Analysis

  • max time kernel
    248s
  • max time network
    336s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:49

General

  • Target

    c02e7497837dd09fe8c35fe6be6b4f2a9e5062b3f478fc2f9db039b3aadc2f45.exe

  • Size

    2.5MB

  • MD5

    9be50a2b0c1a9fcb583aeb1dfc16de2a

  • SHA1

    c4a68a61a540b4e018fd6a44adc552e07a3be5fe

  • SHA256

    c02e7497837dd09fe8c35fe6be6b4f2a9e5062b3f478fc2f9db039b3aadc2f45

  • SHA512

    d6c58a80a0c493674ca82c0582214ff9db34436e2035bc866e66e91caa9628decd5d4131c3c5f844aae94b0b6688bb2f9f7343aafb987311211ea7ebbae2e6af

  • SSDEEP

    49152:h1OsUPHVmVhYwiLtKkKyW4nFU0I+NP/f7I3lMOaYjdxvL0H8:h1O1HVl71RnFXINxv1

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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c02e7497837dd09fe8c35fe6be6b4f2a9e5062b3f478fc2f9db039b3aadc2f45.exe
    "C:\Users\Admin\AppData\Local\Temp\c02e7497837dd09fe8c35fe6be6b4f2a9e5062b3f478fc2f9db039b3aadc2f45.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:560
    • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\O2ozY6DAa9wEjme.exe
      .\O2ozY6DAa9wEjme.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 AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:556
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\XZH4j0Uz6Niemb.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:364
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\XZH4j0Uz6Niemb.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1340

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\GoSave\XZH4j0Uz6Niemb.dat

    Filesize

    7KB

    MD5

    c03f0a9852e9f97222b4a00e6e76b09c

    SHA1

    a787b26db5e0f032d4708f4cdd399ec0bdf546cb

    SHA256

    0650f83d1149c174845840085aeaa47d9b68a6ecbc3e34874d3e3e46ffe5fc79

    SHA512

    ffa9357d2aea6b646d1c474c6ecc7e25333543383fd671e95ed728aaf5e0bea30fefd0d1263ca80343ab52733f0d568120e040229ea2cd35b7dda7d068d2adc9

  • C:\Program Files (x86)\GoSave\XZH4j0Uz6Niemb.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\O2ozY6DAa9wEjme.dat

    Filesize

    7KB

    MD5

    c03f0a9852e9f97222b4a00e6e76b09c

    SHA1

    a787b26db5e0f032d4708f4cdd399ec0bdf546cb

    SHA256

    0650f83d1149c174845840085aeaa47d9b68a6ecbc3e34874d3e3e46ffe5fc79

    SHA512

    ffa9357d2aea6b646d1c474c6ecc7e25333543383fd671e95ed728aaf5e0bea30fefd0d1263ca80343ab52733f0d568120e040229ea2cd35b7dda7d068d2adc9

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\O2ozY6DAa9wEjme.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\O2ozY6DAa9wEjme.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\XZH4j0Uz6Niemb.dll

    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\XZH4j0Uz6Niemb.tlb

    Filesize

    3KB

    MD5

    5b503f1b4056c3d4fbf2d03f88e1adfe

    SHA1

    c8d659ea27bf0ca0bbfd46865d5796589bf9ef68

    SHA256

    231ef0fef77ab6c7fea053f64a9ce7f9e21646b868bfe391962262fc15c9bb6c

    SHA512

    229207201368d9674258389df19132070390f913aa5cc21b7567c515be5f5e0f07cdaa460d497ae355f27f00f7fc75538783d8890f6c9c0e861a7ecb8f520bdb

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\XZH4j0Uz6Niemb.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\ohfdjjnjedlfpnbddnafefcdfckllppp\VsWrnEt59W.js

    Filesize

    6KB

    MD5

    2f7f4349faa2c1843f7ef3a912bbdcec

    SHA1

    d6751ee0f95c73270d454f8918abf6c4a8f97334

    SHA256

    9eff2abf0aa4cff319f85cfbcf7d5eb0d4ebe46e36967a9c416003e9a893d04a

    SHA512

    e347c67ee827431609b829722684d16d3a01b9d1855cce47344b7157f943f593d6ab10a7d85c0b9f5b39662631b6786aa2a9ec762625f5f502024ca510963918

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\ohfdjjnjedlfpnbddnafefcdfckllppp\background.html

    Filesize

    147B

    MD5

    0f71a3d67717ab084b57180f432d8b65

    SHA1

    564df935342ae25de2da3c51cf6e53e86910c283

    SHA256

    1e9c0542c0184202b27f7368e5496549aa4613629ae39044ff241033f09e70fb

    SHA512

    c145aa435657afd5cf68e936284a52a1dfd9b56fc035fe01b0cd0e5e3255acf468f16afbd47fcf31a312fff2cd266bc286ec3de1eaa90757c49d13fde3dccdf6

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\ohfdjjnjedlfpnbddnafefcdfckllppp\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\ohfdjjnjedlfpnbddnafefcdfckllppp\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\ohfdjjnjedlfpnbddnafefcdfckllppp\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    f1e5428e77b1f8d8c2c77ea659508a0b

    SHA1

    8b1bb500e546ab4a4ba38dccb243ea75547a0ea4

    SHA256

    905a3a7b8978208274b1f8f9ea109e7eb51eae494c8ea26acd873325d4488e63

    SHA512

    54f2f05d8b7590b2db4e402623b653832204c70313427f1692772199324dc92f52c588d5e525cbbaff2deac6515ca8d33199089afc41a5cdefbb4d073693212e

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    b7b48e3a5bfced03138b0e928424aab8

    SHA1

    1bce7a051e45c575a4e473f8850ad1833840a456

    SHA256

    13cc0eda78c002edf7886c656020f41743abe91225faab614e39210c0e0742f0

    SHA512

    da57743d75de4aeecbd20ef3a5be2ea0f5407aa0b684c098323d00ace022a33546f0e94a5b35ea486ac48d3254dfb4fd92ded69d1c721b6e3acbe15201c556be

  • C:\Users\Admin\AppData\Local\Temp\7zS42AC.tmp\[email protected]\install.rdf

    Filesize

    596B

    MD5

    32a29e0566dd7ede30795be70031af3f

    SHA1

    a269ed55d450066f5c6b1372c072fecadcaf9eca

    SHA256

    4947dbf982b8b36c42ba765cbdb00a8da05c0211294f9166cab0ba7f8cc99215

    SHA512

    c868bfe198e0842603d2712772f6460d92822b0fac1dd7af425301677bdd12caae1272a0ab4357daf883b613d303e3cf1982d1b334a8ca9701bb2411dd42c924

  • \Program Files (x86)\GoSave\XZH4j0Uz6Niemb.dll

    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • \Program Files (x86)\GoSave\XZH4j0Uz6Niemb.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Program Files (x86)\GoSave\XZH4j0Uz6Niemb.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Users\Admin\AppData\Local\Temp\7zS42AC.tmp\O2ozY6DAa9wEjme.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/364-73-0x0000000000000000-mapping.dmp

  • memory/556-56-0x0000000000000000-mapping.dmp

  • memory/560-54-0x0000000075551000-0x0000000075553000-memory.dmp

    Filesize

    8KB

  • memory/1340-77-0x0000000000000000-mapping.dmp

  • memory/1340-78-0x000007FEFBB31000-0x000007FEFBB33000-memory.dmp

    Filesize

    8KB