Malware Analysis Report

2024-12-07 20:39

Sample ID 241121-phyeeaskd1
Target Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg.zip
SHA256 cd0efb507debe4ce7d2e881ad977bb030dea0ee3bcf1d9d59552543a143bd60a
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

cd0efb507debe4ce7d2e881ad977bb030dea0ee3bcf1d9d59552543a143bd60a

Threat Level: Known bad

The file Punjb_national_bnk_024_late_return_counta_Inward-clearin_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 12:23

Platform

win7-20241010-en

Max time kernel

148s

Max time network

152s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg.jar

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Punjb_national_bnk_024_late_return_counta_Inward-clearin_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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg.jar\"" C:\Windows\system32\java.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg.jar\"" C:\Windows\system32\java.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2600 wrote to memory of 2948 N/A C:\Windows\system32\java.exe C:\Program Files\Java\jre7\bin\java.exe
PID 2600 wrote to memory of 2948 N/A C:\Windows\system32\java.exe C:\Program Files\Java\jre7\bin\java.exe
PID 2600 wrote to memory of 2948 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\Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg.jar

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

"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Punjb_national_bnk_024_late_return_counta_Inward-clearin_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/2600-2-0x0000000002250000-0x00000000024C0000-memory.dmp

memory/2600-10-0x0000000000330000-0x0000000000331000-memory.dmp

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg.jar

MD5 1a7a05db5686a51ce39c3b35c111d73f
SHA1 c6ba4712046569c3d6601e5d2f85aeecfabef69b
SHA256 bbd5de9d533b350b86e4d9aa54b6545c6e890c4f263ad27433b2c995faf89493
SHA512 f15d3e2f5cd3a10111c87c2f6c1d8d7bf51fab14f9e6c33ffde067a5c7df2d7f81055d0ba331a840a33ba596cb45e782299f626367a928447a08480d41a3a1c9

memory/2600-21-0x0000000002250000-0x00000000024C0000-memory.dmp

memory/2948-22-0x00000000022C0000-0x0000000002530000-memory.dmp

memory/2948-30-0x0000000000130000-0x0000000000131000-memory.dmp

memory/2948-32-0x00000000022C0000-0x0000000002530000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 12:20

Reported

2024-11-21 12:22

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg.jar

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Punjb_national_bnk_024_late_return_counta_Inward-clearin_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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Punjb_national_bnk_024_late_return_counta_Inward-clearin_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\Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Punjb_national_bnk_024_late_return_counta_Inward-clearin_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\Punjb_national_bnk_024_late_return_counta_Inward-clearin_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\Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg.jar"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.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 97.17.167.52.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
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
US 8.8.8.8:53 172.210.232.199.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 96.136.73.23.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 30.243.111.52.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

Files

memory/1684-2-0x000001ECB3510000-0x000001ECB3780000-memory.dmp

memory/1684-13-0x000001ECB3780000-0x000001ECB3790000-memory.dmp

memory/1684-16-0x000001ECB37A0000-0x000001ECB37B0000-memory.dmp

memory/1684-14-0x000001ECB3790000-0x000001ECB37A0000-memory.dmp

memory/1684-19-0x000001ECB37B0000-0x000001ECB37C0000-memory.dmp

memory/1684-20-0x000001ECB37C0000-0x000001ECB37D0000-memory.dmp

memory/1684-24-0x000001ECB37E0000-0x000001ECB37F0000-memory.dmp

memory/1684-25-0x000001ECB34F0000-0x000001ECB34F1000-memory.dmp

memory/1684-22-0x000001ECB37D0000-0x000001ECB37E0000-memory.dmp

memory/1684-28-0x000001ECB37F0000-0x000001ECB3800000-memory.dmp

memory/1684-30-0x000001ECB3800000-0x000001ECB3810000-memory.dmp

memory/1684-32-0x000001ECB3810000-0x000001ECB3820000-memory.dmp

memory/1684-31-0x000001ECB3510000-0x000001ECB3780000-memory.dmp

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Punjb_national_bnk_024_late_return_counta_Inward-clearin_jpg.jar

MD5 1a7a05db5686a51ce39c3b35c111d73f
SHA1 c6ba4712046569c3d6601e5d2f85aeecfabef69b
SHA256 bbd5de9d533b350b86e4d9aa54b6545c6e890c4f263ad27433b2c995faf89493
SHA512 f15d3e2f5cd3a10111c87c2f6c1d8d7bf51fab14f9e6c33ffde067a5c7df2d7f81055d0ba331a840a33ba596cb45e782299f626367a928447a08480d41a3a1c9

memory/1684-50-0x000001ECB3810000-0x000001ECB3820000-memory.dmp

memory/1684-49-0x000001ECB3800000-0x000001ECB3810000-memory.dmp

memory/1684-48-0x000001ECB37F0000-0x000001ECB3800000-memory.dmp

memory/1684-47-0x000001ECB37E0000-0x000001ECB37F0000-memory.dmp

memory/1684-46-0x000001ECB37D0000-0x000001ECB37E0000-memory.dmp

memory/1684-45-0x000001ECB37C0000-0x000001ECB37D0000-memory.dmp

memory/1684-44-0x000001ECB37B0000-0x000001ECB37C0000-memory.dmp

memory/1684-43-0x000001ECB37A0000-0x000001ECB37B0000-memory.dmp

memory/1684-42-0x000001ECB3790000-0x000001ECB37A0000-memory.dmp

memory/1684-41-0x000001ECB3780000-0x000001ECB3790000-memory.dmp

memory/1684-40-0x000001ECB3510000-0x000001ECB3780000-memory.dmp

memory/368-54-0x000001F686E80000-0x000001F6870F0000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/368-67-0x000001F687100000-0x000001F687110000-memory.dmp

memory/368-66-0x000001F6870F0000-0x000001F687100000-memory.dmp

memory/368-69-0x000001F687110000-0x000001F687120000-memory.dmp

memory/368-73-0x000001F687130000-0x000001F687140000-memory.dmp

memory/368-72-0x000001F687120000-0x000001F687130000-memory.dmp

memory/368-77-0x000001F687140000-0x000001F687150000-memory.dmp

memory/368-78-0x000001F687150000-0x000001F687160000-memory.dmp

memory/368-80-0x000001F687160000-0x000001F687170000-memory.dmp

memory/368-83-0x000001F686E60000-0x000001F686E61000-memory.dmp

memory/368-84-0x000001F686E80000-0x000001F6870F0000-memory.dmp

memory/368-85-0x000001F6870F0000-0x000001F687100000-memory.dmp

memory/368-87-0x000001F687100000-0x000001F687110000-memory.dmp

memory/368-88-0x000001F687110000-0x000001F687120000-memory.dmp

memory/368-89-0x000001F687120000-0x000001F687130000-memory.dmp

memory/368-90-0x000001F687130000-0x000001F687140000-memory.dmp

memory/368-91-0x000001F687140000-0x000001F687150000-memory.dmp

memory/368-92-0x000001F687150000-0x000001F687160000-memory.dmp

memory/368-93-0x000001F687160000-0x000001F687170000-memory.dmp

memory/368-96-0x000001F687180000-0x000001F687190000-memory.dmp

memory/368-97-0x000001F687170000-0x000001F687180000-memory.dmp