Malware Analysis Report

2024-11-13 18:44

Sample ID 231014-j7h35agg9x
Target NEAS.db7f0243fda108aab085cdecf6330f80.exe
SHA256 ba7f5279a74d7d6fa28af1e1e6bac467f8f47c5a28f3a4f544fadc37245af4ee
Tags
upx sakula persistence rat trojan
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

ba7f5279a74d7d6fa28af1e1e6bac467f8f47c5a28f3a4f544fadc37245af4ee

Threat Level: Known bad

The file NEAS.db7f0243fda108aab085cdecf6330f80.exe was found to be: Known bad.

Malicious Activity Summary

upx sakula persistence rat trojan

Sakula payload

Sakula family

Sakula

Deletes itself

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

UPX packed file

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Runs ping.exe

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-14 08:18

Signatures

Sakula family

sakula

Sakula payload

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

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

2023-10-14 08:18

Reported

2023-10-14 08:22

Platform

win7-20230831-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe"

Signatures

Sakula

trojan rat sakula

Sakula payload

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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe N/A

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3052 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 3052 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 3052 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 3052 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 3052 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe C:\Windows\SysWOW64\cmd.exe
PID 3052 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe C:\Windows\SysWOW64\cmd.exe
PID 3052 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe C:\Windows\SysWOW64\cmd.exe
PID 3052 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe C:\Windows\SysWOW64\cmd.exe
PID 2508 wrote to memory of 812 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2508 wrote to memory of 812 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2508 wrote to memory of 812 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2508 wrote to memory of 812 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe"

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 3.33.130.190:80 www.northpoleroute.com tcp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 3.33.130.190:443 www.northpoleroute.com tcp

Files

memory/3052-0-0x0000000000400000-0x0000000000425000-memory.dmp

\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 d3ce5e9ff4837a106776a9b2047aa895
SHA1 048a232339b33f0e6d0624cadf6efc5e8d5cd1a5
SHA256 d99b3dbd1d14f437fa5c8e57d281a0aea7e407b6a0945dc56672b0488273fdfd
SHA512 9946ee809a345187736dd0ed94c1d8f06bfcf6d94da5a0fd3fa3a37c58ab190fcefcf8dd24bec7dfefe23d954e412d16907de706aa6861af9d593100df98307f

memory/3056-6-0x0000000000400000-0x0000000000425000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 d3ce5e9ff4837a106776a9b2047aa895
SHA1 048a232339b33f0e6d0624cadf6efc5e8d5cd1a5
SHA256 d99b3dbd1d14f437fa5c8e57d281a0aea7e407b6a0945dc56672b0488273fdfd
SHA512 9946ee809a345187736dd0ed94c1d8f06bfcf6d94da5a0fd3fa3a37c58ab190fcefcf8dd24bec7dfefe23d954e412d16907de706aa6861af9d593100df98307f

memory/3052-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3056-8-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3052-9-0x0000000000400000-0x0000000000425000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabF9FA.tmp

MD5 f3441b8572aae8801c04f3060b550443
SHA1 4ef0a35436125d6821831ef36c28ffaf196cda15
SHA256 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA512 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

C:\Users\Admin\AppData\Local\Temp\TarFA2C.tmp

MD5 9441737383d21192400eca82fda910ec
SHA1 725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256 bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA512 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-14 08:18

Reported

2023-10-14 08:21

Platform

win10v2004-20230915-en

Max time kernel

140s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe"

Signatures

Sakula

trojan rat sakula

Sakula payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe"

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 3.33.130.190:80 www.northpoleroute.com tcp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 8.8.8.8:53 190.130.33.3.in-addr.arpa udp
US 8.8.8.8:53 23.249.124.192.in-addr.arpa udp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 8.8.8.8:53 136.71.105.51.in-addr.arpa udp

Files

memory/3016-0-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1688-5-0x0000000000400000-0x0000000000425000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 aedd753f4180d118d4fb1ead0b172e97
SHA1 e323b6e344f514bdc68f72ed1f7df85fd3f40f5b
SHA256 f7df228778edcf5712d3391a25e51f3547ba2db1ba61ea58f77c38a6e6b1afff
SHA512 fc572d2e1c2f6a9639ae09d59eea202b645677b0d6c59d7fc59c892010a07fb4e044d039db2a7e4184b3930f2a86adf7bc0eea5b71501215fd5685f3075753af

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 aedd753f4180d118d4fb1ead0b172e97
SHA1 e323b6e344f514bdc68f72ed1f7df85fd3f40f5b
SHA256 f7df228778edcf5712d3391a25e51f3547ba2db1ba61ea58f77c38a6e6b1afff
SHA512 fc572d2e1c2f6a9639ae09d59eea202b645677b0d6c59d7fc59c892010a07fb4e044d039db2a7e4184b3930f2a86adf7bc0eea5b71501215fd5685f3075753af

memory/3016-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1688-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3016-8-0x0000000000400000-0x0000000000425000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\19QTJWOB\uscnwqci-487689567[1].htm

MD5 b8e5031ea545c52885f5e92f753dfa29
SHA1 caa26c58c4c50e0d1227a7d06b44171e4727c49f
SHA256 a2feeca638d07f490ab9a6808d334259ac823b8dc7d1d6a0408ce977c790bef2
SHA512 0d2e1e0b87a73f95f40d66a83200ea82b2d34f28d3b27aac3bb89a1edf323cfe6b681ce7f21b440880e07706d76fe90f6c8c3bda14b0c82837dee384a89713c5