb7fee2e13aa10a1d51d94a5b41a1426389bc0c6ce0297b93ba3f13ba

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\homjianiidndgndhihikjaeomlgkjomk\BOCL3uOy.js
    Filesize

    5KB

    MD5

    c99705da17a7790f7e8d6fe851cf03dd

    SHA1

    06adb68c6839fb58868d603f0499848ad51e01b1

    SHA256

    c4eb6bbc7bf91645216e1330ede0345bcd40993d981160a2ba540b0cbd4dbd9a

    SHA512

    487b6c8cae8fc474d88485897dc50d8d505f0598744a206808a3cd7c619c3b5b18b6030039c020b4be3612faeb04be33dbf2e90922419c4814b97f0b4a30b5d1

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\homjianiidndgndhihikjaeomlgkjomk\background.html
    Filesize

    145B

    MD5

    156169eb72ccfee845f7a5129a2b9d60

    SHA1

    a69891e6ed553688a28c0ea4da3d7ded2a724de4

    SHA256

    e8ea3ed6d223fda97823368cb26e554ea2dc6926060648952676262322a0cfad

    SHA512

    864a87f6f7c6f460cdcece42d49658b7ae7bf5ea7dcc97292d780ff187c587d09ac0c693ba31fb4862e185f2c760b96574ae5500fd4dfebf8273deeb75c9859b

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\homjianiidndgndhihikjaeomlgkjomk\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\homjianiidndgndhihikjaeomlgkjomk\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\homjianiidndgndhihikjaeomlgkjomk\manifest.json
    Filesize

    501B

    MD5

    25eb65d7c7d3e392b27628780b5da5b2

    SHA1

    150aa2c9a3cf0f692e8033dbbebd354b066d64d8

    SHA256

    7ec0f553fead18c254211c396bd7152d0efa67f5935f08e319c208d52a4ee5b8

    SHA512

    01e03abc5ab8773f8b084a546d6606ed1152a54a16f70d09e6121e3842e9ed6587a90534c59ae0b05928298f0bb9ff40be0f30d020d46230197c56bdd5603d49

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\n2aDGUzgWCI3VK.dll
    Filesize

    619KB

    MD5

    d87bbe9d29b88e94ba03b16567033ddf

    SHA1

    19102742808244a23ca403d983dfd9f7088fffe3

    SHA256

    fdbce4dd2b45ac64620fc875bd12d8706a197bc3def75cdc33b9984f039da5b5

    SHA512

    24ea28c1104ee07604124842a99e359a53644e7693515dcf1b9a4dc7c8258c9d1bdc8b78b7018582521b6d41aebb96a1a38b6994fe83a12e29418bb011c69d03

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\n2aDGUzgWCI3VK.tlb
    Filesize

    3KB

    MD5

    fb73184b9c1bfaa44e6cbdb593fd2909

    SHA1

    4585af18986a5e24c544fcecd9e02e3006f440d1

    SHA256

    c89fa0e13aa5c8930b6f28648653b815d4a93cd13e8d7d0f1bf8bf1a49920edb

    SHA512

    2e130f61d2211b7d2799905937b78d5119c3b22580c467dcfe757d8ac5b1e86c33fb69e3c67a6267f4db0a2730dc7cc399b8020d077b30d77428f54ec03523ed

  • C:\Users\Admin\AppData\Local\Temp\7zS5E09.tmp\n2aDGUzgWCI3VK.x64.dll
    Filesize

    699KB

    MD5

    1fe3d25ff48d168cb86094de5401cab0

    SHA1

    c6e746f4c629185d8ef71d275845e1d072483923

    SHA256

    5cecdf46cd265705f19edaabc14272048a1da3563ed099303f8ed47ba3056a04

    SHA512

    ba3df2cf1031830fc9847c3213ec9fcd1c36c646071b2e5ae12b4bbf502a199e704131b6c53954a6ff969ba611e13743e89f0b26614b831d8b39c61a484c9be4

  • \Program Files (x86)\wxDDownload\n2aDGUzgWCI3VK.dll
    Filesize

    619KB

    MD5

    d87bbe9d29b88e94ba03b16567033ddf

    SHA1

    19102742808244a23ca403d983dfd9f7088fffe3

    SHA256

    fdbce4dd2b45ac64620fc875bd12d8706a197bc3def75cdc33b9984f039da5b5

    SHA512

    24ea28c1104ee07604124842a99e359a53644e7693515dcf1b9a4dc7c8258c9d1bdc8b78b7018582521b6d41aebb96a1a38b6994fe83a12e29418bb011c69d03

  • \Program Files (x86)\wxDDownload\n2aDGUzgWCI3VK.x64.dll
    Filesize

    699KB

    MD5

    1fe3d25ff48d168cb86094de5401cab0

    SHA1

    c6e746f4c629185d8ef71d275845e1d072483923

    SHA256

    5cecdf46cd265705f19edaabc14272048a1da3563ed099303f8ed47ba3056a04

    SHA512

    ba3df2cf1031830fc9847c3213ec9fcd1c36c646071b2e5ae12b4bbf502a199e704131b6c53954a6ff969ba611e13743e89f0b26614b831d8b39c61a484c9be4

  • \Program Files (x86)\wxDDownload\n2aDGUzgWCI3VK.x64.dll
    Filesize

    699KB

    MD5

    1fe3d25ff48d168cb86094de5401cab0

    SHA1

    c6e746f4c629185d8ef71d275845e1d072483923

    SHA256

    5cecdf46cd265705f19edaabc14272048a1da3563ed099303f8ed47ba3056a04

    SHA512

    ba3df2cf1031830fc9847c3213ec9fcd1c36c646071b2e5ae12b4bbf502a199e704131b6c53954a6ff969ba611e13743e89f0b26614b831d8b39c61a484c9be4

  • \Users\Admin\AppData\Local\Temp\7zS5E09.tmp\U0OY21C3v0Nr1EK.exe
    Filesize

    632KB

    MD5

    c40cbd955bd3bbbf7de8218b95004eeb

    SHA1

    fe5fccf0a2166f1fc11812de679d77475e9deb36

    SHA256

    76dbb3388f2339883bb20fdf6330e77b12f4493976ec5b2649d7427429c92398

    SHA512

    6fee70cceeee8ba54d3fcda5e94ef3a98f1c51c79673b46081fd00793ad0f99fe0111bdcb7fee2e13aa10a1d51d94a5b41a1426389bc0c6ce0297b93ba3f13ba

  • memory/840-73-0x0000000000000000-mapping.dmp
  • memory/844-78-0x000007FEFB7D1000-0x000007FEFB7D3000-memory.dmp
    Filesize

    8KB

  • memory/844-77-0x0000000000000000-mapping.dmp
  • memory/1172-56-0x0000000000000000-mapping.dmp
  • memory/1184-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp
    Filesize

    8KB