remcos | 105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8

General

Target

105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
Size

482KB
MD5

e5f62262b9f4ee67ffb7c15ebe428a89
SHA1

b037adae7507ab9103ca5d30d62302c973352d6f
SHA256

105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8
SHA512

5e6508a0b6ebf3633cace9b084a5bac98f77021564b62a503e9f22b4e6debfd7f0fb653150b96fd7e39a04c59fc3ef33e9bfebef4882a95cf5acca3e78c1587a
SSDEEP

6144:7Tz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZmAX4crKT4:7TlrYw1RUh3NFn+N5WfIQIjbs/ZmBT4

Score

10^/10

remcos remotehost collection discovery rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

stinosa.duckdns.org: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-XF3AOC
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
true
take_screenshot_time
5

Signatures

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

Detected Nirsoft tools 7 IoCs

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

resource	yara_rule
behavioral2/memory/2656-12-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2480-20-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2480-21-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/4784-13-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4784-11-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/2656-18-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4784-25-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/2480-20-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/2480-21-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4784-13-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4784-11-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4784-25-0x0000000000400000-0x0000000000478000-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-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1396 set thread context of 4784	1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe	82
PID 1396 set thread context of 2480	1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe	83
PID 1396 set thread context of 2656	1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe	84

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	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4784	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
4784	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
2656	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
2656	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
4784	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
4784	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 4784	1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe	82
PID 1396 wrote to memory of 4784	1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe	82
PID 1396 wrote to memory of 4784	1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe	82
PID 1396 wrote to memory of 2480	1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe	83
PID 1396 wrote to memory of 2480	1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe	83
PID 1396 wrote to memory of 2480	1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe	83
PID 1396 wrote to memory of 2656	1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe	84
PID 1396 wrote to memory of 2656	1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe	84
PID 1396 wrote to memory of 2656	1396	105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe	84

C:\Users\Admin\AppData\Local\Temp\105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
"C:\Users\Admin\AppData\Local\Temp\105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Users\Admin\AppData\Local\Temp\105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
  C:\Users\Admin\AppData\Local\Temp\105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe /stext "C:\Users\Admin\AppData\Local\Temp\genegretosaumyhuakhtkcsltwucqjxuk"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4784
- C:\Users\Admin\AppData\Local\Temp\105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
  C:\Users\Admin\AppData\Local\Temp\105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe /stext "C:\Users\Admin\AppData\Local\Temp\rgswh"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:2480
- C:\Users\Admin\AppData\Local\Temp\105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe
  C:\Users\Admin\AppData\Local\Temp\105d2d63ad642a68e636c975bac2b5b60cd76ecb684d6c4a85fa6562d48f0de8.exe /stext "C:\Users\Admin\AppData\Local\Temp\taxhiuho"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2656

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
92ee2defb58dfd19e0136aea8dae2b21

SHA1
801eb56bd2ad23e2c09aacc038ea0aafa44e387f

SHA256
24001383754532802f9f3c9bcf4601109153cca11b7b45128d511e44adc4bc61

SHA512
04fb66dab5a2670b7a1da125521d20496f6b8f6b2c3a056b2cc88898888cd54c0a98b86f8cce127c1b250a008193d9babb7a2474dbd95f279de3fe2e2667311d

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

Filesize
4KB

MD5
ea01dd92b15d2f570f6b167dad2d1fd0

SHA1
7b89141d4c3eb2f29d096f28a9bfe66eb006224a

SHA256
0515f49138d74283f9ac1042fd1a384f715b74c2b99193454dbb0cd585097727

SHA512
0e7695aea30250a41829fa4abb681b8c3ed4c0955e18f1f9f3a5456bfb3a76f016f538e557bf29b99ab6ab48c846f9fa3c4bccd8cb5fe73099a81b5946029ec8

Download Submit
memory/1396-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1396-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1396-28-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1396-31-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1396-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1396-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1396-32-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2480-19-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2480-21-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2480-7-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2480-20-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2480-3-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2656-17-0x0000000000430000-0x00000000004F9000-memory.dmp

Filesize
804KB

Download
memory/2656-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2656-18-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2656-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2656-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4784-25-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4784-11-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4784-13-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4784-1-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4784-6-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

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