Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 19:53

General

  • Target

    00393240d6fcc569a7ad194383d40f3e_JaffaCakes118.exe

  • Size

    97KB

  • MD5

    00393240d6fcc569a7ad194383d40f3e

  • SHA1

    e8aa0fa2afea4081f0b3e88ddf808d39df4eed23

  • SHA256

    ed5e2190a413f8fa2b6878706005fd87bfb197e2f48fb8b9561a38676beb6b62

  • SHA512

    f8b021085320c6d7a209089972fe40fb672aba4914a39a1ff07b1fa74e20dc5b72ad075e4b53a96d013f2dd6a3170a4b763973faaef3429a3cf10c88c37d6d68

  • SSDEEP

    1536:JxqjQ+P04wsmJC7ormdcyX+wZnxrb/zGTktDpbGA6H1DSnAP:sr85C70mdEwZxrPGUDp6JpP

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\00393240d6fcc569a7ad194383d40f3e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\00393240d6fcc569a7ad194383d40f3e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    PID:540

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\00393240d6fcc569a7ad194383d40f3e_JaffaCakes118.exe
    Filesize

    57KB

    MD5

    7cae52ace953d3bb613145227f467cdc

    SHA1

    54ffbbf6773193876c8559cbbbd56ed509714489

    SHA256

    30dc50942307b83400e222f006d916a04581a9f2c3e16338e7e7835257196c79

    SHA512

    10495526aa3f1fe2b677c0b66064ab53be1ee9fb125fb66134f4cd5b741c87222b66c87454c08809a07f8e1fcae77509ce4b43161a87ce3951c07837e354eb1d

  • memory/540-95-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/540-96-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/540-98-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB