6a4423b255e84f2d1ca58a153bd423517a5c7013e719061941416760f7ef49d3

Analysis

max time kernel
382s
max time network
456s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 15:08

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General

Target

Nurik/client_1_16_5/libraries/commons-codec-1.10.jar
Size

277KB
MD5

353cf6a2bdba09595ccfa073b78c7fcb
SHA1

4b95f4897fa13f2cd904aee711aeafc0c5295cd8
SHA256

4241dfa94e711d435f29a4604a3e2de5c4aa3c165e23bd066be6fc1fc4309569
SHA512

8edecc0faf38e8620460909d8191837f34e2bb2ce853677c486c5e79bb79e88d043c3aed69c11f1365c4884827052ee4e1c18ca56e38d1a5bc0ce15c57daeee3
SSDEEP

6144:+J+dN6A+hCs9rRzuGTaFx+mjIZCLtCdLIh4Jtk2N/NbQZnME4k7ELOU:+J+3+hCsVRNTxmKoFiJt5nbqME4k49

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4900	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 4900	2300	java.exe	86
PID 2300 wrote to memory of 4900	2300	java.exe	86

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\Nurik\client_1_16_5\libraries\commons-codec-1.10.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:2300
- 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:4900

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
3cfb4872b7b6103ab41cbd69e8647e31

SHA1
a51ed8382293f24cc81e107ceac9345370e9aa1e

SHA256
77f601c3291d9121b85b404d046f762d79c469771367c4bd84ad85d6b11144e1

SHA512
c1857de572d63de9be3845cb23371cc8ff170eeb26a1c2083572b86c99c306aafae557b66e21f7c9b0a9b38bec8d995f20e731265b91c58fa055d7ffcfd044d6

Download Submit
memory/2300-7-0x000001E753BB0000-0x000001E754BB0000-memory.dmp

Filesize
16.0MB

Download
memory/2300-12-0x000001E7522C0000-0x000001E7522C1000-memory.dmp

Filesize
4KB

Download