022dd7b8f58a4d6b07ea97164583a024156e47fbe8a9c3ee2d718cb48167ac55

General

Target

0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe
Size

51KB
MD5

0d8aea3bc10e80b5567b5e2a53f59050
SHA1

148fd54a1149c84209704317a19ba0462034b627
SHA256

022dd7b8f58a4d6b07ea97164583a024156e47fbe8a9c3ee2d718cb48167ac55
SHA512

bb2ad5c396b63615f1ad8708b753025b645afcb6b632b39e791c66c1d3b3aaff939942351ff6931060ea89cae8a5eb2e52a5bbee7656b3b2c0c3e6e196230833
SSDEEP

1536:33nReEAOSL+PIb1mCidtG9qi8uPY/EK6zkummb:3asw2tG938NFfum

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\wiucy.sys	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drivers\wiucy.sys	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\jsfqva\ImagePath = "system32\\drivers\\wiucy.sys"	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe

Loads dropped DLL 8 IoCs

pid	Process
2376	rundll32.exe
2376	rundll32.exe
2376	rundll32.exe
2376	rundll32.exe
1844	Rundll32.exe
1844	Rundll32.exe
1844	Rundll32.exe
1844	Rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\owRM.dll	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\owRM.dll	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1064-0-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/1064-16-0x0000000000400000-0x000000000041A000-memory.dmp	upx

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	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.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: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1844	Rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1844	Rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2376	1064	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe	30
PID 1064 wrote to memory of 2376	1064	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe	30
PID 1064 wrote to memory of 2376	1064	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe	30
PID 1064 wrote to memory of 2376	1064	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe	30
PID 1064 wrote to memory of 2376	1064	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe	30
PID 1064 wrote to memory of 2376	1064	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe	30
PID 1064 wrote to memory of 2376	1064	0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe	30
PID 2376 wrote to memory of 1844	2376	rundll32.exe	31
PID 2376 wrote to memory of 1844	2376	rundll32.exe	31
PID 2376 wrote to memory of 1844	2376	rundll32.exe	31
PID 2376 wrote to memory of 1844	2376	rundll32.exe	31
PID 2376 wrote to memory of 1844	2376	rundll32.exe	31
PID 2376 wrote to memory of 1844	2376	rundll32.exe	31
PID 2376 wrote to memory of 1844	2376	rundll32.exe	31

C:\Users\Admin\AppData\Local\Temp\0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0d8aea3bc10e80b5567b5e2a53f59050_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Windows\system32\owRM.dll,DllRegisterServer
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\Rundll32.exe
    C:\Windows\system32\Rundll32.exe C:\Windows\system32\owRM.dll,DllUnregisterServer
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    PID:1844

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\SysWOW64\owRM.dll

Filesize
32KB

MD5
7cc02c51f958dd6d6852b9b7ebf8b59d

SHA1
4495b80f2e7a73cfcade3d6a55e7ee8368915b57

SHA256
defa6313a4298b0531d4917ccc3bc104f660097064433b566c727bd9d7e9e749

SHA512
adad64cf849c5faa44cd99fd4f630bfd535adec029c3b83a7db1b66f3304ad5c9f114b020d4b587ead2c3db0912d15496491ac9cb269e4ea1df6062e56a5006f

Download Submit
memory/1064-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1064-16-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads