998287e4bf51fd31eb06cd475e37ab624956d0e78ce0799998c36a7526bade57

Analysis

max time kernel
145s
max time network
120s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
28/06/2024, 02:45

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General

Target

188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Size

76KB
MD5

188110ff270eb5f17d223a667dc94cba
SHA1

9bc4f4bc99e3f61177d4a17b9fc029aac0ed8f1c
SHA256

998287e4bf51fd31eb06cd475e37ab624956d0e78ce0799998c36a7526bade57
SHA512

ebab71e0d8fee0eacc0643331f883977a07f03ba5c62b160a8cd460f1c07252835bdc1f97cc7a6df804f102b64dc16828edff9d80ab19709dbdd801e82b2e2a9
SSDEEP

768:bCjTShqmLsthW2S7iM1LTABuxsiN3rBMyBnAA3uYHfsh5ODE/GOAQHyw3bZBO6en:mXS4XMWBji5qCuI+ODqAQFbre95QE

Score

8^/10

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\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Spool = "C:\\Users\\Admin\\AppData\\Roaming\\spoolsv.exe /waitservice"	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Esent Utl = "C:\\Windows\\esentutl.exe /waitservice"	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3052	cmstp.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\esentutl.exe	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
File created	C:\Windows\cmstp.exe	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
File created	C:\Windows\cmstp.exe	cmstp.exe
File created	C:\Windows\esentutl.exe	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe

Modifies data under HKEY_USERS 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\IEudinit = "C:\\Users\\Admin\\LOCALS~1\\APPLIC~1\\MICROS~1\\ieudinit.exe /waitservice"	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 3052	1664	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe	28
PID 1664 wrote to memory of 3052	1664	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe	28
PID 1664 wrote to memory of 3052	1664	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe	28
PID 1664 wrote to memory of 3052	1664	188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\188110ff270eb5f17d223a667dc94cba_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Windows\cmstp.exe
  C:\Windows\cmstp.exe /waitservice
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:3052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\esentutl.exe

Filesize
76KB

MD5
188110ff270eb5f17d223a667dc94cba

SHA1
9bc4f4bc99e3f61177d4a17b9fc029aac0ed8f1c

SHA256
998287e4bf51fd31eb06cd475e37ab624956d0e78ce0799998c36a7526bade57

SHA512
ebab71e0d8fee0eacc0643331f883977a07f03ba5c62b160a8cd460f1c07252835bdc1f97cc7a6df804f102b64dc16828edff9d80ab19709dbdd801e82b2e2a9

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads