Malware Analysis Report

2024-11-13 18:44

Sample ID 231014-whfb6aae5v
Target NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe
SHA256 e0ddf1c40d03499d27db1420b83de2da1fdd609c8463faee3b7bfd6e62c42f0e
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

e0ddf1c40d03499d27db1420b83de2da1fdd609c8463faee3b7bfd6e62c42f0e

Threat Level: Known bad

The file NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe was found to be: Known bad.

Malicious Activity Summary

upx sakula persistence rat trojan

Sakula family

Sakula payload

Sakula

Loads dropped DLL

UPX packed file

Deletes itself

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-14 17:55

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 17:55

Reported

2023-10-15 04:25

Platform

win7-20230831-en

Max time kernel

139s

Max time network

143s

Command Line

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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.53f3cbe3b6506b5c5eb1fc23e421b6e0.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.53f3cbe3b6506b5c5eb1fc23e421b6e0.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.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2208 wrote to memory of 280 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2208 wrote to memory of 280 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2208 wrote to memory of 280 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2208 wrote to memory of 280 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2208 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe C:\Windows\SysWOW64\cmd.exe
PID 2208 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe C:\Windows\SysWOW64\cmd.exe
PID 2208 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe C:\Windows\SysWOW64\cmd.exe
PID 2208 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe C:\Windows\SysWOW64\cmd.exe
PID 2664 wrote to memory of 2948 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2664 wrote to memory of 2948 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2664 wrote to memory of 2948 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2664 wrote to memory of 2948 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.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.53f3cbe3b6506b5c5eb1fc23e421b6e0.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
US 3.33.130.190:443 www.northpoleroute.com tcp
US 3.33.130.190:443 www.northpoleroute.com tcp

Files

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

MD5 0523fd09c7990f16f673ffd74fc60a91
SHA1 0aae13f94d1f7fb769f774ce211c400fdfb74d5c
SHA256 71a90c2c7cab33f983dff87d66cae8556672a1ade355360758ea6c787a40a4b6
SHA512 4f66718afd4716424a59ae2ab1d039130a72e7b58802963477375a0b3f6c9e8b014cdbc6a4e245db7b22d0fa8c3c7f05d9007034d5395c05487f763c6376e432

memory/2208-4-0x0000000000440000-0x0000000000475000-memory.dmp

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

MD5 0523fd09c7990f16f673ffd74fc60a91
SHA1 0aae13f94d1f7fb769f774ce211c400fdfb74d5c
SHA256 71a90c2c7cab33f983dff87d66cae8556672a1ade355360758ea6c787a40a4b6
SHA512 4f66718afd4716424a59ae2ab1d039130a72e7b58802963477375a0b3f6c9e8b014cdbc6a4e245db7b22d0fa8c3c7f05d9007034d5395c05487f763c6376e432

memory/2208-0-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2208-7-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2208-8-0x0000000000440000-0x0000000000475000-memory.dmp

memory/280-9-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2208-10-0x0000000000400000-0x0000000000435000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab717A.tmp

MD5 f3441b8572aae8801c04f3060b550443
SHA1 4ef0a35436125d6821831ef36c28ffaf196cda15
SHA256 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA512 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

C:\Users\Admin\AppData\Local\Temp\Tar71CB.tmp

MD5 9441737383d21192400eca82fda910ec
SHA1 725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256 bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA512 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-14 17:55

Reported

2023-10-15 04:25

Platform

win10v2004-20230915-en

Max time kernel

140s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.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-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.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.53f3cbe3b6506b5c5eb1fc23e421b6e0.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.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.53f3cbe3b6506b5c5eb1fc23e421b6e0.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.53f3cbe3b6506b5c5eb1fc23e421b6e0.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 39.142.81.104.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 254.21.238.8.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 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 41.249.124.192.in-addr.arpa udp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 8.8.8.8:53 67.112.168.52.in-addr.arpa udp
US 3.33.130.190:443 www.northpoleroute.com tcp

Files

memory/3604-0-0x0000000000400000-0x0000000000435000-memory.dmp

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

MD5 e82f2f1b75123e35eb5980ba73ef992c
SHA1 d93e4a1e68243f8c5c6b3e719b52a40017c8056d
SHA256 493bde58b29403ef82046622881510eb264c90de2fe4e46559757eb301abab6f
SHA512 13f0d6c7a50780dfd1c6f23a9aee06e0d849170d3a3da31628e6cfcab4c7a9de6eb5e86c0d597fb9deee5643aa36b3694a1fc46c08e221a17938f973e687fa77

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

MD5 e82f2f1b75123e35eb5980ba73ef992c
SHA1 d93e4a1e68243f8c5c6b3e719b52a40017c8056d
SHA256 493bde58b29403ef82046622881510eb264c90de2fe4e46559757eb301abab6f
SHA512 13f0d6c7a50780dfd1c6f23a9aee06e0d849170d3a3da31628e6cfcab4c7a9de6eb5e86c0d597fb9deee5643aa36b3694a1fc46c08e221a17938f973e687fa77

memory/1172-5-0x0000000000400000-0x0000000000435000-memory.dmp

memory/3604-6-0x0000000000400000-0x0000000000435000-memory.dmp

memory/1172-7-0x0000000000400000-0x0000000000435000-memory.dmp

memory/3604-8-0x0000000000400000-0x0000000000435000-memory.dmp