738cbb5e4c08c9e0384206c297ebb207dd8a64cce51ffaba62cce84053a92b75

General

Target

884fa6f68ebc37e897c4a7d7bb32a75f_JaffaCakes118.exe
Size

51KB
MD5

884fa6f68ebc37e897c4a7d7bb32a75f
SHA1

011601fcb414846d72e7bcf3973ce0248e7ed35e
SHA256

738cbb5e4c08c9e0384206c297ebb207dd8a64cce51ffaba62cce84053a92b75
SHA512

61b33063b2673f5bd700b9c32aa0c3204002670ebb24b202fec5226650b23741db27e24a073894accb572417eb655d8cf43ca6bbce3b375119b5c7ac0b5a8c18
SSDEEP

1536:E5urmX2eZwS2N6XG9IgTwHZ6ioZWZ3um4:B5yw6XG9fwXoZWt54

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\ewjzj.sys	884fa6f68ebc37e897c4a7d7bb32a75f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drivers\ewjzj.sys	884fa6f68ebc37e897c4a7d7bb32a75f_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\cldairb\ImagePath = "system32\\drivers\\ewjzj.sys"	884fa6f68ebc37e897c4a7d7bb32a75f_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
3344	rundll32.exe
2180	Rundll32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2416-0-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/2416-12-0x0000000000400000-0x0000000000419000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\PAJL.dll	884fa6f68ebc37e897c4a7d7bb32a75f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\PAJL.dll	884fa6f68ebc37e897c4a7d7bb32a75f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\d5v5uA.bat	884fa6f68ebc37e897c4a7d7bb32a75f_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 5 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	884fa6f68ebc37e897c4a7d7bb32a75f_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	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1928	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1928	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
656	Process not Found

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2180	Rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2180	Rundll32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 3344	2416	884fa6f68ebc37e897c4a7d7bb32a75f_JaffaCakes118.exe	84
PID 2416 wrote to memory of 3344	2416	884fa6f68ebc37e897c4a7d7bb32a75f_JaffaCakes118.exe	84
PID 2416 wrote to memory of 3344	2416	884fa6f68ebc37e897c4a7d7bb32a75f_JaffaCakes118.exe	84
PID 3344 wrote to memory of 2180	3344	rundll32.exe	85
PID 3344 wrote to memory of 2180	3344	rundll32.exe	85
PID 3344 wrote to memory of 2180	3344	rundll32.exe	85
PID 2416 wrote to memory of 3292	2416	884fa6f68ebc37e897c4a7d7bb32a75f_JaffaCakes118.exe	86
PID 2416 wrote to memory of 3292	2416	884fa6f68ebc37e897c4a7d7bb32a75f_JaffaCakes118.exe	86
PID 2416 wrote to memory of 3292	2416	884fa6f68ebc37e897c4a7d7bb32a75f_JaffaCakes118.exe	86
PID 3292 wrote to memory of 1928	3292	cmd.exe	88
PID 3292 wrote to memory of 1928	3292	cmd.exe	88
PID 3292 wrote to memory of 1928	3292	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\884fa6f68ebc37e897c4a7d7bb32a75f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\884fa6f68ebc37e897c4a7d7bb32a75f_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:2416
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Windows\system32\PAJL.dll,DllRegisterServer
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3344
- - C:\Windows\SysWOW64\Rundll32.exe
    C:\Windows\system32\Rundll32.exe C:\Windows\system32\PAJL.dll,DllUnregisterServer
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    PID:2180
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\d5v5uA.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3292
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1928

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

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\PAJL.dll

Filesize
32KB

MD5
7179274e6d4a7c756fd958ade00c9a04

SHA1
749ffec6f026b503801c6dbd2380d541b7393217

SHA256
36af8a5a3e032200bfba17b5533b103751d1db0d4b1245fc6392df1db0e70652

SHA512
ab19fa4c2a7135f124e7ffa2c500f19aa8afff39405b6d171879e622dd1a5165f3adf195c556d7a6aec637886c05333f40e1293b9c21eb6e1bfcb685c967bfb7

Download Submit
C:\Windows\SysWOW64\d5v5uA.bat

Filesize
249B

MD5
caa3b942e5f256e0e5d5e391eba60c77

SHA1
494e330f34949425c05677b7c3f40eba00fd67b1

SHA256
1f478625c0d307ace713724f213febce675522e28f31674f2668913dc72ada9c

SHA512
a0a34e2021e4ce7858e0941dde7d21f465aceb6b1cf9151242f35e70ce12ef1a4ba6438a4caaf78c8b662822c0e41721930d52a8994093bcb890a65cf6a46051

Download Submit
memory/2416-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2416-12-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads