Malware Analysis Report

2024-10-10 12:45

Sample ID 240613-2e7vwsshkf
Target 4c21e4b0cc0dad91dc01cfde4f3b8dea8e9504628e7041cbede9ae646002621d
SHA256 4c21e4b0cc0dad91dc01cfde4f3b8dea8e9504628e7041cbede9ae646002621d
Tags
upx persistence
score
7/10

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
7/10

SHA256

4c21e4b0cc0dad91dc01cfde4f3b8dea8e9504628e7041cbede9ae646002621d

Threat Level: Shows suspicious behavior

The file 4c21e4b0cc0dad91dc01cfde4f3b8dea8e9504628e7041cbede9ae646002621d was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx persistence

UPX packed file

Executes dropped EXE

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 22:30

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 22:30

Reported

2024-06-13 22:33

Platform

win7-20240221-en

Max time kernel

150s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c21e4b0cc0dad91dc01cfde4f3b8dea8e9504628e7041cbede9ae646002621d.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\services.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" C:\Users\Admin\AppData\Local\Temp\4c21e4b0cc0dad91dc01cfde4f3b8dea8e9504628e7041cbede9ae646002621d.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" C:\Windows\services.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c21e4b0cc0dad91dc01cfde4f3b8dea8e9504628e7041cbede9ae646002621d.exe

"C:\Users\Admin\AppData\Local\Temp\4c21e4b0cc0dad91dc01cfde4f3b8dea8e9504628e7041cbede9ae646002621d.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 10.65.120.153:1034 tcp
N/A 192.168.2.111:1034 tcp
N/A 10.128.8.216:1034 tcp
N/A 192.168.2.12:1034 tcp
N/A 192.168.2.9:1034 tcp
US 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 alumni-caltech-edu.mail.protection.outlook.com udp
US 8.8.8.8:53 gzip.org udp
US 52.101.42.10:25 alumni-caltech-edu.mail.protection.outlook.com tcp
US 8.8.8.8:53 gzip.org udp
US 85.187.148.2:25 gzip.org tcp
N/A 192.168.2.9:1034 tcp
US 8.8.8.8:53 alumni.caltech.edu udp
US 99.83.190.102:25 alumni.caltech.edu tcp
US 85.187.148.2:25 gzip.org tcp
N/A 10.126.94.178:1034 tcp
N/A 10.87.149.58:1034 tcp

Files

memory/2944-0-0x0000000000500000-0x0000000000510200-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2944-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2200-11-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2944-8-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\zincite.log

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2944-17-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2200-18-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2200-23-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2944-24-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2944-25-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2200-30-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2200-32-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2200-37-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2200-42-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2200-44-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\TVbqjvjs3p.log

MD5 a0b0f7d352169853f27801e05092be91
SHA1 3342232781d677786fc765a2cb368fe8870c6f8c
SHA256 7ce986b41d0ae9ccd8610371e6db0d5658160410b37850d7f4f836f021993fd1
SHA512 c1aec1cdde7af623ff3fbe041f05e67bc0b4be66349d016996977f75081764f060b5e0f60602f03f98c8e905429cb8381645abf19a40ee3b3e0298bacdd00a0b

memory/2944-48-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2200-49-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\zincite.log

MD5 110bcc531ab343c202894309d886685d
SHA1 a852594190e8cbe59e0d4b9ec936fba5ec03c18f
SHA256 1f2c5ecab084839feba77297f3d0d8b13143346f2dcbb693013c1fe11c8d133e
SHA512 36ddd570ebe67bf40d7ca057d871f6c69ab12732b8ec6a10c28fe3c47e0713611be0c76e1d3814e956a88652024db79f9e452f35bc16893de1d9f42e5d5f7370

C:\Users\Admin\AppData\Local\Temp\tmp6AD6.tmp

MD5 4da05ff2291813ce1ac80a30679102b0
SHA1 359e940bc779afed52a66b011b37fc9a599ecd0e
SHA256 fae476817a826d988d4ec9aca8e006738d4d6cc57b2cf17b3d470667b07218f5
SHA512 950bd2d3ada931a8d737c6b7a0bde6b8fbaff4b609112fb3572778fd9c80c7c64cf1816719f9c4142d758bfef551989c1517e2f210d05d06ba8d762c97e7fbc9

memory/2944-70-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2200-71-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2944-72-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2200-73-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2944-76-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2200-77-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2200-82-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2944-83-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2200-84-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2944-88-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2200-89-0x0000000000400000-0x0000000000408000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 22:30

Reported

2024-06-13 22:33

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c21e4b0cc0dad91dc01cfde4f3b8dea8e9504628e7041cbede9ae646002621d.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\services.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" C:\Users\Admin\AppData\Local\Temp\4c21e4b0cc0dad91dc01cfde4f3b8dea8e9504628e7041cbede9ae646002621d.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" C:\Windows\services.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c21e4b0cc0dad91dc01cfde4f3b8dea8e9504628e7041cbede9ae646002621d.exe

"C:\Users\Admin\AppData\Local\Temp\4c21e4b0cc0dad91dc01cfde4f3b8dea8e9504628e7041cbede9ae646002621d.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 10.65.120.153:1034 tcp
N/A 192.168.2.111:1034 tcp
N/A 10.128.8.216:1034 tcp
N/A 192.168.2.12:1034 tcp
US 8.8.8.8:53 m-ou.se udp
US 8.8.8.8:53 acm.org udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 burtleburtle.net udp
US 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 gzip.org udp
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 search.lycos.com udp
US 8.8.8.8:53 search.yahoo.com udp
US 8.8.8.8:53 www.altavista.com udp
US 8.8.8.8:53 m-ou.se udp
US 8.8.8.8:53 acm.org udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 burtleburtle.net udp
US 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 gzip.org udp
US 8.8.8.8:53 www.google.com udp
N/A 192.168.2.9:1034 tcp
US 8.8.8.8:53 m-ou.se udp
US 8.8.8.8:53 acm.org udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 burtleburtle.net udp
US 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 gzip.org udp
N/A 192.168.2.9:1034 tcp
N/A 10.126.94.178:1034 tcp
US 8.8.8.8:53 outlook.com udp
US 8.8.8.8:53 search.yahoo.com udp
US 8.8.8.8:53 search.lycos.com udp
US 8.8.8.8:53 burtleburtle.net udp
US 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 www.altavista.com udp
US 8.8.8.8:53 outlook.com udp
US 8.8.8.8:53 search.yahoo.com udp
US 8.8.8.8:53 www.google.com udp
N/A 10.87.149.58:1034 tcp
US 8.8.8.8:53 search.lycos.com udp

Files

memory/944-0-0x0000000000500000-0x0000000000510200-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2444-6-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\zincite.log

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/944-13-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2444-14-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2444-19-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2444-24-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2444-26-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2444-31-0x0000000000400000-0x0000000000408000-memory.dmp

memory/944-35-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2444-36-0x0000000000400000-0x0000000000408000-memory.dmp

memory/944-37-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2444-38-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\vgnwBe2a.log

MD5 d5b5c2b8770c730dbd6d841a5d512183
SHA1 b6ea81ae7fb7c0f87af1e8e5e4d2e9f4cc0008b1
SHA256 4d52dc490ef7649e81171d6fd34abad0d8f50ad9e21913c4a5ad06ba393a0475
SHA512 5732aacab6888e5e190abc46d7f487e88750183c2317c214938a35e0a991fd3023c9a820b6d45a29b106846ee88a52e1fa459b9bda4406dd4f933491ad7a234f

memory/944-42-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2444-43-0x0000000000400000-0x0000000000408000-memory.dmp

memory/944-47-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2444-48-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2444-50-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2444-55-0x0000000000400000-0x0000000000408000-memory.dmp

memory/944-54-0x0000000000500000-0x0000000000510200-memory.dmp

memory/944-59-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2444-60-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\zincite.log

MD5 eba767e354068e1ddad86219c48fa751
SHA1 5cde9b5f78046cf4c11e79756849d114e6e27810
SHA256 9e1f7d3b23784764849d323e47847632c2a35b7de2fe98cf32f9ea72d28bb941
SHA512 e209e3413d922b4c849b2b8e49827da181cc7a1900e59f8a75e3beee2169c265f11024c6995c6452c7718f8421806aa1aacbc071b9e4cc95e5e384f6b5d7d981

C:\Users\Admin\AppData\Local\Temp\tmp4223.tmp

MD5 37a3b0b60985a0de10d9dddb4c719405
SHA1 fd16a2bf997ee2c38f6d74843a0f304d5b20b4f7
SHA256 ee785c2d7cf4cbb815fc04db9cffb5d3d4a3befa8deb22430655d3f2bf9d3e59
SHA512 6a2a1099afe1d7ef87599f49dfb901f1c8021be1f85808305f11792013a47b085d963f1f88f73ffb2806ab77ba4e4e955aca20d5354f6294b37b17b547fef465

memory/944-78-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2444-79-0x0000000000400000-0x0000000000408000-memory.dmp

memory/944-82-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2444-83-0x0000000000400000-0x0000000000408000-memory.dmp