remcos | 605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69

General

Target

605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe
Size

1.2MB
MD5

2efac867c82992b9da1e063c6f32e4e1
SHA1

86654c0528c1c7708439db0369ea0c16fa1558c4
SHA256

605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69
SHA512

7795a73770c883ec2a51e429362503959c2dad89213eaf3788bbe4abc548d298e0b0b63411a7f5fad4879a079ff2a0d25039a068b51aeedc1e5ea5131cb32c4f
SSDEEP

24576:Mu6J33O0c+JY5UZ+XC0kGso6FaEfnZhnhtx60Pd4LuEsk6OVSmWY:Wu0c++OCvkGs9FaEfnXhtxp4LuK6OIY

Score

10^/10

remcos remotehost collection discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:45111

196.251.92.84:45111

ikechi2.duckdns.org:45111

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-ZKI7L3
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
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/3288-31-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/3288-33-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/1556-35-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1556-34-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4540-32-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4540-30-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/1556-39-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4540-41-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/3288-31-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral2/memory/3288-33-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4540-32-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4540-30-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4540-41-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	svchost.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/5056-6-0x0000000000F20000-0x0000000001320000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 5056 set thread context of 1692	5056	605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe	89
PID 1692 set thread context of 4540	1692	svchost.exe	94
PID 1692 set thread context of 3288	1692	svchost.exe	95
PID 1692 set thread context of 1556	1692	svchost.exe	97

System Location Discovery: System Language Discovery 1 TTPs 5 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4540	svchost.exe
4540	svchost.exe
4540	svchost.exe
4540	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
5056	605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1556	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5056	605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe
5056	605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
5056	605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe
5056	605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 1692	5056	605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe	89
PID 5056 wrote to memory of 1692	5056	605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe	89
PID 5056 wrote to memory of 1692	5056	605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe	89
PID 5056 wrote to memory of 1692	5056	605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe	89
PID 1692 wrote to memory of 4540	1692	svchost.exe	94
PID 1692 wrote to memory of 4540	1692	svchost.exe	94
PID 1692 wrote to memory of 4540	1692	svchost.exe	94
PID 1692 wrote to memory of 4540	1692	svchost.exe	94
PID 1692 wrote to memory of 3288	1692	svchost.exe	95
PID 1692 wrote to memory of 3288	1692	svchost.exe	95
PID 1692 wrote to memory of 3288	1692	svchost.exe	95
PID 1692 wrote to memory of 3288	1692	svchost.exe	95
PID 1692 wrote to memory of 5112	1692	svchost.exe	96
PID 1692 wrote to memory of 5112	1692	svchost.exe	96
PID 1692 wrote to memory of 5112	1692	svchost.exe	96
PID 1692 wrote to memory of 1556	1692	svchost.exe	97
PID 1692 wrote to memory of 1556	1692	svchost.exe	97
PID 1692 wrote to memory of 1556	1692	svchost.exe	97
PID 1692 wrote to memory of 1556	1692	svchost.exe	97

C:\Users\Admin\AppData\Local\Temp\605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe
"C:\Users\Admin\AppData\Local\Temp\605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1692
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\eoqcepnzojraawl"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4540
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\gqvuehyacrjfldzmhc"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:3288
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\rkinfaiuqzbknjvqqnbjc"
    3⤵
    PID:5112
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\rkinfaiuqzbknjvqqnbjc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\eoqcepnzojraawl

Filesize
4KB

MD5
8c7026b1782eb70d9339c3525a05528b

SHA1
9087399b2f863d19157a45702c66932a0d028211

SHA256
c9ccfd99d8866661dcc1e1cfcd01619d12ac835db6f2859e1aa4d873b6996622

SHA512
52b94ef24556888cab372bb5f8510ef849a39228f627a61a75a3e11ce8c55b205d348d340881da9cd0bab41218831a285b6ba50cfc7e4851d57efe85d7ebdf8c

Download Submit
memory/1556-29-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1556-27-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1556-39-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1556-34-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1556-35-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1692-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-10-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3288-31-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3288-26-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3288-33-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3288-23-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4540-30-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4540-32-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4540-41-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4540-25-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4540-21-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/5056-6-0x0000000000F20000-0x0000000001320000-memory.dmp

Filesize
4.0MB

Download

Analysis

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