d90abbe31bae6679d53ace97db1b0d4807e7b665c16d0653698695d47f91253e

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 03:56

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General

Target

3336ad60a89c57c4610fb8a8b86b7d41_JaffaCakes118.exe
Size

125KB
MD5

3336ad60a89c57c4610fb8a8b86b7d41
SHA1

b165673ea521696c484253b00dc77c86206996b0
SHA256

d90abbe31bae6679d53ace97db1b0d4807e7b665c16d0653698695d47f91253e
SHA512

febfa796bdc0226e2e231333a141f27d19b7ee07ba2ccf674e2365bcd9181434a39c08a767e0906facaabf02b7dec5859df4d114ce89d1b3c97e115316f316f4
SSDEEP

3072:EJgwBIxhn+dz7diTqkGqcZBUPs7dHNnu3lAzyDJkluJfBd8V:EuwWx8fScnUPey1BtB

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2328	Nfubya.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\18RH6WMFH2 = "C:\\Windows\\Nfubya.exe"	Nfubya.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\Nfubya.exe	3336ad60a89c57c4610fb8a8b86b7d41_JaffaCakes118.exe
File opened for modification	C:\Windows\Nfubya.exe	3336ad60a89c57c4610fb8a8b86b7d41_JaffaCakes118.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	3336ad60a89c57c4610fb8a8b86b7d41_JaffaCakes118.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	3336ad60a89c57c4610fb8a8b86b7d41_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\Main	Nfubya.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\International	Nfubya.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe
2328	Nfubya.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2328	Nfubya.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2328	1976	3336ad60a89c57c4610fb8a8b86b7d41_JaffaCakes118.exe	30
PID 1976 wrote to memory of 2328	1976	3336ad60a89c57c4610fb8a8b86b7d41_JaffaCakes118.exe	30
PID 1976 wrote to memory of 2328	1976	3336ad60a89c57c4610fb8a8b86b7d41_JaffaCakes118.exe	30
PID 1976 wrote to memory of 2328	1976	3336ad60a89c57c4610fb8a8b86b7d41_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\3336ad60a89c57c4610fb8a8b86b7d41_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3336ad60a89c57c4610fb8a8b86b7d41_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\Nfubya.exe
  C:\Windows\Nfubya.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2328

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

Replay Monitor

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Downloads

C:\Windows\Nfubya.exe

Filesize
125KB

MD5
3336ad60a89c57c4610fb8a8b86b7d41

SHA1
b165673ea521696c484253b00dc77c86206996b0

SHA256
d90abbe31bae6679d53ace97db1b0d4807e7b665c16d0653698695d47f91253e

SHA512
febfa796bdc0226e2e231333a141f27d19b7ee07ba2ccf674e2365bcd9181434a39c08a767e0906facaabf02b7dec5859df4d114ce89d1b3c97e115316f316f4

Download Submit
C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

Filesize
372B

MD5
a50b34ccf9a77ab6f928114a1b559758

SHA1
5e7b74102dba505c8d870473103e381e5acd515a

SHA256
58ae92fcccb3e32adf3e6405638e43a0e155ad175dffd9d8091807b48dd0cde0

SHA512
c5a3a20e2e88e8c37b962e02945cc4ed0726795ce47c7a3ecb77e45549ca1335cb5953c995cf933ba4fa7257b9cf2ef714859dc968fca3ea4ceadc6032f78aed

Download Submit
memory/1976-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1976-0-0x0000000000250000-0x0000000000263000-memory.dmp

Filesize
76KB

Download
memory/1976-46438-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2328-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2328-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2328-46439-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2328-46440-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2328-46441-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2328-46442-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2328-46445-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2328-46449-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download