7fefe0ffc332900a888aeb763e845bb5d9198c5756d812f27d45aa43e6013477

Analysis

max time kernel
3s
max time network
11s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:26

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Reason

Machine shutdown

Report Analysis Logs

General

Target

81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe
Size

151KB
MD5

81c889741b0aeee644495da9e89b0198
SHA1

ab1d6baff6b2252406b7ca9065d3e0417de90bea
SHA256

7fefe0ffc332900a888aeb763e845bb5d9198c5756d812f27d45aa43e6013477
SHA512

7d752f09558fc20482dc38a26f7bf7e031a20bff2664f4d443bc039f89068c1253365d9b02703573bdadce8a1a09c6876379a362318526d44c501a47c7efafbe
SSDEEP

3072:WPXkW9G8ZTK/a9LhuctP81VlnYV1+vnDKMG/Ygxdf80AeRcL5:WPXkW9pF59l1JwDFvnD2Xf80AnF

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\physicaldrive0	81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "161"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1884	81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe

Suspicious behavior: RenamesItself 2 IoCs

pid	Process
1884	81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe
1884	81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1884	81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe
Token: SeShutdownPrivilege	1884	81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
400	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:1884

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa399f855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1884-0-0x0000000000413000-0x0000000000417000-memory.dmp

Filesize
16KB

Download
memory/1884-1-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1884-2-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1884-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1884-4-0x0000000000413000-0x0000000000417000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads