a6c11f14de0f3b87910785f97ae9618adda0d3b4a7616395d2b741c70881dc51

Analysis

max time kernel
1479s
max time network
1495s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
21-05-2024 15:53

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General

Target

CraxsRat 7.4/res/Lib/apksigner.jar
Size

968KB
MD5

16c82bdd120d4b5803deafd3550afa5f
SHA1

c1e0626fe98fdbe2f1d483f99664ec957f44f891
SHA256

ba13fc4122f3c8ef23eed76e13792b033fd0506de90ec3ff1e5773e383eb6f15
SHA512

9918a24392d397a64f39489dba1c73b1576ff1e6bc2c302f3fd7bb037b9f42f620ee90c12ebb625e927543e3163fbc47bcf99c93fde6deb0b9376e171f792bea
SSDEEP

24576:5hCPzWIgo1IhgOBAxoBSTNDGbe48+mrmCJprmhBK5I:5hCbW6jAAks7R6OohBK5I

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

4516 icacls.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 796 wrote to memory of 4516 796 java.exe icacls.exe
PID 796 wrote to memory of 4516 796 java.exe icacls.exe

pid	process
4516	icacls.exe

description	pid	process	target process
PID 796 wrote to memory of 4516	796	java.exe	icacls.exe
PID 796 wrote to memory of 4516	796	java.exe	icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\CraxsRat 7.4\res\Lib\apksigner.jar"
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- 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:4516

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
2b330b00f4ff08f9087d6a6d423f4fc6

SHA1
5b0d0ca362f37a224fc82f4f30a03c81e802886a

SHA256
97f3422825b67018a5ab6cc97d7c586370f0a8662ced0b17a401081cc54067fc

SHA512
1f70f65d96b1aa1dfc3f5232579ffa788efb4b9cbb2deb8229672dd2fcac67eea08209bcd254ea9cee1f7fb6dc145a2840a3ce8bcfe2a3337aad819a58fc2390

Download Submit
memory/796-2-0x00000236A4620000-0x00000236A4890000-memory.dmp

Filesize
2.4MB

Download
memory/796-13-0x00000236A4600000-0x00000236A4601000-memory.dmp

Filesize
4KB

Download
memory/796-14-0x00000236A4620000-0x00000236A4890000-memory.dmp

Filesize
2.4MB

Download