e22597e1a36d25d3faa9800824dfed692febed56d30168266aaae394e3d8619b

General

Target

2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
Size

438KB
MD5

2b538ec853e3dc0c8e7688f4e84e00e7
SHA1

df370bfcf5d014e12f1f4ad47f81ac04cbd70552
SHA256

e22597e1a36d25d3faa9800824dfed692febed56d30168266aaae394e3d8619b
SHA512

4565cca99981e93556520f40a74c69d2438bb10da9e20f19f56629f202a05c50a5a5835af96acbbead61068aa41e4e7f163232bf32a0757a2d6a6affa9835383
SSDEEP

6144:NtKe6YiDdv3m3mgKHIl7bNIKTQ/ary222wItJdmSMe0tQd1VbAXQYQSkLH2VDsn+:NtKe6Zv23YdL/W52P2Ic0tQd14QYLc+

Score

8^/10

persistence

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msjxx32.exe"	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msjxx32.exe"	spoolsv.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	spoolsv.exe

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\concp32.exe	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vcl32.exe	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\msjxx32.exe	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\msjxx32.exe	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\spoolsv.exe	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
File created	C:\Windows\spoolsv.exe	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}\ax = b945a6032332f189256952c3214112df	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21893E31-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2708	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2776	2708	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2776	2708	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2776	2708	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2776	2708	2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2b538ec853e3dc0c8e7688f4e84e00e7_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\spoolsv.exe
  C:\Windows\spoolsv.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Adds Run key to start application
  - Modifies registry class
  PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\concp32.exe

Filesize
442KB

MD5
5f6d04f3ce8b6786403c030bd8318f6d

SHA1
0883fba6aa51712ececa86dfc8a2d3add0a76195

SHA256
609a33129fad6640685ff8c31af0e4c765710b7b629d3fe58b3eca3a567b03ff

SHA512
78ae4759d7d3858a7e1b486fa4d832e1d002ed66ee9bc04e243c1c5e25e74d815f465b47876d9aad4e236a011f33c782e8193cb725d7fb832543b2c12aa78b8c

Download Submit
C:\Windows\spoolsv.exe

Filesize
440KB

MD5
fcfff9ac12f606954dccc5063797490b

SHA1
faec18ea871f4249225e421175b4e589ef410794

SHA256
aefdf2e88b35a723bc0c0888af56feb1bd6dfffc5427b746a474555f2d5b5077

SHA512
30556615b3d159ecd993a7f6701165a869e55bd7c413989930adab292bc7d4167c4d79e53a158d1c9ca0fe097734ec4f620434cdd3c134f56880cb5ddfd4b868

Download Submit
memory/2708-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2708-13-0x0000000000220000-0x0000000000255000-memory.dmp

Filesize
212KB

Download
memory/2708-15-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2708-14-0x0000000000220000-0x0000000000255000-memory.dmp

Filesize
212KB

Download
memory/2776-17-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads