ed5c7f5d23669a7f55899a046636339ee9f6df4d77070efae97f5468035f1662

Reason

Machine shutdown

General

Target

b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe
Size

50KB
MD5

b0b3e061f1b9958210352f61bcca8b9c
SHA1

ebab33681a221103e118bbfcb4fd37151e12fa0d
SHA256

ed5c7f5d23669a7f55899a046636339ee9f6df4d77070efae97f5468035f1662
SHA512

f98b4f00f5d6f691638b7e0c29f7289aaa3a24306e196b80ebd53d2ac9d3cbe38ddc0de286631fb6126b65a5fc8d806ac4e57b6e577136ce1c910baa9573c43c
SSDEEP

768:/p3usVVzsBYqxwZCViLy7RFpvLXuZr32BBaAriUFE0tFmvDRRCkC5HVYPCEJ:BeG8wbLyNFxLXKyBhXm0tFmvD4HyP5

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	b0b3e061f1b9958210352f61bcca8b9c_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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3117219051 = "C:\\Users\\Admin\\3117219051.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	b0b3e061f1b9958210352f61bcca8b9c_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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	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\ColorizationColor = "3288365271"	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\ColorizationAfterglow = "3288365271"	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\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "126"	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\ColorizationBlurBalance = "1"	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\ColorizationGlassAttribute = "1"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1100	b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe
Token: SeShutdownPrivilege	4928	shutdown.exe
Token: SeRemoteShutdownPrivilege	4928	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3552	LogonUI.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 2828	1100	b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe	85
PID 1100 wrote to memory of 2828	1100	b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe	85
PID 1100 wrote to memory of 2828	1100	b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe	85
PID 2828 wrote to memory of 4808	2828	cmd.exe	87
PID 2828 wrote to memory of 4808	2828	cmd.exe	87
PID 2828 wrote to memory of 4808	2828	cmd.exe	87
PID 1100 wrote to memory of 4928	1100	b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe	89
PID 1100 wrote to memory of 4928	1100	b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe	89
PID 1100 wrote to memory of 4928	1100	b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe	89
PID 1100 wrote to memory of 3440	1100	b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe	91
PID 1100 wrote to memory of 3440	1100	b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe	91
PID 1100 wrote to memory of 3440	1100	b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b0b3e061f1b9958210352f61bcca8b9c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 3117219051 /t REG_SZ /d "%userprofile%\3117219051.exe" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2828
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 3117219051 /t REG_SZ /d "C:\Users\Admin\3117219051.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:4808
- 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:4928
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B0B3E0~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3440

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39a6855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3552

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/1100-0-0x00000000005A0000-0x00000000005B0000-memory.dmp

Filesize
64KB

Download
memory/1100-2-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1100-5-0x00000000005A0000-0x00000000005B0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads