c2d10428fe726b860c13a6ca540bbfa471f7938d32f841422d21472c41871e3a

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
31/03/2024, 02:00

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General

Target

88a9b4cfac5ba3a433942f8f4e489229f0fd694a7f9a78a8b6ca5cc5dc590e00.jar
Size

109KB
MD5

ee75fce2158c3587daa560419f122001
SHA1

760d09adceeb4903db4130ef0d28654915844d5d
SHA256

88a9b4cfac5ba3a433942f8f4e489229f0fd694a7f9a78a8b6ca5cc5dc590e00
SHA512

c1a4ce9bf70ced9adee8f2955573e65777bc3e4151dacca076502cbd8cb8af9ceb5735cfed73e2bb9d8617961a3862ef94f440d25ab9f948407705b1a88d4229
SSDEEP

3072:QOOwYuveeNu/6Xy8HZknOZ6Xdbx9kkTrxZKXZnmVOEvIT:KwdveeoiXy8Cny6Nbx9nrxZKJtEvS

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3104	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\server\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\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\dll\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\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\dll\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\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 3104	4872	java.exe	88
PID 4872 wrote to memory of 3104	4872	java.exe	88

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\88a9b4cfac5ba3a433942f8f4e489229f0fd694a7f9a78a8b6ca5cc5dc590e00.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4872
- 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:3104

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
d6cf80cae4663d37ea4ed9329412c77d

SHA1
8bf3788da1b3483289bfb8916a6d86678fb09f14

SHA256
9b268e479b343c30d9483566655b239788c8ad18cb5a2c650598f996e23b725a

SHA512
7c80a335a3ac662eaf6f8ebfc7b42faea2bb1db968e65fcd9eed775114657a52fcfd6f22472ab231b3aefb636fe210763fd0c97c3471eb24c61ca6146087f768

Download Submit
memory/4872-43-0x00000229A1430000-0x00000229A1440000-memory.dmp

Filesize
64KB

Download
memory/4872-44-0x00000229A1440000-0x00000229A1450000-memory.dmp

Filesize
64KB

Download
memory/4872-14-0x000002299F950000-0x000002299F951000-memory.dmp

Filesize
4KB

Download
memory/4872-4-0x00000229A1170000-0x00000229A2170000-memory.dmp

Filesize
16.0MB

Download
memory/4872-28-0x000002299F950000-0x000002299F951000-memory.dmp

Filesize
4KB

Download
memory/4872-33-0x00000229A1170000-0x00000229A2170000-memory.dmp

Filesize
16.0MB

Download
memory/4872-40-0x00000229A13F0000-0x00000229A1400000-memory.dmp

Filesize
64KB

Download
memory/4872-41-0x00000229A1460000-0x00000229A1470000-memory.dmp

Filesize
64KB

Download
memory/4872-12-0x000002299F950000-0x000002299F951000-memory.dmp

Filesize
4KB

Download
memory/4872-42-0x00000229A1420000-0x00000229A1430000-memory.dmp

Filesize
64KB

Download
memory/4872-20-0x00000229A1170000-0x00000229A2170000-memory.dmp

Filesize
16.0MB

Download
memory/4872-45-0x00000229A1450000-0x00000229A1460000-memory.dmp

Filesize
64KB

Download
memory/4872-46-0x00000229A1470000-0x00000229A1480000-memory.dmp

Filesize
64KB

Download
memory/4872-48-0x00000229A1170000-0x00000229A2170000-memory.dmp

Filesize
16.0MB

Download
memory/4872-47-0x00000229A1480000-0x00000229A1490000-memory.dmp

Filesize
64KB

Download
memory/4872-49-0x00000229A1490000-0x00000229A14A0000-memory.dmp

Filesize
64KB

Download
memory/4872-50-0x00000229A14A0000-0x00000229A14B0000-memory.dmp

Filesize
64KB

Download
memory/4872-51-0x00000229A14B0000-0x00000229A14C0000-memory.dmp

Filesize
64KB

Download
memory/4872-52-0x00000229A1170000-0x00000229A2170000-memory.dmp

Filesize
16.0MB

Download