Overview

overview

10

Static

static

3

JaffaCakes...98.exe

windows7-x64

10

JaffaCakes...98.exe

windows10-2004-x64

3

Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-01-2025 07:42

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General

  • Target

    JaffaCakes118_e09b86f36b76815a47b015c0c231e898.exe

  • Size

    279KB

  • MD5

    e09b86f36b76815a47b015c0c231e898

  • SHA1

    4f31bbe61129797e69a00f7aaa60f3fe058002de

  • SHA256

    758662a8e93ea4a3edb2d24f314fb79c742e5a18061a15f5177b5410125481ca

  • SHA512

    f1c707c132fc1666b90e3d7708e5599a416999dcee85a795eeda43605c91fad1703164767be701ea961029d23421c8941353aeefdea8df97cea40ae743df2447

  • SSDEEP

    3072:h2FAounJs1ZN12k4Z3lZxyQ1pmG9fyTBWYKf8Sycv0nq/r0OIX9NDAu5g20C12At:UGnn5ZZD9cBWDAhnqcP550CMH2Pee

Score
10/10
cycbotbackdoorcredential_accessdiscoveryevasionpersistenceratspywarestealerupx

Malware Config

Signatures

  • Cycbot

    Cycbot is a backdoor and trojan written in C++..

    backdoorratcycbot
  • Cycbot family
    cycbot
  • Detects Cycbot payload 7 IoCs

    Cycbot is a backdoor and trojan written in C++.

  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Disables taskbar notifications via registry modification
    evasion
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

    credential_accessstealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops file in Program Files directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of FindShellTrayWindow 28 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e09b86f36b76815a47b015c0c231e898.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e09b86f36b76815a47b015c0c231e898.exe"
    1⤵
    • Modifies security service
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1156
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e09b86f36b76815a47b015c0c231e898.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e09b86f36b76815a47b015c0c231e898.exe startC:\Users\Admin\AppData\Roaming\45798\37C9A.exe%C:\Users\Admin\AppData\Roaming\45798
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2880
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e09b86f36b76815a47b015c0c231e898.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e09b86f36b76815a47b015c0c231e898.exe startC:\Program Files (x86)\98FF5\lvvm.exe%C:\Program Files (x86)\98FF5
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3020
    • C:\Program Files (x86)\LP\9A64\275E.tmp
      "C:\Program Files (x86)\LP\9A64\275E.tmp"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1524
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3040
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

4
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

2
T1012

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

2
T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\45798\8FF5.579
    Filesize

    1KB

    MD5

    83a392f5199b494483934049b17e12f0

    SHA1

    c7606dbf8addea936cd7223c6026282005601b7a

    SHA256

    820d1d980677558948cd6303da76e3c53d796c83a19e9a4ee8ec94a96f879732

    SHA512

    4d91a39c530b4853ab533bae72e7a604bda3ad0b9eb6c0cac6804fc99f1329a8e06f602ad533438bedf51c55807339f3f023763b951c97d79ec80699a9233640

    Download Submit

  • C:\Users\Admin\AppData\Roaming\45798\8FF5.579
    Filesize

    600B

    MD5

    f46610b7b08c88e3e0d1dbb3f68948b8

    SHA1

    72b0d7a6c60723ff21df8066325b2c22197a6bbd

    SHA256

    4b638884f0322eaa5a8604ae00816c4c496be6d43cb710dc78add6aff0d1c1c8

    SHA512

    28fe76b7b1fd8a4ec6fddfa251dfeedaec0c56de25ff5eada4b102db713ae3dc25e1ada12790bf56e9fefb1fd08cccb1285bc35343f00d0bef17803b47f116bc

    Download Submit

  • C:\Users\Admin\AppData\Roaming\45798\8FF5.579
    Filesize

    996B

    MD5

    cb9e843c623859f84dfff5a69e8c9575

    SHA1

    11ab295c47c327ebe9f068f492f5cfc257843888

    SHA256

    9132aec413cae6521dc8c78775cbf85ea8c6b921c980ee264166b71862ccb0bb

    SHA512

    f4281c2140bcc89d4f660a4b3b7d97399797b650ac07648f6e69ec892239dcd6e0a02ed0700eee077df7bfc2f041fb70f4dcbe82eb27cd4610d965da6a6fab20

    Download Submit

  • \Program Files (x86)\LP\9A64\275E.tmp
    Filesize

    98KB

    MD5

    c465b48ab563947d31ba4e373991f6b0

    SHA1

    d1995bc15dd53facd219db97aca8866633afed59

    SHA256

    23dfd5ff90356ca2694ce2987af9ecaf0a9ee04e73d4c860ba7419daa1823397

    SHA512

    227c8ab10cfc8760fba8b96991d8192e98ba284abfd309bb39fda20ed6474776b70024b180da36277844cc0d538e33635fcc1eeab8f6cdab6bc80c221bb6ff7f

    Download Submit

  • memory/1156-2-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/1156-202-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/1156-199-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/1156-1-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

    Download

  • memory/1156-16-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

    Download

  • memory/1156-17-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/1156-91-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/1524-198-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/2880-15-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/2880-13-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/2880-12-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/3020-90-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/3020-88-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download