caea5343d0bf79c698938d4f9ad30068e4b0f2541ebaa468b8f8336c84a7869c

General

Target

778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe
Size

458KB
MD5

778c651c4d68f92e4f8a97bd762d0142
SHA1

582efde1d1aef59809b3f15f0efdc95368428c93
SHA256

caea5343d0bf79c698938d4f9ad30068e4b0f2541ebaa468b8f8336c84a7869c
SHA512

8e31c73260b99cb407fdf3ce588f6fa9c87b0b9a93c87e5ca2541cadc0ff1058a97de8d5a52ff42b1a4902493d1a8944ca2442727bafce6f30b4fb17266baf01
SSDEEP

12288:qmuH1B7lSJhEypUOGtPM7sYGLL7LXBjNqV2oxF:qLIz2FV6AL79jC2A

Score

8^/10

discovery evasion persistence trojan

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\fbhtanup = "C:\\Windows\\SysWOW64\\mfc110korq.exe"	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	mfc110korq.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	mfc110korq.exe

Executes dropped EXE 1 IoCs

pid	Process
4040	mfc110korq.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mfc110korq.exe	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\mfc110korq.exe	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mfc110korq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2120	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3596	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe
3596	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe
3596	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe
3596	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3596	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4040	mfc110korq.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3596 wrote to memory of 4040	3596	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe	85
PID 3596 wrote to memory of 4040	3596	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe	85
PID 3596 wrote to memory of 4040	3596	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe	85
PID 3596 wrote to memory of 2300	3596	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe	87
PID 3596 wrote to memory of 2300	3596	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe	87
PID 3596 wrote to memory of 2300	3596	778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe	87
PID 4040 wrote to memory of 2120	4040	mfc110korq.exe	89
PID 4040 wrote to memory of 2120	4040	mfc110korq.exe	89
PID 4040 wrote to memory of 2120	4040	mfc110korq.exe	89

C:\Users\Admin\AppData\Local\Temp\778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3596
- C:\Windows\SysWOW64\mfc110korq.exe
  C:\Windows\SysWOW64\mfc110korq.exe
  2⤵
  - Drops file in Drivers directory
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4040
- - C:\Windows\SysWOW64\ipconfig.exe
    "C:\Windows\system32\ipconfig.exe" /flushdns
    3⤵
    - System Location Discovery: System Language Discovery
    - Gathers network information
    PID:2120
- C:\Windows\SysWOW64\cmd.exe
  /c C:\Users\Admin\AppData\Local\Temp\~unins7078.bat "C:\Users\Admin\AppData\Local\Temp\778c651c4d68f92e4f8a97bd762d0142_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

5

T1082

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\~unins7078.bat

Filesize
49B

MD5
9e0a2f5ab30517809b95a1ff1dd98c53

SHA1
5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

SHA256
97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

SHA512
e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

Download Submit
C:\Users\Adminxplore.exe

Filesize
89B

MD5
2bd83f0dd1740fff26d071dcdd59af56

SHA1
221e9e64a79255053a9e4da65957a7bdd6bc045b

SHA256
70a676e21716581858de2753ea5eec8befe6741ed299216f65a13c3853805c05

SHA512
fe632b63b8b850cc83f0eb2a114de60693ec0dd8b62fe8f0938b42526557889f48357da0ca3bb06bed1ad68562280023a69b54d93cff8b7266bb8ebb63ac903c

Download Submit
C:\Windows\SysWOW64\mfc110korq.exe

Filesize
144KB

MD5
a6daa11ef63930aa654088bbf273c3d9

SHA1
2de12075a54a3f83476bab4fa77fae4bf39d6154

SHA256
62a542aa7b734b10c362d616ab7d4feeee9672b3fe287f4d3164fde31594a2df

SHA512
6384d90e0a12f70707a7fb16cba5a87d5fae8f93a710f7c1c738988b30fdbdbd55eaf98624ed14c368a2c7a5f35bf57c06037f7c8f7f0df3d12a3bfb27ab77f2

Download Submit
memory/3596-0-0x0000000000413000-0x00000000004BF000-memory.dmp

Filesize
688KB

Download
memory/3596-1-0x00000000022C0000-0x0000000002361000-memory.dmp

Filesize
644KB

Download
memory/3596-5-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3596-26-0x0000000000413000-0x00000000004BF000-memory.dmp

Filesize
688KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads