Malware Analysis Report

2025-06-16 01:02

Sample ID 211207-sy6mhadge8
Target DOCUMENTS FOR SHIPMENTS PDF XLS.jar
SHA256 bb3be9616c4b23e2f5cda17b56b8656a5d71f643fdf545056c97a242b69a6115
Tags
strrat persistence stealer 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

bb3be9616c4b23e2f5cda17b56b8656a5d71f643fdf545056c97a242b69a6115

Threat Level: Known bad

The file DOCUMENTS FOR SHIPMENTS PDF XLS.jar was found to be: Known bad.

Malicious Activity Summary

strrat persistence stealer trojan

STRRAT

Loads dropped DLL

Drops startup file

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

2021-12-07 15:33

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-12-07 15:33

Reported

2021-12-07 15:35

Platform

win7-en-20211014

Max time kernel

141s

Max time network

150s

Command Line

java -jar "C:\Users\Admin\AppData\Local\Temp\DOCUMENTS FOR SHIPMENTS PDF XLS.jar"

Signatures

STRRAT

trojan stealer strrat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DOCUMENTS FOR SHIPMENTS PDF 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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\DOCUMENTS FOR SHIPMENTS PDF XLS = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\DOCUMENTS FOR SHIPMENTS PDF XLS.jar\"" C:\Program Files\Java\jre7\bin\java.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DOCUMENTS FOR SHIPMENTS PDF XLS = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\DOCUMENTS FOR SHIPMENTS PDF 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\DOCUMENTS FOR SHIPMENTS PDF XLS.jar"

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

"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\DOCUMENTS FOR SHIPMENTS PDF XLS.jar"

C:\Windows\system32\cmd.exe

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

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

"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\DOCUMENTS FOR SHIPMENTS PDF XLS.jar"

C:\Windows\system32\schtasks.exe

schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\DOCUMENTS FOR SHIPMENTS PDF XLS.jar"

Network

Country Destination Domain Proto
US 8.8.8.8:53 github.com udp
US 8.8.8.8:53 repo1.maven.org 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 140.82.112.4:443 github.com tcp
US 8.8.8.8:53 objects.githubusercontent.com udp
US 185.199.108.133:443 objects.githubusercontent.com tcp
NL 45.137.22.131:1780 tcp

Files

memory/1140-55-0x000007FEFBA61000-0x000007FEFBA63000-memory.dmp

memory/1140-56-0x00000000021E0000-0x0000000002450000-memory.dmp

memory/1140-57-0x00000000021E0000-0x0000000002450000-memory.dmp

memory/1140-58-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1140-59-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1140-60-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1140-71-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1140-72-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1140-73-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1140-75-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1140-76-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1140-100-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1140-101-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1140-102-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1140-105-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1272-113-0x0000000000000000-mapping.dmp

C:\Users\Admin\DOCUMENTS FOR SHIPMENTS PDF XLS.jar

MD5 651a47b5e2e3638430e6148e79a7e23b
SHA1 c8aaea1eaace67c045413c445d17c71af3e8c0fa
SHA256 bb3be9616c4b23e2f5cda17b56b8656a5d71f643fdf545056c97a242b69a6115
SHA512 3f680a9e80eff306ad4386991b33fe1d171eec0d8c1ad3f1e8c4d9322275f049befa0ada6cb53e8f01cda3809bb29e454cdade59c22ae20cfc53add056ff2324

memory/1272-118-0x00000000021D0000-0x0000000002440000-memory.dmp

memory/1272-119-0x0000000000220000-0x0000000000221000-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-1-5-21-2955169046-2371869340-1800780948-1000\83aa4cc77f591dfc2374580bbd95f6ba_db4d14ed-021a-404a-968d-cb66a4d24831

MD5 c8366ae350e7019aefc9d1e6e6a498c6
SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

\Users\Admin\AppData\Local\Temp\jna-63116079\jna4690427710296925067.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/1512-126-0x0000000000000000-mapping.dmp

memory/1996-127-0x0000000000000000-mapping.dmp

memory/1596-129-0x0000000000000000-mapping.dmp

memory/1272-131-0x0000000000220000-0x0000000000221000-memory.dmp

memory/1272-128-0x0000000000220000-0x0000000000221000-memory.dmp

C:\Users\Admin\AppData\Roaming\DOCUMENTS FOR SHIPMENTS PDF XLS.jar

MD5 651a47b5e2e3638430e6148e79a7e23b
SHA1 c8aaea1eaace67c045413c445d17c71af3e8c0fa
SHA256 bb3be9616c4b23e2f5cda17b56b8656a5d71f643fdf545056c97a242b69a6115
SHA512 3f680a9e80eff306ad4386991b33fe1d171eec0d8c1ad3f1e8c4d9322275f049befa0ada6cb53e8f01cda3809bb29e454cdade59c22ae20cfc53add056ff2324

memory/1996-139-0x00000000022F0000-0x0000000002560000-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\Roaming\lib\jna-5.5.0.jar

MD5 acfb5b5fd9ee10bf69497792fd469f85
SHA1 0e0845217c4907822403912ad6828d8e0b256208
SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512 e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna4690427710296925067.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

\Users\Admin\AppData\Local\Temp\jna-63116079\jna5104438831437709245.dll

MD5 e02979ecd43bcc9061eb2b494ab5af50
SHA1 3122ac0e751660f646c73b10c4f79685aa65c545
SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA512 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Analysis: behavioral2

Detonation Overview

Submitted

2021-12-07 15:33

Reported

2021-12-07 15:35

Platform

win10-en-20211104

Max time kernel

123s

Max time network

129s

Command Line

java -jar "C:\Users\Admin\AppData\Local\Temp\DOCUMENTS FOR SHIPMENTS PDF 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\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\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\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
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\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\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\jvm.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\DOCUMENTS FOR SHIPMENTS PDF XLS.jar"

Network

Country Destination Domain Proto
IE 52.109.76.31:443 tcp
US 8.8.8.8:53 time.windows.com udp
NL 40.119.148.38:123 time.windows.com udp

Files

memory/2580-118-0x0000000002A00000-0x0000000002C70000-memory.dmp

memory/2580-119-0x0000000002A00000-0x0000000002C70000-memory.dmp

memory/2580-120-0x0000000000A00000-0x0000000000A01000-memory.dmp

memory/2580-123-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2580-121-0x0000000002C70000-0x0000000002C80000-memory.dmp

memory/2580-122-0x0000000002C80000-0x0000000002C90000-memory.dmp

memory/2580-124-0x0000000002CA0000-0x0000000002CB0000-memory.dmp

memory/2580-125-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

memory/2580-126-0x0000000002CC0000-0x0000000002CD0000-memory.dmp

memory/2580-127-0x0000000002CD0000-0x0000000002CE0000-memory.dmp

memory/2580-128-0x0000000002CE0000-0x0000000002CF0000-memory.dmp