remcos | 9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85

General

Target

9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe
Size

1.1MB
MD5

3d63053839cc9d424e02fd767ec10780
SHA1

772bcd8e513d5bd36f5391e35e64b1fe529d2a23
SHA256

9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85
SHA512

9ac0b979217e14d5b94c83f5b610beef3c1a1741dd3ae201627a9011451eae87ac348458b7df9421acaf03ba16dd2dc18d705e5661d990c06a4b0edbc5811d5a
SSDEEP

24576:b6G5oq6WlY5EQJbBCt598PkfzGwWPEXyqw:bPQrJChIP1q

Score

10^/10

remcos remotehost collection persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.175.229.139:8087

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-TLPQMO
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

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 17 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5896-12-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-15-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-14-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-13-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-9-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-16-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-17-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-19-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-18-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-21-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-23-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-24-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-50-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-54-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-58-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-59-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/5896-66-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Detects executables built or packed with MPress PE compressor 12 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1380-25-0x0000000000400000-0x0000000000478000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1380-27-0x0000000000400000-0x0000000000478000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4344-31-0x0000000000400000-0x0000000000424000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4344-30-0x0000000000400000-0x0000000000424000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5600-33-0x0000000000400000-0x0000000000462000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4344-32-0x0000000000400000-0x0000000000424000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1380-29-0x0000000000400000-0x0000000000478000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5600-28-0x0000000000400000-0x0000000000462000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5600-26-0x0000000000400000-0x0000000000462000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5896-45-0x0000000016F60000-0x0000000016F79000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5896-49-0x0000000016F60000-0x0000000016F79000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5896-48-0x0000000016F60000-0x0000000016F79000-memory.dmp	INDICATOR_EXE_Packed_MPress

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5600-33-0x0000000000400000-0x0000000000462000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5600-33-0x0000000000400000-0x0000000000462000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/5600-33-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/1380-29-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5600-33-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/4344-32-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1380-29-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

colorcpl.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	colorcpl.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Pzuhzgxz = "C:\\Users\\Public\\Pzuhzgxz.url"	9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

colorcpl.exe

description	pid	process	target process
PID 5896 set thread context of 1380	5896	colorcpl.exe	colorcpl.exe
PID 5896 set thread context of 5600	5896	colorcpl.exe	colorcpl.exe
PID 5896 set thread context of 4344	5896	colorcpl.exe	colorcpl.exe

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	22	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	23	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.execolorcpl.execolorcpl.exe

pid	process
904	9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe
904	9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe
1380	colorcpl.exe
1380	colorcpl.exe
4344	colorcpl.exe
4344	colorcpl.exe
1380	colorcpl.exe
1380	colorcpl.exe

Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

colorcpl.exe

pid process

5896 colorcpl.exe
5896 colorcpl.exe
5896 colorcpl.exe
5896 colorcpl.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

colorcpl.exe

description pid process

Token: SeDebugPrivilege 4344 colorcpl.exe

pid	process
5896	colorcpl.exe
5896	colorcpl.exe
5896	colorcpl.exe
5896	colorcpl.exe

description	pid	process
Token: SeDebugPrivilege	4344	colorcpl.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.execolorcpl.exe

description	pid	process	target process
PID 904 wrote to memory of 4860	904	9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe	extrac32.exe
PID 904 wrote to memory of 4860	904	9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe	extrac32.exe
PID 904 wrote to memory of 4860	904	9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe	extrac32.exe
PID 904 wrote to memory of 5896	904	9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe	colorcpl.exe
PID 904 wrote to memory of 5896	904	9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe	colorcpl.exe
PID 904 wrote to memory of 5896	904	9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe	colorcpl.exe
PID 904 wrote to memory of 5896	904	9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe	colorcpl.exe
PID 5896 wrote to memory of 1380	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 1380	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 1380	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 1380	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 5600	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 5600	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 5600	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 5600	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 5876	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 5876	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 5876	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 4344	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 4344	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 4344	5896	colorcpl.exe	colorcpl.exe
PID 5896 wrote to memory of 4344	5896	colorcpl.exe	colorcpl.exe

C:\Users\Admin\AppData\Local\Temp\9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe
"C:\Users\Admin\AppData\Local\Temp\9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\9de8ed444c79048256d8bee246194210ce13da0cd9fd6233bbf49b3c38da9c85.exe C:\\Users\\Public\\Libraries\\Pzuhzgxz.PIF
2⤵
PID:4860

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5896

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\hnquqqszsjriwoqgbcevhjk"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1380

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\shefridbgrjnycekknrpsoxraew"
3⤵
- Accesses Microsoft Outlook accounts
PID:5600

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\ujjxsbouuzbziiawbylqvbriblnqjk"
3⤵
PID:5876

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\ujjxsbouuzbziiawbylqvbriblnqjk"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4344

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:1896

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\ProgramData\remcos\logs.dat
Filesize
146B

MD5
8394ac1e0c396c8ef0987c075699cb0b

SHA1
dd7a0f962e559c64b1730df0238bc04e01c9a6ce

SHA256
07939f123ff6cb9210fbb85264b283c33c6388e58d012557e490bb2268309a03

SHA512
862416d54b39177f19f4bba9439134255fbe3b4ec02ec051eff7385276533d15ea672950a08d1161c35484643c75b760aed961c9a54c1d651f751a05657619b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\hnquqqszsjriwoqgbcevhjk
Filesize
4KB

MD5
10fa8ec140c204486092fb161e567ec7

SHA1
4d63e1f8df3afefedb19df73d7ee5f3b1e7b6473

SHA256
7176ca3d0196ec46f178107fdb587adaef3f6ea65daa80eccd2371a515880e04

SHA512
9db4eeb3f07d8d0579f75f3426c91156809152d8c1a37c9a27bf159888f6dd97f1212ac80f5bbb17e4d86f3087c512ccba2ca50a2db07d071370bd36364e1f76

Download Submit
memory/904-0-0x0000000002550000-0x0000000002551000-memory.dmp

Filesize
4KB

Download
memory/904-1-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/1380-27-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1380-25-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1380-29-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4344-32-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4344-30-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4344-31-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5600-26-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/5600-28-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/5600-33-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/5896-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-45-0x0000000016F60000-0x0000000016F79000-memory.dmp

Filesize
100KB

Download
memory/5896-49-0x0000000016F60000-0x0000000016F79000-memory.dmp

Filesize
100KB

Download
memory/5896-48-0x0000000016F60000-0x0000000016F79000-memory.dmp

Filesize
100KB

Download
memory/5896-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-7-0x0000000004EE0000-0x0000000005EE0000-memory.dmp

Filesize
16.0MB

Download
memory/5896-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5896-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads