remcos | d159259b6701483ecd7040fa99362ccd532ccab3313d433a08ed67cdd7200ba6

General

Target

1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
Size

483KB
MD5

9d2dfcaad50f22562ad67f8100f8d268
SHA1

c665639a95573e4dee78656af2399fec70133b19
SHA256

d159259b6701483ecd7040fa99362ccd532ccab3313d433a08ed67cdd7200ba6
SHA512

98495df2114209c03040f25e8a6956a93a1d75cfcf0a965d4aa96832be963876dabea0c73f5c32edfcabde17d5f9d983586e543603325c0e8afc10593eb1870d
SSDEEP

6144:QTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZXAXkcrLT4:QTlrYw1RUh3NFn+N5WfIQIjbs/ZXUT4

Score

10^/10

remcos manifestationofwealth collection discovery rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

MANIFESTATIONOFWEALTH

C2

janbours92harbu03.duckdns.org:3980

janbours92harbu04.duckdns.org:3981

janbours92harbu007.duckdns.org:3981

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
Rmc-DGYVFK
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 8 IoCs

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

resource	yara_rule
behavioral2/memory/1088-14-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/5096-18-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/1088-17-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1088-26-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/5096-22-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/4628-15-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4628-12-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4628-28-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/5096-18-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/5096-22-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4628-15-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4628-12-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4628-28-0x0000000000400000-0x0000000000478000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe

Deletes itself 1 IoCs

pid	Process
4028	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-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 640 set thread context of 4628	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	95
PID 640 set thread context of 5096	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	96
PID 640 set thread context of 1088	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	97

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	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4628	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
4628	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
1088	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
1088	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
4628	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
4628	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1088	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 4628	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	95
PID 640 wrote to memory of 4628	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	95
PID 640 wrote to memory of 4628	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	95
PID 640 wrote to memory of 5096	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	96
PID 640 wrote to memory of 5096	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	96
PID 640 wrote to memory of 5096	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	96
PID 640 wrote to memory of 1088	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	97
PID 640 wrote to memory of 1088	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	97
PID 640 wrote to memory of 1088	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	97
PID 640 wrote to memory of 4028	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	105
PID 640 wrote to memory of 4028	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	105
PID 640 wrote to memory of 4028	640	1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe	105

C:\Users\Admin\AppData\Local\Temp\1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
"C:\Users\Admin\AppData\Local\Temp\1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.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:640
- C:\Users\Admin\AppData\Local\Temp\1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\juswyipgdspkkppfrointexcpy"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4628
- C:\Users\Admin\AppData\Local\Temp\1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\uoxpybairahxuvdjirvgerstqfdvs"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:5096
- C:\Users\Admin\AppData\Local\Temp\1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\1729022872b8fae641a98b236571422197a34480f404f44291e36642b114aee58fc24f5bb1699.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\wrkzztkbfizbwjanschihveczluelykar"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1088
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\nulortcafegj.vbs"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4028

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:\Users\Admin\AppData\Local\Temp\juswyipgdspkkppfrointexcpy

Filesize
4KB

MD5
c3c5f2de99b7486f697634681e21bab0

SHA1
00f90d495c0b2b63fde6532e033fdd2ade25633d

SHA256
76296dc29f718988107d35d0e0b835c2bf3fc7405e79e5121aa4738f82b51582

SHA512
7c60ffdc093de30e793d20768877f2f586bee3e948767871f9a1139252d5d2f593ba6f88ce0ed5f72c79faddb26186792df0581e4b6c84d405c44d9d12f951b8

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

Filesize
828B

MD5
d2b60be911b95d205698d570ba921535

SHA1
b5b880f64b127d451260299e871eb548d1a72116

SHA256
fd5b654ac9e3700abbe97559f64e6385230894e3e7ebdf8b3f341911fa8ba720

SHA512
56dfc1412109a46c112a73a6f37c8604958db7e54ec88f56180b2490719c2897c479bfa5e0397d95094fcb8c57181a51f202c70247126d24894c74a4479fe337

Download Submit
memory/640-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/640-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/640-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/640-34-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/640-35-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/640-31-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1088-23-0x0000000000430000-0x00000000004F9000-memory.dmp

Filesize
804KB

Download
memory/1088-26-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1088-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1088-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1088-14-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1088-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4628-28-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4628-9-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4628-3-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4628-12-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4628-15-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/5096-16-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/5096-22-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/5096-11-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/5096-18-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/5096-6-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

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