Analysis

  • max time kernel
    242s
  • max time network
    334s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 21:14

General

  • Target

    a5cc03f777fa5f90f82022bc2bb27ca441f36010a6d5153ad538d56f13977bd9.exe

  • Size

    2.5MB

  • MD5

    8ecd9f77fa4eebed9f1115f1eb84534b

  • SHA1

    2bf490591f7fd0143e76f693ad1eb6d2f812177e

  • SHA256

    a5cc03f777fa5f90f82022bc2bb27ca441f36010a6d5153ad538d56f13977bd9

  • SHA512

    2bbe8a5c36ac81842c58f0b865e52e041fd3be2b7de9d50420ccea548c6e2650ad2455ace4269ec0bbc0e6f174b97a5b8ea3ed443e32c40054b800e7fd5df99f

  • SSDEEP

    49152:h1OslIPtchP5IawtcvlV3COH8qA0OOMC1gqEaejGfrJ:h1OiIPtrkvlBCOHgBC1

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\a5cc03f777fa5f90f82022bc2bb27ca441f36010a6d5153ad538d56f13977bd9.exe
    "C:\Users\Admin\AppData\Local\Temp\a5cc03f777fa5f90f82022bc2bb27ca441f36010a6d5153ad538d56f13977bd9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\GLdEKbeYYh5GRbz.exe
      .\GLdEKbeYYh5GRbz.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:1180
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\ox2uuckzwQ04kh.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1632
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\ox2uuckzwQ04kh.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:872

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\GoSave\ox2uuckzwQ04kh.dat

    Filesize

    6KB

    MD5

    1d455dfea62c0e27263fb9058b173740

    SHA1

    bba7fa4a82268c0314b5fe6aa61e273cf7fb6a3f

    SHA256

    6db13f355b10e4c60c34017890a4168d62f0bdf6acfbb79ce0e875d4d3d9f468

    SHA512

    90a25d09e65e1a127f34c1dbd6b10341aeea97e9c3b6f745a2651ab257334992325530891f193e0b7dbdd9701e004ed32d874ffba04e4d440175a0a501f89426

  • C:\Program Files (x86)\GoSave\ox2uuckzwQ04kh.x64.dll

    Filesize

    881KB

    MD5

    8cb4c5980306da615fd3a3c0b7124d95

    SHA1

    04c3ab5e547e3644e8627f9a548a56c112792499

    SHA256

    ce12f2e485306ea9a8bd019ffd6a62d846259bac4ba0ec71d81b43ab32470d43

    SHA512

    1852f4cf028c72869f215a8efff6c7244e2c67cde1230eb633a0d700fce957774dade7a50fcd7b760f395b3e242a5701ab88496e5551f778d208bcf182e0bedf

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\GLdEKbeYYh5GRbz.dat

    Filesize

    6KB

    MD5

    1d455dfea62c0e27263fb9058b173740

    SHA1

    bba7fa4a82268c0314b5fe6aa61e273cf7fb6a3f

    SHA256

    6db13f355b10e4c60c34017890a4168d62f0bdf6acfbb79ce0e875d4d3d9f468

    SHA512

    90a25d09e65e1a127f34c1dbd6b10341aeea97e9c3b6f745a2651ab257334992325530891f193e0b7dbdd9701e004ed32d874ffba04e4d440175a0a501f89426

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\GLdEKbeYYh5GRbz.exe

    Filesize

    787KB

    MD5

    7b2176326be202922b35e876bab7ff83

    SHA1

    e7e8a0feb3fd78413b5c6d636a72bd28254bcea8

    SHA256

    292a3ad5628c78a7956e3ff9e30e484453ca674ced5a37894415eef1055051c4

    SHA512

    369d238f1118fe730bb49e44058999e0afca237d722ac68e3272c8e9ad27e97c368c8380f7d0c35a233ad44341e4f368fdb8a385f9b82789c1266a9b0024dd69

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\GLdEKbeYYh5GRbz.exe

    Filesize

    787KB

    MD5

    7b2176326be202922b35e876bab7ff83

    SHA1

    e7e8a0feb3fd78413b5c6d636a72bd28254bcea8

    SHA256

    292a3ad5628c78a7956e3ff9e30e484453ca674ced5a37894415eef1055051c4

    SHA512

    369d238f1118fe730bb49e44058999e0afca237d722ac68e3272c8e9ad27e97c368c8380f7d0c35a233ad44341e4f368fdb8a385f9b82789c1266a9b0024dd69

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    1c47d3d6585e84b3daa0ca5e0d28432c

    SHA1

    00b501d8f59cd24f4f42e4da3cae5713b147cc36

    SHA256

    d33589851124657ef914e27b5adeb763cd7d90cbe64366adb61f8e58f02fd5eb

    SHA512

    ae85633a958f00888ceb8ad2115c0b39e87cdff155564ad01eff5c1829451f96ece4cc8109742ae749383043929b634fd0be098b470264fe1b4c6ab10ec71ba3

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\[email protected]\content\bg.js

    Filesize

    7KB

    MD5

    563d43792e93e1ee19684849bc27328e

    SHA1

    b7a144fdd20742700e25be0a835f18da41151d9e

    SHA256

    c4c640f7fc5496472d53ec7e0118d52f5fad11625765a865606a9afb2e130438

    SHA512

    5705e9d04b884aefa39d70d364925530333ac024101b0a28619b89171283fc81bbfeeffa422d106cbfc0ce60914a8d54eeb6312f585bf2bb5864ed1f966ca568

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\[email protected]\install.rdf

    Filesize

    590B

    MD5

    fc43334b1228f12bb27210e432c53d50

    SHA1

    59f31965c6a8fafe1f840d42fc90fe5dd8a07d39

    SHA256

    6566d74e58cc511b421c84d694085e31ff4b98e6d00597c164168ed1f9decf1d

    SHA512

    188669602699100507a7034eb4362dea3c39146d58b340f4f4d100b266c3573ea5f5f57f2782526573fa20a7db353f3ce7f1d2d9f3cc18926affa004ff182d64

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\dogjmgnnajhnfnmggeaamkdahjjoinen\background.html

    Filesize

    146B

    MD5

    aa9454bae2984f7c56880e7a6d355414

    SHA1

    04ce9227ad695a7c4e819d5a3cc758d121a6b8d9

    SHA256

    3c8df18427dc6bcf40ac4b4a5c1a26f64503234dc44933d3a6cd4fa6843cdafb

    SHA512

    ea588af99ea374cb7dc5b7d30dd66aeaa815afb49bb414c5c172cfa4d8f36ce20f43545ab3c514022477608f438895118bdc1ce6f87e130efd8d65be31122bfe

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\dogjmgnnajhnfnmggeaamkdahjjoinen\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\dogjmgnnajhnfnmggeaamkdahjjoinen\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\dogjmgnnajhnfnmggeaamkdahjjoinen\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\dogjmgnnajhnfnmggeaamkdahjjoinen\sjZnkH2Pz.js

    Filesize

    5KB

    MD5

    55a280208a8cae10c54f77900c002cbe

    SHA1

    c40d31436fd416eadd5652ffc01cb93bc38d9d8c

    SHA256

    667fb0811a3ebc5281869b12d30035d55a6fd0e8412569a4248d3d721ec4cf8c

    SHA512

    158a0002f15971a3e207014d7a3b0e35aa2c374f70785c922f585ace89ce4ba55b79bfebec113d9ebf819a15845325a8b345cd7d96f53694c2f4d2df0273e94f

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\ox2uuckzwQ04kh.dll

    Filesize

    747KB

    MD5

    075a34d90e4395f320b3266b2a6cc2c0

    SHA1

    c04c7386f13b45f5cc8424109d369e1e2427e5ec

    SHA256

    82550996793875d5d60d0479968dd63ff127ac705aca610110bc3f6ca127e8dc

    SHA512

    2618fb83c62bfd2ea6925d15417a86144d0133c1db3d6020b93ff6bac19adf47c1d31a10fcc31010e0fd6c2bd6f0a4537763715c57b74ad094ce8d6aedbf896a

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\ox2uuckzwQ04kh.tlb

    Filesize

    3KB

    MD5

    80b66ebf00d9d7c1904175c81cf3b1e1

    SHA1

    25edfc73c30f45e1254ddec9bdc5854d0f5c3c1b

    SHA256

    5691ef6a5460131e8fbebeed40d4f0fb81ff49e25a08d45df2178bb8d486672a

    SHA512

    396db976a5a56df11be3f46e16908341b33be7b374c92674550a563885012c056b7213ab873745e98bf4681bf12882632260363c578105decda25a2d249fdb9d

  • C:\Users\Admin\AppData\Local\Temp\7zSEE27.tmp\ox2uuckzwQ04kh.x64.dll

    Filesize

    881KB

    MD5

    8cb4c5980306da615fd3a3c0b7124d95

    SHA1

    04c3ab5e547e3644e8627f9a548a56c112792499

    SHA256

    ce12f2e485306ea9a8bd019ffd6a62d846259bac4ba0ec71d81b43ab32470d43

    SHA512

    1852f4cf028c72869f215a8efff6c7244e2c67cde1230eb633a0d700fce957774dade7a50fcd7b760f395b3e242a5701ab88496e5551f778d208bcf182e0bedf

  • \Program Files (x86)\GoSave\ox2uuckzwQ04kh.dll

    Filesize

    747KB

    MD5

    075a34d90e4395f320b3266b2a6cc2c0

    SHA1

    c04c7386f13b45f5cc8424109d369e1e2427e5ec

    SHA256

    82550996793875d5d60d0479968dd63ff127ac705aca610110bc3f6ca127e8dc

    SHA512

    2618fb83c62bfd2ea6925d15417a86144d0133c1db3d6020b93ff6bac19adf47c1d31a10fcc31010e0fd6c2bd6f0a4537763715c57b74ad094ce8d6aedbf896a

  • \Program Files (x86)\GoSave\ox2uuckzwQ04kh.x64.dll

    Filesize

    881KB

    MD5

    8cb4c5980306da615fd3a3c0b7124d95

    SHA1

    04c3ab5e547e3644e8627f9a548a56c112792499

    SHA256

    ce12f2e485306ea9a8bd019ffd6a62d846259bac4ba0ec71d81b43ab32470d43

    SHA512

    1852f4cf028c72869f215a8efff6c7244e2c67cde1230eb633a0d700fce957774dade7a50fcd7b760f395b3e242a5701ab88496e5551f778d208bcf182e0bedf

  • \Program Files (x86)\GoSave\ox2uuckzwQ04kh.x64.dll

    Filesize

    881KB

    MD5

    8cb4c5980306da615fd3a3c0b7124d95

    SHA1

    04c3ab5e547e3644e8627f9a548a56c112792499

    SHA256

    ce12f2e485306ea9a8bd019ffd6a62d846259bac4ba0ec71d81b43ab32470d43

    SHA512

    1852f4cf028c72869f215a8efff6c7244e2c67cde1230eb633a0d700fce957774dade7a50fcd7b760f395b3e242a5701ab88496e5551f778d208bcf182e0bedf

  • \Users\Admin\AppData\Local\Temp\7zSEE27.tmp\GLdEKbeYYh5GRbz.exe

    Filesize

    787KB

    MD5

    7b2176326be202922b35e876bab7ff83

    SHA1

    e7e8a0feb3fd78413b5c6d636a72bd28254bcea8

    SHA256

    292a3ad5628c78a7956e3ff9e30e484453ca674ced5a37894415eef1055051c4

    SHA512

    369d238f1118fe730bb49e44058999e0afca237d722ac68e3272c8e9ad27e97c368c8380f7d0c35a233ad44341e4f368fdb8a385f9b82789c1266a9b0024dd69

  • memory/872-77-0x0000000000000000-mapping.dmp

  • memory/872-78-0x000007FEFB5E1000-0x000007FEFB5E3000-memory.dmp

    Filesize

    8KB

  • memory/1180-56-0x0000000000000000-mapping.dmp

  • memory/1516-54-0x0000000074FA1000-0x0000000074FA3000-memory.dmp

    Filesize

    8KB

  • memory/1632-73-0x0000000000000000-mapping.dmp