597b3c9bee5273ef3dac1579e9cf3e866409f4c8d02b50509467997e17a611ed

General

Target

fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe
Size

14KB
MD5

fca957da7cc40d97026d665cfe4b386c
SHA1

89583bab96a13c21b909d8d5c4fe5fcef8254e01
SHA256

597b3c9bee5273ef3dac1579e9cf3e866409f4c8d02b50509467997e17a611ed
SHA512

520159f84c2e26f6952b07493bd7ebedfd5321a40f9a00a605b050f9c4cafbaf80e94ff41cfa9c33dd1a846e3c4480d7644e672f6124f45e7a56c78b3b0b77a6
SSDEEP

384:yIdbB9J1I8hwt06WbORqhXWX1gFBvq6/FhB1ITB:yON1RhbJORqhXWXmFBHNi

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 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\ShellServiceObjectDelayLoad\slbiopfs2.dll = "{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}"	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
1632	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\slbiopfs2.tmp	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\slbiopfs2.tmp	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\slbiopfs2.nls	fca957da7cc40d97026d665cfe4b386c_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	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}\InProcServer32	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}\InProcServer32\ = "C:\\Windows\\SysWow64\\slbiopfs2.dll"	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}\InProcServer32\ThreadingModel = "Apartment"	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1632	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe
1632	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1632	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe
1632	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe
1632	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 4796	1632	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe	90
PID 1632 wrote to memory of 4796	1632	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe	90
PID 1632 wrote to memory of 4796	1632	fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fca957da7cc40d97026d665cfe4b386c_JaffaCakes118.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\E975.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4796

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 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\E975.tmp.bat

Filesize
207B

MD5
aa7b6b22b1cc68ec55261165c652de16

SHA1
0573a1550e61c0f76ab2c6598261064f4d8a9d0a

SHA256
98b0466e639d83f32b1a645d4279a7fd78d3db091e0b262b2369c512243b298f

SHA512
307868800faed1dc2707be6cb74b5f9f65cb5558f4de2cc586dd6afeab60b64a73b88a4f28d544ef38516a3ac224f77f66692c6bc6697d594b435157d991a266

Download Submit
C:\Windows\SysWOW64\slbiopfs2.nls

Filesize
428B

MD5
faa691df00173bd14f88dc62a853b651

SHA1
c277fc2a27481c4439d8a2dd5cc041744d2a2ae5

SHA256
a06fbedb64c29d35c57149188a6db6e8e209d8829511562a1958bff748ca9b4f

SHA512
abe0b5fcf8564ba1b021823de7e6170032ffcd6d2ed3235ee099b8e343ecd571c81783bcdab32bbd28c1023edae5f6adbcaf25c3cb0e2f3d9becd28c538f0fde

Download Submit
C:\Windows\SysWOW64\slbiopfs2.tmp

Filesize
2.5MB

MD5
e76b377078093159975c0239a42f16ca

SHA1
fbedc70b5a43f46dab10deecb46895aa839adc41

SHA256
a2b14f24d3be9314d359bcbcca1aacb385e74e627726d25e374e45ad8bc5f395

SHA512
ba4a1a5a1964dbd3cf0f5e765c33e51483d8a3a45c6a141ea091793aa2736036b960b71178610bb98265c99e95590899dd9eebec2bdad9f82415a565f92fcabb

Download Submit
memory/1632-17-0x0000000020000000-0x0000000020008000-memory.dmp

Filesize
32KB

Download
memory/1632-22-0x0000000020000000-0x0000000020008000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads