eb32e9398f56cbe2b3f0a1d827808e9252db0d91fa6c477c773500af733d4ca3

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10-04-2024 14:05

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General

Target

eb3d619cba462d77977690934d4cb413_JaffaCakes118.jar
Size

99KB
MD5

eb3d619cba462d77977690934d4cb413
SHA1

9d60b4ab4cda0c6693de417dbb2db72c95a73663
SHA256

eb32e9398f56cbe2b3f0a1d827808e9252db0d91fa6c477c773500af733d4ca3
SHA512

f20b3a6bbff91699485e8866dd5d4ab59cc7cf4645ee2f147185fd3449db361afa9fabfa83e86b614ddbea13d50444d944d519a3f57e7884f45a61095156d23c
SSDEEP

1536:i36NYptd54f5fLZZaSF7dnxrzwufJO/Tg7b98KChFkiPVpg3dmI:i3Sstd5MfL/F75hU/T7KChFtPVpgV

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4032	icacls.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 4032	4116	java.exe	86
PID 4116 wrote to memory of 4032	4116	java.exe	86

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\eb3d619cba462d77977690934d4cb413_JaffaCakes118.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Windows\system32\icacls.exe
  C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
  2⤵
  - Modifies file permissions
  PID:4032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
35cf370a457eeb8b6968c73f5986cf03

SHA1
1f27088fa8dfa851262c7711e41d14a9f6096ba9

SHA256
7798638b9b9de09ced3b1e545d489882ad76693586910a7d0a566052ea56421a

SHA512
28b6c8c159c1b139c83682d0af4c44d942a29c2e15ef2ac118360dcf97999dc271d8d44035add59b597442d36b2a877435f4490a1141455d5a1db6544d07b6ab

Download Submit
memory/4116-4-0x000001F2674B0000-0x000001F2684B0000-memory.dmp

Filesize
16.0MB

Download
memory/4116-12-0x000001F265BD0000-0x000001F265BD1000-memory.dmp

Filesize
4KB

Download
memory/4116-13-0x000001F265BD0000-0x000001F265BD1000-memory.dmp

Filesize
4KB

Download
memory/4116-19-0x000001F2674B0000-0x000001F2684B0000-memory.dmp

Filesize
16.0MB

Download
memory/4116-22-0x000001F267740000-0x000001F267750000-memory.dmp

Filesize
64KB

Download
memory/4116-23-0x000001F267750000-0x000001F267760000-memory.dmp

Filesize
64KB

Download
memory/4116-24-0x000001F2674B0000-0x000001F2684B0000-memory.dmp

Filesize
16.0MB

Download
memory/4116-25-0x000001F2674B0000-0x000001F2684B0000-memory.dmp

Filesize
16.0MB

Download