435d32311e1740e84c17b2aefc0b4674cfde08ef65d9416cb64af175c984e8c3

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 04:05

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General

Target

82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
Size

155KB
MD5

82f794cd7338747928cf4235189d9e9e
SHA1

9dbce27bcf1804a07a877b9be332ce8fe4c5d38e
SHA256

435d32311e1740e84c17b2aefc0b4674cfde08ef65d9416cb64af175c984e8c3
SHA512

96a8ab6e11ab7e4ae17b2bc85f15f1aa2ae493336235729bb69041ed7ff2c1b2ddb341c2f8d755f8d9677bf11c921613bb5ac4cc031e7f349ad33adcbdcd24d8
SSDEEP

3072:hnODNnYQKAHQ6OCVy1qPkZlaPQxhCI6jhXHbBjGT5rW:hwNnFKAHQ6OCVy1qPilaPQxhCI6Z0JW

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3881032017-2947584075-2120384563-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Spool = "C:\\Users\\Admin\\LOCALS~1\\APPLIC~1\\MICROS~1\\spoolsv.exe /waitservice"	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Cisvc = "C:\\Windows\\System\\cisvc.exe /waitservice"	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-3881032017-2947584075-2120384563-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
972	esentutl.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System\cisvc.exe	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
File opened for modification	C:\Windows\System\cisvc.exe	82f794cd7338747928cf4235189d9e9e_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	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	82f794cd7338747928cf4235189d9e9e_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"	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 972	2620	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe	83
PID 2620 wrote to memory of 972	2620	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe	83
PID 2620 wrote to memory of 972	2620	82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82f794cd7338747928cf4235189d9e9e_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Users\Admin\LOCALS~1\APPLIC~1\MICROS~1\esentutl.exe
  C:\Users\Admin\LOCALS~1\APPLIC~1\MICROS~1\esentutl.exe /waitservice
  2⤵
  - Executes dropped EXE
  PID:972

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\System\cisvc.exe

Filesize
155KB

MD5
82f794cd7338747928cf4235189d9e9e

SHA1
9dbce27bcf1804a07a877b9be332ce8fe4c5d38e

SHA256
435d32311e1740e84c17b2aefc0b4674cfde08ef65d9416cb64af175c984e8c3

SHA512
96a8ab6e11ab7e4ae17b2bc85f15f1aa2ae493336235729bb69041ed7ff2c1b2ddb341c2f8d755f8d9677bf11c921613bb5ac4cc031e7f349ad33adcbdcd24d8

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads