remcos | 13a780d9b9243d3fea7a8f28655b9c3cc752e39fa7ade991ef73e4f89e7b6c26

General

Target

873fb22d93c231e49477c051c6438c28.exe
Size

1.3MB
MD5

873fb22d93c231e49477c051c6438c28
SHA1

ff18a1f60a255d63bd2a6f7e927bf7341bb1bb02
SHA256

13a780d9b9243d3fea7a8f28655b9c3cc752e39fa7ade991ef73e4f89e7b6c26
SHA512

9955adf3bd77ec8e79e2171a0e7f8e6ba98e4f910641a8ee56f278d66832cd00312c1c765fffbf8956fca46604a31f6942f8b51eabcc3146b4fd5a2217f943f7
SSDEEP

24576:kaXk+nGvZEePw/+xKgVV3PgirOpaGL5i9AO/JV8m0R:r/GjZBFP1Gk/8b

Score

10^/10

remcos remotehost collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

64.188.22.11:2404

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-10FYXY
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/920-45-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/920-42-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/920-56-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/764-43-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/764-44-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/764-54-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/764-43-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/584-49-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/920-45-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/920-42-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/764-44-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/764-54-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/920-56-0x0000000000400000-0x0000000000457000-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:

873fb22d93c231e49477c051c6438c28.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	873fb22d93c231e49477c051c6438c28.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

873fb22d93c231e49477c051c6438c28.exe873fb22d93c231e49477c051c6438c28.exe

description	pid	process	target process
PID 2004 set thread context of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 set thread context of 764	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 set thread context of 920	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 set thread context of 584	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

873fb22d93c231e49477c051c6438c28.exe

pid process

764 873fb22d93c231e49477c051c6438c28.exe
764 873fb22d93c231e49477c051c6438c28.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

873fb22d93c231e49477c051c6438c28.exe

pid process

2840 873fb22d93c231e49477c051c6438c28.exe
2840 873fb22d93c231e49477c051c6438c28.exe
2840 873fb22d93c231e49477c051c6438c28.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

873fb22d93c231e49477c051c6438c28.exe

description pid process

Token: SeDebugPrivilege 584 873fb22d93c231e49477c051c6438c28.exe

pid	process
764	873fb22d93c231e49477c051c6438c28.exe
764	873fb22d93c231e49477c051c6438c28.exe

pid	process
2840	873fb22d93c231e49477c051c6438c28.exe
2840	873fb22d93c231e49477c051c6438c28.exe
2840	873fb22d93c231e49477c051c6438c28.exe

description	pid	process
Token: SeDebugPrivilege	584	873fb22d93c231e49477c051c6438c28.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

873fb22d93c231e49477c051c6438c28.exe873fb22d93c231e49477c051c6438c28.exe

C:\Users\Admin\AppData\Local\Temp\873fb22d93c231e49477c051c6438c28.exe
"C:\Users\Admin\AppData\Local\Temp\873fb22d93c231e49477c051c6438c28.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2004

C:\Users\Admin\AppData\Local\Temp\873fb22d93c231e49477c051c6438c28.exe
"C:\Users\Admin\AppData\Local\Temp\873fb22d93c231e49477c051c6438c28.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2840

C:\Users\Admin\AppData\Local\Temp\873fb22d93c231e49477c051c6438c28.exe
C:\Users\Admin\AppData\Local\Temp\873fb22d93c231e49477c051c6438c28.exe /stext "C:\Users\Admin\AppData\Local\Temp\aedsidhzfoifuxq"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:764

C:\Users\Admin\AppData\Local\Temp\873fb22d93c231e49477c051c6438c28.exe
C:\Users\Admin\AppData\Local\Temp\873fb22d93c231e49477c051c6438c28.exe /stext "C:\Users\Admin\AppData\Local\Temp\kgilbwrasxakedmuvbm"
3⤵
- Accesses Microsoft Outlook accounts
PID:920

C:\Users\Admin\AppData\Local\Temp\873fb22d93c231e49477c051c6438c28.exe
C:\Users\Admin\AppData\Local\Temp\873fb22d93c231e49477c051c6438c28.exe /stext "C:\Users\Admin\AppData\Local\Temp\nanvcocugfsphrayflzxpa"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:584

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:\Users\Admin\AppData\Local\Temp\aedsidhzfoifuxq
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/584-48-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/584-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/584-47-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/584-46-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/764-34-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/764-43-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/764-39-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/764-44-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/764-54-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/920-45-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/920-41-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/920-38-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/920-42-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/920-56-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2004-7-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2004-22-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2004-0-0x0000000000D90000-0x0000000000ED8000-memory.dmp

Filesize
1.3MB

Download
memory/2004-8-0x0000000004650000-0x0000000004690000-memory.dmp

Filesize
256KB

Download
memory/2004-6-0x00000000078B0000-0x0000000007996000-memory.dmp

Filesize
920KB

Download
memory/2004-5-0x00000000003C0000-0x00000000003D4000-memory.dmp

Filesize
80KB

Download
memory/2004-4-0x0000000000370000-0x000000000037E000-memory.dmp

Filesize
56KB

Download
memory/2004-3-0x0000000000410000-0x0000000000428000-memory.dmp

Filesize
96KB

Download
memory/2004-2-0x0000000004650000-0x0000000004690000-memory.dmp

Filesize
256KB

Download
memory/2004-1-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-57-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2840-60-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2840-61-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2840-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2840-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

description	pid	process	target process
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2004 wrote to memory of 2840	2004	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 764	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 764	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 764	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 764	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 764	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 920	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 920	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 920	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 920	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 920	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 584	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 584	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 584	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 584	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe
PID 2840 wrote to memory of 584	2840	873fb22d93c231e49477c051c6438c28.exe	873fb22d93c231e49477c051c6438c28.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads