6a4423b255e84f2d1ca58a153bd423517a5c7013e719061941416760f7ef49d3

Analysis

max time kernel
561s
max time network
843s
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-io-2.5.jar
Size

203KB
MD5

e2d74794fba570ec2115fb9d5b05dc9b
SHA1

2852e6e05fbb95076fc091f6d1780f1f8fe35e0f
SHA256

a10418348d234968600ccb1d988efcbbd08716e1d96936ccc1880e7d22513474
SHA512

1f6bfc215da9ae661dbabba80a0f29101a2d5e49c7d0c6ed760d1cafea005b7f0ff177b3b741e75b8e59804b0280fa453a76940b97e52b800ec03042f1692b07
SSDEEP

6144:m4kN4FYEA+xWF9BfM4xm22MR6YQJlvyRpdw:hkuxQnfnxm22o6zfvWpq

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
5012	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 5012	1188	java.exe	85
PID 1188 wrote to memory of 5012	1188	java.exe	85

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-io-2.5.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- 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:5012

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=5372,i,6862816582779850255,3437582573780299282,262144 --variations-seed-version --mojo-platform-channel-handle=3540 /prefetch:8
1⤵
PID:4500

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
6f8c5a7535d0eeee03fde200e7bddee0

SHA1
fcbcd442702a5db3a9f4cd0863fad71b97211b2e

SHA256
6c4f566ed9712f41edde5ef1edbe395b0f9a73ac87e5c3d9b10bdf2477af837f

SHA512
62d57f29631866356758807c3245c5168a143f852b1df33a43646dee46eefcf7880c4834ce3d8192a85fcfe3d54feed8d2db51f5d26aa35041f96b8f6f18c1ba

Download Submit
memory/1188-2-0x00000246EBFC0000-0x00000246ECFC0000-memory.dmp

Filesize
16.0MB

Download
memory/1188-12-0x00000246EA710000-0x00000246EA711000-memory.dmp

Filesize
4KB

Download