Analysis

  • max time kernel
    153s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 16:35

General

  • Target

    305e76ff96ae2dff9d8aafcf0aaa5c4fabd653a872f17a80ce9a0ed32995b44f.exe

  • Size

    4.2MB

  • MD5

    7472aa8ada24db2f7b3aa935ada3dc6e

  • SHA1

    4b87411466b7a966590203f5a15c16ff28a00d4d

  • SHA256

    305e76ff96ae2dff9d8aafcf0aaa5c4fabd653a872f17a80ce9a0ed32995b44f

  • SHA512

    9a57cfcb384523126777c20f219676123c0551d04b2de7d2ab629e9a2961fb40bf343ab18741e700066e00e2a3b05eddb2552168a444e31bf62c882dcae466d6

  • SSDEEP

    49152:RLtNez2CtydkWv3VxW16H/2J7owXVcAjsoqrtJIZQyOn9B5d1nj3zEXq:RL5CtyFLH/2bVurtZsXq

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\305e76ff96ae2dff9d8aafcf0aaa5c4fabd653a872f17a80ce9a0ed32995b44f.exe
    "C:\Users\Admin\AppData\Local\Temp\305e76ff96ae2dff9d8aafcf0aaa5c4fabd653a872f17a80ce9a0ed32995b44f.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:1976
    • C:\Users\Admin\AppData\Local\Temp\3582-490\305e76ff96ae2dff9d8aafcf0aaa5c4fabd653a872f17a80ce9a0ed32995b44f.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\305e76ff96ae2dff9d8aafcf0aaa5c4fabd653a872f17a80ce9a0ed32995b44f.exe"
      2⤵
      • Executes dropped EXE
      PID:1952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\305e76ff96ae2dff9d8aafcf0aaa5c4fabd653a872f17a80ce9a0ed32995b44f.exe

    Filesize

    4.2MB

    MD5

    d4b76dd9b43587029d1b48dae73706e2

    SHA1

    9addc3853b6c405677bf0e27d180622aa81bc66a

    SHA256

    a15ad35ceabc28142da6460bcb2125f1151985b64677edf3383f7c186e9664a0

    SHA512

    b4162ac0f15e7bebcce6a6da945d1504ab145ca0cf8f0aa324058f40b2ee81c7a1ff986ba21b92249359c12b94db8444c61d6e8738a582a596c6453385a20047

  • \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\305e76ff96ae2dff9d8aafcf0aaa5c4fabd653a872f17a80ce9a0ed32995b44f.exe

    Filesize

    4.2MB

    MD5

    d4b76dd9b43587029d1b48dae73706e2

    SHA1

    9addc3853b6c405677bf0e27d180622aa81bc66a

    SHA256

    a15ad35ceabc28142da6460bcb2125f1151985b64677edf3383f7c186e9664a0

    SHA512

    b4162ac0f15e7bebcce6a6da945d1504ab145ca0cf8f0aa324058f40b2ee81c7a1ff986ba21b92249359c12b94db8444c61d6e8738a582a596c6453385a20047

  • \Users\Admin\AppData\Local\Temp\3582-490\305e76ff96ae2dff9d8aafcf0aaa5c4fabd653a872f17a80ce9a0ed32995b44f.exe

    Filesize

    4.2MB

    MD5

    d4b76dd9b43587029d1b48dae73706e2

    SHA1

    9addc3853b6c405677bf0e27d180622aa81bc66a

    SHA256

    a15ad35ceabc28142da6460bcb2125f1151985b64677edf3383f7c186e9664a0

    SHA512

    b4162ac0f15e7bebcce6a6da945d1504ab145ca0cf8f0aa324058f40b2ee81c7a1ff986ba21b92249359c12b94db8444c61d6e8738a582a596c6453385a20047

  • memory/1952-57-0x0000000000000000-mapping.dmp

  • memory/1952-60-0x0000000000400000-0x000000000082B000-memory.dmp

    Filesize

    4.2MB

  • memory/1976-54-0x00000000754E1000-0x00000000754E3000-memory.dmp

    Filesize

    8KB

  • memory/1976-59-0x00000000025F0000-0x0000000002A1B000-memory.dmp

    Filesize

    4.2MB

  • memory/1976-62-0x00000000025F0000-0x0000000002A1B000-memory.dmp

    Filesize

    4.2MB