Malware Analysis Report

2025-06-16 01:03

Sample ID 211218-krml2sfedm
Target SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.jar
SHA256 ad13f2f5590aa12b204c3713520f605595ab04f468577424effd742251a35712
Tags
strrat persistence stealer suricata trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

ad13f2f5590aa12b204c3713520f605595ab04f468577424effd742251a35712

Threat Level: Known bad

The file SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.jar was found to be: Known bad.

Malicious Activity Summary

strrat persistence stealer suricata trojan

STRRAT

suricata: ET MALWARE STRRAT Initial HTTP Activity

Drops startup file

Loads dropped DLL

Adds Run key to start application

Drops file in Program Files directory

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-12-18 08:50

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-12-18 08:50

Reported

2021-12-18 08:52

Platform

win7-en-20211208

Max time kernel

149s

Max time network

149s

Command Line

java -jar "C:\Users\Admin\AppData\Local\Temp\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.jar"

Signatures

STRRAT

trojan stealer strrat

suricata: ET MALWARE STRRAT Initial HTTP Activity

suricata

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.jar C:\Program Files\Java\jre7\bin\java.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Program Files\Java\jre7\bin\java.exe N/A
N/A N/A C:\Program Files\Java\jre7\bin\java.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.jar\"" C:\Program Files\Java\jre7\bin\java.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.jar\"" C:\Program Files\Java\jre7\bin\java.exe N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A

Processes

C:\Windows\system32\java.exe

java -jar "C:\Users\Admin\AppData\Local\Temp\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.jar"

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

"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.jar"

C:\Windows\system32\cmd.exe

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

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

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

C:\Windows\system32\schtasks.exe

schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.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 199.232.192.209:443 repo1.maven.org tcp
US 199.232.192.209:443 repo1.maven.org tcp
US 199.232.192.209:443 repo1.maven.org tcp
US 140.82.113.3:443 github.com tcp
US 8.8.8.8:53 objects.githubusercontent.com udp
US 185.199.108.133:443 objects.githubusercontent.com tcp
US 8.8.8.8:53 str-master.pw udp
DE 142.93.110.250:80 str-master.pw tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp
CA 198.27.77.242:1788 tcp
CA 198.27.77.242:1776 tcp

Files

memory/1752-55-0x000007FEFC261000-0x000007FEFC263000-memory.dmp

memory/1752-56-0x00000000020B0000-0x0000000002320000-memory.dmp

memory/1752-57-0x00000000020B0000-0x0000000002320000-memory.dmp

memory/1752-58-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1752-59-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1752-62-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1752-63-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1752-64-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1752-65-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1752-66-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1880-69-0x0000000000000000-mapping.dmp

C:\Users\Admin\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.jar

MD5 25d7be8c2f534dca289f50a193a5418d
SHA1 020aa3a275641eb88e07df1ed222f14944f80785
SHA256 ad13f2f5590aa12b204c3713520f605595ab04f468577424effd742251a35712
SHA512 9ccd9bf4756aa464fd9eb516448ad9f650c38ebed61f0a0eb3979b66c4f8e57f84bbc0b62c437fd56a7fc5e7c798f42a6da10f4edabf2b52e51bed970f35845e

memory/1880-74-0x00000000022A0000-0x0000000002510000-memory.dmp

memory/1880-75-0x0000000000220000-0x0000000000221000-memory.dmp

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

MD5 e1aa38a1e78a76a6de73efae136cdb3a
SHA1 c463da71871f780b2e2e5dba115d43953b537daf
SHA256 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512 fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

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

MD5 acfb5b5fd9ee10bf69497792fd469f85
SHA1 0e0845217c4907822403912ad6828d8e0b256208
SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512 e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

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

MD5 2f4a99c2758e72ee2b59a73586a2322f
SHA1 af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA256 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512 b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2329389628-4064185017-3901522362-1000\83aa4cc77f591dfc2374580bbd95f6ba_3bd845b8-ce6a-4337-9974-31490196462a

MD5 c8366ae350e7019aefc9d1e6e6a498c6
SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

\Users\Admin\AppData\Local\Temp\jna-63116079\jna296939601407622442.dll

MD5 e02979ecd43bcc9061eb2b494ab5af50
SHA1 3122ac0e751660f646c73b10c4f79685aa65c545
SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA512 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar

MD5 b33387e15ab150a7bf560abdc73c3bec
SHA1 66b8075784131f578ef893fd7674273f709b9a4c
SHA256 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA512 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

memory/1716-83-0x0000000000000000-mapping.dmp

memory/1648-84-0x0000000000000000-mapping.dmp

memory/848-88-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.jar

MD5 25d7be8c2f534dca289f50a193a5418d
SHA1 020aa3a275641eb88e07df1ed222f14944f80785
SHA256 ad13f2f5590aa12b204c3713520f605595ab04f468577424effd742251a35712
SHA512 9ccd9bf4756aa464fd9eb516448ad9f650c38ebed61f0a0eb3979b66c4f8e57f84bbc0b62c437fd56a7fc5e7c798f42a6da10f4edabf2b52e51bed970f35845e

memory/1880-87-0x0000000000220000-0x0000000000221000-memory.dmp

memory/1880-94-0x0000000000220000-0x0000000000221000-memory.dmp

memory/1648-97-0x00000000021E0000-0x0000000002450000-memory.dmp

memory/1648-96-0x0000000000120000-0x0000000000121000-memory.dmp

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

MD5 e1aa38a1e78a76a6de73efae136cdb3a
SHA1 c463da71871f780b2e2e5dba115d43953b537daf
SHA256 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512 fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna296939601407622442.dll

MD5 e02979ecd43bcc9061eb2b494ab5af50
SHA1 3122ac0e751660f646c73b10c4f79685aa65c545
SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA512 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

C:\Users\Admin\AppData\Roaming\lib\jna-platform-5.5.0.jar

MD5 2f4a99c2758e72ee2b59a73586a2322f
SHA1 af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA256 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512 b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

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

MD5 acfb5b5fd9ee10bf69497792fd469f85
SHA1 0e0845217c4907822403912ad6828d8e0b256208
SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512 e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

\Users\Admin\AppData\Local\Temp\jna-63116079\jna7038471230880191132.dll

MD5 e02979ecd43bcc9061eb2b494ab5af50
SHA1 3122ac0e751660f646c73b10c4f79685aa65c545
SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA512 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

C:\Users\Admin\AppData\Roaming\lib\sqlite-jdbc-3.14.2.1.jar

MD5 b33387e15ab150a7bf560abdc73c3bec
SHA1 66b8075784131f578ef893fd7674273f709b9a4c
SHA256 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA512 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

memory/1648-104-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1648-134-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1648-135-0x0000000000120000-0x0000000000121000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-12-18 08:50

Reported

2021-12-18 08:52

Platform

win10-en-20211208

Max time kernel

121s

Max time network

124s

Command Line

java -jar "C:\Users\Admin\AppData\Local\Temp\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.jar"

Signatures

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\jvm.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\dll\jvm.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\ntdll.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\dll\ntdll.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\ntdll.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\dll\jvm.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\jvm.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\jvm.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\jvm.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\ntdll.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\dll\ntdll.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\ntdll.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A

Processes

C:\ProgramData\Oracle\Java\javapath\java.exe

java -jar "C:\Users\Admin\AppData\Local\Temp\SHIPMENT_DOCUMENTS_BL_INV_PKLISTS XLS.jar"

Network

Country Destination Domain Proto
US 52.109.12.20:443 tcp
US 8.8.8.8:53 time.windows.com udp
NL 20.101.57.9:123 time.windows.com udp

Files

memory/3356-117-0x0000000002610000-0x0000000002880000-memory.dmp

memory/3356-118-0x0000000002610000-0x0000000002880000-memory.dmp

memory/3356-119-0x0000000000750000-0x0000000000751000-memory.dmp

memory/3356-121-0x0000000000750000-0x0000000000751000-memory.dmp

memory/3356-123-0x0000000002890000-0x00000000028A0000-memory.dmp

memory/3356-122-0x0000000002880000-0x0000000002890000-memory.dmp

memory/3356-124-0x00000000028A0000-0x00000000028B0000-memory.dmp

memory/3356-125-0x00000000028B0000-0x00000000028C0000-memory.dmp