2e4bf369b89361ab41388590cf8358c47251cd5e7c0ee87c2b9257fb24b09862

General

Target

dece450533d288d2d0da657156893412_JaffaCakes118.exe
Size

74KB
MD5

dece450533d288d2d0da657156893412
SHA1

1c9191939365cd02396ed4f2c2ee9b0328873267
SHA256

2e4bf369b89361ab41388590cf8358c47251cd5e7c0ee87c2b9257fb24b09862
SHA512

2c5c690cf07b131050f3bc12f46295bc795dfefd0016573dd0662e4e898ac913d9a5df2b120fd0df466fd532806074981545e5b25818eb0be275aeb618165178
SSDEEP

768:2sKRawwQE0ChoYXJpOPGC/jcnV6uROALfIsnD+U//UTvP2oVcehAHUF1BbtgAjuJ:2TIhdX7ojc3RffD3/GvPDe58nDR5g

Score

8^/10

discovery persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	dece450533d288d2d0da657156893412_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\SessMgr = "C:\\Windows\\System\\sessmgr.exe /waitservice"	dece450533d288d2d0da657156893412_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	dece450533d288d2d0da657156893412_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ComRepl = "C:\\Users\\Admin\\LOCALS~1\\APPLIC~1\\comrepl.exe /waitservice"	dece450533d288d2d0da657156893412_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2364	dllhst3g.exe

Loads dropped DLL 2 IoCs

pid	Process
1992	dece450533d288d2d0da657156893412_JaffaCakes118.exe
1992	dece450533d288d2d0da657156893412_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System\sessmgr.exe	dece450533d288d2d0da657156893412_JaffaCakes118.exe
File opened for modification	C:\Windows\System\sessmgr.exe	dece450533d288d2d0da657156893412_JaffaCakes118.exe

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	dece450533d288d2d0da657156893412_JaffaCakes118.exe

Modifies data under HKEY_USERS 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT	dece450533d288d2d0da657156893412_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	dece450533d288d2d0da657156893412_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies	dece450533d288d2d0da657156893412_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	dece450533d288d2d0da657156893412_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	dece450533d288d2d0da657156893412_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows	dece450533d288d2d0da657156893412_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion	dece450533d288d2d0da657156893412_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	dece450533d288d2d0da657156893412_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	dece450533d288d2d0da657156893412_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\CmSTP = "C:\\Users\\Admin\\LOCALS~1\\APPLIC~1\\MICROS~1\\cmstp.exe /waitservice"	dece450533d288d2d0da657156893412_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2364	1992	dece450533d288d2d0da657156893412_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2364	1992	dece450533d288d2d0da657156893412_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2364	1992	dece450533d288d2d0da657156893412_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2364	1992	dece450533d288d2d0da657156893412_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\dece450533d288d2d0da657156893412_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dece450533d288d2d0da657156893412_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\dllhst3g.exe
  C:\Users\Admin\AppData\Local\Temp\dllhst3g.exe /waitservice
  2⤵
  - Executes dropped EXE
  PID:2364

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

1

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:\Users\Admin\AppData\Local\MICROS~1\cmstp.exe

Filesize
74KB

MD5
dece450533d288d2d0da657156893412

SHA1
1c9191939365cd02396ed4f2c2ee9b0328873267

SHA256
2e4bf369b89361ab41388590cf8358c47251cd5e7c0ee87c2b9257fb24b09862

SHA512
2c5c690cf07b131050f3bc12f46295bc795dfefd0016573dd0662e4e898ac913d9a5df2b120fd0df466fd532806074981545e5b25818eb0be275aeb618165178

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads