f8ebd315ae1acef6163aaf3e22b19bde2701d7dc4cebf86450f11f19af5541b0

General

Target

b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Size

15KB
MD5

b1cd8207580def50e96ad490366db703
SHA1

fbb9a529ee7e3abadee5ad5fe5a53af9c097454b
SHA256

f8ebd315ae1acef6163aaf3e22b19bde2701d7dc4cebf86450f11f19af5541b0
SHA512

6affb0691b977345f3d32430e0bad3ffff8df7da66ca945c881da12da14cd2232f426325ab4abdf00c9d7dfa0ff0b73cc0e2b10a087453a2bd2366dd3038fabc
SSDEEP

384:k9IYMb7NNtGHyzwDfV4TZgpVE6NwXZYpNXbhsyGcHzjwSovwY:k9I1b7NNcyzwT1LEIwJYplGyGMX/ywY

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,rundll32 shell32 Control_RunDLL \"syskb.cpl\""	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2172	cmd.exe

Loads dropped DLL 4 IoCs

pid	Process
2152	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
2704	rundll32.exe
2704	rundll32.exe
2704	rundll32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\verclsid.exe	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\verclsid.exe	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\syskb.cpl	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\fonts\e326d590.ttf	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6717E-7E19-11d0-97EE-00C04FD91972}	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6717E-7E19-11d0-97EE-00C04FD91972}\InProcServer32\ = "syskb.cpl"	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{51CEAEDE-3DB6-480d-89AB-7334F3DE3095} = "e326d590;1242317484;-146125240,-65700324"	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6717E-7E19-11d0-97EE-00C04FD91972}\InProcServer32	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2704	rundll32.exe
2704	rundll32.exe
2704	rundll32.exe
2704	rundll32.exe
2704	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2704	2152	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	31
PID 2152 wrote to memory of 2704	2152	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	31
PID 2152 wrote to memory of 2704	2152	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	31
PID 2152 wrote to memory of 2704	2152	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	31
PID 2152 wrote to memory of 2704	2152	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	31
PID 2152 wrote to memory of 2704	2152	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	31
PID 2152 wrote to memory of 2704	2152	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	31
PID 2152 wrote to memory of 2172	2152	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	32
PID 2152 wrote to memory of 2172	2152	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	32
PID 2152 wrote to memory of 2172	2152	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	32
PID 2152 wrote to memory of 2172	2152	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b1cd8207580def50e96ad490366db703_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 shell32 Control_RunDLL "syskb.cpl"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2704
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "C:\Users\Admin\AppData\Local\Temp\del61CF.tmp.bat"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

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:\Users\Admin\AppData\Local\Temp\del61CF.tmp.bat

Filesize
512B

MD5
a24a5523640513c289346fb79660a083

SHA1
dc059fe7a7c8416219ef35120820e7911f91f789

SHA256
19577f917413c21ad93a5341fdb9b5883c6faa6ff26c425fba7920eae418dfdf

SHA512
44d116f768ce9a5e1fe7d3902591fad91947f5934cb5109fdad76db03d7d1c94ef351d58c415690d666ce8b5678c19abf50c610d4f7a1c9e49464de45289bb1a

Download Submit
\Windows\Fonts\e326d590.ttf

Filesize
27KB

MD5
859cc585366725e93555b4d1d6287f31

SHA1
15e8da08fe5bf4e01822467495a8472f8a9defb9

SHA256
280c78226548753cee672ee9387fd7367f5907765b2e562e147bb826653d4ba6

SHA512
eb11977977f07abf70e14bd007673f1549a79cc3042fd08d81163298460dafb642529c9f94d513926e80fce0d0e6f77041472fb0417cab3f0b928530dbba4bfb

Download Submit
memory/2152-3-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/2704-7-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/2704-18-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads