c86d19c684d18252121cfd5d36c87d8dc364fdcc0a6c9d8f7f5af7ff6b6461a1

General

Target

45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
Size

248KB
MD5

45ca8fc5a1b61044eabebd8acd4b0b78
SHA1

29bec22e63b92b761c08b995ccc3245fff185938
SHA256

c86d19c684d18252121cfd5d36c87d8dc364fdcc0a6c9d8f7f5af7ff6b6461a1
SHA512

2d437dff4c1b01428e9f551163936fa031123b24de92b7be8fa43645ef8bb9fa3c46bf6687e7db11d62dde46cba45e3c99c32eeb451754b5ec2c9266c923f71c
SSDEEP

768:jZKM11gG4ChfiPO0rfz0shcUypMC5/VKhZyg3iepFV222qSFs/IqY2sO2S9:gMDgG4ChfiPOefgsOUqQwg

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System applets = "C:\\Windows\\System\\applets.exe"	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Syssrc32 = "C:\\Windows\\Syssrc32.exe"	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fndfst32 = "C:\\Windows\\System\\fndfst32.exe"	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Explorer Shell = "C:\\Windows\\System\\Explorer.exe"	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe

Drops file in Windows directory 14 IoCs

description	ioc	Process
File created	C:\Windows\System\applets.exe	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File created	C:\Windows\Help\intret.cnt	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File created	C:\Windows\System\Sysexp32.exe	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File opened for modification	C:\Windows\System\fndfst32.exe	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File opened for modification	C:\Windows\System\Explorer.exe	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File created	C:\Windows\System\Explorer.exe	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File opened for modification	C:\Windows\Help\intret.cnt	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File opened for modification	C:\Windows\System\Sysexp32.exe	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File opened for modification	C:\Windows\System\mplayerw.exe	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File created	C:\Windows\System\mplayerw.exe	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File opened for modification	C:\Windows\System\applets.exe	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File opened for modification	C:\Windows\Syssrc32.exe	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File created	C:\Windows\Syssrc32.exe	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
File created	C:\Windows\System\fndfst32.exe	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
300	2568	WerFault.exe	29

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	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\Explore = "%SystemRoot%\\SysWow64\\NOTEPAD.EXE %1"	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\System\\Sysexp32.exe %1"	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 300	2568	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe	30
PID 2568 wrote to memory of 300	2568	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe	30
PID 2568 wrote to memory of 300	2568	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe	30
PID 2568 wrote to memory of 300	2568	45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\45ca8fc5a1b61044eabebd8acd4b0b78_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 92
  2⤵
  - Program crash
  PID:300

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

C:\Windows\system\Sysexp32.exe

Filesize
260KB

MD5
ba4393b9817c6ae881143a13bc83d53d

SHA1
738bc2bab17af86789fbd7fca49ec47fd1dfbff9

SHA256
e8484f1e7aea7ca94b866f14b4584dbafdec9b2bc95ee72e4a9cb220501510cf

SHA512
903e5c79c89e411441e01a5dfe22998a64dca8d594e24d83c5416f3537a373a022e075a46c70659a0a98917f122dbae85e94a6580e37dbc03bc66dbb358128dd

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads