remcos | f94bc4afc483d0024914be203ee502efb7340cfa1911d7a3e680e5d915af166c

General

Target

PO_No._ANOP0652.exe
Size

6KB
MD5

a79258dab8fdacc30a119ca5cd90613e
SHA1

ab935a24af3fa7eec96ed3ad6e545572639afbca
SHA256

0249b8c395e7035b2910900f092f9856831f9312f9fdeee7a027dea8b2f7b199
SHA512

e51414e9213015d4884f7e584d1cfe2b84be93dd8a5ee56680498194d44122c7e097a400f07744a8b86ce383c9283b2b6210c5bebada3575622c2a7ad8d80ccb
SSDEEP

96:Akzl0brb54gxLO1o9+fY29v+NYDHa9r3KvzNt:HW/5JxLOG4Xv+wG2

Score

10^/10

remcos 50005 collection persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

50005

C2

45.155.165.117:50005

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
jubjutgwfkpjgsh-G1HYQL
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

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/4644-153-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/4436-154-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4436-155-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4640-152-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4644-153-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/4436-154-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4436-155-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

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

Processes:

PO_No._ANOP0652.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	PO_No._ANOP0652.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

PO_No._ANOP0652.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	PO_No._ANOP0652.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO_No._ANOP0652.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Pqggcyj = "\"C:\\Users\\Admin\\AppData\\Roaming\\Zlztadixqyn\\Pqggcyj.exe\""	PO_No._ANOP0652.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO_No._ANOP0652.exePO_No._ANOP0652.exe

description	pid	process	target process
PID 4124 set thread context of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 set thread context of 4436	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 set thread context of 4644	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 set thread context of 4640	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exePO_No._ANOP0652.exePO_No._ANOP0652.exe

pid	process
4448	powershell.exe
4448	powershell.exe
4640	PO_No._ANOP0652.exe
4640	PO_No._ANOP0652.exe
4436	PO_No._ANOP0652.exe
4436	PO_No._ANOP0652.exe
4436	PO_No._ANOP0652.exe
4436	PO_No._ANOP0652.exe

Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

PO_No._ANOP0652.exe

pid process

624 PO_No._ANOP0652.exe
624 PO_No._ANOP0652.exe
624 PO_No._ANOP0652.exe

pid	process
624	PO_No._ANOP0652.exe
624	PO_No._ANOP0652.exe
624	PO_No._ANOP0652.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO_No._ANOP0652.exepowershell.exePO_No._ANOP0652.exe

description	pid	process
Token: SeDebugPrivilege	4124	PO_No._ANOP0652.exe
Token: SeDebugPrivilege	4448	powershell.exe
Token: SeDebugPrivilege	4640	PO_No._ANOP0652.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

PO_No._ANOP0652.exePO_No._ANOP0652.exe

description	pid	process	target process
PID 4124 wrote to memory of 4448	4124	PO_No._ANOP0652.exe	powershell.exe
PID 4124 wrote to memory of 4448	4124	PO_No._ANOP0652.exe	powershell.exe
PID 4124 wrote to memory of 4448	4124	PO_No._ANOP0652.exe	powershell.exe
PID 4124 wrote to memory of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 4124 wrote to memory of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 4124 wrote to memory of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 4124 wrote to memory of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 4124 wrote to memory of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 4124 wrote to memory of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 4124 wrote to memory of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 4124 wrote to memory of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 4124 wrote to memory of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 4124 wrote to memory of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 4124 wrote to memory of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 4124 wrote to memory of 624	4124	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 wrote to memory of 4436	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 wrote to memory of 4436	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 wrote to memory of 4436	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 wrote to memory of 4436	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 wrote to memory of 4644	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 wrote to memory of 4644	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 wrote to memory of 4644	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 wrote to memory of 4644	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 wrote to memory of 4640	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 wrote to memory of 4640	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 wrote to memory of 4640	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe
PID 624 wrote to memory of 4640	624	PO_No._ANOP0652.exe	PO_No._ANOP0652.exe

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0652.exe
"C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0652.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4124

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANAA5AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4448

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0652.exe
C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0652.exe
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:624

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0652.exe
C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0652.exe /stext "C:\Users\Admin\AppData\Local\Temp\lutyptjlr"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4436

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0652.exe
C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0652.exe /stext "C:\Users\Admin\AppData\Local\Temp\vwyrqltmftum"
3⤵
- Accesses Microsoft Outlook accounts
PID:4644

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0652.exe
C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0652.exe /stext "C:\Users\Admin\AppData\Local\Temp\gqmcqdegtbmzsee"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\lutyptjlr
Filesize
4KB

MD5
d06ebab8b0513f602e535079a9ebbeea

SHA1
d29472e6eb5a72f0353d70b97a33337b255b487e

SHA256
0c9e16830ccc6495def187adde2137ac07a566e1534e5714f626dcd68d28094c

SHA512
002df6f401950fd24d5976a47c58e9e2c58cef7d4fdec69f815fb6a00fb1e1a8963a4a7bf52056e61d6f6875edec393c466742c3031dd5f88802b45ddadca209

Download Submit
memory/624-147-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/624-157-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/624-148-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/624-146-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/624-144-0x0000000000000000-mapping.dmp

Download
memory/624-145-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4124-133-0x00000000060B0000-0x00000000060D2000-memory.dmp

Filesize
136KB

Download
memory/4124-132-0x0000000000660000-0x0000000000668000-memory.dmp

Filesize
32KB

Download
memory/4124-142-0x0000000005F00000-0x0000000005F92000-memory.dmp

Filesize
584KB

Download
memory/4124-143-0x000000003B3E0000-0x000000003B984000-memory.dmp

Filesize
5.6MB

Download
memory/4436-155-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4436-154-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4436-149-0x0000000000000000-mapping.dmp

Download
memory/4448-138-0x0000000005E20000-0x0000000005E86000-memory.dmp

Filesize
408KB

Download
memory/4448-141-0x0000000006950000-0x000000000696A000-memory.dmp

Filesize
104KB

Download
memory/4448-140-0x0000000007AC0000-0x000000000813A000-memory.dmp

Filesize
6.5MB

Download
memory/4448-139-0x0000000006450000-0x000000000646E000-memory.dmp

Filesize
120KB

Download
memory/4448-137-0x0000000005D40000-0x0000000005DA6000-memory.dmp

Filesize
408KB

Download
memory/4448-136-0x0000000005560000-0x0000000005B88000-memory.dmp

Filesize
6.2MB

Download
memory/4448-135-0x0000000004E90000-0x0000000004EC6000-memory.dmp

Filesize
216KB

Download
memory/4448-134-0x0000000000000000-mapping.dmp

Download
memory/4640-151-0x0000000000000000-mapping.dmp

Download
memory/4640-152-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4644-150-0x0000000000000000-mapping.dmp

Download
memory/4644-153-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads