Overview

overview

10

Static

static

3

JaffaCakes...0c.exe

windows7-x64

10

JaffaCakes...0c.exe

windows10-2004-x64

3

Analysis

  • max time kernel
    140s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2025 10:53

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General

  • Target

    JaffaCakes118_20b2937b7b757af9baaf2ae7be88140c.exe

  • Size

    279KB

  • MD5

    20b2937b7b757af9baaf2ae7be88140c

  • SHA1

    5c69e5b92e5fa49894a25b884b31a0af95a4cd3a

  • SHA256

    5d08ec9ab8e3a1bd3731edb0cf9590f1df492ca27533c8a95e975fced9d0a286

  • SHA512

    97dbde937d747e34ef0aa4d21b5f2e104cb6d1b357ba3905beb20c919b4caf346dfdbc3e893128753a351badaa700c960aa3bd756c6607899e14a3c01518d097

  • SSDEEP

    6144:8P/dgEK6Q5+u+beL3+v2iFp/7SyY2ukmYmKHVgyg:8PT9roPiz/7DXukfmMg

Score
10/10
cycbotbackdoorcredential_accessdefense_evasiondiscoverypersistenceratspywarestealerupx

Malware Config

Signatures

  • Cycbot

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

    backdoorratcycbot
  • Cycbot family
    cycbot
  • Detects Cycbot payload 8 IoCs

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

  • Modifies security service 2 TTPs 1 IoCs
    defense_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
    defense_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
    defense_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_20b2937b7b757af9baaf2ae7be88140c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20b2937b7b757af9baaf2ae7be88140c.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:2432
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20b2937b7b757af9baaf2ae7be88140c.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20b2937b7b757af9baaf2ae7be88140c.exe startC:\Users\Admin\AppData\Roaming\BFE4E\D117E.exe%C:\Users\Admin\AppData\Roaming\BFE4E
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2960
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20b2937b7b757af9baaf2ae7be88140c.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20b2937b7b757af9baaf2ae7be88140c.exe startC:\Program Files (x86)\4E349\lvvm.exe%C:\Program Files (x86)\4E349
      2⤵
      • System Location Discovery: System Language Discovery
      PID:628
    • C:\Program Files (x86)\LP\7E6B\F595.tmp
      "C:\Program Files (x86)\LP\7E6B\F595.tmp"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1048
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2864
  • 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:1356

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

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Downloads

  • C:\Users\Admin\AppData\Roaming\BFE4E\E349.FE4
    Filesize

    1KB

    MD5

    04cc2f7d6d78ed84b89961c14234e5a0

    SHA1

    e448148f79c85b1e67c5b10153a96d84275005e8

    SHA256

    ea100e175e12befb8f923e190faa0dcfa139145cab9c4e4b2da23b4355bcf098

    SHA512

    edb6137ee59b429fb63067e52452baab5cb92502980100e62beb6c20eca4fdc72150ed3cfab1849ba88654d8e32cd5a8852a2c6c19211e6c93fa0185c16445ef

    Download Submit

  • C:\Users\Admin\AppData\Roaming\BFE4E\E349.FE4
    Filesize

    1KB

    MD5

    4ba4c729e93344abc1b6e73f9bc3c0be

    SHA1

    3d3ef5f04be49dd0bdccf0f6950244346e4858cd

    SHA256

    7f605d0ac0b3b48c4eec59d8a5adb86a1cf875b81b63ca7da9265a0a55a5a5b9

    SHA512

    64dd10bc13180fcd9124e4931ec468bdbafdf14c378d4dc3787dd7696b3b5ae3c04c3fb5a8ae3ead353bf2201e30a9bc754771f66a545edddb24059ebaa5a753

    Download Submit

  • C:\Users\Admin\AppData\Roaming\BFE4E\E349.FE4
    Filesize

    600B

    MD5

    10e9a78e708163106efb2249d2ae5d70

    SHA1

    ce0789720a862c17a8384c508d69ac834ff381ea

    SHA256

    2f5633943b7b11fa9a212867b6c0b666497c150ee999d1c77569f117f074bdda

    SHA512

    e4ead3dd1fb2a694dccf80232dc6e561b6cc0ca7a23685cbb358b5493545b18f1b016939445e60a64ae13db508c97e4bc8a38756c52b0f9c3997fbbdac741e75

    Download Submit

  • \Program Files (x86)\LP\7E6B\F595.tmp
    Filesize

    98KB

    MD5

    c465b48ab563947d31ba4e373991f6b0

    SHA1

    d1995bc15dd53facd219db97aca8866633afed59

    SHA256

    23dfd5ff90356ca2694ce2987af9ecaf0a9ee04e73d4c860ba7419daa1823397

    SHA512

    227c8ab10cfc8760fba8b96991d8192e98ba284abfd309bb39fda20ed6474776b70024b180da36277844cc0d538e33635fcc1eeab8f6cdab6bc80c221bb6ff7f

    Download Submit

  • memory/628-90-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/628-88-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/628-91-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/1048-200-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/2432-86-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/2432-1-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

    Download

  • memory/2432-15-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/2432-13-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/2432-3-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

    Download

  • memory/2432-198-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/2432-2-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/2432-201-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download

  • memory/2960-16-0x00000000002E0000-0x0000000000326000-memory.dmp

    Filesize

    280KB

    Download

  • memory/2960-17-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

    Download