remcos | f00982603a693995cf32649df28ac390ce839638751f04d11517454466061785

General

Target

7034c12131cc2e28fcf9235850a36b08e9983dce.exe
Size

7KB
MD5

1c72fb093ace75fffb093c6541ff4940
SHA1

7034c12131cc2e28fcf9235850a36b08e9983dce
SHA256

f00982603a693995cf32649df28ac390ce839638751f04d11517454466061785
SHA512

4d713c85e2b5a818e3f5db4c7b59a820bb309c911825670b540597c9faa9d931f5648d054e19a01a48f7c97bae6dfe67b02148fb3ad58ddafdd11bb06f8a59ed
SSDEEP

96:lTlsnKYgr+QLZCMqm18WQ2juY+wq+Df/8tEkajtR/zNt:lpQELZCMqmXjuZ+z8zaj7p

Score

10^/10

remcos 28282 collection persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

28282

C2

194.180.49.17:28282

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
gqhwjekrltlu-TOU33Q
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/5068-156-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/3112-157-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3112-158-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4128-155-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/5068-156-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/3112-157-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3112-158-0x0000000000400000-0x0000000000478000-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:

7034c12131cc2e28fcf9235850a36b08e9983dce.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	7034c12131cc2e28fcf9235850a36b08e9983dce.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:

7034c12131cc2e28fcf9235850a36b08e9983dce.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	7034c12131cc2e28fcf9235850a36b08e9983dce.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7034c12131cc2e28fcf9235850a36b08e9983dce.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Eesibjdz = "\"C:\\Users\\Admin\\AppData\\Roaming\\Gngrey\\Eesibjdz.exe\""	7034c12131cc2e28fcf9235850a36b08e9983dce.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

7034c12131cc2e28fcf9235850a36b08e9983dce.exe7034c12131cc2e28fcf9235850a36b08e9983dce.exe

description	pid	process	target process
PID 4204 set thread context of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 set thread context of 3112	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 set thread context of 5068	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 set thread context of 4128	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.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.exe7034c12131cc2e28fcf9235850a36b08e9983dce.exe7034c12131cc2e28fcf9235850a36b08e9983dce.exe

pid	process
3552	powershell.exe
3552	powershell.exe
3112	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
3112	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
4128	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
4128	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
3112	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
3112	7034c12131cc2e28fcf9235850a36b08e9983dce.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

7034c12131cc2e28fcf9235850a36b08e9983dce.exe

pid	process
3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

7034c12131cc2e28fcf9235850a36b08e9983dce.exepowershell.exe7034c12131cc2e28fcf9235850a36b08e9983dce.exe

description	pid	process
Token: SeDebugPrivilege	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
Token: SeDebugPrivilege	3552	powershell.exe
Token: SeDebugPrivilege	4128	7034c12131cc2e28fcf9235850a36b08e9983dce.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

7034c12131cc2e28fcf9235850a36b08e9983dce.exe7034c12131cc2e28fcf9235850a36b08e9983dce.exe

C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe
"C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.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:4204

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3552

C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe
C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3200

C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe
C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe /stext "C:\Users\Admin\AppData\Local\Temp\tywyamfkiqoizvrctehrmobq"
3⤵
PID:1940

C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe
C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe /stext "C:\Users\Admin\AppData\Local\Temp\tywyamfkiqoizvrctehrmobq"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3112

C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe
C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe /stext "C:\Users\Admin\AppData\Local\Temp\wabrafqmwygnjjfgkpusxavhflf"
3⤵
- Accesses Microsoft Outlook accounts
PID:5068

C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe
C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe /stext "C:\Users\Admin\AppData\Local\Temp\guhkbxbfkgysmpbktahuafqqosowuzr"
3⤵
PID:800

C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe
C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe /stext "C:\Users\Admin\AppData\Local\Temp\guhkbxbfkgysmpbktahuafqqosowuzr"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4128

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\tywyamfkiqoizvrctehrmobq
Filesize
4KB

MD5
d06ebab8b0513f602e535079a9ebbeea

SHA1
d29472e6eb5a72f0353d70b97a33337b255b487e

SHA256
0c9e16830ccc6495def187adde2137ac07a566e1534e5714f626dcd68d28094c

SHA512
002df6f401950fd24d5976a47c58e9e2c58cef7d4fdec69f815fb6a00fb1e1a8963a4a7bf52056e61d6f6875edec393c466742c3031dd5f88802b45ddadca209

Download Submit
memory/800-153-0x0000000000000000-mapping.dmp

Download
memory/1940-150-0x0000000000000000-mapping.dmp

Download
memory/3112-158-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3112-151-0x0000000000000000-mapping.dmp

Download
memory/3112-157-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3200-160-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3200-148-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3200-164-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3200-163-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3200-165-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3200-149-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3200-145-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3200-144-0x0000000000000000-mapping.dmp

Download
memory/3200-146-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3200-147-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3552-140-0x0000000007FC0000-0x000000000863A000-memory.dmp

Filesize
6.5MB

Download
memory/3552-139-0x0000000006780000-0x000000000679E000-memory.dmp

Filesize
120KB

Download
memory/3552-134-0x0000000000000000-mapping.dmp

Download
memory/3552-141-0x0000000006C30000-0x0000000006C4A000-memory.dmp

Filesize
104KB

Download
memory/3552-135-0x00000000031C0000-0x00000000031F6000-memory.dmp

Filesize
216KB

Download
memory/3552-136-0x00000000058F0000-0x0000000005F18000-memory.dmp

Filesize
6.2MB

Download
memory/3552-137-0x0000000005F90000-0x0000000005FF6000-memory.dmp

Filesize
408KB

Download
memory/3552-138-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/4128-155-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4128-154-0x0000000000000000-mapping.dmp

Download
memory/4204-143-0x0000000007740000-0x0000000007CE4000-memory.dmp

Filesize
5.6MB

Download
memory/4204-132-0x00000000008C0000-0x00000000008C8000-memory.dmp

Filesize
32KB

Download
memory/4204-142-0x0000000005C80000-0x0000000005D12000-memory.dmp

Filesize
584KB

Download
memory/4204-133-0x0000000006870000-0x0000000006892000-memory.dmp

Filesize
136KB

Download
memory/5068-156-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/5068-152-0x0000000000000000-mapping.dmp

Download

description	pid	process	target process
PID 4204 wrote to memory of 3552	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	powershell.exe
PID 4204 wrote to memory of 3552	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	powershell.exe
PID 4204 wrote to memory of 3552	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	powershell.exe
PID 4204 wrote to memory of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 4204 wrote to memory of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 4204 wrote to memory of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 4204 wrote to memory of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 4204 wrote to memory of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 4204 wrote to memory of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 4204 wrote to memory of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 4204 wrote to memory of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 4204 wrote to memory of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 4204 wrote to memory of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 4204 wrote to memory of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 4204 wrote to memory of 3200	4204	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 1940	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 1940	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 1940	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 3112	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 3112	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 3112	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 3112	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 5068	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 5068	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 5068	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 5068	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 800	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 800	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 800	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 4128	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 4128	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 4128	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe
PID 3200 wrote to memory of 4128	3200	7034c12131cc2e28fcf9235850a36b08e9983dce.exe	7034c12131cc2e28fcf9235850a36b08e9983dce.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads