9c7750f5663b2c279efbb9a98aaff629e6633d483cf5ebfda26075468e8ca41a

General

Target

6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe
Size

47KB
MD5

6fdffc547c6101b7eccae999b5615546
SHA1

4c7c8dc8bb19acefbf0295b5f3eee24f131510f2
SHA256

9c7750f5663b2c279efbb9a98aaff629e6633d483cf5ebfda26075468e8ca41a
SHA512

1f345aff07d7f213d1e815d304ab04b441c7e1097d7af398fb3b42d3307b02bbff42c0584a1e39770e636bc42c5191266a236cedf4dad0c23debedb47d9a513a
SSDEEP

768:SFEqunXxvXaA9JSsJfCPQSt05hD1tHdajg0x0hcFZ0+NFcqCWYFjs:S6quXF3g05xHdqfx0hcdFvCTFjs

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4016	rundll32.exe

Loads dropped DLL 7 IoCs

pid	Process
3476	rundll32.exe
4060	rundll32.exe
4016	rundll32.exe
4060	rundll32.exe
3476	rundll32.exe
4060	rundll32.exe
3476	rundll32.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1248-0-0x0000000000400000-0x000000000061D000-memory.dmp	upx
behavioral2/memory/1248-7-0x0000000000400000-0x000000000061D000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\whhfd008.ocx	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\whh37008.ocx	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe
File opened for modification	C:\Program Files\Common Files\whh37008.ocx	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe
File created	C:\Program Files\Common Files\0E57975Ece.dll	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe
File opened for modification	C:\Program Files\Common Files\0E57975Ece.dll	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe

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	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4016	rundll32.exe
4016	rundll32.exe
4016	rundll32.exe
4016	rundll32.exe
4016	rundll32.exe
4016	rundll32.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
3476	rundll32.exe
652	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	3476	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 4060	1248	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe	86
PID 1248 wrote to memory of 4060	1248	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe	86
PID 1248 wrote to memory of 4060	1248	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe	86
PID 1248 wrote to memory of 3476	1248	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe	87
PID 1248 wrote to memory of 3476	1248	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe	87
PID 1248 wrote to memory of 3476	1248	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe	87
PID 1248 wrote to memory of 4016	1248	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe	88
PID 1248 wrote to memory of 4016	1248	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe	88
PID 1248 wrote to memory of 4016	1248	6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Windows\system32\whhfd008.ocx" pfjieaoidjglkajd
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Program Files\Common Files\0E57975Ece.dll" m3
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3476
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Program Files\Common Files\whh37008.ocx" pfjaoidjglkajd C:\Users\Admin\AppData\Local\Temp\6fdffc547c6101b7eccae999b5615546_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files\Common Files\0E57975Ece.dll

Filesize
10KB

MD5
f1f49fb85ab029ad86c02ebecb892b12

SHA1
664a602f8e843218c1158571714cd0adee1da939

SHA256
f8f3abcf8d43377b49d1edce23a667c9efd9cde86e9afee228e8c3b093013f13

SHA512
600810f5a23067afb483b2fb5cd980c817d1b79da7fd7c5183a2d76f3546c514256f5536791abd4ed4b949518c63ab7c55df3e9b9109df2681fd3df10dbd2673

Download Submit
C:\Program Files\Common Files\whh37008.ocx

Filesize
56KB

MD5
9f43e7ce987e2f5a07b610ba4606efb2

SHA1
1da81d572bfb3aeb88299483e7411db6fd0c836c

SHA256
bb3e96e34a64f0c888fe568c334dc3dd649de48fd9f91d1a8f6712188044a71d

SHA512
765eb4733fbfe6a9b03e3cf92bbc441d61e244904185ac7d8abc94a6e1d4f5122783e74a3790e929990e2123df961364d8737c3d2d54a1a4b91a145b21b00074

Download Submit
C:\Windows\SysWOW64\whhfd008.ocx

Filesize
14KB

MD5
731659d09654891912ac223e20cd10ab

SHA1
13cee04adc7b09ef1c0c6b9abc02d0c7bc02a071

SHA256
672639ce00081bdd6b6ee69e1bc816d0b353ed9713b5a21bac6009907daf3d3b

SHA512
e2b63a180ff6a9ef523f21a9afe9f71f612f617fbab5b791f763c8bccab14d8cb1986729fadba4bc5f29fe9813766bcb88168018f8c6571ec72efc69639f1116

Download Submit
memory/1248-0-0x0000000000400000-0x000000000061D000-memory.dmp

Filesize
2.1MB

Download
memory/1248-7-0x0000000000400000-0x000000000061D000-memory.dmp

Filesize
2.1MB

Download
memory/3476-19-0x0000000002730000-0x0000000002943000-memory.dmp

Filesize
2.1MB

Download
memory/3476-22-0x0000000002730000-0x0000000002943000-memory.dmp

Filesize
2.1MB

Download
memory/3476-20-0x0000000010000000-0x0000000010206000-memory.dmp

Filesize
2.0MB

Download
memory/4016-24-0x0000000010000000-0x0000000010213000-memory.dmp

Filesize
2.1MB

Download
memory/4060-18-0x0000000002C20000-0x0000000002E33000-memory.dmp

Filesize
2.1MB

Download
memory/4060-21-0x0000000010000000-0x0000000010208000-memory.dmp

Filesize
2.0MB

Download
memory/4060-23-0x0000000002C20000-0x0000000002E33000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing