ec1d168c1e24d5a5c1884c06842aa521a5d5d3d09abc77f9523d4e16dd9c5b57

General

Target

aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
Size

2.6MB
MD5

aec20eb6ee835c12214379b779745fe1
SHA1

5922c4043858675bc625f399b941de884279f87e
SHA256

ec1d168c1e24d5a5c1884c06842aa521a5d5d3d09abc77f9523d4e16dd9c5b57
SHA512

1154917904ed84d8fa3cb5e77d4a633520ce9383d05859fc46b644740e4eaa99ebf763ad856a8a972c9771d726fe871fe7681a68c1e20e729a9cc81c13129ccc
SSDEEP

24576:R8xTAL596aUsyoB0v07HkKhB0uWzxWAsoPg5t8LnVfk4R8MTBBYBoiSUAh5lLhiz:SxTI+s73SrzH8MTBKSUBSVbXEL

Score

10^/10

aspackv2 discovery evasion persistence themida

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 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 C:\\Windows\\system32\\fservice.exe"	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	services.exe

Adds policy 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\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	services.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	services.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x0009000000016bf7-35.dat	aspack_v212_v242

Executes dropped EXE 2 IoCs

pid	Process
2684	fservice.exe
2904	services.exe

Identifies Wine through registry keys 2 TTPs 3 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	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	fservice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	services.exe

Loads dropped DLL 6 IoCs

pid	Process
1064	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
1064	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
2904	services.exe
2904	services.exe
2684	fservice.exe
1064	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe

Themida packer 28 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1064-0-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/files/0x0008000000016c7c-5.dat	themida
behavioral1/memory/1064-6-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2684-16-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2684-17-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2684-18-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-29-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/1064-32-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-33-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2684-45-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/1064-47-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-50-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-51-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-52-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-53-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-55-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-57-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-59-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-61-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-63-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-65-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-67-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-69-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-71-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-73-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-75-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-77-0x0000000000400000-0x000000000069B000-memory.dmp	themida
behavioral1/memory/2904-79-0x0000000000400000-0x000000000069B000-memory.dmp	themida

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	services.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\fservice.exe	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File created	C:\Windows\SysWOW64\winkey.dll	services.exe
File created	C:\Windows\SysWOW64\reginv.dll	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	services.exe

Drops file in Windows directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\sservice.exe	services.exe
File created	C:\Windows\system\sservice.exe	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
File opened for modification	C:\Windows\system\sservice.exe	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
File created	C:\Windows\services.exe	fservice.exe
File opened for modification	C:\Windows\services.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	fservice.exe
File opened for modification	C:\Windows\system\sservice.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	services.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	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fservice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2904	services.exe
2904	services.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2684	1064	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe	30
PID 1064 wrote to memory of 2684	1064	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe	30
PID 1064 wrote to memory of 2684	1064	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe	30
PID 1064 wrote to memory of 2684	1064	aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe	30
PID 2684 wrote to memory of 2904	2684	fservice.exe	31
PID 2684 wrote to memory of 2904	2684	fservice.exe	31
PID 2684 wrote to memory of 2904	2684	fservice.exe	31
PID 2684 wrote to memory of 2904	2684	fservice.exe	31

C:\Users\Admin\AppData\Local\Temp\aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Identifies Wine through registry keys
- Loads dropped DLL
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\fservice.exe
  C:\Windows\system32\fservice.exe
  2⤵
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\services.exe
    C:\Windows\services.exe -XP
    3⤵
    - Modifies WinLogon for persistence
    - Adds policy Run key to start application
    - Boot or Logon Autostart Execution: Active Setup
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Loads dropped DLL
    - Modifies WinLogon
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

2

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

2

T1547.004

Defense Evasion

Modify Registry

4

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

Replay Monitor

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Downloads

C:\Windows\system\sservice.exe

Filesize
2.6MB

MD5
aec20eb6ee835c12214379b779745fe1

SHA1
5922c4043858675bc625f399b941de884279f87e

SHA256
ec1d168c1e24d5a5c1884c06842aa521a5d5d3d09abc77f9523d4e16dd9c5b57

SHA512
1154917904ed84d8fa3cb5e77d4a633520ce9383d05859fc46b644740e4eaa99ebf763ad856a8a972c9771d726fe871fe7681a68c1e20e729a9cc81c13129ccc

Download Submit
\Windows\SysWOW64\reginv.dll

Filesize
36KB

MD5
562e0d01d6571fa2251a1e9f54c6cc69

SHA1
83677ad3bc630aa6327253c7b3deffbd4a8ce905

SHA256
c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

SHA512
166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

Download Submit
\Windows\SysWOW64\winkey.dll

Filesize
13KB

MD5
b4c72da9fd1a0dcb0698b7da97daa0cd

SHA1
b25a79e8ea4c723c58caab83aed6ea48de7ed759

SHA256
45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f

SHA512
f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066

Download Submit
memory/1064-32-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1064-13-0x0000000005110000-0x00000000053AB000-memory.dmp

Filesize
2.6MB

Download
memory/1064-6-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1064-1-0x0000000000401000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/1064-15-0x0000000005110000-0x00000000053AB000-memory.dmp

Filesize
2.6MB

Download
memory/1064-48-0x0000000000401000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/1064-47-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1064-0-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1064-34-0x0000000000401000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/2684-45-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2684-18-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2684-16-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2684-17-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2684-30-0x00000000052B0000-0x000000000554B000-memory.dmp

Filesize
2.6MB

Download
memory/2684-28-0x00000000052B0000-0x000000000554B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-53-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-61-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-37-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2904-50-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-51-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-52-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-54-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2904-33-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-55-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-57-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-59-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-29-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-63-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-65-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-67-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-69-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-71-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-73-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-75-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-77-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2904-79-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads