Malware Analysis Report

2024-12-07 20:38

Sample ID 241122-dna1hstkgy
Target d5ef3d0d2411cc91483eab430122e8007e04b4b995f1d4940c2bd3024ce65244.zip
SHA256 d5ef3d0d2411cc91483eab430122e8007e04b4b995f1d4940c2bd3024ce65244
Tags
strrat persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d5ef3d0d2411cc91483eab430122e8007e04b4b995f1d4940c2bd3024ce65244

Threat Level: Known bad

The file d5ef3d0d2411cc91483eab430122e8007e04b4b995f1d4940c2bd3024ce65244.zip was found to be: Known bad.

Malicious Activity Summary

strrat persistence

Strrat family

Drops startup file

Adds Run key to start application

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-22 03:08

Signatures

Strrat family

strrat

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-22 03:08

Reported

2024-11-22 03:11

Platform

win7-20240903-en

Max time kernel

149s

Max time network

150s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\Internet_bnk_details_neft-issues_jpg.jar

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Internet_bnk_details_neft-issues_jpg.jar C:\Windows\system32\java.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Internet_bnk_details_neft-issues_jpg = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Internet_bnk_details_neft-issues_jpg.jar\"" C:\Windows\system32\java.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Internet_bnk_details_neft-issues_jpg = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Internet_bnk_details_neft-issues_jpg.jar\"" C:\Windows\system32\java.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2872 wrote to memory of 2072 N/A C:\Windows\system32\java.exe C:\Program Files\Java\jre7\bin\java.exe
PID 2872 wrote to memory of 2072 N/A C:\Windows\system32\java.exe C:\Program Files\Java\jre7\bin\java.exe
PID 2872 wrote to memory of 2072 N/A C:\Windows\system32\java.exe C:\Program Files\Java\jre7\bin\java.exe

Processes

C:\Windows\system32\java.exe

java -jar C:\Users\Admin\AppData\Local\Temp\Internet_bnk_details_neft-issues_jpg.jar

C:\Program Files\Java\jre7\bin\java.exe

"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Internet_bnk_details_neft-issues_jpg.jar"

Network

Country Destination Domain Proto
US 8.8.8.8:53 macostopacros.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 macostopacros.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 macostopacros.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 macostopacros.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp

Files

memory/2872-2-0x00000000024B0000-0x0000000002720000-memory.dmp

memory/2872-10-0x0000000001C70000-0x0000000001C71000-memory.dmp

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Internet_bnk_details_neft-issues_jpg.jar

MD5 1a7a05db5686a51ce39c3b35c111d73f
SHA1 c6ba4712046569c3d6601e5d2f85aeecfabef69b
SHA256 bbd5de9d533b350b86e4d9aa54b6545c6e890c4f263ad27433b2c995faf89493
SHA512 f15d3e2f5cd3a10111c87c2f6c1d8d7bf51fab14f9e6c33ffde067a5c7df2d7f81055d0ba331a840a33ba596cb45e782299f626367a928447a08480d41a3a1c9

memory/2872-16-0x0000000001C70000-0x0000000001C71000-memory.dmp

memory/2872-18-0x00000000024B0000-0x0000000002720000-memory.dmp

memory/2072-21-0x00000000025F0000-0x0000000002860000-memory.dmp

memory/2072-29-0x0000000000240000-0x0000000000241000-memory.dmp

memory/2072-30-0x0000000000240000-0x0000000000241000-memory.dmp

memory/2072-31-0x00000000025F0000-0x0000000002860000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-22 03:08

Reported

2024-11-22 03:11

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

151s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\Internet_bnk_details_neft-issues_jpg.jar

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Internet_bnk_details_neft-issues_jpg.jar C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Internet_bnk_details_neft-issues_jpg = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Internet_bnk_details_neft-issues_jpg.jar\"" C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Internet_bnk_details_neft-issues_jpg = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Internet_bnk_details_neft-issues_jpg.jar\"" C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe N/A

Processes

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

java -jar C:\Users\Admin\AppData\Local\Temp\Internet_bnk_details_neft-issues_jpg.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\Internet_bnk_details_neft-issues_jpg.jar"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 macostopacros.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
US 8.8.8.8:53 24.66.18.2.in-addr.arpa udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 218.110.86.104.in-addr.arpa udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
US 8.8.8.8:53 macostopacros.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp

Files

memory/3304-2-0x000001BD930D0000-0x000001BD93340000-memory.dmp

memory/3304-11-0x000001BD918D0000-0x000001BD918D1000-memory.dmp

memory/3304-13-0x000001BD93340000-0x000001BD93350000-memory.dmp

memory/3304-15-0x000001BD93350000-0x000001BD93360000-memory.dmp

memory/3304-17-0x000001BD93360000-0x000001BD93370000-memory.dmp

memory/3304-21-0x000001BD93380000-0x000001BD93390000-memory.dmp

memory/3304-20-0x000001BD93370000-0x000001BD93380000-memory.dmp

memory/3304-25-0x000001BD933A0000-0x000001BD933B0000-memory.dmp

memory/3304-24-0x000001BD93390000-0x000001BD933A0000-memory.dmp

memory/3304-28-0x000001BD933B0000-0x000001BD933C0000-memory.dmp

memory/3304-30-0x000001BD933C0000-0x000001BD933D0000-memory.dmp

memory/3304-29-0x000001BD930D0000-0x000001BD93340000-memory.dmp

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Internet_bnk_details_neft-issues_jpg.jar

MD5 1a7a05db5686a51ce39c3b35c111d73f
SHA1 c6ba4712046569c3d6601e5d2f85aeecfabef69b
SHA256 bbd5de9d533b350b86e4d9aa54b6545c6e890c4f263ad27433b2c995faf89493
SHA512 f15d3e2f5cd3a10111c87c2f6c1d8d7bf51fab14f9e6c33ffde067a5c7df2d7f81055d0ba331a840a33ba596cb45e782299f626367a928447a08480d41a3a1c9

memory/3304-47-0x000001BD933C0000-0x000001BD933D0000-memory.dmp

memory/3304-46-0x000001BD933B0000-0x000001BD933C0000-memory.dmp

memory/3304-45-0x000001BD933A0000-0x000001BD933B0000-memory.dmp

memory/3304-44-0x000001BD93390000-0x000001BD933A0000-memory.dmp

memory/3304-43-0x000001BD93380000-0x000001BD93390000-memory.dmp

memory/3304-42-0x000001BD93370000-0x000001BD93380000-memory.dmp

memory/3304-41-0x000001BD93360000-0x000001BD93370000-memory.dmp

memory/3304-40-0x000001BD93350000-0x000001BD93360000-memory.dmp

memory/3304-39-0x000001BD93340000-0x000001BD93350000-memory.dmp

memory/3304-38-0x000001BD930D0000-0x000001BD93340000-memory.dmp

memory/2008-51-0x000001A60AAA0000-0x000001A60AD10000-memory.dmp

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

MD5 5cb6794cb82ace7e56bcc8e7f0fa50ee
SHA1 69d08a3dbc8a192ddc590009ce203d0835a43f31
SHA256 0f463b90baa20a5c967734deac1e3ae00f13dd19e24f111e08d8863ff00d1bd2
SHA512 5b06844b45578fd743dc61e06a609b70074714006be802f483ccd71330adfe7dc594ac3cbd72520207c4b02548a667f1857bf2d98417078c7fbca00c5ac7eeda

memory/2008-62-0x000001A60AA80000-0x000001A60AA81000-memory.dmp

memory/2008-63-0x000001A60AD10000-0x000001A60AD20000-memory.dmp

memory/2008-65-0x000001A60AD20000-0x000001A60AD30000-memory.dmp

memory/2008-67-0x000001A60AD30000-0x000001A60AD40000-memory.dmp

memory/2008-70-0x000001A60AD40000-0x000001A60AD50000-memory.dmp

memory/2008-71-0x000001A60AD50000-0x000001A60AD60000-memory.dmp

memory/2008-74-0x000001A60AD60000-0x000001A60AD70000-memory.dmp

memory/2008-75-0x000001A60AD70000-0x000001A60AD80000-memory.dmp

memory/2008-77-0x000001A60AD80000-0x000001A60AD90000-memory.dmp

memory/2008-79-0x000001A60AAA0000-0x000001A60AD10000-memory.dmp

memory/2008-80-0x000001A60AD10000-0x000001A60AD20000-memory.dmp

memory/2008-82-0x000001A60AD20000-0x000001A60AD30000-memory.dmp

memory/2008-83-0x000001A60AD30000-0x000001A60AD40000-memory.dmp

memory/2008-84-0x000001A60AD40000-0x000001A60AD50000-memory.dmp

memory/2008-85-0x000001A60AD50000-0x000001A60AD60000-memory.dmp

memory/2008-86-0x000001A60AD60000-0x000001A60AD70000-memory.dmp

memory/2008-87-0x000001A60AD70000-0x000001A60AD80000-memory.dmp