remcos | b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc

General

Target

b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
Size

482KB
MD5

a0453ab39ff4d213a85b94f1ad4478ac
SHA1

8a8f01321a77ac06693bded5cd39b3ca3197cf96
SHA256

b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc
SHA512

51c1e03d1a7892d3b8943c42d6ee2a57cf077b041041f31278da272ebaeef575d689446cfddb53c1a71cd7fcffa4f96ed34e65032e184fbbe45ef0cad85f47d6
SSDEEP

12288:513ak/mBXTG4/1v08KI7ZnMEF76JqmsvZQMS:rak/mBXTV/R0nEF76gFZn

Score

10^/10

remcos billionairewealth collection discovery rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

Billionairewealth

C2

treeofwealth.freemyip.com:3980

treeofwealth.freemyip.com:3981

treeofwealthyz.freemyip.com:3980

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-A5VKNH
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/1032-20-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1032-16-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1032-23-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3672-22-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2980-15-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/2980-9-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3672-8-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2980-27-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/3672-22-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/3672-8-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/2980-15-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/2980-9-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/2980-27-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe

Deletes itself 1 IoCs

pid	Process
2404	WScript.exe

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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1496 set thread context of 2980	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	82
PID 1496 set thread context of 3672	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	83
PID 1496 set thread context of 1032	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	84

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\Local Settings	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2980	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
2980	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
1032	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
1032	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
2980	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
2980	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1032	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 2980	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	82
PID 1496 wrote to memory of 2980	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	82
PID 1496 wrote to memory of 2980	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	82
PID 1496 wrote to memory of 3672	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	83
PID 1496 wrote to memory of 3672	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	83
PID 1496 wrote to memory of 3672	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	83
PID 1496 wrote to memory of 1032	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	84
PID 1496 wrote to memory of 1032	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	84
PID 1496 wrote to memory of 1032	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	84
PID 1496 wrote to memory of 2404	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	90
PID 1496 wrote to memory of 2404	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	90
PID 1496 wrote to memory of 2404	1496	b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe	90

C:\Users\Admin\AppData\Local\Temp\b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
"C:\Users\Admin\AppData\Local\Temp\b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1496
- C:\Users\Admin\AppData\Local\Temp\b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
  C:\Users\Admin\AppData\Local\Temp\b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe /stext "C:\Users\Admin\AppData\Local\Temp\vshszjkujuvzzibeqvt"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2980
- C:\Users\Admin\AppData\Local\Temp\b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
  C:\Users\Admin\AppData\Local\Temp\b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ymudacvwfcnekopihggxipc"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:3672
- C:\Users\Admin\AppData\Local\Temp\b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe
  C:\Users\Admin\AppData\Local\Temp\b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ioavsmoptkfrmcluqqtqlcplnx"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1032
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ewqhrjctjychjrbunhiqbeftdcocn.vbs"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2404

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

Query Registry

1

T1012

System Information Discovery

2

T1082

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
8364b40ef3356fe0cae2319565f3f817

SHA1
cf3b706edda9ef130d7b34bebffecc5afae5cc3d

SHA256
1abff09806875d84876d712a11f843ee3c135b1be5051348feeefd31349cec36

SHA512
a84549441af29fa99cc606ee2337628327f4a2108ab2b4f78b441f9e4906daf85b6f6362bb1aeb498c58900cb021d430f5a7cde7af5150a9f09932342b28be4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\ewqhrjctjychjrbunhiqbeftdcocn.vbs

Filesize
728B

MD5
4ca1202fab80165cde68ca3e5bd9aa2c

SHA1
026f23f0e83fb032ef0c53d239e529da67539e87

SHA256
d481de773e90d8b39b9684c6ad5fa5d9d7e13a60d0cb6b58c5d0a5fb996c6be1

SHA512
5ec3cf12cba7cae57c92d76753be0cf5db8301cc0d1372de59849ec709b5992b902f5de845b2cc1ca1a1a448638ab927a2262522b474be8b09fca92ce73b10d7

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

Filesize
4KB

MD5
57509a6a6267f17bef5e5da8b1df8829

SHA1
0886741be12c4e6dd24688df7b9568e91b2fc2aa

SHA256
4d50e4b2ee7b25d6a88dea6a28503975ca95f98e6e72fcd1ee754d016df3ed3d

SHA512
019c20a2354ef20ff3870ea4d544ae4e7ec21729bfbeb19d2dd2f8b087fcb6b83f259ab2f35e0f3c7f044ebb7c5bbfdfc63f23b811d458a15f5ad35aa9175228

Download Submit
memory/1032-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1032-20-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1032-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1032-21-0x0000000000430000-0x00000000004F9000-memory.dmp

Filesize
804KB

Download
memory/1032-23-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1032-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1496-34-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1496-36-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1496-47-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1496-40-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1496-38-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1496-35-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1496-30-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1496-33-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2980-27-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2980-2-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2980-15-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2980-9-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2980-7-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3672-4-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3672-10-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3672-22-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3672-8-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

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