Overview

overview

8

Static

static

3

c899f93e8b...18.exe

windows7-x64

8

c899f93e8b...18.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    29-08-2024 09:57

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General

  • Target

    c899f93e8b753fedd068ef3fe2edb0fd_JaffaCakes118.exe

  • Size

    403KB

  • MD5

    c899f93e8b753fedd068ef3fe2edb0fd

  • SHA1

    144b1f18d0e307d14937c21ca1d7cbfc91828a10

  • SHA256

    5c2a85fb56de2e0a1a1d260ef2177e0209477586c8a6740494bbaf40a9785f47

  • SHA512

    1aceacb4eba0815322dd3fcd273d8703408362eee3b2d2b5981d2abbe4c2b02852608f46b2e7ce46a50e921871d445c239014b5957c6ba0606bd0334ce7bd41b

  • SSDEEP

    12288:eBMDMf+ztV53y2k9I68iXDycz+rYIYsVRSHsDr:eS4S53h68eIZjD

Score
8/10
discoveryevasionlateral_movementpersistenceprivilege_escalationspywarestealertrojan

Malware Config

Signatures

  • Modifies RDP port number used by Windows 1 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 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
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Maps connected drives based on registry 3 TTPs 5 IoCs

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

  • Remote Services: SMB/Windows Admin Shares 1 TTPs 2 IoCs

    Adversaries may use Valid Accounts to interact with a remote network share using Server Message Block (SMB).

    lateral_movement
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 2 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 21 IoCs

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

  • Enumerates system info in registry 2 TTPs 64 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c899f93e8b753fedd068ef3fe2edb0fd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c899f93e8b753fedd068ef3fe2edb0fd_JaffaCakes118.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Maps connected drives based on registry
    • Remote Services: SMB/Windows Admin Shares
    • Event Triggered Execution: Netsh Helper DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1644
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x26c
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

6
T1012

System Information Discovery

7
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Remote Services

2
T1021

Remote Desktop Protocol

1
T1021.001

SMB/Windows Admin Shares

1
T1021.002

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SpySheriff\SpySheriff.lnk
    Filesize

    1KB

    MD5

    741101c7637156d175e485b2bcad485a

    SHA1

    9f9d1715421e81d6f7061ac04a5710754be2b5b0

    SHA256

    b325325b55bf03f6fc59262f8075f466b7ae1343259fa25d426f0fd628118eac

    SHA512

    9bc303236c6749eec31392dee8b2d61da58b80039b097fdd9bb4ecefb7684cde69bd6f6950a8fc41a2bc62c752ad9e932ad3c39e9c850d8f05cb51b505aad7dc

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  • memory/1644-5-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

    Download

  • memory/1644-15-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

    Download