remcos | 72be52fba2205242c1ce33347edf5f3e207188663300f522a6a6ec36c6a73237

General

Target

17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
Size

482KB
MD5

9d0cb1390b23b035277d9595fd22a333
SHA1

fa0288c883caa88fa86b696fad34e0d1d0c3c8e9
SHA256

72be52fba2205242c1ce33347edf5f3e207188663300f522a6a6ec36c6a73237
SHA512

eaf8132e1e358f55661107efdf9dde0bb398666d4b766374e0dcf0d2ac7d1063a424c4ffef43fa91cbc7bfabdf0a92ee2b91bb9b82aa8e4b61d57c6367aa0b8b
SSDEEP

12288:x13ak/mBXTG4/1v08KI7ZnMEF76JqmsvZQoS:jak/mBXTV/R0nEF76gFZ/

Score

10^/10

remcos remotehost collection discovery rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

agamwizard.duckdns.org:4044

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-6Q74EM
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
Remcos family
remcos

Detected Nirsoft tools 8 IoCs

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

resource	yara_rule
behavioral2/memory/1424-11-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/1992-15-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1424-17-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/1992-21-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1424-13-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/1992-12-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4888-16-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4888-26-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/1424-11-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/1424-17-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/1424-13-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4888-16-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4888-26-0x0000000000400000-0x0000000000478000-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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1276 set thread context of 4888	1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe	82
PID 1276 set thread context of 1424	1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe	83
PID 1276 set thread context of 1992	1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.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	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4888	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
4888	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
1992	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
1992	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
4888	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
4888	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 4888	1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe	82
PID 1276 wrote to memory of 4888	1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe	82
PID 1276 wrote to memory of 4888	1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe	82
PID 1276 wrote to memory of 1424	1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe	83
PID 1276 wrote to memory of 1424	1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe	83
PID 1276 wrote to memory of 1424	1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe	83
PID 1276 wrote to memory of 1992	1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe	84
PID 1276 wrote to memory of 1992	1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe	84
PID 1276 wrote to memory of 1992	1276	17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe	84

C:\Users\Admin\AppData\Local\Temp\17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
"C:\Users\Admin\AppData\Local\Temp\17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\mgyqafbusraebnetfmdroep"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4888
- C:\Users\Admin\AppData\Local\Temp\17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\wiebbqlwgzsjdtaxxwxtzicsaz"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:1424
- C:\Users\Admin\AppData\Local\Temp\17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\17370938951a14873d33636e391a5adb3fd04f0019a74066743c8e9d9df33c4063f606b0d0279.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\ycrtciepbhkonaojgzkmcvwbafbay"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1992

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:\Users\Admin\AppData\Local\Temp\mgyqafbusraebnetfmdroep

Filesize
4KB

MD5
75379d3dcbcea6a69bc75b884816dd40

SHA1
7e073a03c3bdbbc60375ddbe56bba211c3d412a6

SHA256
cab559f3bbe4a0beb194dffca723b3072184b92687100462eaab04d66fff8de9

SHA512
710c2cee369a57a0039fc0d0c59de6118780210ef60ad0daf374f03ba94ab08039bc2aff821f7c99a0ecd0e16189c52e5b6d630b3d541f7b11375f134b985e8c

Download Submit
memory/1276-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1276-36-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1276-32-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1276-33-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1276-35-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1276-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1276-29-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1424-11-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1424-10-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1424-13-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1424-3-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1424-17-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1992-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1992-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1992-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1992-21-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1992-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4888-16-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4888-1-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4888-26-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4888-9-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4888-14-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

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