3f662d2fcb48c2c6ae0bcf595870a0b38198a23dd5040765893b6d8f43c872f6

Analysis

max time kernel
131s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 04:25

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

adb-toolkit/bin/recovery/tools/zip/Calkulin's_FORMAT_ALL_for_E4GT.jar
Size

143KB
MD5

18d1aee33f20ca30d4fc9ba16bd48392
SHA1

5eaeb2ec3a6af947cf20f562c04df405eca1901e
SHA256

cf083ba0e08aa70e04638bbcd3bb1fffab170c3309514410cde612598a4f0767
SHA512

c68225a2be7211455ba610dfbe221548a096117a2662ebdfdad55e5cb3ffb723a6351b7cc41e8142f950aa21d24f8eed521192b6c09d1715ff59ebbd26da47e2
SSDEEP

3072:Tu+suALPKdQeiifceXrFTJWfn6DOK+jM7JX09GP2FlXN:Tu+sTPKmHpw/WfiOKSMJeKad

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1312	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 412 wrote to memory of 1312	412	java.exe	51
PID 412 wrote to memory of 1312	412	java.exe	51

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\adb-toolkit\bin\recovery\tools\zip\Calkulin's_FORMAT_ALL_for_E4GT.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:412
- 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:1312

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

Loading Replay Monitor...

Downloads

memory/412-4-0x0000025F30910000-0x0000025F31910000-memory.dmp

Filesize
16.0MB

Download
memory/412-12-0x0000025F2F040000-0x0000025F2F041000-memory.dmp

Filesize
4KB

Download