88a9b4cfac5ba3a433942f8f4e489229f0fd694a7f9a78a8b6ca5cc5dc590e00

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-03-2024 12:51

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General

Target

MVO4879773357878.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
3532	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\dll\ntdll.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\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\symbols\dll\ntdll.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\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\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\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 3532	4924	java.exe	86
PID 4924 wrote to memory of 3532	4924	java.exe	86

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\MVO4879773357878.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4924
- 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:3532

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
42a49245661cde69779af1e182fbc626

SHA1
8f8ab4bdef4614473f908e4f1ad6c29bf0505af7

SHA256
4302e2b4bda9a6780a706fb9d006ae4f3b1e227b5e31d3f0d4d8580ed2bebb9e

SHA512
86358236ead2aac3896f756c481290757d1da043d10fe047b1c757b1685fd23be44a99d1454d3e6a4eefce6cdc6873560f9ee37fce465bd97bedb6df6aeda9d9

Download Submit
memory/4924-62-0x0000026287040000-0x0000026287041000-memory.dmp

Filesize
4KB

Download
memory/4924-128-0x0000026288680000-0x0000026289680000-memory.dmp

Filesize
16.0MB

Download
memory/4924-58-0x0000026288680000-0x0000026289680000-memory.dmp

Filesize
16.0MB

Download
memory/4924-29-0x0000026287040000-0x0000026287041000-memory.dmp

Filesize
4KB

Download
memory/4924-35-0x0000026288680000-0x0000026289680000-memory.dmp

Filesize
16.0MB

Download
memory/4924-47-0x0000026288680000-0x0000026289680000-memory.dmp

Filesize
16.0MB

Download
memory/4924-53-0x0000026288680000-0x0000026289680000-memory.dmp

Filesize
16.0MB

Download
memory/4924-55-0x0000026287040000-0x0000026287041000-memory.dmp

Filesize
4KB

Download
memory/4924-18-0x0000026288680000-0x0000026289680000-memory.dmp

Filesize
16.0MB

Download
memory/4924-12-0x0000026287040000-0x0000026287041000-memory.dmp

Filesize
4KB

Download
memory/4924-68-0x0000026287040000-0x0000026287041000-memory.dmp

Filesize
4KB

Download
memory/4924-66-0x0000026287040000-0x0000026287041000-memory.dmp

Filesize
4KB

Download
memory/4924-78-0x0000026287040000-0x0000026287041000-memory.dmp

Filesize
4KB

Download
memory/4924-83-0x0000026287040000-0x0000026287041000-memory.dmp

Filesize
4KB

Download
memory/4924-82-0x0000026287040000-0x0000026287041000-memory.dmp

Filesize
4KB

Download
memory/4924-84-0x0000026287040000-0x0000026287041000-memory.dmp

Filesize
4KB

Download
memory/4924-113-0x0000026288680000-0x0000026289680000-memory.dmp

Filesize
16.0MB

Download
memory/4924-124-0x0000026288680000-0x0000026289680000-memory.dmp

Filesize
16.0MB

Download
memory/4924-4-0x0000026288680000-0x0000026289680000-memory.dmp

Filesize
16.0MB

Download