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 3 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/2076-48-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2076-47-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2076-69-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/3016-42-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/3016-58-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3016-42-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2076-48-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2076-47-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/808-51-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/808-52-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/808-53-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/3016-58-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2076-69-0x0000000000400000-0x0000000000462000-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:

2.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\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 2092 set thread context of 2576	2092	2.exe	2.exe
PID 2576 set thread context of 3016	2576	2.exe	2.exe
PID 2576 set thread context of 2076	2576	2.exe	2.exe
PID 2576 set thread context of 808	2576	2.exe	2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2.exe

pid process

3016 2.exe
3016 2.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

2.exe

pid process

2576 2.exe
2576 2.exe
2576 2.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

2.exe

description pid process

Token: SeDebugPrivilege 808 2.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

2.exe

pid process

2576 2.exe

pid	process
3016	2.exe
3016	2.exe

pid	process
2576	2.exe
2576	2.exe
2576	2.exe

description	pid	process
Token: SeDebugPrivilege	808	2.exe

pid	process
2576	2.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

2.exe2.exe

description	pid	process	target process
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2092 wrote to memory of 2576	2092	2.exe	2.exe
PID 2576 wrote to memory of 3016	2576	2.exe	2.exe
PID 2576 wrote to memory of 3016	2576	2.exe	2.exe
PID 2576 wrote to memory of 3016	2576	2.exe	2.exe
PID 2576 wrote to memory of 3016	2576	2.exe	2.exe
PID 2576 wrote to memory of 3016	2576	2.exe	2.exe
PID 2576 wrote to memory of 2076	2576	2.exe	2.exe
PID 2576 wrote to memory of 2076	2576	2.exe	2.exe
PID 2576 wrote to memory of 2076	2576	2.exe	2.exe
PID 2576 wrote to memory of 2076	2576	2.exe	2.exe
PID 2576 wrote to memory of 2076	2576	2.exe	2.exe
PID 2576 wrote to memory of 808	2576	2.exe	2.exe
PID 2576 wrote to memory of 808	2576	2.exe	2.exe
PID 2576 wrote to memory of 808	2576	2.exe	2.exe
PID 2576 wrote to memory of 808	2576	2.exe	2.exe
PID 2576 wrote to memory of 808	2576	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 use of WriteProcessMemory
PID:2092

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:2576

C:\Users\Admin\AppData\Local\Temp\2.exe
C:\Users\Admin\AppData\Local\Temp\2.exe /stext "C:\Users\Admin\AppData\Local\Temp\lslszgtdwwasidblpserlghkrjlgy"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3016

C:\Users\Admin\AppData\Local\Temp\2.exe
C:\Users\Admin\AppData\Local\Temp\2.exe /stext "C:\Users\Admin\AppData\Local\Temp\nmqcaydejesxtjqpzdrtwtctaxcgzrdgf"
3⤵
- Accesses Microsoft Outlook accounts
PID:2076

C:\Users\Admin\AppData\Local\Temp\2.exe
C:\Users\Admin\AppData\Local\Temp\2.exe /stext "C:\Users\Admin\AppData\Local\Temp\xpdva"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:808

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
c375c5451fa45415969a7da05d6911dc

SHA1
95d35f2dff8e0e25c1755b963bb58f8655939b55

SHA256
969ae795a35afed1c53b703399659dc76ee0903245b2f17ccba86c9180320a20

SHA512
65da5f74758f148a53579b86e7c453d0299840f62d320c1f36201c191b81c3b2e6d847719acd679c706a4a6088b6d1520b342640e4c4404a60bfc44178703c25

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

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/808-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/808-46-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/808-50-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/808-51-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/808-52-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/808-53-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2076-48-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2076-69-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2076-47-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2076-39-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2076-43-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2092-0-0x0000000000A90000-0x0000000000B84000-memory.dmp

Filesize
976KB

Download
memory/2092-5-0x0000000005DF0000-0x0000000005EB0000-memory.dmp

Filesize
768KB

Download
memory/2092-4-0x0000000000720000-0x000000000072C000-memory.dmp

Filesize
48KB

Download
memory/2092-3-0x00000000004F0000-0x0000000000500000-memory.dmp

Filesize
64KB

Download
memory/2092-18-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-2-0x0000000004310000-0x0000000004350000-memory.dmp

Filesize
256KB

Download
memory/2092-1-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-65-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2576-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-93-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-92-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-61-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2576-64-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2576-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-66-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2576-67-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2576-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-77-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2576-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3016-58-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-42-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-34-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-38-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads