1422063d2370cec9700a071150eb386e3f3068fe1a4632755b8c2e86c6e9c2f5

Analysis

max time kernel
95s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-08-2024 05:17

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General

Target

b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe
Size

44KB
MD5

b239eccec259d6482de4c61a17ed564e
SHA1

8f44fae493ce35f5bfc14842895410c8c4c5d6d0
SHA256

1422063d2370cec9700a071150eb386e3f3068fe1a4632755b8c2e86c6e9c2f5
SHA512

863a80eb48e1d37a53c0012b642a67b7ef358308afa5718ab5803b66ae73dbbb8adcf9b44d4bab5cb1587ac4a5ee5a2b64ff43f48cc00d4ece0eb60edea8733d
SSDEEP

768:IpeBtNUbOERPJCYjDFypeGgvECjugkpprSLUU9UDeF:IpMtSbOEdjRypeG0ZjP8OMDeF

Score

8^/10

discovery persistence

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

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

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B764AA6C-B928-88C1-7D53-FC50E6543E95}	b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B764AA6C-B928-88C1-7D53-FC50E6543E95}\stubpath = "%SystemRoot%\\system32\\wuapi.exe"	b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wuapi.exe	b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wuapi.exe	b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe

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

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1472	b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 4100	1472	b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe	89
PID 1472 wrote to memory of 4100	1472	b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe	89
PID 1472 wrote to memory of 4100	1472	b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe	89
PID 1472 wrote to memory of 588	1472	b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe	97
PID 1472 wrote to memory of 588	1472	b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe	97
PID 1472 wrote to memory of 588	1472	b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b239eccec259d6482de4c61a17ed564e_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\SysWOW64\reg.exe
  reg delete "HKEY_CURRENT_USER\Software\Microsoft\Active Setup\Installed Components\{B764AA6C-B928-88C1-7D53-FC50E6543E95}" /f
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4100
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\B239EC~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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