Analysis

  • max time kernel
    151s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    23-02-2022 01:12

General

  • Target

    01aa7103d89a8098737b1a4d9f500025bd1988b660e929b463dca5d56cb46bee.exe

  • Size

    386KB

  • MD5

    da98c96e1082214b71812e82587c26b3

  • SHA1

    98aba160392f372d7c4d90db84219d2d351405cf

  • SHA256

    01aa7103d89a8098737b1a4d9f500025bd1988b660e929b463dca5d56cb46bee

  • SHA512

    4502c5f40c820ab87a104bb569edea25ef9d12b0f383ffbd0ecc9065433b7b27fe8d8fe9e3d2c50a6e3941e61db5c599d4468f2711f25813de750ab8fc454ae6

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 43 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01aa7103d89a8098737b1a4d9f500025bd1988b660e929b463dca5d56cb46bee.exe
    "C:\Users\Admin\AppData\Local\Temp\01aa7103d89a8098737b1a4d9f500025bd1988b660e929b463dca5d56cb46bee.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Users\Admin\AppData\Local\Temp\3582-490\01aa7103d89a8098737b1a4d9f500025bd1988b660e929b463dca5d56cb46bee.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\01aa7103d89a8098737b1a4d9f500025bd1988b660e929b463dca5d56cb46bee.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      PID:836

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\01aa7103d89a8098737b1a4d9f500025bd1988b660e929b463dca5d56cb46bee.exe
    MD5

    a572b46078bfa2dda307a47b7c4d2b29

    SHA1

    db13033acb8ad5950a1971bef52a6771a749158a

    SHA256

    30fe04da83c5e2b89d30404f2bc05c9790158380648b94301d6de1dfff141aea

    SHA512

    2d1c507155aaa5ca2fb64387dfd4e6c65e4cc143469875a0cfcdb1128a7bffa78cd08b41ebc603134443fec4151a148e74834d93ea224062c91ad8fbb5049365

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\01aa7103d89a8098737b1a4d9f500025bd1988b660e929b463dca5d56cb46bee.exe
    MD5

    a572b46078bfa2dda307a47b7c4d2b29

    SHA1

    db13033acb8ad5950a1971bef52a6771a749158a

    SHA256

    30fe04da83c5e2b89d30404f2bc05c9790158380648b94301d6de1dfff141aea

    SHA512

    2d1c507155aaa5ca2fb64387dfd4e6c65e4cc143469875a0cfcdb1128a7bffa78cd08b41ebc603134443fec4151a148e74834d93ea224062c91ad8fbb5049365

  • \Users\Admin\AppData\Local\Temp\3582-490\01aa7103d89a8098737b1a4d9f500025bd1988b660e929b463dca5d56cb46bee.exe
    MD5

    a572b46078bfa2dda307a47b7c4d2b29

    SHA1

    db13033acb8ad5950a1971bef52a6771a749158a

    SHA256

    30fe04da83c5e2b89d30404f2bc05c9790158380648b94301d6de1dfff141aea

    SHA512

    2d1c507155aaa5ca2fb64387dfd4e6c65e4cc143469875a0cfcdb1128a7bffa78cd08b41ebc603134443fec4151a148e74834d93ea224062c91ad8fbb5049365

  • memory/1676-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp
    Filesize

    8KB