Analysis

  • max time kernel
    4s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 07:50

General

  • Target

    ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1.exe

  • Size

    2.1MB

  • MD5

    ead4c9c97f62257ad9137e60ad3d2129

  • SHA1

    2d113b35245c339d74fba5cb278f263845bbf56e

  • SHA256

    ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1

  • SHA512

    e85696520f30956c7191ac826715cb45d0d043e1d3ef6fee673048994321e39819e074a393fb4000c7663f55465d3f8f1a5f444cda6803f6d9a5ac34f7953a2c

  • SSDEEP

    24576:h1OYdaOWTwLleYkTVug2PiL0jHM8WK5z6Sh19BUfOD4XRt1otyBNvJvMXzGK5IhR:h1OstLARTQ9PimJWtShQnvQsruA

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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1.exe
    "C:\Users\Admin\AppData\Local\Temp\ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\Krqc3oRlvdCtkfv.exe
      .\Krqc3oRlvdCtkfv.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1072
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:520

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.dat

    Filesize

    5KB

    MD5

    d90078b0a199de42768a2060381f0b51

    SHA1

    a336ce90fc165c37c369829907c43805bb295713

    SHA256

    939ba754651adb633b0cc38f59213448bc9f55d4a7a0dce093d6f5f70183d2a0

    SHA512

    8bcaed3f6934578df5ae62308fa08201eeaa5254f35518fce1f91b7fb6290af529e27209acaf4f72d20cf888118b08dfb8a9ca9777e0b4c1c4b976411ded0a33

  • C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.x64.dll

    Filesize

    693KB

    MD5

    c59945c3f5074d51077f2d598680aa11

    SHA1

    7d2ab4599f476d9da677283bdfcff5164a30b2e7

    SHA256

    10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

    SHA512

    d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    df360a8a74b6b11acf7b4d112b5cd4f9

    SHA1

    cf98feadca04f29f8192b0d99767879438c0ed7d

    SHA256

    102679c51775a9b88260a609239ac7e918bd8ec25d2ac4de59707e3d33caa1a7

    SHA512

    1e969f707f1b0dd9a64916b69356b61889603d0becdbd54964345bd69c6d99deed58ead62547cf684a40ee43b464776db0d792f4bc74ad36b08b501b29fc6f8f

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\[email protected]\content\bg.js

    Filesize

    7KB

    MD5

    80e1eb989693ae2cc76e7e25f1f103e3

    SHA1

    9c744548fa68717e20b518e67f76adbc73391961

    SHA256

    db7b43bc63e06042a6ee77c1bae808e1ef2ec1d4a7f4a09cb6505699bfc2e2aa

    SHA512

    3c73caf7a1eb5441bbb7f7047a26575e12a35f2bb44e6f44342fc641407d7ca9556d6dd849ece3de0a38353806bce49157099e3b3bf868ec3b2e0dbea0a2e4f9

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\[email protected]\install.rdf

    Filesize

    592B

    MD5

    eec5aa5cee7f3c64d08f9f0c9dd7cd01

    SHA1

    3ee7da437c2dcef6257dd2d6519ce324bc2e7f67

    SHA256

    8ba35bda63ab0bfd27a665e8e48aca0e07a9383651a6b14e45bd078eb5eed3d4

    SHA512

    1162f838f6c1a739c8282b20ddc893b02f61b9ed24c9e4d701e27fbafa939cc2e5483ce6cbb2b06aa9dca8a1761cd39c5917f609f98733054130ca315a2d9a0d

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\JGJnIdCqVkIGbt.dll

    Filesize

    611KB

    MD5

    123fde8f1a45be2f971b36a8ae5457ef

    SHA1

    78f77c976bec0b388407f986e7866818512eec97

    SHA256

    12869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e

    SHA512

    4ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\JGJnIdCqVkIGbt.tlb

    Filesize

    3KB

    MD5

    d5c4233a6c3de331b459f5f6a35ae3dd

    SHA1

    b5f1bf145f4e0896d7ae500abecbfaca715c18ab

    SHA256

    f3fca93b2a2848af13dcd30cad6305d20319d0a96f622f96753c1aebb91c885c

    SHA512

    4af48daa80dcd76cf45018d7edef74f35c5917457dd598f5a2071bba8875d75280326e41f3f5885d5301a596c22a3833cb062e2f4c97e0d83a01ad2644056e76

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\JGJnIdCqVkIGbt.x64.dll

    Filesize

    693KB

    MD5

    c59945c3f5074d51077f2d598680aa11

    SHA1

    7d2ab4599f476d9da677283bdfcff5164a30b2e7

    SHA256

    10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

    SHA512

    d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\Krqc3oRlvdCtkfv.dat

    Filesize

    5KB

    MD5

    d90078b0a199de42768a2060381f0b51

    SHA1

    a336ce90fc165c37c369829907c43805bb295713

    SHA256

    939ba754651adb633b0cc38f59213448bc9f55d4a7a0dce093d6f5f70183d2a0

    SHA512

    8bcaed3f6934578df5ae62308fa08201eeaa5254f35518fce1f91b7fb6290af529e27209acaf4f72d20cf888118b08dfb8a9ca9777e0b4c1c4b976411ded0a33

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\Krqc3oRlvdCtkfv.exe

    Filesize

    634KB

    MD5

    8b3b2e0c8e5f6fdefb32e82daf230175

    SHA1

    4ddeb5ed636661376b8e1ef41e5162387724ed44

    SHA256

    e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

    SHA512

    8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\Krqc3oRlvdCtkfv.exe

    Filesize

    634KB

    MD5

    8b3b2e0c8e5f6fdefb32e82daf230175

    SHA1

    4ddeb5ed636661376b8e1ef41e5162387724ed44

    SHA256

    e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

    SHA512

    8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\jgnkdnfamedbnecdcmjlpbefpkfkjgeg\WCEHY.js

    Filesize

    5KB

    MD5

    18e883ae1e785f21e3c31e82643bb242

    SHA1

    2d1a685e166884ad02585c5f813b8301e885e198

    SHA256

    2e7aa3441083412691955616e08d55084ff4bb581a7dc86ee7735958881cf21d

    SHA512

    657266643d395dc9a851c7cc30b4f1eb11be98bed4a9997cd91398c33b966c2781e6cc5911c458f421e191b6e9aa45226f62c84a99e13ceff4147066e04a2620

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\jgnkdnfamedbnecdcmjlpbefpkfkjgeg\background.html

    Filesize

    142B

    MD5

    86e86fd63ae44c12ba0b8b3760b57fda

    SHA1

    87117e50c2797b2353be581a49e340796bc6834a

    SHA256

    b7946327ce6f34daa9aefdbb13380feb3c345eea83fc910640ee10e7f5c6143f

    SHA512

    e7732803c080b05f2d808d898b31e85237c385174ce64e854df85a44f4bd324bd687fd411095165b780d99ab91a76efbe26320e3e3312aa6c5081320c4fe79ec

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\jgnkdnfamedbnecdcmjlpbefpkfkjgeg\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\jgnkdnfamedbnecdcmjlpbefpkfkjgeg\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\jgnkdnfamedbnecdcmjlpbefpkfkjgeg\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Program Files (x86)\GoSave\JGJnIdCqVkIGbt.dll

    Filesize

    611KB

    MD5

    123fde8f1a45be2f971b36a8ae5457ef

    SHA1

    78f77c976bec0b388407f986e7866818512eec97

    SHA256

    12869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e

    SHA512

    4ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9

  • \Program Files (x86)\GoSave\JGJnIdCqVkIGbt.x64.dll

    Filesize

    693KB

    MD5

    c59945c3f5074d51077f2d598680aa11

    SHA1

    7d2ab4599f476d9da677283bdfcff5164a30b2e7

    SHA256

    10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

    SHA512

    d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

  • \Program Files (x86)\GoSave\JGJnIdCqVkIGbt.x64.dll

    Filesize

    693KB

    MD5

    c59945c3f5074d51077f2d598680aa11

    SHA1

    7d2ab4599f476d9da677283bdfcff5164a30b2e7

    SHA256

    10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

    SHA512

    d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

  • \Users\Admin\AppData\Local\Temp\7zS7B0A.tmp\Krqc3oRlvdCtkfv.exe

    Filesize

    634KB

    MD5

    8b3b2e0c8e5f6fdefb32e82daf230175

    SHA1

    4ddeb5ed636661376b8e1ef41e5162387724ed44

    SHA256

    e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

    SHA512

    8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

  • memory/520-77-0x0000000000000000-mapping.dmp

  • memory/520-78-0x000007FEFC181000-0x000007FEFC183000-memory.dmp

    Filesize

    8KB

  • memory/536-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

    Filesize

    8KB

  • memory/944-56-0x0000000000000000-mapping.dmp

  • memory/1072-73-0x0000000000000000-mapping.dmp