Malware Analysis Report

2024-12-07 20:39

Sample ID 241120-vynsssvkgm
Target 20112024_1724_20112024_PI 2024 60488.jar
SHA256 11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c
Tags
strrat persistence stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c

Threat Level: Known bad

The file 20112024_1724_20112024_PI 2024 60488.jar was found to be: Known bad.

Malicious Activity Summary

strrat persistence stealer trojan

Strrat family

STRRAT

Drops startup file

Loads dropped DLL

Adds Run key to start application

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-20 17:24

Signatures

Strrat family

strrat

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-20 17:24

Reported

2024-11-20 17:29

Platform

win10v2004-20241007-en

Max time kernel

300s

Max time network

307s

Command Line

java -jar "C:\Users\Admin\AppData\Local\Temp\20112024_1724_20112024_PI 2024 60488.jar"

Signatures

STRRAT

trojan stealer strrat

Strrat family

strrat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\20112024_1724_20112024_PI 2024 60488.jar C:\Program Files\Java\jre-1.8\bin\java.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Program Files\Java\jre-1.8\bin\java.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\20112024_1724_20112024_PI 2024 60488 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\20112024_1724_20112024_PI 2024 60488.jar\"" C:\Program Files\Java\jre-1.8\bin\java.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\20112024_1724_20112024_PI 2024 60488 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\20112024_1724_20112024_PI 2024 60488.jar\"" C:\Program Files\Java\jre-1.8\bin\java.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe

java -jar "C:\Users\Admin\AppData\Local\Temp\20112024_1724_20112024_PI 2024 60488.jar"

C:\Program Files\Java\jre-1.8\bin\java.exe

"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\20112024_1724_20112024_PI 2024 60488.jar"

C:\Windows\SYSTEM32\cmd.exe

cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\20112024_1724_20112024_PI 2024 60488.jar"

C:\Program Files\Java\jre-1.8\bin\java.exe

"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\20112024_1724_20112024_PI 2024 60488.jar"

C:\Windows\system32\schtasks.exe

schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\20112024_1724_20112024_PI 2024 60488.jar"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 github.com udp
US 8.8.8.8:53 repo1.maven.org udp
GB 20.26.156.215:443 github.com tcp
US 199.232.196.209:443 repo1.maven.org tcp
US 199.232.196.209:443 repo1.maven.org tcp
US 199.232.196.209:443 repo1.maven.org tcp
US 8.8.8.8:53 219.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 209.196.232.199.in-addr.arpa udp
US 8.8.8.8:53 215.156.26.20.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 objects.githubusercontent.com udp
US 185.199.111.133:443 objects.githubusercontent.com tcp
US 8.8.8.8:53 133.111.199.185.in-addr.arpa udp
US 8.8.8.8:53 badmiles.ddns.net udp
BG 87.121.86.8:5055 badmiles.ddns.net tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 67.209.201.84.in-addr.arpa udp
BG 87.121.86.8:5055 badmiles.ddns.net tcp
US 8.8.8.8:53 218.135.221.88.in-addr.arpa udp
BG 87.121.86.8:5055 badmiles.ddns.net tcp
BG 87.121.86.8:5055 badmiles.ddns.net tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 badmiles.ddns.net udp
BG 87.121.86.8:5055 badmiles.ddns.net tcp
BG 87.121.86.8:5055 badmiles.ddns.net tcp
BG 87.121.86.8:5055 badmiles.ddns.net tcp
BG 87.121.86.8:5055 badmiles.ddns.net tcp
US 8.8.8.8:53 badmiles.ddns.net udp
BG 87.121.86.8:5055 badmiles.ddns.net tcp
BG 87.121.86.8:5055 badmiles.ddns.net tcp
BG 87.121.86.8:5055 badmiles.ddns.net tcp
BG 87.121.86.8:5055 badmiles.ddns.net tcp

Files

memory/1400-2-0x00000148D9E00000-0x00000148DA070000-memory.dmp

memory/1400-12-0x00000148DA070000-0x00000148DA080000-memory.dmp

memory/1400-14-0x00000148DA080000-0x00000148DA090000-memory.dmp

memory/1400-16-0x00000148DA090000-0x00000148DA0A0000-memory.dmp

memory/1400-18-0x00000148DA0A0000-0x00000148DA0B0000-memory.dmp

memory/1400-20-0x00000148DA0B0000-0x00000148DA0C0000-memory.dmp

memory/1400-22-0x00000148DA0C0000-0x00000148DA0D0000-memory.dmp

memory/1400-25-0x00000148DA0D0000-0x00000148DA0E0000-memory.dmp

memory/1400-28-0x00000148DA0F0000-0x00000148DA100000-memory.dmp

memory/1400-27-0x00000148DA0E0000-0x00000148DA0F0000-memory.dmp

memory/1400-35-0x00000148D9E00000-0x00000148DA070000-memory.dmp

memory/1400-41-0x00000148DA080000-0x00000148DA090000-memory.dmp

memory/1400-40-0x00000148DA120000-0x00000148DA130000-memory.dmp

memory/1400-39-0x00000148DA070000-0x00000148DA080000-memory.dmp

memory/1400-38-0x00000148DA110000-0x00000148DA120000-memory.dmp

memory/1400-36-0x00000148DA100000-0x00000148DA110000-memory.dmp

memory/1400-42-0x00000148D8530000-0x00000148D8531000-memory.dmp

memory/1400-46-0x00000148DA130000-0x00000148DA140000-memory.dmp

memory/1400-45-0x00000148DA090000-0x00000148DA0A0000-memory.dmp

memory/1400-49-0x00000148DA140000-0x00000148DA150000-memory.dmp

memory/1400-48-0x00000148DA0A0000-0x00000148DA0B0000-memory.dmp

memory/1400-54-0x00000148DA0C0000-0x00000148DA0D0000-memory.dmp

memory/1400-53-0x00000148DA160000-0x00000148DA170000-memory.dmp

memory/1400-58-0x00000148DA170000-0x00000148DA180000-memory.dmp

memory/1400-57-0x00000148DA0D0000-0x00000148DA0E0000-memory.dmp

memory/1400-59-0x00000148DA0E0000-0x00000148DA0F0000-memory.dmp

memory/1400-61-0x00000148DA180000-0x00000148DA190000-memory.dmp

memory/1400-60-0x00000148DA0F0000-0x00000148DA100000-memory.dmp

memory/1400-52-0x00000148DA150000-0x00000148DA160000-memory.dmp

memory/1400-51-0x00000148DA0B0000-0x00000148DA0C0000-memory.dmp

memory/1400-65-0x00000148DA190000-0x00000148DA1A0000-memory.dmp

memory/1400-71-0x00000148DA1A0000-0x00000148DA1B0000-memory.dmp

memory/1400-70-0x00000148DA110000-0x00000148DA120000-memory.dmp

memory/1400-69-0x00000148DA100000-0x00000148DA110000-memory.dmp

memory/1400-74-0x00000148DA1B0000-0x00000148DA1C0000-memory.dmp

memory/1400-86-0x00000148DA130000-0x00000148DA140000-memory.dmp

memory/1400-85-0x00000148DA200000-0x00000148DA210000-memory.dmp

memory/1400-84-0x00000148DA1F0000-0x00000148DA200000-memory.dmp

memory/1400-83-0x00000148DA1E0000-0x00000148DA1F0000-memory.dmp

memory/1400-82-0x00000148DA1D0000-0x00000148DA1E0000-memory.dmp

memory/1400-81-0x00000148DA1C0000-0x00000148DA1D0000-memory.dmp

memory/1400-80-0x00000148DA120000-0x00000148DA130000-memory.dmp

memory/1400-91-0x00000148DA210000-0x00000148DA220000-memory.dmp

memory/1400-90-0x00000148DA140000-0x00000148DA150000-memory.dmp

memory/1400-92-0x00000148D8530000-0x00000148D8531000-memory.dmp

memory/1400-94-0x00000148DA150000-0x00000148DA160000-memory.dmp

memory/1400-95-0x00000148DA160000-0x00000148DA170000-memory.dmp

memory/1400-96-0x00000148DA220000-0x00000148DA230000-memory.dmp

memory/1400-98-0x00000148DA230000-0x00000148DA240000-memory.dmp

memory/1400-99-0x00000148D8530000-0x00000148D8531000-memory.dmp

memory/1400-101-0x00000148DA170000-0x00000148DA180000-memory.dmp

memory/1400-102-0x00000148DA240000-0x00000148DA250000-memory.dmp

memory/1400-104-0x00000148DA180000-0x00000148DA190000-memory.dmp

memory/1400-108-0x00000148DA250000-0x00000148DA260000-memory.dmp

memory/1400-107-0x00000148DA190000-0x00000148DA1A0000-memory.dmp

memory/1400-110-0x00000148D8530000-0x00000148D8531000-memory.dmp

memory/1400-111-0x00000148DA1A0000-0x00000148DA1B0000-memory.dmp

memory/1400-112-0x00000148DA1B0000-0x00000148DA1C0000-memory.dmp

memory/1400-113-0x00000148DA1C0000-0x00000148DA1D0000-memory.dmp

memory/1400-116-0x00000148DA1F0000-0x00000148DA200000-memory.dmp

memory/1400-117-0x00000148DA200000-0x00000148DA210000-memory.dmp

memory/1400-115-0x00000148DA1E0000-0x00000148DA1F0000-memory.dmp

memory/1400-114-0x00000148DA1D0000-0x00000148DA1E0000-memory.dmp

memory/1400-118-0x00000148D8530000-0x00000148D8531000-memory.dmp

memory/1400-120-0x00000148DA260000-0x00000148DA270000-memory.dmp

memory/1400-122-0x00000148DA210000-0x00000148DA220000-memory.dmp

memory/1400-123-0x00000148DA270000-0x00000148DA280000-memory.dmp

memory/1400-125-0x00000148DA220000-0x00000148DA230000-memory.dmp

memory/1400-127-0x00000148DA230000-0x00000148DA240000-memory.dmp

memory/1400-128-0x00000148DA280000-0x00000148DA290000-memory.dmp

memory/1400-130-0x00000148D8530000-0x00000148D8531000-memory.dmp

memory/1400-133-0x00000148DA290000-0x00000148DA2A0000-memory.dmp

memory/1400-132-0x00000148DA240000-0x00000148DA250000-memory.dmp

memory/1400-136-0x00000148D8530000-0x00000148D8531000-memory.dmp

memory/1400-137-0x00000148DA2A0000-0x00000148DA2B0000-memory.dmp

memory/1400-139-0x00000148D8530000-0x00000148D8531000-memory.dmp

memory/1400-142-0x00000148DA250000-0x00000148DA260000-memory.dmp

memory/1400-143-0x00000148D8530000-0x00000148D8531000-memory.dmp

memory/1400-145-0x00000148DA2B0000-0x00000148DA2C0000-memory.dmp

memory/1400-147-0x00000148DA2C0000-0x00000148DA2D0000-memory.dmp

memory/1400-152-0x00000148DA260000-0x00000148DA270000-memory.dmp

memory/1400-155-0x00000148DA270000-0x00000148DA280000-memory.dmp

memory/1400-159-0x00000148DA280000-0x00000148DA290000-memory.dmp

memory/1400-160-0x00000148DA290000-0x00000148DA2A0000-memory.dmp

memory/1400-161-0x00000148DA2A0000-0x00000148DA2B0000-memory.dmp

memory/1400-172-0x00000148D8530000-0x00000148D8531000-memory.dmp

memory/1400-176-0x00000148D8530000-0x00000148D8531000-memory.dmp

memory/1400-181-0x00000148DA0A0000-0x00000148DA0B0000-memory.dmp

memory/1400-180-0x00000148DA090000-0x00000148DA0A0000-memory.dmp

memory/1400-179-0x00000148DA080000-0x00000148DA090000-memory.dmp

memory/1400-178-0x00000148DA070000-0x00000148DA080000-memory.dmp

memory/1400-177-0x00000148DA120000-0x00000148DA130000-memory.dmp

memory/1400-196-0x00000148DA190000-0x00000148DA1A0000-memory.dmp

memory/1400-195-0x00000148DA180000-0x00000148DA190000-memory.dmp

memory/1400-194-0x00000148DA170000-0x00000148DA180000-memory.dmp

memory/1400-193-0x00000148DA160000-0x00000148DA170000-memory.dmp

memory/1400-192-0x00000148DA150000-0x00000148DA160000-memory.dmp

memory/1400-191-0x00000148DA140000-0x00000148DA150000-memory.dmp

memory/1400-190-0x00000148DA130000-0x00000148DA140000-memory.dmp

memory/1400-189-0x00000148DA110000-0x00000148DA120000-memory.dmp

memory/1400-188-0x00000148D9E00000-0x00000148DA070000-memory.dmp

memory/1400-187-0x00000148DA100000-0x00000148DA110000-memory.dmp

memory/1400-186-0x00000148DA0F0000-0x00000148DA100000-memory.dmp

memory/1400-185-0x00000148DA0E0000-0x00000148DA0F0000-memory.dmp

memory/1400-184-0x00000148DA0D0000-0x00000148DA0E0000-memory.dmp

memory/1400-183-0x00000148DA0C0000-0x00000148DA0D0000-memory.dmp

memory/1400-182-0x00000148DA0B0000-0x00000148DA0C0000-memory.dmp

C:\Users\Admin\20112024_1724_20112024_PI 2024 60488.jar

MD5 c352ec9211111d441cb54b9a1d92b935
SHA1 e0e83f76c30bf60162aae7fad9284312d17ee3d7
SHA256 11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c
SHA512 236fc61d57974d67332577485383179ab6a07738291accbf834d3363ebb64f4d82ae1a349252d6e9a92f1bbd7d42f4a3e5c3efb03b4df0de29068c4ca3ebfa14

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\lib\system-hook-3.5.jar

MD5 e1aa38a1e78a76a6de73efae136cdb3a
SHA1 c463da71871f780b2e2e5dba115d43953b537daf
SHA256 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512 fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

C:\Users\Admin\lib\jna-5.5.0.jar

MD5 acfb5b5fd9ee10bf69497792fd469f85
SHA1 0e0845217c4907822403912ad6828d8e0b256208
SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512 e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar

MD5 b33387e15ab150a7bf560abdc73c3bec
SHA1 66b8075784131f578ef893fd7674273f709b9a4c
SHA256 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA512 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

C:\Users\Admin\lib\jna-platform-5.5.0.jar

MD5 2f4a99c2758e72ee2b59a73586a2322f
SHA1 af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA256 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512 b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

memory/384-246-0x000001A548CB0000-0x000001A548CB1000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3350944739-639801879-157714471-1000\83aa4cc77f591dfc2374580bbd95f6ba_dd2803c7-d377-4f06-bdfe-aea230fc7b0e

MD5 c8366ae350e7019aefc9d1e6e6a498c6
SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna4079121041668226905.dll

MD5 e02979ecd43bcc9061eb2b494ab5af50
SHA1 3122ac0e751660f646c73b10c4f79685aa65c545
SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA512 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

memory/3000-302-0x000001F857190000-0x000001F857191000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-20 17:24

Reported

2024-11-20 17:29

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

Command Line

java -jar "C:\Users\Admin\AppData\Local\Temp\20112024_1724_20112024_PI 2024 60488.jar"

Signatures

N/A

Processes

C:\Windows\system32\java.exe

java -jar "C:\Users\Admin\AppData\Local\Temp\20112024_1724_20112024_PI 2024 60488.jar"

Network

N/A

Files

memory/2548-2-0x00000000027C0000-0x0000000002A30000-memory.dmp

memory/2548-11-0x0000000000150000-0x0000000000151000-memory.dmp

memory/2548-12-0x00000000027C0000-0x0000000002A30000-memory.dmp