90cdde4401cad305f8bccbc043654a7bbc7ea4050576f2af1008ab4f9f139c01

General

Target

15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
Size

464KB
MD5

15650808b754f8886c63e44915e5e838
SHA1

22000b9d39eb03a6f6bb8674810691e1e740da85
SHA256

90cdde4401cad305f8bccbc043654a7bbc7ea4050576f2af1008ab4f9f139c01
SHA512

8126fa2e73e21ea43284ce1b189278a2cc8d842a3ddfb320b5743a56c5753cbb82fde7a99b199e6cca0a94eed79dd9850cc9ec6429160476f893ecd96e93f987
SSDEEP

12288:NtKe6Zv23YdL/W5L/SZdSCvTF+bDTqXTa7v5ouBdSJeM:d6Zv24/WNSZ8CLGETEjnSL

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\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msvwe32.exe"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msvwe32.exe"	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2908	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\" %*"	15650808b754f8886c63e44915e5e838_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\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\concp32.exe	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vcl32.exe	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\msvwe32.exe	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\msvwe32.exe	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\concp32.exe	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
File opened for modification	C:\Windows\spoolsv.exe	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 4283b3c7ebc63405e5d4108f4cc63ee8	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8850A1C2-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1952	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2908	1952	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe	28
PID 1952 wrote to memory of 2908	1952	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe	28
PID 1952 wrote to memory of 2908	1952	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe	28
PID 1952 wrote to memory of 2908	1952	15650808b754f8886c63e44915e5e838_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\15650808b754f8886c63e44915e5e838_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\15650808b754f8886c63e44915e5e838_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:1952
- 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:2908

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
471KB

MD5
fb32acdaa60dc0aafb777b93a09c069d

SHA1
3ef07554e71d1285769e8c4bfe2ff236cd82274e

SHA256
e8ec214f6d30cdf241c8cb66683b525a205b0be838ebf6952762e2e96b4aa31d

SHA512
b1103d3a17430cef3c260aca2b975bbc2cf98946d2a94cc934af017cccaedede06a477ddb029c88f2a51d70d71ed4ff72a9533ae26e7d744954eef5aa11a16c5

Download Submit
C:\Windows\spoolsv.exe

Filesize
465KB

MD5
28c8ed63a31138173844cd29a0c24e8c

SHA1
8b00b985ce4c4968a896fd2261ac34bd9ac29551

SHA256
279b99ad790119aa9c7793eae838150afc13b15d8f407b47323a6419e7e7c5f6

SHA512
b1589f2bc323f81efe66ca3d86094a627896ba4741bc21a939bbd27ecebb86ca4111316c0bd1d192333ebe8209ff0d458b304883af272ac62ea4f8f81a402706

Download Submit
memory/1952-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1952-15-0x0000000000220000-0x0000000000255000-memory.dmp

Filesize
212KB

Download
memory/1952-14-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1952-13-0x0000000000220000-0x0000000000255000-memory.dmp

Filesize
212KB

Download
memory/2908-17-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads