1dc02cf74b687769cbd50cc7b3fb778cc18e579168fc9e76c1621a67205f4058

Reason

Machine shutdown

General

Target

5347a6d1f87020ecc51aaec84fb45621_JaffaCakes118.exe
Size

54KB
MD5

5347a6d1f87020ecc51aaec84fb45621
SHA1

83b567ab79cc02cb8bcadeca3bf1794b1ee80692
SHA256

1dc02cf74b687769cbd50cc7b3fb778cc18e579168fc9e76c1621a67205f4058
SHA512

9bd59a63b7f5a111cfc5e0f55adc9e14f278d84162a051dd465e9fe5407907bca45bcc7e77462f0cecc927123f19c7f6b1e1dda7eb416e485af1e16f4118231f
SSDEEP

768:jZhRnNHCdJVnSNMPop10gBX9OQUHL8aJYSUGoBJgAE/B5vlNubzXKoJ04PN:VnEdvwpianULDeWAE55mV

Score

6^/10

discovery persistence upx

Malware Config

Signatures

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1952426845gh781952426845leawrq45gh8 = "C:\\Users\\Admin\\1952426845\\1952426845.EXE"	reg.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3984-0-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3984-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 4 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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5347a6d1f87020ecc51aaec84fb45621_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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\CurrentVersion\Themes\History	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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	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\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\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "226"	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\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\DWM\ColorizationColorBalance = "89"	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\ColorizationColor = "3288365271"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1840	ShUtDOWn.exe
Token: SeRemoteShutdownPrivilege	1840	ShUtDOWn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2952	LogonUI.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 1840	3984	5347a6d1f87020ecc51aaec84fb45621_JaffaCakes118.exe	87
PID 3984 wrote to memory of 1840	3984	5347a6d1f87020ecc51aaec84fb45621_JaffaCakes118.exe	87
PID 3984 wrote to memory of 1840	3984	5347a6d1f87020ecc51aaec84fb45621_JaffaCakes118.exe	87
PID 3984 wrote to memory of 2196	3984	5347a6d1f87020ecc51aaec84fb45621_JaffaCakes118.exe	88
PID 3984 wrote to memory of 2196	3984	5347a6d1f87020ecc51aaec84fb45621_JaffaCakes118.exe	88
PID 3984 wrote to memory of 2196	3984	5347a6d1f87020ecc51aaec84fb45621_JaffaCakes118.exe	88
PID 2196 wrote to memory of 2764	2196	cmd.exe	91
PID 2196 wrote to memory of 2764	2196	cmd.exe	91
PID 2196 wrote to memory of 2764	2196	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\5347a6d1f87020ecc51aaec84fb45621_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5347a6d1f87020ecc51aaec84fb45621_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Windows\SysWOW64\ShUtDOWn.exe
  ShUtDOWn /R /T 4 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1840
- C:\Windows\SysWOW64\cmd.exe
  /c Reg Add HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 1952426845gh781952426845leawrq45gh8 /d "C:\Users\Admin\1952426845\1952426845.EXE" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\reg.exe
    Reg Add HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 1952426845gh781952426845leawrq45gh8 /d "C:\Users\Admin\1952426845\1952426845.EXE" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2764

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3943055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2952

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

Modify Registry

1

T1112

Credential Access

Discovery

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/3984-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3984-1-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3984-2-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3984-3-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3984-4-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3984-7-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3984-6-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3984-5-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3984-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads