Malware Analysis Report

2024-12-07 20:39

Sample ID 241122-dmancstkdw
Target cd0efb507debe4ce7d2e881ad977bb030dea0ee3bcf1d9d59552543a143bd60a.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 cd0efb507debe4ce7d2e881ad977bb030dea0ee3bcf1d9d59552543a143bd60a.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 03:07

Signatures

Strrat family

strrat

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-22 03:07

Reported

2024-11-22 03:09

Platform

win7-20240903-en

Max time kernel

145s

Max time network

149s

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-1-5-21-1846800975-3917212583-2893086201-1000\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 2384 wrote to memory of 2692 N/A C:\Windows\system32\java.exe C:\Program Files\Java\jre7\bin\java.exe
PID 2384 wrote to memory of 2692 N/A C:\Windows\system32\java.exe C:\Program Files\Java\jre7\bin\java.exe
PID 2384 wrote to memory of 2692 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
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

Files

memory/2384-2-0x00000000025F0000-0x0000000002860000-memory.dmp

memory/2384-10-0x0000000000140000-0x0000000000141000-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/2384-20-0x00000000025F0000-0x0000000002860000-memory.dmp

memory/2692-21-0x00000000026E0000-0x0000000002950000-memory.dmp

memory/2692-29-0x0000000000250000-0x0000000000251000-memory.dmp

memory/2692-31-0x00000000026E0000-0x0000000002950000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-22 03:07

Reported

2024-11-22 03:09

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

159s

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\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
Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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

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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 202.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.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 prtoacasedted.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 prtoacasedted.3utilities.com udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 9.66.18.2.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
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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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
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 macostopacros.3utilities.com udp
BG 87.120.115.30:3095 macostopacros.3utilities.com tcp
US 8.8.8.8:53 171.117.168.52.in-addr.arpa udp

Files

memory/4876-2-0x000002B900000000-0x000002B900270000-memory.dmp

memory/4876-13-0x000002B900270000-0x000002B900280000-memory.dmp

memory/4876-14-0x000002B900280000-0x000002B900290000-memory.dmp

memory/4876-16-0x000002B900290000-0x000002B9002A0000-memory.dmp

memory/4876-18-0x000002B9002A0000-0x000002B9002B0000-memory.dmp

memory/4876-20-0x000002B9002B0000-0x000002B9002C0000-memory.dmp

memory/4876-22-0x000002B97E560000-0x000002B97E561000-memory.dmp

memory/4876-23-0x000002B9002C0000-0x000002B9002D0000-memory.dmp

memory/4876-26-0x000002B9002D0000-0x000002B9002E0000-memory.dmp

memory/4876-28-0x000002B9002F0000-0x000002B900300000-memory.dmp

memory/4876-35-0x000002B9002E0000-0x000002B9002F0000-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/4876-34-0x000002B900000000-0x000002B900270000-memory.dmp

memory/4876-39-0x000002B900270000-0x000002B900280000-memory.dmp

memory/4876-40-0x000002B900000000-0x000002B900270000-memory.dmp

memory/4876-41-0x000002B900290000-0x000002B9002A0000-memory.dmp

memory/4876-46-0x000002B9002F0000-0x000002B900300000-memory.dmp

memory/4876-45-0x000002B9002D0000-0x000002B9002E0000-memory.dmp

memory/4876-44-0x000002B9002C0000-0x000002B9002D0000-memory.dmp

memory/4376-50-0x00000178DC6C0000-0x00000178DC930000-memory.dmp

memory/4876-43-0x000002B9002B0000-0x000002B9002C0000-memory.dmp

memory/4876-42-0x000002B9002A0000-0x000002B9002B0000-memory.dmp

memory/4876-38-0x000002B900280000-0x000002B900290000-memory.dmp

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

MD5 6863a1a09c96f130662a3c968ced6d95
SHA1 0f772a7c67c39503e078edee36951a2ed2ec5579
SHA256 dace6ebf1088fa5c39e71cd3124092cef49486282bf89661a5eb1d20790ed42e
SHA512 7a217fb88060db5714b782d243726485a92a73572ef980428909c612f05a1bc5370d6bd2d729434a72df81235e6066db17c83994ce8fbff76bbdccafb77bde30

memory/4376-61-0x00000178DC930000-0x00000178DC940000-memory.dmp

memory/4376-63-0x00000178DC940000-0x00000178DC950000-memory.dmp

memory/4376-65-0x00000178DC950000-0x00000178DC960000-memory.dmp

memory/4376-69-0x00000178DC970000-0x00000178DC980000-memory.dmp

memory/4376-68-0x00000178DC960000-0x00000178DC970000-memory.dmp

memory/4376-72-0x00000178DC980000-0x00000178DC990000-memory.dmp

memory/4376-74-0x00000178DC990000-0x00000178DC9A0000-memory.dmp

memory/4376-75-0x00000178DC9A0000-0x00000178DC9B0000-memory.dmp

memory/4376-76-0x00000178DAEA0000-0x00000178DAEA1000-memory.dmp

memory/4376-78-0x00000178DC6C0000-0x00000178DC930000-memory.dmp

memory/4376-80-0x00000178DC930000-0x00000178DC940000-memory.dmp

memory/4376-82-0x00000178DC940000-0x00000178DC950000-memory.dmp

memory/4376-83-0x00000178DC950000-0x00000178DC960000-memory.dmp

memory/4376-84-0x00000178DC960000-0x00000178DC970000-memory.dmp

memory/4376-85-0x00000178DC970000-0x00000178DC980000-memory.dmp

memory/4376-86-0x00000178DC980000-0x00000178DC990000-memory.dmp

memory/4376-87-0x00000178DC990000-0x00000178DC9A0000-memory.dmp

memory/4376-88-0x00000178DC9A0000-0x00000178DC9B0000-memory.dmp

memory/4376-90-0x00000178DC9B0000-0x00000178DC9C0000-memory.dmp

memory/4376-91-0x00000178DC9B0000-0x00000178DC9C0000-memory.dmp