Malware Analysis Report

2025-01-02 03:11

Sample ID 240816-ke97ksyfjp
Target SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
SHA256 4eaacedcb5c204340fb5b45bbf5b625f8951efdb4a4035b9b621d07880bd0002
Tags
remcos remotehost discovery rat
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

4eaacedcb5c204340fb5b45bbf5b625f8951efdb4a4035b9b621d07880bd0002

Threat Level: Known bad

The file SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe was found to be: Known bad.

Malicious Activity Summary

remcos remotehost discovery rat

Remcos

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-16 08:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-16 08:32

Reported

2024-08-16 08:34

Platform

win7-20240704-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe"

Signatures

Remcos

rat remcos

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 2544 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe

Processes

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe"

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 magaji.duckdns.org udp
MY 103.186.117.57:2404 magaji.duckdns.org tcp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp

Files

memory/2544-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

memory/2544-1-0x0000000000900000-0x0000000000A02000-memory.dmp

memory/2544-2-0x00000000745E0000-0x0000000074CCE000-memory.dmp

memory/2544-3-0x0000000005B90000-0x0000000005C82000-memory.dmp

memory/2544-4-0x00000000003C0000-0x00000000003DE000-memory.dmp

memory/2544-5-0x00000000745EE000-0x00000000745EF000-memory.dmp

memory/2544-6-0x00000000745E0000-0x0000000074CCE000-memory.dmp

memory/2544-7-0x0000000000430000-0x0000000000446000-memory.dmp

memory/2544-8-0x0000000000580000-0x0000000000640000-memory.dmp

memory/2484-10-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-9-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-19-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-21-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-22-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2484-16-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-15-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-14-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-26-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-23-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-12-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-13-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-11-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2544-27-0x00000000745E0000-0x0000000074CCE000-memory.dmp

memory/2484-28-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-29-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-30-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-31-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-36-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-37-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-38-0x0000000000400000-0x0000000000482000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 9b0461db3d4b2a0439050be05bb47e4f
SHA1 eed97e78e09ed7af0ac45469cf76d565c9230cd3
SHA256 abc9b6b912fbaaa118ee03a6cfdd8a6a575b3c1f78a81d523cd1b71386c990ce
SHA512 e490c67ac6679328c2473a3270d3800a84a7184a05255c79bb3018fb012fe785b775d0e9da5dfa1b471dd68ea4e69da1754609734e11c9af21b81b3c15cb4bc8

memory/2484-45-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-46-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-53-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-54-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-61-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-62-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-69-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2484-70-0x0000000000400000-0x0000000000482000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-16 08:32

Reported

2024-08-16 08:34

Platform

win10v2004-20240802-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe"

Signatures

Remcos

rat remcos

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 216 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe
PID 216 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe

Processes

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe"

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe"

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3021.26937.12766.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 magaji.duckdns.org udp
MY 103.186.117.57:2404 magaji.duckdns.org tcp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp
US 8.8.8.8:53 57.117.186.103.in-addr.arpa udp
US 8.8.8.8:53 50.33.237.178.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 68.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/216-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

memory/216-1-0x0000000000810000-0x0000000000912000-memory.dmp

memory/216-2-0x00000000058F0000-0x0000000005E94000-memory.dmp

memory/216-3-0x0000000005340000-0x00000000053D2000-memory.dmp

memory/216-5-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/216-4-0x0000000005300000-0x000000000530A000-memory.dmp

memory/216-6-0x00000000055E0000-0x000000000567C000-memory.dmp

memory/216-7-0x00000000080E0000-0x00000000081D2000-memory.dmp

memory/216-8-0x00000000058C0000-0x00000000058DE000-memory.dmp

memory/216-9-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

memory/216-10-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/216-11-0x00000000058E0000-0x00000000058F6000-memory.dmp

memory/216-12-0x000000000A620000-0x000000000A6E0000-memory.dmp

memory/3136-13-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-14-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-16-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-17-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-21-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-18-0x0000000000400000-0x0000000000482000-memory.dmp

memory/216-22-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/3136-23-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-25-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-24-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-26-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-28-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-31-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-32-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-33-0x0000000000400000-0x0000000000482000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 58fdb7e002e268cac58791febeb3fade
SHA1 dc85e71bb57ac901eb79e8dc4723b823fca8627f
SHA256 e160293481755f25bcf306141b22af46fdab008076b4c3d782f8b228d731ae12
SHA512 c0ca83158826cf7cc03cae3add29feb76ccb08fe97f24bba1213e3952001d29bf06745c60ccbcb0f83ec42fa52ec63fd27f953a1f53580962b4ad52a9c0aadcb

memory/3136-40-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-41-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-48-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-49-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-56-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-57-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-64-0x0000000000400000-0x0000000000482000-memory.dmp

memory/3136-65-0x0000000000400000-0x0000000000482000-memory.dmp