ac422be6bcdef0c521c5de80f37a579f0176a7731abd14fa76540fb56d485961

Analysis

max time kernel
511s
max time network
513s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
22-05-2024 20:34

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General

Target

VMod.jar
Size

97KB
MD5

32e88ca1a31945dfa5116a1c0189a2c9
SHA1

fe18ccf5ed5589804853363b3dfd488549c842da
SHA256

ac422be6bcdef0c521c5de80f37a579f0176a7731abd14fa76540fb56d485961
SHA512

1ac0c17a1880a00465c954d026a71ec42648fbedcd6098e48bdc5003a7c540eee2b8f61d7859241c10c31bb789d72334732fcfbb52c4db5308b2a0686f7f6f91
SSDEEP

3072:V27A3U1CUxUM7fHwn+Kv10780inoa5Up+jBNAC:VmAkEvaInl6ILnzUiBNP

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

4836 icacls.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 1844 wrote to memory of 4836 1844 java.exe icacls.exe
PID 1844 wrote to memory of 4836 1844 java.exe icacls.exe

pid	process
4836	icacls.exe

description	pid	process	target process
PID 1844 wrote to memory of 4836	1844	java.exe	icacls.exe
PID 1844 wrote to memory of 4836	1844	java.exe	icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\VMod.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:1844

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:4836

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
1bad21a00d57b8a501acab9afc844954

SHA1
d8e39b25cdcb03abeab20f51e9835ab9e25490c0

SHA256
816829d04c2c7acff0155a188da5fc102eaa6405e7015efcbd001624947b84f0

SHA512
a142fb77291d85e8dc40929aa6e73a6361ff1af968f0efcb9cd124f7734b44cdfcbdca996522d3e720e0be0a95c395b18f252d62a474f5b67b82f5481cdf53d2

Download Submit
memory/1844-2-0x00000177427F0000-0x0000017742A60000-memory.dmp

Filesize
2.4MB

Download
memory/1844-12-0x0000017740EE0000-0x0000017740EE1000-memory.dmp

Filesize
4KB

Download
memory/1844-13-0x00000177427F0000-0x0000017742A60000-memory.dmp

Filesize
2.4MB

Download