Analysis

  • max time kernel
    61s
  • max time network
    89s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 08:16

General

  • Target

    34d09d4f5bb15430c9184075394ac7b95c73e32f57d1c089977df07bb5bb508c.exe

  • Size

    931KB

  • MD5

    85efa9801ae7502036eed41d0de67613

  • SHA1

    f80dc5f836f89d1b02e07ef681c44c1deb8a9693

  • SHA256

    34d09d4f5bb15430c9184075394ac7b95c73e32f57d1c089977df07bb5bb508c

  • SHA512

    fcc92cd2e6a4cd306e837b6bc8ad018b913772aa28dd6c51e9d353d4a35cf69ffe2727b650d11b85ec98798ae9368de467cb62e38b539a0ba8df43d2bd43af76

  • SSDEEP

    24576:h1OYdaO0MWSUbvCXEQKSqGv8VWumF6RmcJozyPvpfd:h1OsiMWyUQ+GUVFIcHPvpfd

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\34d09d4f5bb15430c9184075394ac7b95c73e32f57d1c089977df07bb5bb508c.exe
    "C:\Users\Admin\AppData\Local\Temp\34d09d4f5bb15430c9184075394ac7b95c73e32f57d1c089977df07bb5bb508c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\AppData\Local\Temp\7zSBE4.tmp\EfrESNzgsMDDHFT.exe
      .\EfrESNzgsMDDHFT.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1376

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\7zSBE4.tmp\EfrESNzgsMDDHFT.dat
    Filesize

    1KB

    MD5

    27840b7fdfa91e1aae075123ee6c8de3

    SHA1

    becaa6fcc5dfb4b3dac5aca152bfb4219d0a3b21

    SHA256

    2f677f60e6283a75b353da47987ebb4fb33326d4901fdc7b1817068c47e8a757

    SHA512

    17a8db662576b1da1cb844110e20ad539e074dff2c97213bce65e611f1550ffa1932b5187e6c4b41cc7ec1f5c65e719c93e6afe1189199ab2767b00d5e7c6206

  • C:\Users\Admin\AppData\Local\Temp\7zSBE4.tmp\EfrESNzgsMDDHFT.exe
    Filesize

    771KB

    MD5

    e8ef8ed232808bfa240b33b376bb74a8

    SHA1

    b7ebfbda42fb24594210d3f97921c5b33b88585d

    SHA256

    a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9

    SHA512

    24a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8

  • C:\Users\Admin\AppData\Local\Temp\7zSBE4.tmp\dfklghjgiodmddmiakcnjajakpiggjoo\Ccb.js
    Filesize

    6KB

    MD5

    c7ab9f426b23c5ae40bb883011854153

    SHA1

    d411015197fd176b4317def2db5c86e291b2ab99

    SHA256

    f60f291bb04fc9256318b7fe744e522f1497af9b58aac907dc9a99c6939c7580

    SHA512

    2596b889bde96f15f18b7ede4cf91ddbbec688bbf936e42515bc784d46479778e7ba29925bae85541b05f819e4d93ae154d02ad88dddafe613f78a1e3bc59bcc

  • C:\Users\Admin\AppData\Local\Temp\7zSBE4.tmp\dfklghjgiodmddmiakcnjajakpiggjoo\background.html
    Filesize

    140B

    MD5

    3c6fb1bd9a99c2b7b31c9f127b2d14cb

    SHA1

    4630ddf9b5640f4cfd45a17bb12bc585796db993

    SHA256

    72a0f2eb077b491075ef54d3fc0d6e26d80468f8324a5987f449fab52defafe5

    SHA512

    4282dd5b61ec65062d127ff4ef8d9f53c03877335d22b979ad9ab8d3ffe04568f7f4a5a6b82159127c4a584e0af96b0122b46d66d99c09c7f66640db41dc9ef3

  • C:\Users\Admin\AppData\Local\Temp\7zSBE4.tmp\dfklghjgiodmddmiakcnjajakpiggjoo\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSBE4.tmp\dfklghjgiodmddmiakcnjajakpiggjoo\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSBE4.tmp\dfklghjgiodmddmiakcnjajakpiggjoo\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSBE4.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSBE4.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    2b05e2cb2baadd11f0cf4edcdb97d241

    SHA1

    8808626af052768c577bb94d61a55ee8a31a52b3

    SHA256

    f084a8c7992925d13b6dd4a1eb2edcce68556084e029eafa6e9dbe84b323c545

    SHA512

    b09c929043bc7fb61ca7fdd8e7af16d13f8dc96b3d1b4910bf9d184d84fb55c1b4a8e6535a2e70e16dc0a70d78acc2965b8223a8b555d7f855a4dd351206e3ac

  • C:\Users\Admin\AppData\Local\Temp\7zSBE4.tmp\[email protected]\content\bg.js
    Filesize

    9KB

    MD5

    186f118789b27837157e9e722ecffb83

    SHA1

    aa44bcacb925269e7ad897959e4083e75db2b257

    SHA256

    64cebbf51f3c4e0218f142fb5f26ea3f22ef50387e3a89dd8fc2c9e3599f8795

    SHA512

    be7d13f9af57f7c2b4749c9bff85ce7e8f03e778ae0f10df2e6e093aef149c78b3ddb1a55c7393537f28d391df4aa12f16a58c954823ef074ac57cb321f490ff

  • C:\Users\Admin\AppData\Local\Temp\7zSBE4.tmp\[email protected]\install.rdf
    Filesize

    592B

    MD5

    6ad4a6cd18b860ecf774855a69611bfb

    SHA1

    21bfb7a1044e00be463c6b4422ca1d27f6dc7be5

    SHA256

    63e11d87fba8995318142d78db58ae54e895d48491cb6b713136091539fdabc8

    SHA512

    55f7c386fba5c6c0ad3ffa9d71dc5ba2571fd71e16f753da7dabe860ab67a29b7f31ab03b7ff69a0e104b6b73d3b672a551466b68b123cab9fc2b5f12091336a

  • \Users\Admin\AppData\Local\Temp\7zSBE4.tmp\EfrESNzgsMDDHFT.exe
    Filesize

    771KB

    MD5

    e8ef8ed232808bfa240b33b376bb74a8

    SHA1

    b7ebfbda42fb24594210d3f97921c5b33b88585d

    SHA256

    a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9

    SHA512

    24a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8

  • memory/960-54-0x0000000074D81000-0x0000000074D83000-memory.dmp
    Filesize

    8KB

  • memory/1376-56-0x0000000000000000-mapping.dmp