Malware Analysis Report

2024-12-07 20:39

Sample ID 241121-dbrgqsyja1
Target 11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.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 11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.jar was found to be: Known bad.

Malicious Activity Summary

strrat persistence stealer trojan

STRRAT

Strrat family

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

2024-11-21 02:50

Signatures

Strrat family

strrat

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 02:50

Reported

2024-11-21 02:52

Platform

win10v2004-20241007-en

Max time kernel

124s

Max time network

140s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.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\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.jar\"" C:\Program Files\Java\jre-1.8\bin\java.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.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\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.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\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.jar"

C:\Windows\SYSTEM32\cmd.exe

cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.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\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.jar"

C:\Windows\system32\schtasks.exe

schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.jar"

Network

Country Destination Domain Proto
US 8.8.8.8:53 repo1.maven.org udp
US 8.8.8.8:53 github.com udp
US 199.232.196.209:443 repo1.maven.org tcp
US 199.232.196.209:443 repo1.maven.org tcp
GB 20.26.156.215:443 github.com tcp
US 199.232.196.209:443 repo1.maven.org tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 objects.githubusercontent.com udp
US 185.199.109.133:443 objects.githubusercontent.com tcp
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 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 133.109.199.185.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 badmiles.ddns.net udp
PT 185.228.3.82:5055 badmiles.ddns.net tcp
PT 185.228.3.82:5055 badmiles.ddns.net tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
PT 185.228.3.82:5055 badmiles.ddns.net tcp
PT 185.228.3.82:5055 badmiles.ddns.net tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 badmiles.ddns.net udp
PT 185.228.3.82:5055 badmiles.ddns.net tcp
PT 185.228.3.82:5055 badmiles.ddns.net tcp

Files

memory/1048-2-0x0000023A02730000-0x0000023A029A0000-memory.dmp

memory/1048-12-0x0000023A029A0000-0x0000023A029B0000-memory.dmp

memory/1048-14-0x0000023A029B0000-0x0000023A029C0000-memory.dmp

memory/1048-16-0x0000023A029C0000-0x0000023A029D0000-memory.dmp

memory/1048-20-0x0000023A029E0000-0x0000023A029F0000-memory.dmp

memory/1048-19-0x0000023A029D0000-0x0000023A029E0000-memory.dmp

memory/1048-23-0x0000023A029F0000-0x0000023A02A00000-memory.dmp

memory/1048-30-0x0000023A02A10000-0x0000023A02A20000-memory.dmp

memory/1048-32-0x0000023A02A20000-0x0000023A02A30000-memory.dmp

memory/1048-31-0x0000023A02A00000-0x0000023A02A10000-memory.dmp

memory/1048-34-0x0000023A02A30000-0x0000023A02A40000-memory.dmp

memory/1048-44-0x0000023A02710000-0x0000023A02711000-memory.dmp

memory/1048-43-0x0000023A029A0000-0x0000023A029B0000-memory.dmp

memory/1048-42-0x0000023A02A60000-0x0000023A02A70000-memory.dmp

memory/1048-41-0x0000023A02A50000-0x0000023A02A60000-memory.dmp

memory/1048-40-0x0000023A02A40000-0x0000023A02A50000-memory.dmp

memory/1048-38-0x0000023A02730000-0x0000023A029A0000-memory.dmp

memory/1048-46-0x0000023A02A70000-0x0000023A02A80000-memory.dmp

memory/1048-45-0x0000023A029B0000-0x0000023A029C0000-memory.dmp

memory/1048-49-0x0000023A02A80000-0x0000023A02A90000-memory.dmp

memory/1048-48-0x0000023A029C0000-0x0000023A029D0000-memory.dmp

memory/1048-55-0x0000023A02AA0000-0x0000023A02AB0000-memory.dmp

memory/1048-54-0x0000023A02A90000-0x0000023A02AA0000-memory.dmp

memory/1048-53-0x0000023A029E0000-0x0000023A029F0000-memory.dmp

memory/1048-52-0x0000023A029D0000-0x0000023A029E0000-memory.dmp

memory/1048-58-0x0000023A02AB0000-0x0000023A02AC0000-memory.dmp

memory/1048-57-0x0000023A029F0000-0x0000023A02A00000-memory.dmp

memory/1048-63-0x0000023A02A00000-0x0000023A02A10000-memory.dmp

memory/1048-65-0x0000023A02AC0000-0x0000023A02AD0000-memory.dmp

memory/1048-64-0x0000023A02A20000-0x0000023A02A30000-memory.dmp

memory/1048-62-0x0000023A02A10000-0x0000023A02A20000-memory.dmp

memory/1048-66-0x0000023A02710000-0x0000023A02711000-memory.dmp

memory/1048-69-0x0000023A02AD0000-0x0000023A02AE0000-memory.dmp

memory/1048-81-0x0000023A02B00000-0x0000023A02B10000-memory.dmp

memory/1048-87-0x0000023A02B40000-0x0000023A02B50000-memory.dmp

memory/1048-86-0x0000023A02A50000-0x0000023A02A60000-memory.dmp

memory/1048-85-0x0000023A02A40000-0x0000023A02A50000-memory.dmp

memory/1048-84-0x0000023A02B30000-0x0000023A02B40000-memory.dmp

memory/1048-83-0x0000023A02B20000-0x0000023A02B30000-memory.dmp

memory/1048-82-0x0000023A02B10000-0x0000023A02B20000-memory.dmp

memory/1048-80-0x0000023A02AF0000-0x0000023A02B00000-memory.dmp

memory/1048-79-0x0000023A02AE0000-0x0000023A02AF0000-memory.dmp

memory/1048-78-0x0000023A02A30000-0x0000023A02A40000-memory.dmp

memory/1048-93-0x0000023A02A60000-0x0000023A02A70000-memory.dmp

memory/1048-94-0x0000023A02B50000-0x0000023A02B60000-memory.dmp

memory/1048-95-0x0000023A02710000-0x0000023A02711000-memory.dmp

memory/1048-97-0x0000023A02A70000-0x0000023A02A80000-memory.dmp

memory/1048-98-0x0000023A02B60000-0x0000023A02B70000-memory.dmp

memory/1048-101-0x0000023A02B70000-0x0000023A02B80000-memory.dmp

memory/1048-100-0x0000023A02A80000-0x0000023A02A90000-memory.dmp

memory/1048-103-0x0000023A02A90000-0x0000023A02AA0000-memory.dmp

memory/1048-104-0x0000023A02AA0000-0x0000023A02AB0000-memory.dmp

memory/1048-105-0x0000023A02B80000-0x0000023A02B90000-memory.dmp

memory/1048-106-0x0000023A02710000-0x0000023A02711000-memory.dmp

memory/1048-108-0x0000023A02B90000-0x0000023A02BA0000-memory.dmp

memory/1048-110-0x0000023A02AB0000-0x0000023A02AC0000-memory.dmp

memory/1048-111-0x0000023A02BA0000-0x0000023A02BB0000-memory.dmp

memory/1048-114-0x0000023A02BB0000-0x0000023A02BC0000-memory.dmp

memory/1048-113-0x0000023A02AC0000-0x0000023A02AD0000-memory.dmp

memory/1048-116-0x0000023A02710000-0x0000023A02711000-memory.dmp

memory/1048-120-0x0000023A02AD0000-0x0000023A02AE0000-memory.dmp

memory/1048-122-0x0000023A02BC0000-0x0000023A02BD0000-memory.dmp

memory/1048-121-0x0000023A02B00000-0x0000023A02B10000-memory.dmp

memory/1048-124-0x0000023A02AE0000-0x0000023A02AF0000-memory.dmp

memory/1048-129-0x0000023A02BD0000-0x0000023A02BE0000-memory.dmp

memory/1048-128-0x0000023A02B30000-0x0000023A02B40000-memory.dmp

memory/1048-127-0x0000023A02B20000-0x0000023A02B30000-memory.dmp

memory/1048-126-0x0000023A02B10000-0x0000023A02B20000-memory.dmp

memory/1048-125-0x0000023A02AF0000-0x0000023A02B00000-memory.dmp

memory/1048-134-0x0000023A02B40000-0x0000023A02B50000-memory.dmp

memory/1048-135-0x0000023A02BE0000-0x0000023A02BF0000-memory.dmp

memory/1048-141-0x0000023A02710000-0x0000023A02711000-memory.dmp

memory/1048-142-0x0000023A02B50000-0x0000023A02B60000-memory.dmp

memory/1048-144-0x0000023A02B60000-0x0000023A02B70000-memory.dmp

memory/1048-145-0x0000023A02B70000-0x0000023A02B80000-memory.dmp

memory/1048-147-0x0000023A02710000-0x0000023A02711000-memory.dmp

memory/1048-148-0x0000023A02710000-0x0000023A02711000-memory.dmp

memory/1048-152-0x0000023A029C0000-0x0000023A029D0000-memory.dmp

memory/1048-155-0x0000023A029F0000-0x0000023A02A00000-memory.dmp

memory/1048-163-0x0000023A02A70000-0x0000023A02A80000-memory.dmp

memory/1048-175-0x0000023A02B90000-0x0000023A02BA0000-memory.dmp

memory/1048-174-0x0000023A02B80000-0x0000023A02B90000-memory.dmp

memory/1048-173-0x0000023A02B50000-0x0000023A02B60000-memory.dmp

C:\Users\Admin\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.jar

MD5 c352ec9211111d441cb54b9a1d92b935
SHA1 e0e83f76c30bf60162aae7fad9284312d17ee3d7
SHA256 11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c
SHA512 236fc61d57974d67332577485383179ab6a07738291accbf834d3363ebb64f4d82ae1a349252d6e9a92f1bbd7d42f4a3e5c3efb03b4df0de29068c4ca3ebfa14

memory/1048-172-0x0000023A02B00000-0x0000023A02B10000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/1048-171-0x0000023A02B20000-0x0000023A02B30000-memory.dmp

memory/1048-170-0x0000023A02B10000-0x0000023A02B20000-memory.dmp

memory/1048-169-0x0000023A02AF0000-0x0000023A02B00000-memory.dmp

memory/1048-168-0x0000023A02AE0000-0x0000023A02AF0000-memory.dmp

memory/1048-167-0x0000023A02AD0000-0x0000023A02AE0000-memory.dmp

memory/1048-166-0x0000023A02AA0000-0x0000023A02AB0000-memory.dmp

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

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

MD5 acfb5b5fd9ee10bf69497792fd469f85
SHA1 0e0845217c4907822403912ad6828d8e0b256208
SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512 e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

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

MD5 e1aa38a1e78a76a6de73efae136cdb3a
SHA1 c463da71871f780b2e2e5dba115d43953b537daf
SHA256 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512 fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

memory/1048-165-0x0000023A02A90000-0x0000023A02AA0000-memory.dmp

memory/1048-164-0x0000023A02A80000-0x0000023A02A90000-memory.dmp

memory/1048-162-0x0000023A02730000-0x0000023A029A0000-memory.dmp

memory/1048-161-0x0000023A02A50000-0x0000023A02A60000-memory.dmp

memory/1048-160-0x0000023A02A40000-0x0000023A02A50000-memory.dmp

memory/1048-159-0x0000023A02A30000-0x0000023A02A40000-memory.dmp

memory/1048-158-0x0000023A02A20000-0x0000023A02A30000-memory.dmp

memory/1048-157-0x0000023A02A00000-0x0000023A02A10000-memory.dmp

memory/1048-156-0x0000023A02A10000-0x0000023A02A20000-memory.dmp

memory/1048-154-0x0000023A029E0000-0x0000023A029F0000-memory.dmp

memory/1048-153-0x0000023A029D0000-0x0000023A029E0000-memory.dmp

memory/1048-151-0x0000023A029B0000-0x0000023A029C0000-memory.dmp

memory/1048-150-0x0000023A029A0000-0x0000023A029B0000-memory.dmp

memory/1048-149-0x0000023A02A60000-0x0000023A02A70000-memory.dmp

memory/1776-220-0x000001FD7A210000-0x000001FD7A211000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3756129449-3121373848-4276368241-1000\83aa4cc77f591dfc2374580bbd95f6ba_a63d6fdc-08cb-4232-ab51-76cafdcb4d96

MD5 c8366ae350e7019aefc9d1e6e6a498c6
SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6845591508219502796.dll

MD5 e02979ecd43bcc9061eb2b494ab5af50
SHA1 3122ac0e751660f646c73b10c4f79685aa65c545
SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA512 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

memory/3444-263-0x000001CA305A0000-0x000001CA305A1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 02:50

Reported

2024-11-21 02:52

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.jar

Signatures

N/A

Processes

C:\Windows\system32\java.exe

java -jar C:\Users\Admin\AppData\Local\Temp\11f48863ce899743c5276b47296e3ba355b3974f1b22401c6c1d90a8ec81321c.jar

Network

N/A

Files

memory/2376-2-0x0000000002680000-0x00000000028F0000-memory.dmp

memory/2376-11-0x0000000000450000-0x0000000000451000-memory.dmp

memory/2376-12-0x0000000002680000-0x00000000028F0000-memory.dmp