Analysis

  • max time kernel
    188s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 18:12

General

  • Target

    671cc910a0d97317a425ba819a6cf3f2f90d111602b6014bf9f001d2116fa122.exe

  • Size

    160KB

  • MD5

    f223836b68ed46d77406464eba2382c5

  • SHA1

    ef66f218d994fb75dbf9b0aba076ffe65dc3b4ed

  • SHA256

    671cc910a0d97317a425ba819a6cf3f2f90d111602b6014bf9f001d2116fa122

  • SHA512

    29c396325eb2b02977f94cc5177a6a8d58a3e0c2e289d80d487f7e11c9c0b61c10b7a99a4b77333e395b42fe07276f16825864894c09d8e766c25768996e743d

  • SSDEEP

    3072:sr85CCMYce18cxI3nsULRFk3MjrqlqLgjtEotsyV3F6N2VYF:k9CMY/8cxI3DLRFgjDtvq2i

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.

  • Loads dropped DLL 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\671cc910a0d97317a425ba819a6cf3f2f90d111602b6014bf9f001d2116fa122.exe
    "C:\Users\Admin\AppData\Local\Temp\671cc910a0d97317a425ba819a6cf3f2f90d111602b6014bf9f001d2116fa122.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    PID:896

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

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

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/896-54-0x0000000075F21000-0x0000000075F23000-memory.dmp
    Filesize

    8KB