56adddced8be369b725c6c4db11ab5579dc88c40cbca16715db7a1e60da2fc3e

Analysis

max time kernel
91s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2024 16:24

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General

Target

PO#0015871.jar
Size

167KB
MD5

df7be0365b1ed92efa70ea5bc070f19c
SHA1

5c6d506244d85222a25f25a93d7400d71a7b527a
SHA256

56adddced8be369b725c6c4db11ab5579dc88c40cbca16715db7a1e60da2fc3e
SHA512

19f6e1ea3a63f422eb5c6dc5622722caea5debbec6042a770f364c050d11ec6b09adba765dfa3a74a47f457287cf7f5cffd8e08909b96dc25df5cbfbf6a235dd
SSDEEP

3072:T3FFxl3/W/7n3ZaVfK+7dkKwvBMxMI61Bd4+tEveaYARpzUPxOeQfebl2fXqAwWy:T3FFbUVao+S91BdfK2adzAx8eR2fqVX

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3292 icacls.exe

pid	process
3292	icacls.exe

Drops file in Program Files directory 12 IoCs

Processes:

java.exe

description	ioc	process
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\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\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\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\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 4784 wrote to memory of 3292 4784 java.exe icacls.exe
PID 4784 wrote to memory of 3292 4784 java.exe icacls.exe

description	pid	process	target process
PID 4784 wrote to memory of 3292	4784	java.exe	icacls.exe
PID 4784 wrote to memory of 3292	4784	java.exe	icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\PO#0015871.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4784

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:3292

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Filesize
46B

MD5
2fa3e744b6f168699f6f4a7f9d887dfc

SHA1
5eb53f67ceca89600d4855cdf962120ed8811411

SHA256
c669132d975fb5bd9baa8f12153fde1cb94d57fa36730721e26d2d4267fcf34c

SHA512
908a0b8113db581eb671407fe91c4f6f874ce2c57e7aa9b81c8da6b0c1e38b1965ee7494b9c2e22341a8d61d820ed844856ef299a3c4d8244ebad9a9eb2524b6

Download Submit
memory/4784-37-0x000001EDC9300000-0x000001EDC9310000-memory.dmp

Filesize
64KB

Download
memory/4784-35-0x000001EDC92D0000-0x000001EDC92E0000-memory.dmp

Filesize
64KB

Download
memory/4784-17-0x000001EDC9050000-0x000001EDCA050000-memory.dmp

Filesize
16.0MB

Download
memory/4784-26-0x000001EDC9050000-0x000001EDCA050000-memory.dmp

Filesize
16.0MB

Download
memory/4784-38-0x000001EDC9050000-0x000001EDCA050000-memory.dmp

Filesize
16.0MB

Download
memory/4784-36-0x000001EDC9330000-0x000001EDC9340000-memory.dmp

Filesize
64KB

Download
memory/4784-12-0x000001EDC7810000-0x000001EDC7811000-memory.dmp

Filesize
4KB

Download
memory/4784-4-0x000001EDC9050000-0x000001EDCA050000-memory.dmp

Filesize
16.0MB

Download
memory/4784-29-0x000001EDC7810000-0x000001EDC7811000-memory.dmp

Filesize
4KB

Download
memory/4784-39-0x000001EDC9310000-0x000001EDC9320000-memory.dmp

Filesize
64KB

Download
memory/4784-40-0x000001EDC9320000-0x000001EDC9330000-memory.dmp

Filesize
64KB

Download
memory/4784-41-0x000001EDC9340000-0x000001EDC9350000-memory.dmp

Filesize
64KB

Download
memory/4784-42-0x000001EDC9360000-0x000001EDC9370000-memory.dmp

Filesize
64KB

Download
memory/4784-43-0x000001EDC9370000-0x000001EDC9380000-memory.dmp

Filesize
64KB

Download
memory/4784-44-0x000001EDC9050000-0x000001EDCA050000-memory.dmp

Filesize
16.0MB

Download
memory/4784-45-0x000001EDC9050000-0x000001EDCA050000-memory.dmp

Filesize
16.0MB

Download