Analysis

  • max time kernel
    112s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2022 14:42

General

  • Target

    1e0e94d942640944f0495a497585e041e06fc9b48febee9a9e0617c34283a46d.exe

  • Size

    340KB

  • MD5

    42aea131431fd7f6a33c3a105da8c150

  • SHA1

    4b8248bbcbdcd6daafd62447c8904ec0d3812bb5

  • SHA256

    1e0e94d942640944f0495a497585e041e06fc9b48febee9a9e0617c34283a46d

  • SHA512

    c9da91a4549c0086bd1f96fe55450f851eb238c3a5b3b678c795cf84b9a9c55c537989d0f9c703be0edcd78d71096baa8cbb7c4fb65977d2e2a62519d1a58554

  • SSDEEP

    6144:k9h6qCoGSbH33BVGxYxZFRhw0XZNQ5GHeMcXKKs+eV4z4wY4ZPg0EPGMgN/zx:2C/STh8xY3h3Jm5Gq6oeV44T4C0EPXgb

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 64 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 use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e0e94d942640944f0495a497585e041e06fc9b48febee9a9e0617c34283a46d.exe
    "C:\Users\Admin\AppData\Local\Temp\1e0e94d942640944f0495a497585e041e06fc9b48febee9a9e0617c34283a46d.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:304
    • C:\Users\Admin\AppData\Local\Temp\3582-490\1e0e94d942640944f0495a497585e041e06fc9b48febee9a9e0617c34283a46d.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\1e0e94d942640944f0495a497585e041e06fc9b48febee9a9e0617c34283a46d.exe"
      2⤵
      • Executes dropped EXE
      PID:1340

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\1e0e94d942640944f0495a497585e041e06fc9b48febee9a9e0617c34283a46d.exe
    Filesize

    299KB

    MD5

    8547bc43fe706ceb136840691b9742c6

    SHA1

    15360f6d2c6816d3e98f48bc0a0d88cb397fa5f2

    SHA256

    94978dd8d294228ef57ebba417427050f2686b7ba813a532c00b486e25b88a4c

    SHA512

    fe0533adee4372a5ca8c74fd256582e8fe2e9bdac5c1e4cfa575b9d1b04d475985bd7bc91fd5d2522b20aff493835a4677201aa79962222c63f9ddb785bca9f9

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

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\1e0e94d942640944f0495a497585e041e06fc9b48febee9a9e0617c34283a46d.exe
    Filesize

    299KB

    MD5

    8547bc43fe706ceb136840691b9742c6

    SHA1

    15360f6d2c6816d3e98f48bc0a0d88cb397fa5f2

    SHA256

    94978dd8d294228ef57ebba417427050f2686b7ba813a532c00b486e25b88a4c

    SHA512

    fe0533adee4372a5ca8c74fd256582e8fe2e9bdac5c1e4cfa575b9d1b04d475985bd7bc91fd5d2522b20aff493835a4677201aa79962222c63f9ddb785bca9f9

  • \Users\Admin\AppData\Local\Temp\3582-490\1e0e94d942640944f0495a497585e041e06fc9b48febee9a9e0617c34283a46d.exe
    Filesize

    299KB

    MD5

    8547bc43fe706ceb136840691b9742c6

    SHA1

    15360f6d2c6816d3e98f48bc0a0d88cb397fa5f2

    SHA256

    94978dd8d294228ef57ebba417427050f2686b7ba813a532c00b486e25b88a4c

    SHA512

    fe0533adee4372a5ca8c74fd256582e8fe2e9bdac5c1e4cfa575b9d1b04d475985bd7bc91fd5d2522b20aff493835a4677201aa79962222c63f9ddb785bca9f9

  • memory/304-54-0x0000000074C91000-0x0000000074C93000-memory.dmp
    Filesize

    8KB

  • memory/304-59-0x0000000002730000-0x00000000027DE000-memory.dmp
    Filesize

    696KB

  • memory/1340-57-0x0000000000000000-mapping.dmp
  • memory/1340-60-0x0000000001000000-0x00000000010AE000-memory.dmp
    Filesize

    696KB