b49aa4b947333397cb9fe9ac4752437b2ff87bceff7add7494feb7074f6e0f9d

Reason

Machine shutdown

General

Target

81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe
Size

55KB
MD5

81ce02ae55ada2a82d3312ef42d81ed1
SHA1

8cb85ef44f3578126245ce8b7ed5eb0aca022faa
SHA256

b49aa4b947333397cb9fe9ac4752437b2ff87bceff7add7494feb7074f6e0f9d
SHA512

d741d1d1eb356e38c707854651aaa55b3a7a2a8cc1682ba31d2ca74964f0e4ba8d0dd5a2177548251b85063bca7c76a739a044e9d1d806b955e5bc250d25dea1
SSDEEP

768:De1fm4vVLnlcDOZ80sprqSw/ZHOBFoSEWbDI41M8ujkuuqkcr4:De7xlcDH0YWSw/ZHOBFCoDIkLA4

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3774859476-2260090144-3466365324-1000\Control Panel\International\Geo\Nation	81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3774859476-2260090144-3466365324-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1049429571 = "C:\\Users\\Admin\\1049429571.exe"	reg.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cMd.exE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "55"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	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\Explorer\Accent\AccentColorMenu = "4292311040"	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\ColorizationAfterglowBalance = "10"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	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\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4768	81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe
Token: SeShutdownPrivilege	3512	shutdown.exe
Token: SeRemoteShutdownPrivilege	3512	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2136	LogonUI.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 400	4768	81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe	83
PID 4768 wrote to memory of 400	4768	81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe	83
PID 4768 wrote to memory of 400	4768	81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe	83
PID 400 wrote to memory of 2908	400	cMd.exE	85
PID 400 wrote to memory of 2908	400	cMd.exE	85
PID 400 wrote to memory of 2908	400	cMd.exE	85
PID 4768 wrote to memory of 3512	4768	81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe	87
PID 4768 wrote to memory of 3512	4768	81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe	87
PID 4768 wrote to memory of 3512	4768	81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe	87
PID 4768 wrote to memory of 4160	4768	81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe	90
PID 4768 wrote to memory of 4160	4768	81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe	90
PID 4768 wrote to memory of 4160	4768	81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81ce02ae55ada2a82d3312ef42d81ed1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\SysWOW64\cMd.exE
  cMd.exE /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 1049429571 /t REG_SZ /d "%userprofile%\1049429571.exe" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:400
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 1049429571 /t REG_SZ /d "C:\Users\Admin\1049429571.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2908
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /f /t 3
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3512
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\81CE02~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4160

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39bf055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2136

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4768-0-0x0000000002180000-0x0000000002191000-memory.dmp

Filesize
68KB

Download
memory/4768-2-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4768-5-0x0000000002180000-0x0000000002191000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads