remcos | 652a6e32539182b098e4fd1d381f757b1605609cc52fa665189458a6f7c5945a

General

Target

2.exe
Size

959KB
MD5

9e9bc9f31687d4921c6d50dc6f36109b
SHA1

aeb492cc63c12f0655d718d429ccdefbc89ea725
SHA256

652a6e32539182b098e4fd1d381f757b1605609cc52fa665189458a6f7c5945a
SHA512

5bd8e9b7fe95caaf446ee5cd7446565a17ef39065adf2e61ad9ebaa1cb7712afd85c913c9a53222bfe4b1ba02d909a19c7df7b01326a7b12a8f484a51599773f
SSDEEP

12288:avdsbuRtDtfGlug6m5ebj9UgmLM/4p90krg3bBA+SodRx2/ZVVAN2p0bY3BNlu:/Et9KWJ/w0krgrZTUB8Y3B

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
behavioral2/memory/4864-38-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/4864-45-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/3140-35-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3140-50-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4864-38-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3140-35-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4864-45-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2272-44-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2272-46-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3140-50-0x0000000000400000-0x0000000000478000-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:

2.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	2.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

2.exe2.exe

description	pid	process	target process
PID 4356 set thread context of 4208	4356	2.exe	2.exe
PID 4208 set thread context of 3140	4208	2.exe	2.exe
PID 4208 set thread context of 4864	4208	2.exe	2.exe
PID 4208 set thread context of 2272	4208	2.exe	2.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

2.exe2.exe2.exe

pid process

4356 2.exe
4356 2.exe
3140 2.exe
3140 2.exe
2272 2.exe
2272 2.exe
3140 2.exe
3140 2.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

2.exe

pid process

4208 2.exe
4208 2.exe
4208 2.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2.exe2.exe

description pid process

Token: SeDebugPrivilege 4356 2.exe
Token: SeDebugPrivilege 2272 2.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

2.exe

pid process

4208 2.exe

pid	process
4356	2.exe
4356	2.exe
3140	2.exe
3140	2.exe
2272	2.exe
2272	2.exe
3140	2.exe
3140	2.exe

pid	process
4208	2.exe
4208	2.exe
4208	2.exe

description	pid	process
Token: SeDebugPrivilege	4356	2.exe
Token: SeDebugPrivilege	2272	2.exe

pid	process
4208	2.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

2.exe2.exe

description	pid	process	target process
PID 4356 wrote to memory of 4988	4356	2.exe	2.exe
PID 4356 wrote to memory of 4988	4356	2.exe	2.exe
PID 4356 wrote to memory of 4988	4356	2.exe	2.exe
PID 4356 wrote to memory of 4208	4356	2.exe	2.exe
PID 4356 wrote to memory of 4208	4356	2.exe	2.exe
PID 4356 wrote to memory of 4208	4356	2.exe	2.exe
PID 4356 wrote to memory of 4208	4356	2.exe	2.exe
PID 4356 wrote to memory of 4208	4356	2.exe	2.exe
PID 4356 wrote to memory of 4208	4356	2.exe	2.exe
PID 4356 wrote to memory of 4208	4356	2.exe	2.exe
PID 4356 wrote to memory of 4208	4356	2.exe	2.exe
PID 4356 wrote to memory of 4208	4356	2.exe	2.exe
PID 4356 wrote to memory of 4208	4356	2.exe	2.exe
PID 4356 wrote to memory of 4208	4356	2.exe	2.exe
PID 4356 wrote to memory of 4208	4356	2.exe	2.exe
PID 4208 wrote to memory of 3140	4208	2.exe	2.exe
PID 4208 wrote to memory of 3140	4208	2.exe	2.exe
PID 4208 wrote to memory of 3140	4208	2.exe	2.exe
PID 4208 wrote to memory of 3140	4208	2.exe	2.exe
PID 4208 wrote to memory of 4864	4208	2.exe	2.exe
PID 4208 wrote to memory of 4864	4208	2.exe	2.exe
PID 4208 wrote to memory of 4864	4208	2.exe	2.exe
PID 4208 wrote to memory of 4864	4208	2.exe	2.exe
PID 4208 wrote to memory of 2272	4208	2.exe	2.exe
PID 4208 wrote to memory of 2272	4208	2.exe	2.exe
PID 4208 wrote to memory of 2272	4208	2.exe	2.exe
PID 4208 wrote to memory of 2272	4208	2.exe	2.exe

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4356

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
2⤵
PID:4988

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4208

C:\Users\Admin\AppData\Local\Temp\2.exe
C:\Users\Admin\AppData\Local\Temp\2.exe /stext "C:\Users\Admin\AppData\Local\Temp\vvlb"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3140

C:\Users\Admin\AppData\Local\Temp\2.exe
C:\Users\Admin\AppData\Local\Temp\2.exe /stext "C:\Users\Admin\AppData\Local\Temp\xpruytc"
3⤵
- Accesses Microsoft Outlook accounts
PID:4864

C:\Users\Admin\AppData\Local\Temp\2.exe
C:\Users\Admin\AppData\Local\Temp\2.exe /stext "C:\Users\Admin\AppData\Local\Temp\irwerlninm"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2272

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

Loading Replay Monitor...

Downloads

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

MD5
dbb290314cab69c97a7e9f29f05466f9

SHA1
89c69f1c44184b27ab24a1398060dd213f1a4c68

SHA256
f96789f567a972a3a8854b0c8f1615d4dd6e26dbbb69b61e1e15ac34a3698161

SHA512
5b21cc4d053a560b71ca2828d1e285893756c947af463387a46d0dcc27a300cffbc8b21d367012068de9343d5e76109422fbad2feb4158dcd93d5daf47768b3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\vvlb
Filesize
4KB

MD5
63a3d218b0d233efc9806729feba705a

SHA1
3cda6c59e0b8115d8538c8ff0d94a49294d516ac

SHA256
66ceb453b5931baa8d942d514cc1dcc41a24ab59313c0621daa9920bd0566bfd

SHA512
d0cfb106b57a4e90523c194d073a131bc65461d8e792b0be51aef89aa413dded53c2aba723fc677f68b1211411a0e105b5771cafa045d3e11d54db578577b683

Download Submit
memory/2272-46-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2272-44-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2272-39-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2272-32-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3140-27-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3140-50-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3140-35-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3140-31-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4208-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-92-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-91-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-65-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4208-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-57-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4208-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4208-55-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4208-56-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4208-52-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4356-6-0x00000000051D0000-0x00000000051E0000-memory.dmp

Filesize
64KB

Download
memory/4356-9-0x000000000A0F0000-0x000000000A18C000-memory.dmp

Filesize
624KB

Download
memory/4356-4-0x00000000051F0000-0x0000000005200000-memory.dmp

Filesize
64KB

Download
memory/4356-5-0x0000000004F70000-0x0000000004F7A000-memory.dmp

Filesize
40KB

Download
memory/4356-7-0x0000000006190000-0x000000000619C000-memory.dmp

Filesize
48KB

Download
memory/4356-1-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-3-0x0000000004F80000-0x0000000005012000-memory.dmp

Filesize
584KB

Download
memory/4356-14-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-2-0x00000000055E0000-0x0000000005B84000-memory.dmp

Filesize
5.6MB

Download
memory/4356-0-0x0000000000480000-0x0000000000574000-memory.dmp

Filesize
976KB

Download
memory/4356-8-0x0000000007960000-0x0000000007A20000-memory.dmp

Filesize
768KB

Download
memory/4864-45-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4864-28-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4864-33-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4864-38-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads