Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 22:27

General

  • Target

    e6002162f961fccb720de43120de00d6_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    e6002162f961fccb720de43120de00d6

  • SHA1

    230082005dea8730637d0139d65e05a057c47219

  • SHA256

    d7316147eebe9516b3270a0db0f6115946cbf16c7481b3a1c3559ba9467ea912

  • SHA512

    e7c1a43b1ccb9575f9c8f4409e5d92c8b4acde473b35dc88bdbb605944d25cbeed2d2c698f5a6e4235cbc6e343d21994b9dac1824e2c1582f4ac2a47251aa4eb

  • SSDEEP

    24576:tDbtrJZ5HAlzh3psjXEuMPBbQCnoVFrfFku+otcsrJsC:nz5glzh52EuMlQLVFrGot1rJs

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/858957282438938625/3kCjQ4X7YW4TW7DTgUtbmym8GLG7UL3BOSBerPvdbDKL2ADHt7MRoSh9PuPhgf460TIb

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6002162f961fccb720de43120de00d6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e6002162f961fccb720de43120de00d6_JaffaCakes118.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1968

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\44\Browsers\Firefox\Bookmarks.txt
    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\ProgramData\44\Process.txt
    Filesize

    411B

    MD5

    8a1f52495f76f991e2943e13ae42b188

    SHA1

    4eb81aaa198b54b39298aef7da8895771d49845e

    SHA256

    4ab50c5450df7964ef27e1c74238656d4b681ab031e80ed32af5ba099dc9342a

    SHA512

    69d802c9b163441b2f9534574774c5403eecdc4049736379e4d1ef5d3dce719fa2479f6a5cce902994a6aa1a024b93089f5f7feb642085e92a48267eb2c08fc3

  • memory/1968-0-0x0000000000340000-0x00000000006EE000-memory.dmp
    Filesize

    3.7MB

  • memory/1968-2-0x0000000074C10000-0x00000000752FE000-memory.dmp
    Filesize

    6.9MB

  • memory/1968-1-0x0000000000340000-0x00000000006EE000-memory.dmp
    Filesize

    3.7MB

  • memory/1968-3-0x00000000058E0000-0x0000000005920000-memory.dmp
    Filesize

    256KB

  • memory/1968-54-0x0000000000340000-0x00000000006EE000-memory.dmp
    Filesize

    3.7MB

  • memory/1968-55-0x0000000074C10000-0x00000000752FE000-memory.dmp
    Filesize

    6.9MB