Analysis

  • max time kernel
    123s
  • max time network
    209s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:21

General

  • Target

    c9087aa2515ea00be81e3ff005c04ac2088d2afdae470a3531084dfa83f870df.exe

  • Size

    2.5MB

  • MD5

    dacbe2042497ff945f975aa52cd5a08a

  • SHA1

    9ed01083a59beecc8c72713953cab6bd6f4156ad

  • SHA256

    c9087aa2515ea00be81e3ff005c04ac2088d2afdae470a3531084dfa83f870df

  • SHA512

    5ccf66588a92e4f863bc5b67e213cb30993a495d57dacb17df78125f3622113f215b1f97fcc1fa4daf55f393536160357b8d645f57a5160bac69427a236408de

  • SSDEEP

    49152:h1OstPHVmVhYwiLtKkKyW4nFU0I+NP/f7I3lMOaYjdxvL0Hd:h1OwHVl71RnFXINxvc

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\c9087aa2515ea00be81e3ff005c04ac2088d2afdae470a3531084dfa83f870df.exe
    "C:\Users\Admin\AppData\Local\Temp\c9087aa2515ea00be81e3ff005c04ac2088d2afdae470a3531084dfa83f870df.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\JEZ2InEk8CoQRS5.exe
      .\JEZ2InEk8CoQRS5.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:1368
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\hRqSTIkUuUoFdP.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:108
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\hRqSTIkUuUoFdP.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:512

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)\GoSave\hRqSTIkUuUoFdP.dat
    Filesize

    7KB

    MD5

    325a9850d1e2d145a8f649431705c89f

    SHA1

    2975e28d2cd92f148477ac20734a03296380206e

    SHA256

    ec2913f68951924085bf8e97272dafa7e0534be218063875796d97587906291e

    SHA512

    c041e79e228ee164d080e79fec56cd607d891a235242388f4133975f3f5cbd6165e74628a82422600d632a60f67f4025fba526721289619bb0c829f1326a859f

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

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\JEZ2InEk8CoQRS5.dat
    Filesize

    7KB

    MD5

    325a9850d1e2d145a8f649431705c89f

    SHA1

    2975e28d2cd92f148477ac20734a03296380206e

    SHA256

    ec2913f68951924085bf8e97272dafa7e0534be218063875796d97587906291e

    SHA512

    c041e79e228ee164d080e79fec56cd607d891a235242388f4133975f3f5cbd6165e74628a82422600d632a60f67f4025fba526721289619bb0c829f1326a859f

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\JEZ2InEk8CoQRS5.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\JEZ2InEk8CoQRS5.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\afconogopdknagjbccammcnpojkccbco\background.html
    Filesize

    142B

    MD5

    7705f18e8b6e69a362e288682a33362a

    SHA1

    d85f15ebfeb2b323df5aace5fda796e1fc47872f

    SHA256

    9e66239d8baa87c394e99456bb5d512d16eaf78da3451c8448f07e4857bfc9c0

    SHA512

    13268cb6e6de7107f178d070baf3bbaa6101eb78e39349cd601c6bb4963f22769d6ccccefc01db9aaa79a4e99e036b65fb841c779002c3f2e024b822ced55761

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\afconogopdknagjbccammcnpojkccbco\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\afconogopdknagjbccammcnpojkccbco\jo9eH.js
    Filesize

    6KB

    MD5

    70654f856ef9ab574aa596e9cbc27722

    SHA1

    8431ebe51e7b18a20522a6189eb2ff3b848d4b9c

    SHA256

    8ebcc61299a82e4980452da4117542ed77dc0208908e839a454770dc90a76819

    SHA512

    911fd044c905a1b182dd7f9071f6a30aaaad9dc78a6c60ca6f7d58c7a9be5961e3afc4a444e09405e21f69af6474802557877f111d9d5f28816469ce00973129

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\afconogopdknagjbccammcnpojkccbco\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\afconogopdknagjbccammcnpojkccbco\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\hRqSTIkUuUoFdP.dll
    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\hRqSTIkUuUoFdP.tlb
    Filesize

    3KB

    MD5

    5b503f1b4056c3d4fbf2d03f88e1adfe

    SHA1

    c8d659ea27bf0ca0bbfd46865d5796589bf9ef68

    SHA256

    231ef0fef77ab6c7fea053f64a9ce7f9e21646b868bfe391962262fc15c9bb6c

    SHA512

    229207201368d9674258389df19132070390f913aa5cc21b7567c515be5f5e0f07cdaa460d497ae355f27f00f7fc75538783d8890f6c9c0e861a7ecb8f520bdb

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\hRqSTIkUuUoFdP.x64.dll
    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    8e620a0afece7175cda67181fe558011

    SHA1

    b5cc67f7de34b10b0ef915c205767fdcfc972e20

    SHA256

    e18a9f9753eed425c6996633a3967a8a88646e4d5b19e4284da8d7b5f22227c1

    SHA512

    0167907f668c2bb4da208bde4a3807739b9bc5d5c990f3ccba4f7129cb01980a270470063111365dbd372d8b1a9102d996ce76090c63d2175b4bd74a29a69591

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    74a23635817dd40c14132c0d2e0321a4

    SHA1

    4c4120decf1ef21e2227e13286dd5e97b45f0ace

    SHA256

    787b149940b0a7c3c691a9a2e64aa258068da1896a91547978e87eea3cbe8da9

    SHA512

    59f83e6b89b51dd52cfbb2d0ceb0095bfd31f8db57325e6db472d14db5411845002039455466698345570a4534372bbf17e0522528adbd447522359d2dbd0037

  • C:\Users\Admin\AppData\Local\Temp\7zS8086.tmp\[email protected]\install.rdf
    Filesize

    593B

    MD5

    444a973c13b5a0a18790150b95dc22f2

    SHA1

    86526a614eaff40f8e98053eee0850ed71c2d87c

    SHA256

    4d2e5a577593b541c39916627b64f58ea1920b06ea142be61c6db7c0102999a6

    SHA512

    22827f4875fc2708b39f1e3b923c7cfccb83301002b33b78889c222371e8088d41b77cfd818d624f45ea2cc9790f6e0901edb3c9511026a45fa9b1c820087cc3

  • \Program Files (x86)\GoSave\hRqSTIkUuUoFdP.dll
    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • \Program Files (x86)\GoSave\hRqSTIkUuUoFdP.x64.dll
    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Program Files (x86)\GoSave\hRqSTIkUuUoFdP.x64.dll
    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Users\Admin\AppData\Local\Temp\7zS8086.tmp\JEZ2InEk8CoQRS5.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/108-73-0x0000000000000000-mapping.dmp
  • memory/512-77-0x0000000000000000-mapping.dmp
  • memory/512-78-0x000007FEFB7F1000-0x000007FEFB7F3000-memory.dmp
    Filesize

    8KB

  • memory/748-54-0x00000000759F1000-0x00000000759F3000-memory.dmp
    Filesize

    8KB

  • memory/1368-56-0x0000000000000000-mapping.dmp