Malware Analysis Report

2025-08-05 11:55

Sample ID 240215-qxzrfsgh93
Target 1.exe
SHA256 44751e144b4dae403bf009e1a5461d0b7ec7b0f5e95ae6b149e0c653e4ab7b17
Tags
remcos jnchinacp collection rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

44751e144b4dae403bf009e1a5461d0b7ec7b0f5e95ae6b149e0c653e4ab7b17

Threat Level: Known bad

The file 1.exe was found to be: Known bad.

Malicious Activity Summary

remcos jnchinacp collection rat

Remcos

NirSoft MailPassView

NirSoft WebBrowserPassView

Nirsoft

Drops startup file

Loads dropped DLL

Executes dropped EXE

Accesses Microsoft Outlook accounts

Suspicious use of SetThreadContext

AutoIT Executable

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-15 13:39

Signatures

AutoIT Executable

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: behavioral2

Detonation Overview

Submitted

2024-02-15 13:39

Reported

2024-02-15 13:43

Platform

win10v2004-20231222-en

Max time kernel

144s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1.exe"

Signatures

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\1.exe

"C:\Users\Admin\AppData\Local\Temp\1.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 193.78.101.95.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp

Files

memory/428-10-0x00000000033A0000-0x00000000033A4000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-15 13:39

Reported

2024-02-15 13:43

Platform

win7-20231215-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1.exe"

Signatures

Remcos

rat remcos

NirSoft MailPassView

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

NirSoft WebBrowserPassView

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

Nirsoft

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\resharing.vbs C:\Users\Admin\AppData\Local\outvaunts\resharing.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\outvaunts\resharing.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A

Accesses Microsoft Outlook accounts

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts C:\Windows\SysWOW64\svchost.exe N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2744 set thread context of 2696 N/A C:\Users\Admin\AppData\Local\outvaunts\resharing.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 set thread context of 580 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 set thread context of 1632 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 set thread context of 2840 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 set thread context of 2608 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 set thread context of 2204 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 set thread context of 1600 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1488 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\outvaunts\resharing.exe
PID 1488 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\outvaunts\resharing.exe
PID 1488 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\outvaunts\resharing.exe
PID 1488 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\outvaunts\resharing.exe
PID 2744 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\outvaunts\resharing.exe C:\Windows\SysWOW64\svchost.exe
PID 2744 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\outvaunts\resharing.exe C:\Windows\SysWOW64\svchost.exe
PID 2744 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\outvaunts\resharing.exe C:\Windows\SysWOW64\svchost.exe
PID 2744 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\outvaunts\resharing.exe C:\Windows\SysWOW64\svchost.exe
PID 2744 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\outvaunts\resharing.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 580 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 580 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 580 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 580 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 580 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 1632 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 1632 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 1632 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 1632 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 1632 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2840 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2840 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2840 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2840 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2840 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2608 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2608 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2608 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2608 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2608 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2204 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2204 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2204 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2204 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 2204 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 1600 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 1600 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 1600 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 1600 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 1600 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1.exe

"C:\Users\Admin\AppData\Local\Temp\1.exe"

C:\Users\Admin\AppData\Local\outvaunts\resharing.exe

"C:\Users\Admin\AppData\Local\Temp\1.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\1.exe"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\farhgeqgzjjpitnu"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\puwagwbznrcukhjyhmgd"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\swbkhpmbjzugvnxcyxbfcof"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\mdxcdogmxwy"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\xfduegrgleqfjuq"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\hzqnfybhzmijtbmyse"

Network

Country Destination Domain Proto
US 8.8.8.8:53 jnchina.ydns.eu udp
SG 23.106.121.133:1177 jnchina.ydns.eu tcp
SG 23.106.121.133:1177 jnchina.ydns.eu tcp
SG 23.106.121.133:1177 jnchina.ydns.eu tcp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp

Files

memory/1488-10-0x0000000000390000-0x0000000000394000-memory.dmp

\Users\Admin\AppData\Local\outvaunts\resharing.exe

MD5 628401eacfe473cb396f59eb990b32e8
SHA1 c7cf7bb9ec6329f296a7cc666ce7cfb78f03e332
SHA256 b93c1b783ffb0198868aad668ba1d24acf977df1cb9185624ba998bfb8bc1228
SHA512 71ab1b73eb3787779c1743e98b4bb34b25bed889f365c0faacba407de8187a16b161121fbf6a8d80ae195853222a7045d6cc28dafeb74a3f4a4e967a3353f97c

C:\Users\Admin\AppData\Local\outvaunts\resharing.exe

MD5 83652ef746cc7552e00aeb54c573ef9b
SHA1 9a17fa120f6785a36ba47004922f0973bd3c2592
SHA256 0d1b66cca7315150920634abc79e4577af51dbff1e952141e39fc237e2fe26ba
SHA512 cc5866d516e90c4998f1255a2ae60bbb4186cee0532c940fe56c4dda26ffacbc1d6af96b638685ad1c2e932f6c1e91cd9c71bd71259c43650869a76bdb2b9d93

C:\Users\Admin\AppData\Local\Temp\tilths

MD5 9dbad0aa8d1f4a6e7c5d3300f4a79911
SHA1 278790865ad59208d4b82100a255e5eabbffa041
SHA256 901d7920b2aa2272f92d09cda4d4dc56f5c5dc1d81ec4b1b15ab09e750085779
SHA512 bbe9d8b5bb9d269bf0fc9f12e720ad51fecfdedb10d679d7e8115f49aca2d658b7cf50d51dc87cb03b47f53f61975bb742793b07d40582de1c3641760eca531a

C:\Users\Admin\AppData\Local\outvaunts\resharing.exe

MD5 220f535f8e88665d3fa1051916801a60
SHA1 3377c81da3a3ebc8e931eb583c28a6446de3df48
SHA256 033966f1a8e7959997f4ae67fa0505b98a87ce0159e480b204d8cfe49d601aaa
SHA512 850e86f405b7878d31723f13c8c43ab001ada3577bf3053246ef8b64bc9c48a2f6e6992aec1e9fc9b4e6f5da3388650bd3a198dbdebfed5d8dc2bdca51b3253d

C:\Users\Admin\AppData\Local\Temp\unrosined

MD5 e04d5020cdf6b54ca1aeafb897bb0de0
SHA1 3483ddcfc66d801c03a8c18506b489da38c5833b
SHA256 fe6f63c2b6ae9d1bc7481a0ca3c2aac7187a9ef715043e1773f3d3ceed70a797
SHA512 2298ba958ce9a721e6aafd0da706adeac7fe87d040778c278ed6931723318823036e5643b72ef0f3abebca9917c6f419eda4e2ab104370afdc19940dec9b14c2

memory/2696-30-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-32-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-33-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-34-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-36-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-37-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-38-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-40-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-41-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-42-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-43-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-44-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-46-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-47-0x0000000000400000-0x0000000000482000-memory.dmp

memory/580-48-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/580-50-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2840-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/580-56-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1632-54-0x0000000000400000-0x0000000000457000-memory.dmp

memory/2840-60-0x0000000000400000-0x0000000000424000-memory.dmp

memory/580-64-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1632-65-0x0000000000400000-0x0000000000457000-memory.dmp

memory/2840-66-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1632-62-0x0000000000400000-0x0000000000457000-memory.dmp

memory/2840-68-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2840-67-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2840-69-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2696-70-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-71-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1632-86-0x0000000000400000-0x0000000000457000-memory.dmp

memory/2696-89-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2204-90-0x0000000000400000-0x0000000000457000-memory.dmp

memory/580-99-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1600-98-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2608-106-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2696-105-0x0000000010000000-0x0000000010019000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\mdxcdogmxwy

MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

memory/2696-109-0x0000000010000000-0x0000000010019000-memory.dmp

memory/2696-111-0x0000000010000000-0x0000000010019000-memory.dmp

memory/2696-110-0x0000000010000000-0x0000000010019000-memory.dmp

memory/2696-112-0x0000000010000000-0x0000000010019000-memory.dmp

memory/2696-113-0x0000000000400000-0x0000000000482000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 9d2b593ead05857964a464aca049646c
SHA1 294445d9a907b5fdf1f76037388b9079bf4b9993
SHA256 e46fc1c745851b06f4bb993294f9b70bb9d116ca9f379169ebada199adc2b5a9
SHA512 3c100ce34e250a5d3eee90f0bdfb97ba8454edd111feeb8f42889ddb63596da39cee9cfc49a011e158c027e50833b2a8517c314616c506efd8e02441a0e7ef4a

memory/2696-118-0x0000000010000000-0x0000000010019000-memory.dmp

memory/2696-120-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-121-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-128-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-129-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2696-136-0x0000000000400000-0x0000000000482000-memory.dmp