remcos | aa29ab3beabcfd1b574182cbcb4d53330ed432fe371a39c38ef59a7b681361d9

General

Target

PO#4600055745.scr.exe
Size

1000KB
MD5

4cb03ed07925c43468569974c41b9325
SHA1

523e9b075323ae50036bf19b7f2e9615f97100d4
SHA256

aa29ab3beabcfd1b574182cbcb4d53330ed432fe371a39c38ef59a7b681361d9
SHA512

547fde8610379ee2e7ebeca76a711b5adb6c696abb9deaace5e4ea225e40d37fa437bb563dbd9bc81a2053676d2fb2ae43e4270d695f5d9d0a7d8ebee23f9ba3
SSDEEP

24576:0o5K55ee/YuX1Gx7MH7V9mu/0ilqWe7LpjCSAv:V5qauX1s7Mh4u/0ilq7LXAv

Score

10^/10

remcos buddy collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

BUDDY

C2

192.210.201.57:52499

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-LMLI87
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

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/1380-37-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/1380-42-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/1380-45-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/3516-36-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3516-50-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1380-37-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3516-36-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/1380-42-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/1380-45-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3020-47-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3020-48-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3516-50-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

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
T1552.001

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

PO#4600055745.scr.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	PO#4600055745.scr.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO#4600055745.scr.exePO#4600055745.scr.exe

description	pid	process	target process
PID 4236 set thread context of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 set thread context of 3516	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 set thread context of 1380	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 set thread context of 3020	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PO#4600055745.scr.exePO#4600055745.scr.exe

pid	process
3516	PO#4600055745.scr.exe
3516	PO#4600055745.scr.exe
3020	PO#4600055745.scr.exe
3020	PO#4600055745.scr.exe
3516	PO#4600055745.scr.exe
3516	PO#4600055745.scr.exe

Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

PO#4600055745.scr.exe

pid process

3472 PO#4600055745.scr.exe
3472 PO#4600055745.scr.exe
3472 PO#4600055745.scr.exe
3472 PO#4600055745.scr.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO#4600055745.scr.exe

description pid process

Token: SeDebugPrivilege 3020 PO#4600055745.scr.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO#4600055745.scr.exe

pid process

3472 PO#4600055745.scr.exe

pid	process
3472	PO#4600055745.scr.exe
3472	PO#4600055745.scr.exe
3472	PO#4600055745.scr.exe
3472	PO#4600055745.scr.exe

description	pid	process
Token: SeDebugPrivilege	3020	PO#4600055745.scr.exe

pid	process
3472	PO#4600055745.scr.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

PO#4600055745.scr.exePO#4600055745.scr.exe

description	pid	process	target process
PID 4236 wrote to memory of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 4236 wrote to memory of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 4236 wrote to memory of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 4236 wrote to memory of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 4236 wrote to memory of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 4236 wrote to memory of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 4236 wrote to memory of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 4236 wrote to memory of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 4236 wrote to memory of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 4236 wrote to memory of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 4236 wrote to memory of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 4236 wrote to memory of 3472	4236	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 3120	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 3120	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 3120	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 3516	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 3516	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 3516	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 3516	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 1380	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 1380	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 1380	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 1380	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 3020	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 3020	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 3020	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 3472 wrote to memory of 3020	3472	PO#4600055745.scr.exe	PO#4600055745.scr.exe

C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe
"C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4236

C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe
"C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3472

C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe
C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe /stext "C:\Users\Admin\AppData\Local\Temp\gvscqijbnvcbkelohcladrywqrgca"
3⤵
PID:3120

C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe
C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe /stext "C:\Users\Admin\AppData\Local\Temp\gvscqijbnvcbkelohcladrywqrgca"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3516

C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe
C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe /stext "C:\Users\Admin\AppData\Local\Temp\ixfmrbuvbduovlzsqngcgwtfrfydbjxy"
3⤵
- Accesses Microsoft Outlook accounts
PID:1380

C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe
C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe /stext "C:\Users\Admin\AppData\Local\Temp\trkf"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3020

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\ProgramData\remcos\logs.dat
Filesize
144B

MD5
455902d6a885c8248de51afc96f72ed1

SHA1
52def09abf70c4ff5444d6e93ddebf4b511165de

SHA256
3599ec77542b5a5a26993b22ed80f36d13046bc0b30b79aa0ee0347baf39f0ea

SHA512
82b0fdbb43b4eae18c25040cf660ad586b9bd2200188ebffd5cce45fb2fcb12cde6e130f361d1981d6b0790b9c83d0b8d8b764be9e73f4a151ded4e266b77406

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

MD5
636c8230de66506aa2bdb3deee259503

SHA1
244299ce9ed66e9bed0c458c28fa3c417eeabdee

SHA256
98e7ebb0441c43ba079892f7fd1e9c1360d9d0e6d37575e452944fa0b08638d4

SHA512
fb5756dc8c9726be7b7629230ca5cf12c59f7d01225b9b73f08953bd02087bef10e1d2cdb6ed717776d683bd5ce523a069a6ab081992839a238056d57fc4eb6e

Download Submit
memory/1380-45-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1380-42-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1380-37-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1380-34-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1380-30-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3020-48-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3020-47-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3020-44-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3020-38-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3120-28-0x0000000000340000-0x0000000000340000-memory.dmp

Download
memory/3472-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-95-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-94-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-59-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3472-57-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3472-55-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3472-52-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3516-36-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3516-50-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3516-29-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3516-33-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4236-0-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download
memory/4236-5-0x0000000005210000-0x000000000521A000-memory.dmp

Filesize
40KB

Download
memory/4236-6-0x00000000054B0000-0x000000000554C000-memory.dmp

Filesize
624KB

Download
memory/4236-7-0x00000000053C0000-0x00000000053DC000-memory.dmp

Filesize
112KB

Download
memory/4236-2-0x0000000005730000-0x0000000005CD4000-memory.dmp

Filesize
5.6MB

Download
memory/4236-1-0x0000000000750000-0x000000000084C000-memory.dmp

Filesize
1008KB

Download
memory/4236-8-0x00000000053E0000-0x00000000053E8000-memory.dmp

Filesize
32KB

Download
memory/4236-9-0x0000000004C40000-0x0000000004C4C000-memory.dmp

Filesize
48KB

Download
memory/4236-10-0x00000000061F0000-0x00000000062B0000-memory.dmp

Filesize
768KB

Download
memory/4236-4-0x0000000005400000-0x0000000005410000-memory.dmp

Filesize
64KB

Download
memory/4236-3-0x0000000005220000-0x00000000052B2000-memory.dmp

Filesize
584KB

Download
memory/4236-16-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads