remcos | 594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63

General

Target

594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
Size

483KB
MD5

c9148bef07805f3952a23a0bcdb025b9
SHA1

19dc64ef6207f4d29d02004f7919c0aa9b6df8ee
SHA256

594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63
SHA512

c323586276d912dc7ca5cd7ed901a02952fae648239596b58272259cc27199fcca2d0e4c7713d0443c2ee7efe3ba5b9eb37ba44d8087e35e5e5d0cef4dcd80ed
SSDEEP

6144:QTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZXAXkcrHT4:QTlrYw1RUh3NFn+N5WfIQIjbs/ZXkT4

Score

10^/10

remcos remotehost collection discovery rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

ramcxx.duckdns.org:50312

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-M3P7YT
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

Detected Nirsoft tools 8 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral2/memory/1516-19-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2392-24-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2392-18-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1776-17-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/1516-16-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/1516-9-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/1776-6-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/1776-26-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/1516-19-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/1516-16-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/1516-9-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/1776-17-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/1776-6-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/1776-26-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 5040 set thread context of 1776	5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe	84
PID 5040 set thread context of 1516	5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe	85
PID 5040 set thread context of 2392	5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe	86

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1776	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
1776	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
2392	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
2392	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
1776	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
1776	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 1776	5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe	84
PID 5040 wrote to memory of 1776	5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe	84
PID 5040 wrote to memory of 1776	5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe	84
PID 5040 wrote to memory of 1516	5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe	85
PID 5040 wrote to memory of 1516	5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe	85
PID 5040 wrote to memory of 1516	5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe	85
PID 5040 wrote to memory of 2392	5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe	86
PID 5040 wrote to memory of 2392	5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe	86
PID 5040 wrote to memory of 2392	5040	594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe	86

C:\Users\Admin\AppData\Local\Temp\594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
"C:\Users\Admin\AppData\Local\Temp\594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Users\Admin\AppData\Local\Temp\594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
  C:\Users\Admin\AppData\Local\Temp\594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe /stext "C:\Users\Admin\AppData\Local\Temp\jgeqdctgokyiaftobhddpdoahyedgunn"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1776
- C:\Users\Admin\AppData\Local\Temp\594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
  C:\Users\Admin\AppData\Local\Temp\594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe /stext "C:\Users\Admin\AppData\Local\Temp\taji"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:1516
- C:\Users\Admin\AppData\Local\Temp\594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe
  C:\Users\Admin\AppData\Local\Temp\594953ed201ce315eb73865c1bd5c0732fc5fb42091c71d777f9080b74138d63.exe /stext "C:\Users\Admin\AppData\Local\Temp\wupbxnp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
f2228b540789c92a906ca74851e4d2e0

SHA1
5185b64845693439e49aa78020f2091cf29e5107

SHA256
5ef44f4d65c60a0a72195b743ecefb6ad37da2847851127a315cd94630ab4fa8

SHA512
a5f100730401641b8451534a5b6cf780810ee11352d515c64983a19c01c7dd5255d76dbeb7c010caaf85295c9e8e6ed2d0d931d0d02997c930785e7867a288ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\jgeqdctgokyiaftobhddpdoahyedgunn

Filesize
4KB

MD5
1891919175c888ce82e9bd8a047b01ad

SHA1
502a6892a5d27ecb791ac5aa6d8586944f540453

SHA256
a6c43b4e4b8681cf0ef56c49c730fa77e34dc82db0260253a3ba75039030b9ec

SHA512
8bb940050b1abf6c27db133ed446f41e108f670f361ed5102408832ce33d9b87cd0880723441f1632292eeeb0a319c4e0fac0ea659eb55ebe1130cc3e6c776a3

Download Submit
memory/1516-19-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1516-3-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1516-16-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1516-9-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1516-7-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1776-6-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1776-1-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1776-26-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1776-17-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1776-4-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2392-18-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2392-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2392-24-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2392-20-0x0000000000430000-0x00000000004F9000-memory.dmp

Filesize
804KB

Download
memory/2392-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5040-29-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/5040-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5040-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5040-33-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/5040-32-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/5040-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5040-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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