Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 20:51

General

  • Target

    ad7dcda900b09c87ec4092c492b2c53146be7f7e0313940258251ed292ef96ca.exe

  • Size

    2.5MB

  • MD5

    0de2bcd7f0289975042ff6f3b8aed417

  • SHA1

    36c1d9090ce1cbc2b07ad3b83fd057abb8b53d9a

  • SHA256

    ad7dcda900b09c87ec4092c492b2c53146be7f7e0313940258251ed292ef96ca

  • SHA512

    571983e450ee98a67e400afb6f283d0122a3565e5b6e4e9a6fd367af38a5ee321459ad24ed1c14799492e9e33811e7ba4970d0dd611402b6c36dbed7bbed48ec

  • SSDEEP

    49152:h1Os3PHVmVhYwiLtKkKyW4nFU0I+NP/f7I3lMOaYjdxvL0HV:h1OYHVl71RnFXINxv0

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 System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad7dcda900b09c87ec4092c492b2c53146be7f7e0313940258251ed292ef96ca.exe
    "C:\Users\Admin\AppData\Local\Temp\ad7dcda900b09c87ec4092c492b2c53146be7f7e0313940258251ed292ef96ca.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\mOfDwGpjVivQgzi.exe
      .\mOfDwGpjVivQgzi.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:996
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\Vaudix\gK6IqYd4Z3g32a.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:632
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\Vaudix\gK6IqYd4Z3g32a.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:560

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)\Vaudix\gK6IqYd4Z3g32a.dat
    Filesize

    7KB

    MD5

    c9e576a7bca52eaeca4a0b2a5cef6d8f

    SHA1

    8d1dc8b7fe4f5f5b66f67c79c776cac365cf5758

    SHA256

    bdf58414a6fb65ba6bcbc246650aa26e4f0bc75727531b715e8d5665fdfc9d65

    SHA512

    631ada024f11c4df00c23289635551c3aae895abb4de4eebc461ac64ebdc5dece65db4d7d569e2d537472c44f1fb9f082d4d3a6f1ef0b4936004a8ffdb7e2d5b

  • C:\Program Files (x86)\Vaudix\gK6IqYd4Z3g32a.x64.dll
    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    fc18aff432386c02c7ed53b0d6d4a27d

    SHA1

    69d001301123fbeb9a52f53490c051d01c113d38

    SHA256

    ed434a807f68e6573307b6f076f4a24cbfbd115e64deedd2b0d9d3b8c457b487

    SHA512

    0ba6e09ff29382f10ee92547fda6981981eb25a26411d8167519b4d6064f1f0aeba35227d13eee66663a86c0fdd84aba975f11103e38410b7deec1188dbc0cfc

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    d6f16d5fcb18aa491b11aca42d2dfcf3

    SHA1

    ec48acd936b5914e119a3054a3d051ecb631e5ac

    SHA256

    db122246e997b5d70afbf3f1c80509ef2a61ebd130d144c5b1711c12ca61c3e9

    SHA512

    f72a52562bbae1a09dddb05dba97fece56a8f742b8f062440053bf5eb09d977c4f2ab468e32bdc75e9917567db31b5722e9c8a7da25a113de20cb71808b9bff7

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\[email protected]\install.rdf
    Filesize

    591B

    MD5

    395640f90ba5c4b3d6c365fc04198b7e

    SHA1

    7e5d8f2e5f02ae9551d08bb9a9d3bfad4582bc15

    SHA256

    8b8ea372ad226d9cb9bc62e9e5f9ab570575ef6ce5e65bf174645fc780c59589

    SHA512

    0906487fa686342fb7aa6a8d14a5f62a708c551a7fbfcd454764e31d7c7552ab28cd981b41aed9af61eb45509d909e8be929b029e4edd657d4d416ed9139fcd4

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\gK6IqYd4Z3g32a.dll
    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\gK6IqYd4Z3g32a.tlb
    Filesize

    3KB

    MD5

    5b503f1b4056c3d4fbf2d03f88e1adfe

    SHA1

    c8d659ea27bf0ca0bbfd46865d5796589bf9ef68

    SHA256

    231ef0fef77ab6c7fea053f64a9ce7f9e21646b868bfe391962262fc15c9bb6c

    SHA512

    229207201368d9674258389df19132070390f913aa5cc21b7567c515be5f5e0f07cdaa460d497ae355f27f00f7fc75538783d8890f6c9c0e861a7ecb8f520bdb

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\gK6IqYd4Z3g32a.x64.dll
    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\mOfDwGpjVivQgzi.dat
    Filesize

    7KB

    MD5

    c9e576a7bca52eaeca4a0b2a5cef6d8f

    SHA1

    8d1dc8b7fe4f5f5b66f67c79c776cac365cf5758

    SHA256

    bdf58414a6fb65ba6bcbc246650aa26e4f0bc75727531b715e8d5665fdfc9d65

    SHA512

    631ada024f11c4df00c23289635551c3aae895abb4de4eebc461ac64ebdc5dece65db4d7d569e2d537472c44f1fb9f082d4d3a6f1ef0b4936004a8ffdb7e2d5b

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\mOfDwGpjVivQgzi.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\mOfDwGpjVivQgzi.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\ngfkpejjecpckjahnpgpkpmbppmgdbof\QdsjxAXx.js
    Filesize

    6KB

    MD5

    636cc278897694e0fadea7e8eead1700

    SHA1

    55776ff7695be16cd07c28501c425fe6917098bb

    SHA256

    52f81372143b500b42c1d1fe9c35993f6435ebf05b4e946044e01e3ea0b12c4d

    SHA512

    6f8bee79d6ab918ed565716921a0402997270b8101202647c979e28853314a8324ecd3ff4df911a6dac6092edd3ff4d538c2dac5e48032c56a84085ddc42e9e1

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\ngfkpejjecpckjahnpgpkpmbppmgdbof\background.html
    Filesize

    145B

    MD5

    5c8f1bc204ea3e35310b1f39b4e46a18

    SHA1

    b331897d972e0797fc099ed1402d583cb56b797a

    SHA256

    6aa594d65b1d7b0d299ff5d2e3d83b2b5c504d7bddcce6763aaf8e3dc4fa636f

    SHA512

    ee0386aa7875d0403f2971f6e45c36a8a050c1a313923b31f7c2e5e069ee8cc8cb83cb7cd2d999ee4ad67ad77fe69f66b805e9d71473dbb9c8f668ef42ef63cf

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\ngfkpejjecpckjahnpgpkpmbppmgdbof\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\ngfkpejjecpckjahnpgpkpmbppmgdbof\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSB108.tmp\ngfkpejjecpckjahnpgpkpmbppmgdbof\manifest.json
    Filesize

    498B

    MD5

    664e2884e17f23553a19eee317642194

    SHA1

    a28ccc088d6b6692646150f3e8f111e568723fb4

    SHA256

    ee4ef853224cde2aa7e54351c02bc811af939202b82e19cbd1cc011fc3565191

    SHA512

    b2cef8c4dfb6a0648f21c53393b982c9171d8a0344a94970c13866ebd2870de2cd99dab5984000b10802c54a748230104c7997c3d2cd3ac5e97c9355a4cb7ecb

  • \Program Files (x86)\Vaudix\gK6IqYd4Z3g32a.dll
    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • \Program Files (x86)\Vaudix\gK6IqYd4Z3g32a.x64.dll
    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Program Files (x86)\Vaudix\gK6IqYd4Z3g32a.x64.dll
    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Users\Admin\AppData\Local\Temp\7zSB108.tmp\mOfDwGpjVivQgzi.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/560-77-0x0000000000000000-mapping.dmp
  • memory/560-78-0x000007FEFC201000-0x000007FEFC203000-memory.dmp
    Filesize

    8KB

  • memory/632-73-0x0000000000000000-mapping.dmp
  • memory/884-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp
    Filesize

    8KB

  • memory/996-56-0x0000000000000000-mapping.dmp