remcos | 6a8c2987ea059d7ad328722dfe1d8c7e08f257fbf3b7ef9dfd37b8e2f485840a

General

Target

1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
Size

483KB
MD5

848b4297cc3b325ab1f7cbf347b35624
SHA1

d809d80dab17186abd0bb9cd5b4c05d92d81e220
SHA256

6a8c2987ea059d7ad328722dfe1d8c7e08f257fbf3b7ef9dfd37b8e2f485840a
SHA512

471ed0a0dde27cd122b703c6ab218bee5b6d03f0733b0f80b329dd6a9195e484924d23fc9c9469a72b2470a4dc4cad76d98576dc24421b8d0ad8dd09eb0f17e6
SSDEEP

6144:W5zY+w1LqZBCxKedv//NEUn+N5hkf/0TE7RvIZ/jbsAORZzAXMcrKA4:W5k+Yqaxrh3Nln+N52fIA4jbsvZzhA4

Score

10^/10

remcos wealthmanifested collection discovery rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

WEALTHMANIFESTED

C2

janbours92harbu007.duckdns.org:3981

janbours92harbu007.duckdns.org:3980

Wealthabundance.duckdns.org:3980

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
true
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc0393949-KH667X
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
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 10 IoCs

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

resource	yara_rule
behavioral2/memory/1828-16-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3760-19-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3760-21-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/1828-20-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1828-15-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/928-14-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/1828-11-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/928-13-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3760-25-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/928-28-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/3760-19-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/3760-21-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/3760-25-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/928-14-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/928-13-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/928-28-0x0000000000400000-0x0000000000478000-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	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 448 set thread context of 928	448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe	89
PID 448 set thread context of 3760	448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe	90
PID 448 set thread context of 1828	448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe	91

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	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1828	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
928	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
928	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
1828	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
928	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
928	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1828	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 928	448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe	89
PID 448 wrote to memory of 928	448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe	89
PID 448 wrote to memory of 928	448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe	89
PID 448 wrote to memory of 3760	448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe	90
PID 448 wrote to memory of 3760	448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe	90
PID 448 wrote to memory of 3760	448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe	90
PID 448 wrote to memory of 1828	448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe	91
PID 448 wrote to memory of 1828	448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe	91
PID 448 wrote to memory of 1828	448	1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe	91

C:\Users\Admin\AppData\Local\Temp\1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
"C:\Users\Admin\AppData\Local\Temp\1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:448
- C:\Users\Admin\AppData\Local\Temp\1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\zyhnel"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:928
- C:\Users\Admin\AppData\Local\Temp\1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\ksmffeyky"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:3760
- C:\Users\Admin\AppData\Local\Temp\1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\1729445225fa0e5768d1d682409147d63519fc74f7a5fbd0985a9e3ffe794cd2fed7b2306d148.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\umrygwidmfch"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1828

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\zyhnel

Filesize
4KB

MD5
75379d3dcbcea6a69bc75b884816dd40

SHA1
7e073a03c3bdbbc60375ddbe56bba211c3d412a6

SHA256
cab559f3bbe4a0beb194dffca723b3072184b92687100462eaab04d66fff8de9

SHA512
710c2cee369a57a0039fc0d0c59de6118780210ef60ad0daf374f03ba94ab08039bc2aff821f7c99a0ecd0e16189c52e5b6d630b3d541f7b11375f134b985e8c

Download Submit
memory/448-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/448-34-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/448-35-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/448-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/448-31-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/928-13-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/928-7-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/928-14-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/928-28-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/928-3-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1828-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1828-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1828-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1828-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1828-17-0x0000000000430000-0x00000000004F9000-memory.dmp

Filesize
804KB

Download
memory/1828-20-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1828-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3760-12-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3760-4-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3760-25-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3760-21-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3760-19-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

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