Analysis

  • max time kernel
    41s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:22

General

  • Target

    c8d882f7cbaca366c8a86fc0a0799ffe6531b1c0f1e20ff825f70e472d42a027.exe

  • Size

    931KB

  • MD5

    dae4cd4c7d45b7e423c75be20a8c097e

  • SHA1

    660fc9baec79b2c51082c97e60e8bab753b874b1

  • SHA256

    c8d882f7cbaca366c8a86fc0a0799ffe6531b1c0f1e20ff825f70e472d42a027

  • SHA512

    e853f1b4b4c594b93fd8dd2377d968b8b01cbe24e75a3487378f67255f764e6ab9de79f937939fd4b16f3edbd54b14f3b6b8c7503a879edbc41b66987fe770cf

  • SSDEEP

    24576:h1OYdaOMCZ/iWCvu/2sWsJA/jlt+DHhsW:h1OsaCpYO/dJJDHhsW

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8d882f7cbaca366c8a86fc0a0799ffe6531b1c0f1e20ff825f70e472d42a027.exe
    "C:\Users\Admin\AppData\Local\Temp\c8d882f7cbaca366c8a86fc0a0799ffe6531b1c0f1e20ff825f70e472d42a027.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\fj3bdaELVpnuctK.exe
      .\fj3bdaELVpnuctK.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1296

Network

MITRE ATT&CK Matrix ATT&CK v6

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:\Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    11f490446afcaa725bd3720a0156d4e5

    SHA1

    fbe097819b989582b0cce385c043bb9bf6d0001d

    SHA256

    115342397d9a464a08773a4ab00e5bcde07c15dc916824104975404a98b3d564

    SHA512

    7d02ed1dc8c3f632b7119b03570725692bbf8b4a8f0f8f23e7f86f7510bbb7332625476ff937e39b12beee3aef25cb4d38343f6d8f965eca54d656faa3876c80

  • C:\Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    bc85e34eab09b73e0b53e3a14db09e54

    SHA1

    6e72984c39b860a5d3d44ed842cee5275ec95480

    SHA256

    671793665140e5a6a09dbed0b1bf3e520577c3f6f987cbce4f99519e05e4fe46

    SHA512

    38dd5d26f70eaf2d22d8370314fa92ce0e5036ac16caae9fef684267bfdc336fe31d8d4ea32101628f3f5a343175a493d6d0845fff0b48b07f8c203b8c2eeabb

  • C:\Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\[email protected]\install.rdf
    Filesize

    594B

    MD5

    3d6756184f9533537b00960eae0e4389

    SHA1

    f4ed848277cbb903322b825789bdb1aa38fb3a7f

    SHA256

    443f4fdeb2551d42d4aa7e6f89130f33bd684f37ec783ca8cab6b2fa553ddcec

    SHA512

    4563e3b067bd907b9fad552c86aa3955f9acc3be0dd981c9729185b47b95ebdaa6114931277d76f9aebad46e670eb007b39a084db763f75f957e00bb3eedce82

  • C:\Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\fj3bdaELVpnuctK.dat
    Filesize

    1KB

    MD5

    5e41bbaf073fecb0423ce83420c9f19c

    SHA1

    049f6f0469704d9c70ca8ba5176311b67c62497a

    SHA256

    f77f51288f6398555f35aa5a5ac78049a5eaa0e70d21f3140980b606b2b9a5a5

    SHA512

    8bd0a20140bba28cc5beeab21c0d648a01729619941a61826cd5fd5293d43bf6a751848fdc739a424696b8289df86ff2a424ffe6a8bab57118a08fc1b3c07df2

  • C:\Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\fj3bdaELVpnuctK.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\ogfhknlfodgghkclbakoeenedplhakjm\avOuD0Bui1.js
    Filesize

    6KB

    MD5

    e66bb30269c971966474f144bb05e082

    SHA1

    78a6d81f80fd68b4534fb6df9c6686e067e2176e

    SHA256

    fe0b4c87b14fcb0032917be9180dbea89128e078e444cbd0b4fad69cfcd00af4

    SHA512

    34c47284a77832b78f6450b565a96296ea686971fc384acf9832c56abe92cd67e777f9e0cc5ca85766e354450b515cc5c0dc73d01ac26c6bae78b0430b1af2dd

  • C:\Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\ogfhknlfodgghkclbakoeenedplhakjm\background.html
    Filesize

    147B

    MD5

    8130cc3bf423feb462eea7064b636e08

    SHA1

    685655c8ee93fa15c066df9265e07274e6b29840

    SHA256

    fac50ef43f0d61767686d6d1efa02af55dcfdf55115a8b37ab03485284ee083e

    SHA512

    0c6a9eb02bb6630a5caf700e961cc49c57ca065972422cc9bfa6bdcb221cc659ade3fe83950025ff1e4e798b932ac5a95df76909cd1d3b47c241cd2ed8208fc6

  • C:\Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\ogfhknlfodgghkclbakoeenedplhakjm\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\ogfhknlfodgghkclbakoeenedplhakjm\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\ogfhknlfodgghkclbakoeenedplhakjm\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Users\Admin\AppData\Local\Temp\7zS4C3D.tmp\fj3bdaELVpnuctK.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/856-54-0x0000000075931000-0x0000000075933000-memory.dmp
    Filesize

    8KB

  • memory/1296-56-0x0000000000000000-mapping.dmp