remcos | 554b40336bad24df88cbde544cdf20d553d02ce7fee5dab9a82318d7c21471e0

General

Target

SecuriteInfo.com.Win32.PWSX-gen.292.exe
Size

966KB
MD5

9beaec299e48eb0072fd6e270d8e8cd3
SHA1

a719b69d48a210af3749bccd27b4ad5185c35d8d
SHA256

554b40336bad24df88cbde544cdf20d553d02ce7fee5dab9a82318d7c21471e0
SHA512

d0742bee412db3abdb8ddee99ceaf45721f6c72c2b9044838d755b6e8a51377831177eb087f709efee31dc36871e2e274338734731e3d89519bebfb1e74c0733
SSDEEP

24576:dtHKWYHu2k6ei445zcNjNGbr3SN2jcjR11O7Akmla:7KWYHu2kf745zCa3SN2jcjRuUkK

Score

10^/10

remcos buddy collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

BUDDY

C2

192.210.201.57:52499

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-LMLI87
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/2376-53-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2376-68-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/2424-45-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2424-63-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2424-45-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2376-53-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2880-57-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2880-58-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2424-63-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2376-68-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	SecuriteInfo.com.Win32.PWSX-gen.292.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exeSecuriteInfo.com.Win32.PWSX-gen.292.exe

description	pid	process	target process
PID 2188 set thread context of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 set thread context of 2424	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 set thread context of 2376	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 set thread context of 2880	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exe

pid process

2424 SecuriteInfo.com.Win32.PWSX-gen.292.exe
2424 SecuriteInfo.com.Win32.PWSX-gen.292.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exe

pid process

2252 SecuriteInfo.com.Win32.PWSX-gen.292.exe
2252 SecuriteInfo.com.Win32.PWSX-gen.292.exe
2252 SecuriteInfo.com.Win32.PWSX-gen.292.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exe

description pid process

Token: SeDebugPrivilege 2880 SecuriteInfo.com.Win32.PWSX-gen.292.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exe

pid process

2252 SecuriteInfo.com.Win32.PWSX-gen.292.exe

pid	process
2424	SecuriteInfo.com.Win32.PWSX-gen.292.exe
2424	SecuriteInfo.com.Win32.PWSX-gen.292.exe

pid	process
2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe
2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe
2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe

description	pid	process
Token: SeDebugPrivilege	2880	SecuriteInfo.com.Win32.PWSX-gen.292.exe

pid	process
2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exeSecuriteInfo.com.Win32.PWSX-gen.292.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2188

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2252

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe /stext "C:\Users\Admin\AppData\Local\Temp\cwdaebbhbxtnegmlklwge"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2424

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe /stext "C:\Users\Admin\AppData\Local\Temp\myqtfulaxflahuipbwjihewj"
3⤵
- Accesses Microsoft Outlook accounts
PID:2376

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe /stext "C:\Users\Admin\AppData\Local\Temp\ptvdymwclndfrbwtlzwjsjjscpf"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2880

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat
Filesize
144B

MD5
733ca2de822ec2f9a9d29f5b23243114

SHA1
a272d93c2f15bd9c048849a544d7ee47502f8697

SHA256
d559c737ceac5837985b886d1ac2715914d0d90e20c45da9a994c48e6078e6b6

SHA512
7173ae8a12bdd50be9b6470ec1a9f0529a927d5c6cce81682888242f592370df4802c4e88120d1f469195b2c359b43dc7b359a09c81801e20a802213c98de64a

Download Submit
C:\Users\Admin\AppData\Local\Temp\cwdaebbhbxtnegmlklwge
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/2188-25-0x0000000073BE0000-0x00000000742CE000-memory.dmp

Filesize
6.9MB

Download
memory/2188-1-0x0000000073BE0000-0x00000000742CE000-memory.dmp

Filesize
6.9MB

Download
memory/2188-2-0x0000000004F00000-0x0000000004F40000-memory.dmp

Filesize
256KB

Download
memory/2188-3-0x0000000000210000-0x0000000000220000-memory.dmp

Filesize
64KB

Download
memory/2188-4-0x0000000000230000-0x000000000023C000-memory.dmp

Filesize
48KB

Download
memory/2188-5-0x0000000004F40000-0x0000000005000000-memory.dmp

Filesize
768KB

Download
memory/2188-0-0x0000000000FF0000-0x00000000010E6000-memory.dmp

Filesize
984KB

Download
memory/2252-70-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2252-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2252-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-79-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2252-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-71-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2252-73-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2252-72-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2252-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2252-66-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2376-68-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2376-51-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2376-53-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2376-49-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2376-46-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2424-45-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2424-63-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2424-37-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2424-39-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2424-42-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2880-57-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2880-52-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2880-55-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2880-58-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

description	pid	process	target process
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2188 wrote to memory of 2252	2188	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2424	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2424	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2424	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2424	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2424	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2376	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2376	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2376	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2376	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2376	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2880	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2880	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2880	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2880	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2252 wrote to memory of 2880	2252	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads