3c56fb1670f7c3b21904100a0520d6ad92b5739d295ba5ae9c2f366baf7706b5

General

Target

a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
Size

310KB
MD5

a7c472329f5f2b93a0adcb604372870e
SHA1

4dc3776abc6500b91f868e573ade602a339a2ebe
SHA256

3c56fb1670f7c3b21904100a0520d6ad92b5739d295ba5ae9c2f366baf7706b5
SHA512

ad813b73f28ec889aea09ead8f1c8e4dad8cd12dce6e38171a3ea091406a63b940f578651808e6291f8c5a765a53e0cbd516b52245c43808a41fa37716f8959f
SSDEEP

6144:NtKe6YiDdv3m3mgKHIl7bNIKTQ/ary6Gpu8A4f1vg1Y/BYuLet5VO:NtKe6Zv23YdL/WBvU1vBYuit5o

Score

8^/10

discovery persistence

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 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\{E4A7A932-8B9A-11D5-EBA1-F78EEEEEE983}	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{E4A7A932-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msasy32.exe"	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe

Modifies system executable filetype association 2 TTPs 1 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\" %*"	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 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"	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msasy32.exe	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\msasy32.exe	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\concp32.exe	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vcl32.exe	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
512	812	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 1 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	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4A7A932-8B9A-11D5-EBA1-F78EEEEEE983}	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4A7A932-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4A7A932-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4A7A932-8B9A-11D5-EBA1-F78EEEEEE983}\ax = ccbe2c85016a021a225a39fcb12394e8	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
812	a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a7c472329f5f2b93a0adcb604372870e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a7c472329f5f2b93a0adcb604372870e_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
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:812
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 812 -s 764
  2⤵
  - Program crash
  PID:512

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4400,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4440 /prefetch:8
1⤵
PID:4552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 812 -ip 812
1⤵
PID:1556

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\concp32.exe

Filesize
318KB

MD5
ed36e2e0b23796adbdbd4b9c048b6c81

SHA1
a535f74947dee6f9eed6400229636c6ee93457e1

SHA256
18a8f81ca9b752c5a823324f4cad0bf1667929aa6d30a207752647536a9e6301

SHA512
20a7ae6d1510e78224bb63f003769637c69b989673a0c76f1925f8ebe5fdabb5fe2480f89bf6851392d88728fed88a56fede75c93d63e06edcf7f721db5e0854

Download Submit
memory/812-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/812-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads