Analysis

  • max time kernel
    42s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 02:04

General

  • Target

    4716fe9a5874ea0a189c718468ffacd77cc3b1d5c3b9477d2c2c73e4d492d5c6.exe

  • Size

    932KB

  • MD5

    a292a54ec24a89c875cac6202a7f84b2

  • SHA1

    2538b46e3c6d4a94d4dc1c7c522547e512725fb1

  • SHA256

    4716fe9a5874ea0a189c718468ffacd77cc3b1d5c3b9477d2c2c73e4d492d5c6

  • SHA512

    918afc7859c58ae29f782875c3b9b1afc6cc00ae8fe89c75d6ef0e000b0cdf0062b78b03cc7e542093dc1872800c784306143ebd6f569cec7eea0902f91e7d67

  • SSDEEP

    24576:h1OYdaOKCZ/iWCvu/2sWsJA/jlt+DHhss:h1Os8CpYO/dJJDHhss

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\4716fe9a5874ea0a189c718468ffacd77cc3b1d5c3b9477d2c2c73e4d492d5c6.exe
    "C:\Users\Admin\AppData\Local\Temp\4716fe9a5874ea0a189c718468ffacd77cc3b1d5c3b9477d2c2c73e4d492d5c6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Users\Admin\AppData\Local\Temp\7zSA94B.tmp\BkUmCcLz1F934AW.exe
      .\BkUmCcLz1F934AW.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1504

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\7zSA94B.tmp\BkUmCcLz1F934AW.dat
    Filesize

    1KB

    MD5

    fae277768a15c76f34adbf38a8c2e741

    SHA1

    6eda741980208d0d5babbbdca930470292e73b96

    SHA256

    f817ad1469c6b68fd82e36d4d18c9ceb372cd77ef2f426c017f626c11a81c6b0

    SHA512

    8f8657ac5830a8ffd17f71570451c6f7da0b78a85f896467375f7770df82f9303da13ca70b6bcad04fb8b7daef8a48c360f674d7d4d173090495c1ede2bf6eb1

  • C:\Users\Admin\AppData\Local\Temp\7zSA94B.tmp\BkUmCcLz1F934AW.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zSA94B.tmp\bflfjmpjniblmooecjikjgjmedacbnjd\background.html
    Filesize

    145B

    MD5

    1ffc5f1c283ad51ab84faafb03ccd89c

    SHA1

    38e10f0c8ab4b5c266dabd0a98c24237d32c6fa3

    SHA256

    613f22bb2efcead3b65294d3a9784455f3efe2637e3207fc01ce2a112a7b41b0

    SHA512

    6b87ee961b217eb4eeebfffae7dd2a0a8ea08f9b772b5790edc4a1fdee37857472213c9c2f0c52e5c94bf8141017bfc8ab5c19776bec06aabb94dfa2d35f9e57

  • C:\Users\Admin\AppData\Local\Temp\7zSA94B.tmp\bflfjmpjniblmooecjikjgjmedacbnjd\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSA94B.tmp\bflfjmpjniblmooecjikjgjmedacbnjd\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSA94B.tmp\bflfjmpjniblmooecjikjgjmedacbnjd\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSA94B.tmp\bflfjmpjniblmooecjikjgjmedacbnjd\zVkOZuri.js
    Filesize

    6KB

    MD5

    87a3b88a4da633614ec2689efabc1efd

    SHA1

    cf3652679a4c1bd585bc3df69db64acd87d3dbf3

    SHA256

    ab717ca494bf249388ed9663454b7a682786c759b5a82b3879f9a4903d645080

    SHA512

    40901ea36a5aa5a8f106a40a23afe70cfe4c2e5abe3f97885b884d751184242a84228f98fe35af3c4f0734adf909f1b61799502a69b41579587993738745c5fd

  • C:\Users\Admin\AppData\Local\Temp\7zSA94B.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSA94B.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    0d4cece782c0599405d45ad1c089d36c

    SHA1

    efec9c5e61a2846ea9f4d7c7b96e792d7d2b4545

    SHA256

    a2c2de6b83074c859ee6fa83c773966f1cd2e33d1fa7a8d7b7d684b2aa537cd4

    SHA512

    6d6a6595c825b1c77d8e3bef021caeac1bb4cd59dbc8d678191f8e00376ebca86764146c789b3f78a6329077b2e4afea323d71a3d446489a56bb0419e95ee7e9

  • C:\Users\Admin\AppData\Local\Temp\7zSA94B.tmp\[email protected]\content\bg.js
    Filesize

    9KB

    MD5

    a3ceb34f57d3b7a1fd4d2e31deac6f03

    SHA1

    6c00f895e4da46e01d9204cdff0d3bd7b3c54325

    SHA256

    6a4c5b7843e2e0d3af2d6f9f82940b5b8e9bb52d9a0e4774611cee60189bc298

    SHA512

    16d33cdd6cd4327b1b7e99dd6cdcdf1c595233cef267f3e80e4a4fa865e7015e6ee72f00c10ba8dd4f44ac76488b7a4e6a16a6bfd7cb12ba51d31106e6f0d424

  • C:\Users\Admin\AppData\Local\Temp\7zSA94B.tmp\[email protected]\install.rdf
    Filesize

    595B

    MD5

    ef601d0e1c26f41286ecd4186dcc4706

    SHA1

    76f377fada5225ce2dc0b826b907095f9c79fc99

    SHA256

    d78e993d1e9082c00c8e5c49c73de096ba119e91d76d022cfeb50032e442f2cd

    SHA512

    ef1a15e11b6eb193d11e0397f2a755dd51387206b0723e4fc2fa58173438a8398fed998fcbd756bad2558ca786e6287f90a20a6fbd32c61046f1dfbc9486ea8f

  • \Users\Admin\AppData\Local\Temp\7zSA94B.tmp\BkUmCcLz1F934AW.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/1504-56-0x0000000000000000-mapping.dmp
  • memory/1508-54-0x0000000075781000-0x0000000075783000-memory.dmp
    Filesize

    8KB