Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 19:43

General

  • Target

    14d6102d748e02c486011ba6f2bc5a1ad098529cbb48b87725c3ce13aa491239.exe

  • Size

    373KB

  • MD5

    e99ffce1603d64349bd2a3307ed0a892

  • SHA1

    f0928f7f75ba45cc21592bd62decee1992612555

  • SHA256

    14d6102d748e02c486011ba6f2bc5a1ad098529cbb48b87725c3ce13aa491239

  • SHA512

    490cc8d8929394c667a6bef7fe1fac98e87f600adc91c5605420211c1315dda6f695f355566638bc9c90a438128c2e9d7218690a884a7f4743d7bd5a8bc3cbc1

  • SSDEEP

    6144:k9KFnp0Ak27gU6bF8VmOAOFpjFoDaKFhNsUzZEwQe:1FnphE780OzxFoDaEhNLVX7

Malware Config

Signatures

  • Detect Neshta payload 3 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 2 IoCs
  • Modifies system executable filetype association 2 TTPs 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14d6102d748e02c486011ba6f2bc5a1ad098529cbb48b87725c3ce13aa491239.exe
    "C:\Users\Admin\AppData\Local\Temp\14d6102d748e02c486011ba6f2bc5a1ad098529cbb48b87725c3ce13aa491239.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Local\Temp\3582-490\14d6102d748e02c486011ba6f2bc5a1ad098529cbb48b87725c3ce13aa491239.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\14d6102d748e02c486011ba6f2bc5a1ad098529cbb48b87725c3ce13aa491239.exe"
      2⤵
      • Executes dropped EXE
      PID:2040

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • \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\14d6102d748e02c486011ba6f2bc5a1ad098529cbb48b87725c3ce13aa491239.exe
    Filesize

    333KB

    MD5

    f0461bd45feb5efa1f8d3aa62c23e255

    SHA1

    c5e8421ad6a3cfe65e3ae6d11921c9648107539a

    SHA256

    105122d3021a8dc0444cef015d517ffc7c86f8b994e1fda83921593b9f51302e

    SHA512

    706d0c8fe2d0041c2e8d8717654166067d47d569e6215ca81ea99d91cc6e04c77ed0021d9685e4c811314f4089810136038c04afe6c6354e15c9648dc91ca977

  • memory/2856-83-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2856-85-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB