878d83d2bd0d92dcaaf8becb3c8147173014edc5fe78198c2e62afd5f155fa48

General

Target

fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
Size

240KB
MD5

fe7ca97ea2574a68f61db8055b0603e0
SHA1

dd06423c67e681d3307c94184585647f2ec68756
SHA256

878d83d2bd0d92dcaaf8becb3c8147173014edc5fe78198c2e62afd5f155fa48
SHA512

6c8544de3cee37736a30d94e7497abf2571be7965fca2c1572f7bd0e23aeb7489951ce52ea8d261bd3c66048268cd6ff26541ccbe94945e32dac218d9f7b5bbe
SSDEEP

6144:hDCvbKgs/hLVr8awjKsEz4AhO3Jlc5VS7cq3Z:Qvbv6LVQez4AU5lcrSY

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\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system\\winlogon.exe"	regedit.exe

Executes dropped EXE 1 IoCs

pid	Process
2660	winlogon.exe

Loads dropped DLL 2 IoCs

pid	Process
2236	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
2236	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\system\config.inf	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
File created	C:\Windows\system\winlogon.exe	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
File opened for modification	C:\Windows\system\winlogon.exe	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
File created	C:\Windows\system\install.reg	fe7ca97ea2574a68f61db8055b0603e0_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	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2780	regedit.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2236	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
2236	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
2660	winlogon.exe
2660	winlogon.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2780	2236	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	30
PID 2236 wrote to memory of 2780	2236	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	30
PID 2236 wrote to memory of 2780	2236	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	30
PID 2236 wrote to memory of 2780	2236	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	30
PID 2236 wrote to memory of 2660	2236	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	31
PID 2236 wrote to memory of 2660	2236	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	31
PID 2236 wrote to memory of 2660	2236	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	31
PID 2236 wrote to memory of 2660	2236	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\regedit.exe
  regedit /s C:\Windows\system\install.reg
  2⤵
  - Modifies WinLogon for persistence
  - System Location Discovery: System Language Discovery
  - Runs .reg file with regedit
  PID:2780
- C:\Windows\system\winlogon.exe
  C:\Windows\system\winlogon.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2660

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\Cab32F4.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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C:\Users\Admin\AppData\Local\Temp\Tar3307.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Windows\system\install.reg

Filesize
170B

MD5
f33a9f7708f893368fb6725b7ffd91b9

SHA1
b260a16969c02194e0c8b74f3f66c1d9be4cee38

SHA256
88409e15c9b8ce60d656172f05eb9e002e4389927f0cbfa1339d2581fc5314bc

SHA512
b85e229ef435dfd9c4e5442c506f1ab063595002a16c953510555bb3e12d24efc5fb43c9fb77898c1512a1521675ba20391a3649c972db7e42bac78c533ae792

Download Submit
\Windows\system\winlogon.exe

Filesize
240KB

MD5
fe7ca97ea2574a68f61db8055b0603e0

SHA1
dd06423c67e681d3307c94184585647f2ec68756

SHA256
878d83d2bd0d92dcaaf8becb3c8147173014edc5fe78198c2e62afd5f155fa48

SHA512
6c8544de3cee37736a30d94e7497abf2571be7965fca2c1572f7bd0e23aeb7489951ce52ea8d261bd3c66048268cd6ff26541ccbe94945e32dac218d9f7b5bbe

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads