e337849f207f3294d7a4f1141f81aadca78d26a25944759fa73bc378464b6a67

General

Target

6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe
Size

924KB
MD5

6db54668b8e6b8bae2796c3d10d5fcb1
SHA1

b3dd071fe15c2ce3a7706d21309eeb98c21fef55
SHA256

e337849f207f3294d7a4f1141f81aadca78d26a25944759fa73bc378464b6a67
SHA512

bdb2b2320b713663acefa11e8ef225a7312d5735470d94abd8a3361c4eb226ec7c1619f050261fcceb59b8c04b16aac0880f5ba7d79420561ea7902aa7966dbe
SSDEEP

24576:jtTZybAX4wvsuSrQKriOJaKZxNQOyGI0fCy6sX:pTH4J9OOUKZxeRGICJ6sX

Score

7^/10

bootkit discovery persistence vmprotect

Malware Config

Signatures

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

Processes:

6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

XHD.exeserver.exe

pid process

4336 XHD.exe
1660 server.exe

pid	process
4336	XHD.exe
1660	server.exe

VMProtect packed file 4 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\Temp\XHD.exe	vmprotect
behavioral2/memory/4336-19-0x0000000000400000-0x00000000005EC000-memory.dmp	vmprotect
behavioral2/memory/4336-12-0x0000000000400000-0x00000000005EC000-memory.dmp	vmprotect
behavioral2/memory/4336-22-0x0000000000400000-0x00000000005EC000-memory.dmp	vmprotect

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

XHD.exe

description ioc process

File opened for modification \??\PhysicalDrive0 XHD.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1372 1660 WerFault.exe server.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	XHD.exe

pid	pid_target	process	target process
1372	1660	WerFault.exe	server.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

Processes:

6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exeXHD.exeserver.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	XHD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

XHD.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	XHD.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	XHD.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	XHD.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\IESettingSync	XHD.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe

pid process

4488 6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe
4488 6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

XHD.exe

pid process

4336 XHD.exe
4336 XHD.exe
4336 XHD.exe
4336 XHD.exe

pid	process
4488	6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe
4488	6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe

pid	process
4336	XHD.exe
4336	XHD.exe
4336	XHD.exe
4336	XHD.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe

description	pid	process	target process
PID 4488 wrote to memory of 4336	4488	6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe	XHD.exe
PID 4488 wrote to memory of 4336	4488	6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe	XHD.exe
PID 4488 wrote to memory of 4336	4488	6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe	XHD.exe
PID 4488 wrote to memory of 1660	4488	6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe	server.exe
PID 4488 wrote to memory of 1660	4488	6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe	server.exe
PID 4488 wrote to memory of 1660	4488	6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe	server.exe

C:\Users\Admin\AppData\Local\Temp\6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6db54668b8e6b8bae2796c3d10d5fcb1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4488

C:\Users\Admin\AppData\Local\Temp\Temp\XHD.exe
"C:\Users\Admin\AppData\Local\Temp\Temp\XHD.exe"
2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4336

C:\Users\Admin\AppData\Local\Temp\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\Temp\server.exe"
2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 228
3⤵
- Program crash
PID:1372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1660 -ip 1660
1⤵
PID:4460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\Temp\XHD.exe

Filesize
832KB

MD5
c740c33896ddee93e02a6832d77a3902

SHA1
7bd86871ecb323e5b091b66aee689440871cb60f

SHA256
ffea64971272950d7f378045942cfba1e30bbb27e1e3d0fa92e2267b49716ac0

SHA512
8eacf9706b09a563f72408390876648bd1616f1a511878b05329347915619c6d2fdb7fad1c9ca2cf4cf643eb2990f99679f27c30d4779c7be58c2f2855c27574

Download Submit
C:\Users\Admin\AppData\Local\Temp\Temp\server.exe

Filesize
20KB

MD5
01daa39433f4f687cd84c5c7c3142cad

SHA1
5cb48ad01f7e0cd9c0d35611cff6c2931013c07e

SHA256
957cb6fdd8eb9c6065aad0aa536a3251e065ebab7fd6c43e19f2df638a73fc4c

SHA512
d54daba1922bb27851d3f003f6690f5eabb14b21efd817d822ddf561023bd4ccd775dc25d0fab56ea5b6ad130fe8d8e5600bef44821445f1585fa6a417d58a7e

Download Submit
memory/1660-17-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4336-18-0x0000000000523000-0x0000000000525000-memory.dmp

Filesize
8KB

Download
memory/4336-19-0x0000000000400000-0x00000000005EC000-memory.dmp

Filesize
1.9MB

Download
memory/4336-12-0x0000000000400000-0x00000000005EC000-memory.dmp

Filesize
1.9MB

Download
memory/4336-22-0x0000000000400000-0x00000000005EC000-memory.dmp

Filesize
1.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads