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Overview

overview

10

Static

static

3

dff3fb883b...18.exe

windows7-x64

10

dff3fb883b...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/12/2024, 04:51

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General

  • Target

    dff3fb883bd41d208d344a1534c10972_JaffaCakes118.exe

  • Size

    174KB

  • MD5

    dff3fb883bd41d208d344a1534c10972

  • SHA1

    92fd3eeb533a414a83cef63fda56bc52c5ca1f48

  • SHA256

    8a251398871531f740093271c792314bb8d9faaac016bc452b0fb49ba59a9a4b

  • SHA512

    5b3bbc757266bcf57bc9bdc6e5cb502e47f059cfa1a5f58429a976b8d5151e56a1521c22c013f3f7d726b206df3583fb58e31bce7df84973656d1527bb1463b0

  • SSDEEP

    3072:c65j3F+CNfYzPvvZ88gCH+S5/946iRBbs7qe756xNcvCupCkkYbJKog6NSLkVF1H:c+2zvZ8z43wRBbsGky7zsVF1IL+tWB

Score
10/10
cycbotbackdoordiscoveryevasionpersistenceratspywarestealerupx

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
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • UPX packed file 9 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 3 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 8 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\dff3fb883bd41d208d344a1534c10972_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dff3fb883bd41d208d344a1534c10972_JaffaCakes118.exe"
    1⤵
    • Modifies security service
    • 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:2764
    • C:\Users\Admin\AppData\Local\Temp\dff3fb883bd41d208d344a1534c10972_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\dff3fb883bd41d208d344a1534c10972_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\BCDE9\222BB.exe%C:\Users\Admin\AppData\Roaming\BCDE9
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2884
    • C:\Users\Admin\AppData\Local\Temp\dff3fb883bd41d208d344a1534c10972_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\dff3fb883bd41d208d344a1534c10972_JaffaCakes118.exe startC:\Program Files (x86)\E9658\lvvm.exe%C:\Program Files (x86)\E9658
      2⤵
      • System Location Discovery: System Language Discovery
      PID:688
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2832
  • 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:2492

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

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\BCDE9\9658.CDE
    Filesize

    1KB

    MD5

    9834ec2ce1ca9931e0f4ddaa455226e1

    SHA1

    ded44c89acc7489c45fa6436147e0268ad414356

    SHA256

    864df480619d726e99eddd4d54fb3004d75590f3ed65022a5251bb17cd5e9114

    SHA512

    5dae3a6356a097e12607dc8fdfcf2d224274ef4e7e21af322e5862fe8e98c55dc102604be3a6f0c830a224a8995e98acb76e2f644f3fff7e73ec346078efac2c

    Download Submit

  • C:\Users\Admin\AppData\Roaming\BCDE9\9658.CDE
    Filesize

    600B

    MD5

    12fba7bde053ac4596d70fb2883d3a09

    SHA1

    52695240d80a2d1149b56885166fe7e2233e7e91

    SHA256

    307d44e0333420bafd1d0573223cb000727575f2f580efe66f91ff84e8748f38

    SHA512

    8eb0ad35a07327d45a3ae037269f8cc1eec22c0add45ce795e8970615f25d395194cf30b1cf1e52f5a2d654f5729295faf9eb8ae9ee9f051fca10f86bcadac2b

    Download Submit

  • C:\Users\Admin\AppData\Roaming\BCDE9\9658.CDE
    Filesize

    996B

    MD5

    222b1ea02993d3c31a006b50d3ada73f

    SHA1

    8a574368dfb66369f0976a504ea166c099d02e9d

    SHA256

    e81b125305def90884860362e3717f45082987d403a83cfbeae573c1d603b466

    SHA512

    f14249ca154a3830619886d9704dcc9e64942bf0dbd46f1d4dfb5398e2c5e67ab3cdfd4f4a5a1f3dbe57f6a99b37a15de4ddaea0a0d279c79bc29a2292835411

    Download Submit

  • memory/688-85-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download

  • memory/2764-86-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download

  • memory/2764-15-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

    Download

  • memory/2764-16-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download

  • memory/2764-1-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

    Download

  • memory/2764-2-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download

  • memory/2764-186-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download

  • memory/2764-189-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download

  • memory/2884-14-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download

  • memory/2884-12-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download

  • memory/2884-13-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download