84fe55896f3854f33b088f2351616ad92699735fa5ca2f22a58cc071e88c7c62

General

Target

dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Size

253KB
MD5

dbe20b0025b73769811b5416ecf7177f
SHA1

81d57a04d6833a9592f1966f2c6f773d2dd863e0
SHA256

84fe55896f3854f33b088f2351616ad92699735fa5ca2f22a58cc071e88c7c62
SHA512

14847f31e2464db0db14a2832898bffd5d7e6a0ab8f5061fe0433ac0234fe6924b434a3dabe0d479c5700723255bcd0f8c3bfde55f74240bda969d8250a0ae63
SSDEEP

6144:6jYD4PawAJ1U4CDU3nh9wv1U5K0pxSOODQZM/2zlmUJm:6Za/y4h9wt0K0THO0Z82hLY

Score

6^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon 2 TTPs 8 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\Notify\wlogon\Logon = "EvWinLogon"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\wlogon\Startup = "EvWinLogon"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\wlogon\StartShell = "EvWinLogon"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\wlogon\DLLName = "wlogon.dll"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\wlogon	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\wlogon\Asynchronous = "1"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\wlogon\Impersonate = "1"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\crypto.dll	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wlogon.dll	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\net.cpl	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\lcss.exe	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe

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	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe

Modifies registry class 19 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{310DE29C-0AD3-4A43-A2DB-221F1160CACB}\InprocServer32	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{310DE29C-0AD3-4A43-A2DB-221F1160CACB}\ProgID	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{310DE29C-0AD3-4A43-A2DB-221F1160CACB}\VersionIndependentProgID	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinCryptography.Encrypt\CLSID	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{310DE29C-0AD3-4A43-A2DB-221F1160CACB}\ = "Windows Cryptography"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinCryptography.Encrypt\ = "Windows Cryptography"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinCryptography.Encrypt\CLSID\ = "{310DE29C-0AD3-4A43-A2DB-221F1160CACB}"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinCryptography.Encrypt.1\CLSID\ = "{310DE29C-0AD3-4A43-A2DB-221F1160CACB}"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{310DE29C-0AD3-4A43-A2DB-221F1160CACB}	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinCryptography.Encrypt\CurVer	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinCryptography.Encrypt.1	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{310DE29C-0AD3-4A43-A2DB-221F1160CACB}\InprocServer32\ = "crypto.dll"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{310DE29C-0AD3-4A43-A2DB-221F1160CACB}\VersionIndependentProgID\ = "WinCryptography.Encrypt"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{310DE29C-0AD3-4A43-A2DB-221F1160CACB}\ProgID\ = "WinCryptography.Encrypt.1"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinCryptography.Encrypt\CurVer\ = "WinCryptography.Encrypt.1"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinCryptography.Encrypt	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinCryptography.Encrypt.1\CLSID	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{310DE29C-0AD3-4A43-A2DB-221F1160CACB}\InprocServer32\ThreadingModel = "Both"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinCryptography.Encrypt.1\ = "Windows Cryptography"	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4672	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
Token: SeDebugPrivilege	4672	dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dbe20b0025b73769811b5416ecf7177f_JaffaCakes118.exe"
1⤵
- Modifies WinLogon
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4672

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:\Windows\SysWOW64\lcss.exe

Filesize
128KB

MD5
526b29c31346e54d5c7f4ee86a8dfdb9

SHA1
a01e4c8ac7d31e93cdb0dd9d39bd7f9be5aed3ec

SHA256
c0e70e7180fbb226cf3cb0256cd8d5c21b86da0cb5ee3fa320d9f746d5546d0c

SHA512
28e838d8fe13eeed0739a286317af73878a913c39525ebdf9e68976d31e670ee501866f183c536972403626cbaa587abf71642030ece1dcbbef45c57d249ffa1

Download Submit
C:\Windows\SysWOW64\net.cpl

Filesize
180KB

MD5
165fa5af7e670cd2d20c01672f5e94c0

SHA1
2015c7ab52fa9d453851308d5aa6e29661a2ddef

SHA256
81fb205a48bd05211ae60c3d6a1c698cb06b7b92ccd9e91294e5e6ec7da31929

SHA512
22bc5872446e06fc9c707a12051254603d9efe03454ba715423e940e6cb6a6bb7a914b1352d450918cd92ecb3f85988f0b9940573d64e136437599b7e7653899

Download Submit
memory/4672-24-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads