Analysis

  • max time kernel
    113s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 18:31

General

  • Target

    40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782.exe

  • Size

    489KB

  • MD5

    53642509834224486de34729fdb1f09b

  • SHA1

    c27de3242ed1bdc121d70514bea629aff9e68de5

  • SHA256

    40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782

  • SHA512

    1e6f6cb42ed139917546ea437d3e146f3e784188314d11345f6363064bdfba9bab76033d6dd70827d0f764c0570d09961da44b4525abf4b4578dd32fe3725a95

  • SSDEEP

    6144:k9uCBJ4d/81+2TecGyJbh6AuBmB9WjpcUWkdXszTEc9UnXfY51RRpMc8IGGnadob:U4CE2TrBV6AuBoQXd8V6XgjRojI4iCw

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 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 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\40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782.exe
    "C:\Users\Admin\AppData\Local\Temp\40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782.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:1096
    • C:\Users\Admin\AppData\Local\Temp\3582-490\40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Drops file in Windows directory
      PID:1324

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\PROGRA~2\COMMON~1\AOL\ANTISP~1\sdk\uninst.exe

    Filesize

    72KB

    MD5

    c5ab7f003797141bc8a14bec50ab4ddf

    SHA1

    749bdb8de92f116659f5b2c1d62517fb6d779760

    SHA256

    3438cbeff63c34fa9ecb0e22b5543bb587773e612f877486ade4160ac842b433

    SHA512

    73f5373c64b6a8a16cf06b31ac4bbfe6969fc4133177c60afe8c1b567529987b5514248d48af6207f74d5c2baa91c08d957a8ea15d1227a03daf6113adf405ba

  • C:\Users\Admin\AppData\Local\Temp\3582-490\40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782.exe

    Filesize

    448KB

    MD5

    459d8cd44b55a08cfc8547d1cd328b1f

    SHA1

    38545a5fe177f93d8a4d358653b18daa1d1a6503

    SHA256

    b570cb51e3fef3636057d6b31d8491b02f5506df6481518a8b56b8b0f501670c

    SHA512

    758001c86eeb0767eef2197b92329b993645e1be55f760efc25b3f70ac7fae7a809cca6414965e15ce1dc83f8d2274eb8c96be58d99fba1e945ca64641170bfd

  • C:\Users\Admin\AppData\Local\Temp\3582-490\40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782.exe

    Filesize

    448KB

    MD5

    459d8cd44b55a08cfc8547d1cd328b1f

    SHA1

    38545a5fe177f93d8a4d358653b18daa1d1a6503

    SHA256

    b570cb51e3fef3636057d6b31d8491b02f5506df6481518a8b56b8b0f501670c

    SHA512

    758001c86eeb0767eef2197b92329b993645e1be55f760efc25b3f70ac7fae7a809cca6414965e15ce1dc83f8d2274eb8c96be58d99fba1e945ca64641170bfd

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \PROGRA~2\COMMON~1\AOL\ANTISP~1\sdk\uninst.exe

    Filesize

    72KB

    MD5

    c5ab7f003797141bc8a14bec50ab4ddf

    SHA1

    749bdb8de92f116659f5b2c1d62517fb6d779760

    SHA256

    3438cbeff63c34fa9ecb0e22b5543bb587773e612f877486ade4160ac842b433

    SHA512

    73f5373c64b6a8a16cf06b31ac4bbfe6969fc4133177c60afe8c1b567529987b5514248d48af6207f74d5c2baa91c08d957a8ea15d1227a03daf6113adf405ba

  • \Users\Admin\AppData\Local\Temp\3582-490\40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782.exe

    Filesize

    448KB

    MD5

    459d8cd44b55a08cfc8547d1cd328b1f

    SHA1

    38545a5fe177f93d8a4d358653b18daa1d1a6503

    SHA256

    b570cb51e3fef3636057d6b31d8491b02f5506df6481518a8b56b8b0f501670c

    SHA512

    758001c86eeb0767eef2197b92329b993645e1be55f760efc25b3f70ac7fae7a809cca6414965e15ce1dc83f8d2274eb8c96be58d99fba1e945ca64641170bfd

  • \Users\Admin\AppData\Local\Temp\3582-490\40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782.exe

    Filesize

    448KB

    MD5

    459d8cd44b55a08cfc8547d1cd328b1f

    SHA1

    38545a5fe177f93d8a4d358653b18daa1d1a6503

    SHA256

    b570cb51e3fef3636057d6b31d8491b02f5506df6481518a8b56b8b0f501670c

    SHA512

    758001c86eeb0767eef2197b92329b993645e1be55f760efc25b3f70ac7fae7a809cca6414965e15ce1dc83f8d2274eb8c96be58d99fba1e945ca64641170bfd

  • \Users\Admin\AppData\Local\Temp\3582-490\40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782.exe

    Filesize

    448KB

    MD5

    459d8cd44b55a08cfc8547d1cd328b1f

    SHA1

    38545a5fe177f93d8a4d358653b18daa1d1a6503

    SHA256

    b570cb51e3fef3636057d6b31d8491b02f5506df6481518a8b56b8b0f501670c

    SHA512

    758001c86eeb0767eef2197b92329b993645e1be55f760efc25b3f70ac7fae7a809cca6414965e15ce1dc83f8d2274eb8c96be58d99fba1e945ca64641170bfd

  • \Users\Admin\AppData\Local\Temp\3582-490\40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782.exe

    Filesize

    448KB

    MD5

    459d8cd44b55a08cfc8547d1cd328b1f

    SHA1

    38545a5fe177f93d8a4d358653b18daa1d1a6503

    SHA256

    b570cb51e3fef3636057d6b31d8491b02f5506df6481518a8b56b8b0f501670c

    SHA512

    758001c86eeb0767eef2197b92329b993645e1be55f760efc25b3f70ac7fae7a809cca6414965e15ce1dc83f8d2274eb8c96be58d99fba1e945ca64641170bfd

  • \Users\Admin\AppData\Local\Temp\3582-490\40c93541874c8d8efcd72987876842efb375a60231dd448f9ead223d3454e782.exe

    Filesize

    448KB

    MD5

    459d8cd44b55a08cfc8547d1cd328b1f

    SHA1

    38545a5fe177f93d8a4d358653b18daa1d1a6503

    SHA256

    b570cb51e3fef3636057d6b31d8491b02f5506df6481518a8b56b8b0f501670c

    SHA512

    758001c86eeb0767eef2197b92329b993645e1be55f760efc25b3f70ac7fae7a809cca6414965e15ce1dc83f8d2274eb8c96be58d99fba1e945ca64641170bfd

  • \Users\Admin\AppData\Local\Temp\nsd89CB.tmp\utility.dll

    Filesize

    65KB

    MD5

    06fa9c1bcba14ecebf092fb0c99ac51e

    SHA1

    f9a1693ed98a20b973e5593d3c7c15efd714053b

    SHA256

    f9d04c1042a3365445295a75f3dd8d20efb37d252a40a4c465f501484bff933d

    SHA512

    188afcfe57b718a8e0693c28a993423f97e96ea56026d8b04384c5837795f226e77ec4e3befee83f2c9cad393daa29ac38713dcb7addfb634910cc20fa3c71e7

  • memory/1096-54-0x00000000768A1000-0x00000000768A3000-memory.dmp

    Filesize

    8KB

  • memory/1324-57-0x0000000000000000-mapping.dmp