Malware Analysis Report

2024-12-07 20:39

Sample ID 241121-phx4ms1gnd
Target Internet_bnk_details_neft-issues_jpg.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 Internet_bnk_details_neft-issues_jpg.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

2024-11-21 12:20

Signatures

Strrat family

strrat

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 12:20

Reported

2024-11-21 12:24

Platform

win7-20240903-en

Max time kernel

145s

Max time network

146s

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-1-5-21-1488793075-819845221-1497111674-1000\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 2112 wrote to memory of 2804 N/A C:\Windows\system32\java.exe C:\Program Files\Java\jre7\bin\java.exe
PID 2112 wrote to memory of 2804 N/A C:\Windows\system32\java.exe C:\Program Files\Java\jre7\bin\java.exe
PID 2112 wrote to memory of 2804 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
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
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

Files

memory/2112-2-0x0000000002680000-0x00000000028F0000-memory.dmp

memory/2112-10-0x0000000000340000-0x0000000000341000-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/2112-18-0x0000000002680000-0x00000000028F0000-memory.dmp

memory/2804-21-0x0000000002520000-0x0000000002790000-memory.dmp

memory/2804-29-0x00000000005D0000-0x00000000005D1000-memory.dmp

memory/2804-30-0x00000000005D0000-0x00000000005D1000-memory.dmp

memory/2804-31-0x0000000002520000-0x0000000002790000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 12:20

Reported

2024-11-21 12:24

Platform

win10v2004-20241007-en

Max time kernel

150s

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-1-5-21-940901362-3608833189-1915618603-1000\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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 217.106.137.52.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 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
US 8.8.8.8:53 71.208.201.84.in-addr.arpa 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 70.209.201.84.in-addr.arpa udp
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 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
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
US 8.8.8.8:53 138.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa 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
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
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

Files

memory/1808-2-0x000001E6199E0000-0x000001E619C50000-memory.dmp

memory/1808-13-0x000001E619C50000-0x000001E619C60000-memory.dmp

memory/1808-14-0x000001E619C60000-0x000001E619C70000-memory.dmp

memory/1808-16-0x000001E619C70000-0x000001E619C80000-memory.dmp

memory/1808-21-0x000001E619C90000-0x000001E619CA0000-memory.dmp

memory/1808-20-0x000001E619C80000-0x000001E619C90000-memory.dmp

memory/1808-19-0x000001E6199C0000-0x000001E6199C1000-memory.dmp

memory/1808-23-0x000001E619CA0000-0x000001E619CB0000-memory.dmp

memory/1808-27-0x000001E619CC0000-0x000001E619CD0000-memory.dmp

memory/1808-26-0x000001E619CB0000-0x000001E619CC0000-memory.dmp

memory/1808-30-0x000001E619CD0000-0x000001E619CE0000-memory.dmp

memory/1808-29-0x000001E6199E0000-0x000001E619C50000-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/1808-42-0x000001E619C70000-0x000001E619C80000-memory.dmp

memory/1808-43-0x000001E619C80000-0x000001E619C90000-memory.dmp

memory/1808-48-0x000001E619CD0000-0x000001E619CE0000-memory.dmp

memory/1808-47-0x000001E619CC0000-0x000001E619CD0000-memory.dmp

memory/1808-46-0x000001E619CB0000-0x000001E619CC0000-memory.dmp

memory/1808-45-0x000001E619CA0000-0x000001E619CB0000-memory.dmp

memory/1808-44-0x000001E6199E0000-0x000001E619C50000-memory.dmp

memory/1808-41-0x000001E619C60000-0x000001E619C70000-memory.dmp

memory/4932-52-0x000001A980000000-0x000001A980270000-memory.dmp

memory/1808-40-0x000001E619C50000-0x000001E619C60000-memory.dmp

memory/1808-39-0x000001E619C90000-0x000001E619CA0000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/4932-63-0x000001A980270000-0x000001A980280000-memory.dmp

memory/4932-66-0x000001A980280000-0x000001A980290000-memory.dmp

memory/4932-67-0x000001A980290000-0x000001A9802A0000-memory.dmp

memory/4932-69-0x000001A9802A0000-0x000001A9802B0000-memory.dmp

memory/4932-71-0x000001A9802B0000-0x000001A9802C0000-memory.dmp

memory/4932-74-0x000001A9802C0000-0x000001A9802D0000-memory.dmp

memory/4932-77-0x000001A9802E0000-0x000001A9802F0000-memory.dmp

memory/4932-76-0x000001A9802D0000-0x000001A9802E0000-memory.dmp

memory/4932-78-0x000001A9F77F0000-0x000001A9F77F1000-memory.dmp

memory/4932-79-0x000001A980000000-0x000001A980270000-memory.dmp

memory/4932-80-0x000001A980270000-0x000001A980280000-memory.dmp

memory/4932-82-0x000001A980280000-0x000001A980290000-memory.dmp

memory/4932-83-0x000001A980290000-0x000001A9802A0000-memory.dmp

memory/4932-84-0x000001A9802A0000-0x000001A9802B0000-memory.dmp

memory/4932-85-0x000001A9802B0000-0x000001A9802C0000-memory.dmp

memory/4932-86-0x000001A9802C0000-0x000001A9802D0000-memory.dmp

memory/4932-87-0x000001A9802D0000-0x000001A9802E0000-memory.dmp

memory/4932-88-0x000001A9802E0000-0x000001A9802F0000-memory.dmp

memory/4932-93-0x000001A9802F0000-0x000001A980300000-memory.dmp

memory/4932-94-0x000001A9802F0000-0x000001A980300000-memory.dmp