31ee8b1f5a729087bfcd58265b4558d9c382736e74934a18200756ac672f6005

Analysis

max time kernel
87s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
02/05/2024, 13:25

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General

Target

lib/zt-zip.jar
Size

102KB
MD5

0fd8bc4f0f2e37feb1efc474d037af55
SHA1

add8fface4c1936787eb4bffe4ea944a13467d53
SHA256

1e31ef3145d1e30b31107b7afc4a61011ebca99550dce65f945c2ea4ccac714b
SHA512

29de5832db5b43fdc99bb7ea32a7359441d6cf5c05561dd0a6960b33078471e4740ee08ffbd97a5ced4b7dd9cc98fad6add43edb4418bf719f90f83c58188149
SSDEEP

1536:Dxpeuv7xOoWmvqcQurq8vGDTRAi5yRdPPl/CJqM9ggS3OIrBTH6x0:Fguv7cfmJrUOiYRbXMbS3Ooox0

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4544	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3424 wrote to memory of 4544	3424	java.exe	82
PID 3424 wrote to memory of 4544	3424	java.exe	82

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\lib\zt-zip.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:3424
- 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:4544

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

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Downloads

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

Filesize
46B

MD5
74581b341ef6398f1ff56ba29e3c3cf4

SHA1
0b7905ffd87ee05217406ea37313e2ce4a86a549

SHA256
cbb0c0b5f4f1272cbb05aefc04a672302fd0aafbda55d1bd8d7191ae411c6cf4

SHA512
357282374128e87c46207eae436edeb13f2eb6cca012248fca5f12a9977bf6167f9e51104011bf5c5ca251b46e8e1078be42c9e60e1c96e8e624d3efa647798a

Download Submit
memory/3424-2-0x0000020646070000-0x00000206462E0000-memory.dmp

Filesize
2.4MB

Download
memory/3424-12-0x0000020644880000-0x0000020644881000-memory.dmp

Filesize
4KB

Download
memory/3424-13-0x0000020646070000-0x00000206462E0000-memory.dmp

Filesize
2.4MB

Download