Analysis

  • max time kernel
    143s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 08:03

General

  • Target

    eb3d23747ba8fa247d1996e5a689c3d14afe4add1f3f33c6529837820c48732e.exe

  • Size

    577KB

  • MD5

    0e7856e508d7b6388d60db938b0b8810

  • SHA1

    564767d26cc7b2ea64d9e341e92630272fadb23b

  • SHA256

    eb3d23747ba8fa247d1996e5a689c3d14afe4add1f3f33c6529837820c48732e

  • SHA512

    c1be46539531dafe4a4d59520f6a441c196fd44ccd1c009a02caa9f43eab5990d11b9930a8bccc7321a422f823f8670ae51cd377ec84bdb1f5c7a2a37b30a41d

  • SSDEEP

    6144:k9hNZlxEdL5RvGlcHF37newMLao6nMnKHOD13XRnCfOVSePfLtisgZYlm49:3dz+lcDKao6nSKHsRqOMgxZgJ49

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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb3d23747ba8fa247d1996e5a689c3d14afe4add1f3f33c6529837820c48732e.exe
    "C:\Users\Admin\AppData\Local\Temp\eb3d23747ba8fa247d1996e5a689c3d14afe4add1f3f33c6529837820c48732e.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:1784
    • C:\Users\Admin\AppData\Local\Temp\3582-490\eb3d23747ba8fa247d1996e5a689c3d14afe4add1f3f33c6529837820c48732e.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\eb3d23747ba8fa247d1996e5a689c3d14afe4add1f3f33c6529837820c48732e.exe"
      2⤵
      • Executes dropped EXE
      PID:2020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\eb3d23747ba8fa247d1996e5a689c3d14afe4add1f3f33c6529837820c48732e.exe
    Filesize

    536KB

    MD5

    2aaf0ea09ff6e88da4a63aed484e199b

    SHA1

    eecfef228981a7d15a490e808055b53f98aefa4e

    SHA256

    5c2d69feae92252713d2c13906338d368d10e208f99ad5578c2bc151f1379330

    SHA512

    3de5d606f988b2f770706ed0c05485d57d3d49f4d276a2b5af36439ebda08cdf5e774f30d5cae4d16a0b56187ef3237fae06ea899297efd1cf0ff61b4c17b96b

  • \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\eb3d23747ba8fa247d1996e5a689c3d14afe4add1f3f33c6529837820c48732e.exe
    Filesize

    536KB

    MD5

    2aaf0ea09ff6e88da4a63aed484e199b

    SHA1

    eecfef228981a7d15a490e808055b53f98aefa4e

    SHA256

    5c2d69feae92252713d2c13906338d368d10e208f99ad5578c2bc151f1379330

    SHA512

    3de5d606f988b2f770706ed0c05485d57d3d49f4d276a2b5af36439ebda08cdf5e774f30d5cae4d16a0b56187ef3237fae06ea899297efd1cf0ff61b4c17b96b

  • \Users\Admin\AppData\Local\Temp\3582-490\eb3d23747ba8fa247d1996e5a689c3d14afe4add1f3f33c6529837820c48732e.exe
    Filesize

    536KB

    MD5

    2aaf0ea09ff6e88da4a63aed484e199b

    SHA1

    eecfef228981a7d15a490e808055b53f98aefa4e

    SHA256

    5c2d69feae92252713d2c13906338d368d10e208f99ad5578c2bc151f1379330

    SHA512

    3de5d606f988b2f770706ed0c05485d57d3d49f4d276a2b5af36439ebda08cdf5e774f30d5cae4d16a0b56187ef3237fae06ea899297efd1cf0ff61b4c17b96b

  • memory/1784-54-0x00000000764D1000-0x00000000764D3000-memory.dmp
    Filesize

    8KB

  • memory/2020-57-0x0000000000000000-mapping.dmp