Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2022 22:00

General

  • Target

    6edf8aaaaeb37888ac3dce91ac29025fa6f63c33162e306ec4825ab43c0bd6d2.exe

  • Size

    498KB

  • MD5

    4c0c4bcbb9e26afded6c5d8a8a316670

  • SHA1

    37019e78c38c7b916e82259f50f028fc09a9357e

  • SHA256

    6edf8aaaaeb37888ac3dce91ac29025fa6f63c33162e306ec4825ab43c0bd6d2

  • SHA512

    5ee2b2e0d37cc2fff700da0a61c4ec86576503d5c53fb922619eadcbd31b680903a2e6e06ad81608cba10f8a88d5bd40c4da33e16ba40137722a7ecbd36ccbbd

  • SSDEEP

    6144:6kECCdJFSMA4WxY7iNCQilD5gBJhDaZKIQqaaXYkzRLBkaNG83Dz37lSF/JdrlsA:sJA4WY7tlDq1DaZk0bzz37lSZUUKuHP

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • 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.

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 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 SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6edf8aaaaeb37888ac3dce91ac29025fa6f63c33162e306ec4825ab43c0bd6d2.exe
    "C:\Users\Admin\AppData\Local\Temp\6edf8aaaaeb37888ac3dce91ac29025fa6f63c33162e306ec4825ab43c0bd6d2.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1096

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\qji5DA5.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Users\Admin\AppData\Local\Temp\qji5DA5.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • memory/1096-132-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1096-135-0x00000000006B0000-0x0000000000723000-memory.dmp

    Filesize

    460KB

  • memory/1096-136-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1096-137-0x00000000006B0000-0x0000000000723000-memory.dmp

    Filesize

    460KB

  • memory/1096-138-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1096-139-0x00000000006B0000-0x0000000000723000-memory.dmp

    Filesize

    460KB