c079649c676dd508a0c545b310f0eb3db664dcb1ef6c50432b61d7c8a25b5481

General

Target

56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
Size

1.7MB
MD5

56a42f2dc98e9415f1bd8e7bb4785371
SHA1

f324b39264ebe1cbccca03877ab9488037b4015c
SHA256

c079649c676dd508a0c545b310f0eb3db664dcb1ef6c50432b61d7c8a25b5481
SHA512

82af0b1e97800c0691f5d2f04f4cafa84250a79322c944ab1f8d9ecd5227c2f2c89b6f50b62f7212288f39c8fe7588eab5343defda494233fa19230db55ad850
SSDEEP

24576:9aBiCbsDiPCTJtdzJoQxR4hmlkZKR76hsC+ga3aXBM2ZfyWhuJ5wZisfHzmm7p8X:FxrToQxnP6mgDxM2JzhuJ5wZiyTm88X

Score

8^/10

discovery evasion persistence themida

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 12 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D0F08A76-FE00-F64B-D05F-D73EA1206010}\ = "shar"	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D0F08A76-FE00-F64B-D05F-D73EA1206010}\ComponentID = "shar"	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D0F08A76-FE00-F64B-D05F-D73EA1206010}\Version = "6,5,5,3"	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D0F08A76-FE00-F64B-D05F-D73EA1206010}	winav.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D0F08A76-FE00-F64B-D05F-D73EA1206010}\ = "shar"	winav.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D0F08A76-FE00-F64B-D05F-D73EA1206010}\Locale = "DE"	winav.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D0F08A76-FE00-F64B-D05F-D73EA1206010}	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D0F08A76-FE00-F64B-D05F-D73EA1206010}\StubPath = "C:\\Windows\\system32\\winav.exe"	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D0F08A76-FE00-F64B-D05F-D73EA1206010}\Locale = "DE"	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D0F08A76-FE00-F64B-D05F-D73EA1206010}\StubPath = "C:\\Windows\\system32\\winav.exe"	winav.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D0F08A76-FE00-F64B-D05F-D73EA1206010}\ComponentID = "shar"	winav.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D0F08A76-FE00-F64B-D05F-D73EA1206010}\Version = "6,5,5,3"	winav.exe

Executes dropped EXE 1 IoCs

pid	Process
2872	winav.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	winav.exe

Loads dropped DLL 4 IoCs

pid	Process
1508	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
2872	winav.exe
2872	winav.exe
2872	winav.exe

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1508-0-0x0000000000400000-0x00000000005A7000-memory.dmp	themida
behavioral1/memory/1508-9-0x0000000000400000-0x00000000005A7000-memory.dmp	themida
behavioral1/files/0x000b00000001225f-14.dat	themida
behavioral1/memory/2872-23-0x0000000000400000-0x00000000005A7000-memory.dmp	themida
behavioral1/memory/2872-25-0x0000000000400000-0x00000000005A7000-memory.dmp	themida
behavioral1/memory/1508-18-0x0000000004F70000-0x0000000005117000-memory.dmp	themida
behavioral1/memory/2872-30-0x0000000000400000-0x00000000005A7000-memory.dmp	themida
behavioral1/memory/2872-32-0x0000000000400000-0x00000000005A7000-memory.dmp	themida
behavioral1/memory/1508-36-0x0000000000400000-0x00000000005A7000-memory.dmp	themida
behavioral1/memory/2872-34-0x0000000000400000-0x00000000005A7000-memory.dmp	themida

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Windows\\system32\\winav.exe"	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Windows\\system32\\winav.exe"	winav.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winav.exe	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\win.com	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\winav.exe	winav.exe
File created	C:\Windows\SysWOW64\winav.exe	winav.exe
File opened for modification	C:\Windows\SysWOW64\winav.exe	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winav.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1508	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
2872	winav.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	2872	winav.exe
Token: SeBackupPrivilege	2872	winav.exe
Token: SeRestorePrivilege	1508	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
Token: SeBackupPrivilege	1508	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1508	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
2872	winav.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2872	1508	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2872	1508	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2872	1508	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2872	1508	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2872	1508	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2872	1508	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2872	1508	56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\56a42f2dc98e9415f1bd8e7bb4785371_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Identifies Wine through registry keys
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Windows\SysWOW64\winav.exe
  C:\Windows\system32\winav.exe 1
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

1

T1012

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\winav.exe

Filesize
1.7MB

MD5
56a42f2dc98e9415f1bd8e7bb4785371

SHA1
f324b39264ebe1cbccca03877ab9488037b4015c

SHA256
c079649c676dd508a0c545b310f0eb3db664dcb1ef6c50432b61d7c8a25b5481

SHA512
82af0b1e97800c0691f5d2f04f4cafa84250a79322c944ab1f8d9ecd5227c2f2c89b6f50b62f7212288f39c8fe7588eab5343defda494233fa19230db55ad850

Download Submit
memory/1508-31-0x0000000000D10000-0x0000000000EB7000-memory.dmp

Filesize
1.7MB

Download
memory/1508-1-0x0000000000D10000-0x0000000000EB7000-memory.dmp

Filesize
1.7MB

Download
memory/1508-2-0x0000000000D10000-0x0000000000EB7000-memory.dmp

Filesize
1.7MB

Download
memory/1508-3-0x0000000000790000-0x000000000087D000-memory.dmp

Filesize
948KB

Download
memory/1508-5-0x0000000000401000-0x000000000043D000-memory.dmp

Filesize
240KB

Download
memory/1508-9-0x0000000000400000-0x00000000005A7000-memory.dmp

Filesize
1.7MB

Download
memory/1508-36-0x0000000000400000-0x00000000005A7000-memory.dmp

Filesize
1.7MB

Download
memory/1508-0-0x0000000000400000-0x00000000005A7000-memory.dmp

Filesize
1.7MB

Download
memory/1508-37-0x0000000000401000-0x000000000043D000-memory.dmp

Filesize
240KB

Download
memory/1508-18-0x0000000004F70000-0x0000000005117000-memory.dmp

Filesize
1.7MB

Download
memory/2872-25-0x0000000000400000-0x00000000005A7000-memory.dmp

Filesize
1.7MB

Download
memory/2872-32-0x0000000000400000-0x00000000005A7000-memory.dmp

Filesize
1.7MB

Download
memory/2872-30-0x0000000000400000-0x00000000005A7000-memory.dmp

Filesize
1.7MB

Download
memory/2872-24-0x0000000000BA0000-0x0000000000D47000-memory.dmp

Filesize
1.7MB

Download
memory/2872-23-0x0000000000400000-0x00000000005A7000-memory.dmp

Filesize
1.7MB

Download
memory/2872-34-0x0000000000400000-0x00000000005A7000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads