905b71e2a9a799c558c6b280a85e50c43a5c8998476304eee0bed1a0077b227d

General

Target

db9833030584890b42448c8ef340d85d_JaffaCakes118.exe
Size

324KB
MD5

db9833030584890b42448c8ef340d85d
SHA1

b4da489452adeab9663cd852c4e72d6cb53ea22a
SHA256

905b71e2a9a799c558c6b280a85e50c43a5c8998476304eee0bed1a0077b227d
SHA512

1fb0808d0f4b462d9295968a8c1eadd56980e9d1ab1696fc0da0795f647d7cdb79864a9540567a8ad461592a25eef7df79cd100d526c916649aef994c5cc41e7
SSDEEP

6144:BDjJvvtwSxbLeXGuuZT9Bv698PkN3jFYvXTI2vRAoZi8MLuGxq37hDqc7:dNtx9guV9BS98PqFYvjIEG589hDR

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2928	fCkHhGc08504.exe

Executes dropped EXE 1 IoCs

pid	Process
2928	fCkHhGc08504.exe

Loads dropped DLL 2 IoCs

pid	Process
2684	db9833030584890b42448c8ef340d85d_JaffaCakes118.exe
2684	db9833030584890b42448c8ef340d85d_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2684-1-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2928-14-0x0000000000400000-0x00000000005BD000-memory.dmp	upx
behavioral1/memory/2684-18-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2928-20-0x0000000000400000-0x00000000005BD000-memory.dmp	upx
behavioral1/memory/2684-19-0x0000000000400000-0x00000000005BD000-memory.dmp	upx
behavioral1/memory/2928-36-0x0000000000400000-0x00000000005BD000-memory.dmp	upx
behavioral1/memory/2684-52-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2684-51-0x0000000000400000-0x00000000005BD000-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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\fCkHhGc08504 = "C:\\ProgramData\\fCkHhGc08504\\fCkHhGc08504.exe"	fCkHhGc08504.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	db9833030584890b42448c8ef340d85d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fCkHhGc08504.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main	fCkHhGc08504.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2684	db9833030584890b42448c8ef340d85d_JaffaCakes118.exe
2684	db9833030584890b42448c8ef340d85d_JaffaCakes118.exe
2928	fCkHhGc08504.exe
2928	fCkHhGc08504.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	db9833030584890b42448c8ef340d85d_JaffaCakes118.exe
Token: SeDebugPrivilege	2928	fCkHhGc08504.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2928	fCkHhGc08504.exe
2928	fCkHhGc08504.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2928	fCkHhGc08504.exe
2928	fCkHhGc08504.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2928	fCkHhGc08504.exe
2928	fCkHhGc08504.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2928	2684	db9833030584890b42448c8ef340d85d_JaffaCakes118.exe	31
PID 2684 wrote to memory of 2928	2684	db9833030584890b42448c8ef340d85d_JaffaCakes118.exe	31
PID 2684 wrote to memory of 2928	2684	db9833030584890b42448c8ef340d85d_JaffaCakes118.exe	31
PID 2684 wrote to memory of 2928	2684	db9833030584890b42448c8ef340d85d_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\db9833030584890b42448c8ef340d85d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\db9833030584890b42448c8ef340d85d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684
- C:\ProgramData\fCkHhGc08504\fCkHhGc08504.exe
  "C:\ProgramData\fCkHhGc08504\fCkHhGc08504.exe" "C:\Users\Admin\AppData\Local\Temp\db9833030584890b42448c8ef340d85d_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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2928

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

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Downloads

\ProgramData\fCkHhGc08504\fCkHhGc08504.exe

Filesize
324KB

MD5
a6698d89a06d1fa8eb88ff8eb14f46e5

SHA1
a57bddca359d48cb74b5c946a9c13e54e4838408

SHA256
c437dc9bd52e65f575c7cee1a4128422e48fab83c6b203dfa91f8d73071ed820

SHA512
f46ab7c1a896b9966f0437c6674477a33705d3e536a7f8a4716c7efc41dbec5b3c331fa1c4382246cd8ab2562b2cd9db3ffab04b2f09f702af3f852747b34eb8

Download Submit
memory/2684-0-0x00000000003A0000-0x00000000003EE000-memory.dmp

Filesize
312KB

Download
memory/2684-1-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2684-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2684-19-0x0000000000400000-0x00000000005BD000-memory.dmp

Filesize
1.7MB

Download
memory/2684-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2684-51-0x0000000000400000-0x00000000005BD000-memory.dmp

Filesize
1.7MB

Download
memory/2928-14-0x0000000000400000-0x00000000005BD000-memory.dmp

Filesize
1.7MB

Download
memory/2928-20-0x0000000000400000-0x00000000005BD000-memory.dmp

Filesize
1.7MB

Download
memory/2928-36-0x0000000000400000-0x00000000005BD000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads