Analysis

  • max time kernel
    154s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 20:11

General

  • Target

    2eb26d330257cd81a2aa2ebebd411a436a7365a5d6d43280d26b4f45146a664b.exe

  • Size

    752KB

  • MD5

    644162c5d3adb383997666b0f23e2ad6

  • SHA1

    5d86d746f19df50d839f1970a2ebe70634fd070b

  • SHA256

    2eb26d330257cd81a2aa2ebebd411a436a7365a5d6d43280d26b4f45146a664b

  • SHA512

    bc4eaedcc9d0e0e4326c84ebddc402c563e02d16ba8ad16944403d4fd85e25a3939aef02c19eee714ca4289de61d3c7df8818caf6d2218ac155d0e3a131dfd71

  • SSDEEP

    12288:RcYn5c/rPx37/zHBA6a5UeYpthr1CERAgrNuR+1Iq5oRx9DuTi:RcYn5c/rPx37/zHBA6pFptZ1CEQqoRxH

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2eb26d330257cd81a2aa2ebebd411a436a7365a5d6d43280d26b4f45146a664b.exe
    "C:\Users\Admin\AppData\Local\Temp\2eb26d330257cd81a2aa2ebebd411a436a7365a5d6d43280d26b4f45146a664b.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2eb26d330257cd81a2aa2ebebd411a436a7365a5d6d43280d26b4f45146a664b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2eb26d330257cd81a2aa2ebebd411a436a7365a5d6d43280d26b4f45146a664b.exe"
      2⤵
      • Executes dropped EXE
      PID:4032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\2eb26d330257cd81a2aa2ebebd411a436a7365a5d6d43280d26b4f45146a664b.exe

    Filesize

    711KB

    MD5

    9d19f63e24c568fa6f6c02d146853205

    SHA1

    c54cdde1e28bcbf6cb0e70715368ba1907392b8d

    SHA256

    60990e53f5ef5c7b2515495427ccd64ea8e60420522c2f0f2fec9590f82775e5

    SHA512

    4e31e30c288a53b2d4c7c2f23a7e1dc6504e2f59c4a34c65e3799451cc56d0c46121f8ff2eff177ea7f71e7084f501293c7c3a8eb9918e2715258619db9bd9aa

  • C:\Users\Admin\AppData\Local\Temp\3582-490\2eb26d330257cd81a2aa2ebebd411a436a7365a5d6d43280d26b4f45146a664b.exe

    Filesize

    711KB

    MD5

    9d19f63e24c568fa6f6c02d146853205

    SHA1

    c54cdde1e28bcbf6cb0e70715368ba1907392b8d

    SHA256

    60990e53f5ef5c7b2515495427ccd64ea8e60420522c2f0f2fec9590f82775e5

    SHA512

    4e31e30c288a53b2d4c7c2f23a7e1dc6504e2f59c4a34c65e3799451cc56d0c46121f8ff2eff177ea7f71e7084f501293c7c3a8eb9918e2715258619db9bd9aa