7ee2eb17b15569b926f6040aa060be3adaddf928bae3c95a1c53ab53aad12a68

General

Target

09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe
Size

931KB
MD5

09081d5172239b8cf543ec1dba6e27db
SHA1

ea1875ea4c68010760849e76c438113d51f45433
SHA256

7ee2eb17b15569b926f6040aa060be3adaddf928bae3c95a1c53ab53aad12a68
SHA512

8339db0c424d1dc85469317034207a604d079a9874b018620a2e7adfcb88364d416eebd3e84ca5202b6e4b8c0574d020e121c3d98f11ea14f9239f1f62fe4923
SSDEEP

24576:YhzndzaI7+3XE97i0CFZUnJSLQ4WRvE/DvgipFQ3:YHaU20M+JwQ4WKW

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2808	SKELETON..EXE
2680	SKELETON.EXE

VMProtect packed file 5 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/files/0x000800000001658c-9.dat	vmprotect
behavioral1/memory/2808-19-0x0000000013150000-0x00000000131EA000-memory.dmp	vmprotect
behavioral1/memory/2656-12-0x0000000013150000-0x00000000131EA000-memory.dmp	vmprotect
behavioral1/memory/2808-25-0x0000000013150000-0x00000000131EA000-memory.dmp	vmprotect
behavioral1/memory/2808-30-0x0000000013150000-0x00000000131EA000-memory.dmp	vmprotect

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Name_Me_Please = "C:\\Windows\\SKELETON..EXE"	SKELETON..EXE

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2656	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe
2808	SKELETON..EXE

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\CSKELETON..EXE	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe
File created	C:\Windows\SKELETON..EXE	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe
File created	C:\Windows\CSKELETON.EXE	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe
File created	C:\Windows\SKELETON.EXE	09081d5172239b8cf543ec1dba6e27db_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 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	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SKELETON..EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SKELETON.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2680	SKELETON.EXE

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2680	SKELETON.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2808	2656	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2808	2656	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2808	2656	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2808	2656	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2680	2656	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe	31
PID 2656 wrote to memory of 2680	2656	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe	31
PID 2656 wrote to memory of 2680	2656	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe	31
PID 2656 wrote to memory of 2680	2656	09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe	31
PID 2808 wrote to memory of 2716	2808	SKELETON..EXE	32
PID 2808 wrote to memory of 2716	2808	SKELETON..EXE	32
PID 2808 wrote to memory of 2716	2808	SKELETON..EXE	32
PID 2808 wrote to memory of 2716	2808	SKELETON..EXE	32
PID 2808 wrote to memory of 2716	2808	SKELETON..EXE	32

C:\Users\Admin\AppData\Local\Temp\09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\09081d5172239b8cf543ec1dba6e27db_JaffaCakes118.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\SKELETON..EXE
  "C:\Windows\SKELETON..EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\windows\notepad.exe
    C:\windows\notepad.exe
    3⤵
    PID:2716
- C:\Windows\SKELETON.EXE
  "C:\Windows\SKELETON.EXE"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

System Information Discovery

1

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:\Windows\SKELETON..EXE

Filesize
321KB

MD5
32b679de4b536e2dcdf726fe0431e8cc

SHA1
4434cdc657d4369ae34fd1d8596b3cf643743aac

SHA256
0ef8409b5335136fad342b69eac1632b74d1f77d5b405509b629932a0c670612

SHA512
684e06f906fca33c07d70478ba400b133c203558775cbb235abc575d7e937c91f30b3b703f9da96fc322e1f2b275109ac35b9228d22557068d95d6732fec05f1

Download Submit
C:\Windows\SKELETON.EXE

Filesize
63KB

MD5
a5cde4509286585c16e8def01750f804

SHA1
f4009335f1197032b970e28e6ecd15de65f02343

SHA256
fbfc0a549aa4e5197228a78a2d1c7f8cc68b04203389d7afb3fdc87c3d137751

SHA512
805b09362d5d65b1151cdcb68e8b54fdf99d38c26c22e08c83bca0dfe0bf66a59638414f8aa62b4cdcd939f8ecb97f093247642b89f054e4cc15e82075241049

Download Submit
memory/2656-1-0x0000000000400000-0x00000000005BE000-memory.dmp

Filesize
1.7MB

Download
memory/2656-0-0x0000000000400000-0x00000000005BE000-memory.dmp

Filesize
1.7MB

Download
memory/2656-16-0x0000000013150000-0x00000000131EA000-memory.dmp

Filesize
616KB

Download
memory/2656-12-0x0000000013150000-0x00000000131EA000-memory.dmp

Filesize
616KB

Download
memory/2656-23-0x0000000000400000-0x00000000005BE000-memory.dmp

Filesize
1.7MB

Download
memory/2680-31-0x0000000032170000-0x0000000032199000-memory.dmp

Filesize
164KB

Download
memory/2680-26-0x0000000032170000-0x0000000032199000-memory.dmp

Filesize
164KB

Download
memory/2680-27-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/2716-28-0x0000000013150000-0x00000000131EA000-memory.dmp

Filesize
616KB

Download
memory/2808-19-0x0000000013150000-0x00000000131EA000-memory.dmp

Filesize
616KB

Download
memory/2808-30-0x0000000013150000-0x00000000131EA000-memory.dmp

Filesize
616KB

Download
memory/2808-25-0x0000000013150000-0x00000000131EA000-memory.dmp

Filesize
616KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads