a4d12cccab6ddc1d26ffea3bece78b9cfcd04f05a40b883c8a2a5bd19a7be72f

Reason

Machine shutdown

General

Target

5316fccdab0ec0934e401cec5e30c861_JaffaCakes118.exe
Size

129KB
MD5

5316fccdab0ec0934e401cec5e30c861
SHA1

74d7173b6d8756c199d124b73695394c057c361f
SHA256

a4d12cccab6ddc1d26ffea3bece78b9cfcd04f05a40b883c8a2a5bd19a7be72f
SHA512

7b0bd1c9c48807fe9c82f7e801d9155601dc25ff5505c2448da5e5cd6bfaebba9f68a4e91659aba11e36d0c12e87393b74994567419d17cd00bbc48fdc1dbf3a
SSDEEP

1536:cJwv9CA/tfJQeKUhk1RqTHDVCAk5lN1KJtEnWy/:n9h5JQehk1RWVCplN1KJ2W

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4172-0-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4172-7-0x0000000000400000-0x0000000000422000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2916	4172	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	5316fccdab0ec0934e401cec5e30c861_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ShUtDOWn.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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\EnableWindowColorization = "206"	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
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\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "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\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	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\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\ColorizationColor = "3288365271"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4552	ShUtDOWn.exe
Token: SeRemoteShutdownPrivilege	4552	ShUtDOWn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4012	LogonUI.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 4552	4172	5316fccdab0ec0934e401cec5e30c861_JaffaCakes118.exe	87
PID 4172 wrote to memory of 4552	4172	5316fccdab0ec0934e401cec5e30c861_JaffaCakes118.exe	87
PID 4172 wrote to memory of 4552	4172	5316fccdab0ec0934e401cec5e30c861_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\5316fccdab0ec0934e401cec5e30c861_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5316fccdab0ec0934e401cec5e30c861_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4172
- C:\Windows\SysWOW64\ShUtDOWn.exe
  ShUtDOWn /R /T 4 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4172 -s 224
  2⤵
  - Program crash
  PID:2916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4172 -ip 4172
1⤵
PID:5108

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa38c6055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4172-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4172-1-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/4172-2-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/4172-3-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/4172-4-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/4172-6-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/4172-5-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/4172-7-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

Errors