f6b48c23a2bca6b7d92ba78fd273d8b21ebf7359fa3080f2824e8f2e8e7a5d0b

General

Target

a690ee3cccc1052ada54669cf467fb5e_JaffaCakes118.exe
Size

439KB
MD5

a690ee3cccc1052ada54669cf467fb5e
SHA1

d9ad4a43ab549e9246bd762c3936bb10f842316f
SHA256

f6b48c23a2bca6b7d92ba78fd273d8b21ebf7359fa3080f2824e8f2e8e7a5d0b
SHA512

c6e161abf465b19cb420ae392d8314e1c6baa6ffdc2e8319af2115871b464f0cc0b5be0f8408994e207c5d3dda7e2e92568b45ed4c34b7d8a928e025a7ebac79
SSDEEP

12288:mM1FtVzXqrlD99KXy2dSZp+4hxI8QKTFv73Fp+Hs02p:pFbXeF99KC2dSz/48Rv2

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1152	pEfKpPa08513.exe

Executes dropped EXE 1 IoCs

pid	Process
1152	pEfKpPa08513.exe

Loads dropped DLL 2 IoCs

pid	Process
2388	a690ee3cccc1052ada54669cf467fb5e_JaffaCakes118.exe
2388	a690ee3cccc1052ada54669cf467fb5e_JaffaCakes118.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2388-2-0x0000000000400000-0x00000000004B9000-memory.dmp	upx
behavioral1/memory/2388-1-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1152-17-0x0000000000400000-0x00000000004B9000-memory.dmp	upx
behavioral1/memory/1152-16-0x0000000000400000-0x00000000004B9000-memory.dmp	upx
behavioral1/memory/2388-21-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2388-22-0x0000000000400000-0x00000000004B9000-memory.dmp	upx
behavioral1/memory/1152-24-0x0000000000400000-0x00000000004B9000-memory.dmp	upx
behavioral1/memory/1152-40-0x0000000000400000-0x00000000004B9000-memory.dmp	upx
behavioral1/memory/2388-55-0x0000000000400000-0x00000000004B9000-memory.dmp	upx
behavioral1/memory/2388-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

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\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\pEfKpPa08513 = "C:\\ProgramData\\pEfKpPa08513\\pEfKpPa08513.exe"	pEfKpPa08513.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	a690ee3cccc1052ada54669cf467fb5e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pEfKpPa08513.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main	pEfKpPa08513.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2388	a690ee3cccc1052ada54669cf467fb5e_JaffaCakes118.exe
Token: SeDebugPrivilege	1152	pEfKpPa08513.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1152	pEfKpPa08513.exe
1152	pEfKpPa08513.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1152	pEfKpPa08513.exe
1152	pEfKpPa08513.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1152	pEfKpPa08513.exe
1152	pEfKpPa08513.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 1152	2388	a690ee3cccc1052ada54669cf467fb5e_JaffaCakes118.exe	29
PID 2388 wrote to memory of 1152	2388	a690ee3cccc1052ada54669cf467fb5e_JaffaCakes118.exe	29
PID 2388 wrote to memory of 1152	2388	a690ee3cccc1052ada54669cf467fb5e_JaffaCakes118.exe	29
PID 2388 wrote to memory of 1152	2388	a690ee3cccc1052ada54669cf467fb5e_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\a690ee3cccc1052ada54669cf467fb5e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a690ee3cccc1052ada54669cf467fb5e_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2388
- C:\ProgramData\pEfKpPa08513\pEfKpPa08513.exe
  "C:\ProgramData\pEfKpPa08513\pEfKpPa08513.exe" "C:\Users\Admin\AppData\Local\Temp\a690ee3cccc1052ada54669cf467fb5e_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1152

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

2

T1112

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:\ProgramData\pEfKpPa08513\pEfKpPa08513.exe

Filesize
439KB

MD5
0e48318dd652bc12497272885640a4ca

SHA1
424857621bc01f7a1a0f43c6081e1738367c6b18

SHA256
06335b4e1a215cfda54941128adaf7d472e1db472363bf428099da96c89b3ff7

SHA512
1065f672f7a5c9004e9e55c651717975798bb7fea310fc9f9f4d9c6e1983846d9eabfc6d339435ca4f977c82671cd4c0c62774574fb466315c654bbd005ded2d

Download Submit
memory/1152-16-0x0000000000400000-0x00000000004B9000-memory.dmp

Filesize
740KB

Download
memory/1152-15-0x0000000000260000-0x0000000000360000-memory.dmp

Filesize
1024KB

Download
memory/1152-17-0x0000000000400000-0x00000000004B9000-memory.dmp

Filesize
740KB

Download
memory/1152-24-0x0000000000400000-0x00000000004B9000-memory.dmp

Filesize
740KB

Download
memory/1152-40-0x0000000000400000-0x00000000004B9000-memory.dmp

Filesize
740KB

Download
memory/2388-1-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2388-2-0x0000000000400000-0x00000000004B9000-memory.dmp

Filesize
740KB

Download
memory/2388-0-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/2388-21-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2388-22-0x0000000000400000-0x00000000004B9000-memory.dmp

Filesize
740KB

Download
memory/2388-55-0x0000000000400000-0x00000000004B9000-memory.dmp

Filesize
740KB

Download
memory/2388-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads