remcos | 2e368631139e75aa6cce30aef3ccdfe59dc2131a7f5166fa5b0e36c969eb5ada

General

Target

PO_52862.exe
Size

888KB
MD5

215dc8f3f75f1d67d9b6fcec09cb4d00
SHA1

b78ba4e1350b1173b1a2457209993f439fa7e199
SHA256

2e368631139e75aa6cce30aef3ccdfe59dc2131a7f5166fa5b0e36c969eb5ada
SHA512

2a094dd055eedbe761e7da1b7eb44e1a4da04eb79a44bbb7b003a6bc31dadd90deb9cee2e101e55dfba72a700681557cc032547e8bea40f6c0bec2fd418e2ede
SSDEEP

24576:R6SNOGucnCSGYVWX54fKQ7ov6pASCDvHKfpket/0Ms20:kyOPE4WoTQa6pA97HqeeC

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/4344-37-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/4344-41-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/4344-43-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/3640-40-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3640-56-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4344-37-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3640-40-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4396-39-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4344-41-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/4396-42-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4396-47-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4344-43-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3640-56-0x0000000000400000-0x0000000000478000-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_52862.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	PO_52862.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO_52862.exePO_52862.exe

description	pid	process	target process
PID 4700 set thread context of 2408	4700	PO_52862.exe	PO_52862.exe
PID 2408 set thread context of 3640	2408	PO_52862.exe	PO_52862.exe
PID 2408 set thread context of 4344	2408	PO_52862.exe	PO_52862.exe
PID 2408 set thread context of 4396	2408	PO_52862.exe	PO_52862.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PO_52862.exePO_52862.exe

pid process

3640 PO_52862.exe
3640 PO_52862.exe
4396 PO_52862.exe
4396 PO_52862.exe
3640 PO_52862.exe
3640 PO_52862.exe
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

PO_52862.exe

pid process

2408 PO_52862.exe
2408 PO_52862.exe
2408 PO_52862.exe
2408 PO_52862.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO_52862.exe

description pid process

Token: SeDebugPrivilege 4396 PO_52862.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO_52862.exe

pid process

2408 PO_52862.exe

pid	process
3640	PO_52862.exe
3640	PO_52862.exe
4396	PO_52862.exe
4396	PO_52862.exe
3640	PO_52862.exe
3640	PO_52862.exe

pid	process
2408	PO_52862.exe
2408	PO_52862.exe
2408	PO_52862.exe
2408	PO_52862.exe

description	pid	process
Token: SeDebugPrivilege	4396	PO_52862.exe

pid	process
2408	PO_52862.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

PO_52862.exePO_52862.exe

description	pid	process	target process
PID 4700 wrote to memory of 2408	4700	PO_52862.exe	PO_52862.exe
PID 4700 wrote to memory of 2408	4700	PO_52862.exe	PO_52862.exe
PID 4700 wrote to memory of 2408	4700	PO_52862.exe	PO_52862.exe
PID 4700 wrote to memory of 2408	4700	PO_52862.exe	PO_52862.exe
PID 4700 wrote to memory of 2408	4700	PO_52862.exe	PO_52862.exe
PID 4700 wrote to memory of 2408	4700	PO_52862.exe	PO_52862.exe
PID 4700 wrote to memory of 2408	4700	PO_52862.exe	PO_52862.exe
PID 4700 wrote to memory of 2408	4700	PO_52862.exe	PO_52862.exe
PID 4700 wrote to memory of 2408	4700	PO_52862.exe	PO_52862.exe
PID 4700 wrote to memory of 2408	4700	PO_52862.exe	PO_52862.exe
PID 4700 wrote to memory of 2408	4700	PO_52862.exe	PO_52862.exe
PID 4700 wrote to memory of 2408	4700	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 3640	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 3640	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 3640	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 3640	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 2532	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 2532	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 2532	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 4344	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 4344	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 4344	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 4344	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 4396	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 4396	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 4396	2408	PO_52862.exe	PO_52862.exe
PID 2408 wrote to memory of 4396	2408	PO_52862.exe	PO_52862.exe

C:\Users\Admin\AppData\Local\Temp\PO_52862.exe
"C:\Users\Admin\AppData\Local\Temp\PO_52862.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4700

C:\Users\Admin\AppData\Local\Temp\PO_52862.exe
"C:\Users\Admin\AppData\Local\Temp\PO_52862.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2408

C:\Users\Admin\AppData\Local\Temp\PO_52862.exe
C:\Users\Admin\AppData\Local\Temp\PO_52862.exe /stext "C:\Users\Admin\AppData\Local\Temp\goksyxvlbuvteckybvmyqqeiwt"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3640

C:\Users\Admin\AppData\Local\Temp\PO_52862.exe
C:\Users\Admin\AppData\Local\Temp\PO_52862.exe /stext "C:\Users\Admin\AppData\Local\Temp\rjplzqgnxcnypiyctfyzburrfhhzo"
3⤵
PID:2532

C:\Users\Admin\AppData\Local\Temp\PO_52862.exe
C:\Users\Admin\AppData\Local\Temp\PO_52862.exe /stext "C:\Users\Admin\AppData\Local\Temp\rjplzqgnxcnypiyctfyzburrfhhzo"
3⤵
- Accesses Microsoft Outlook accounts
PID:4344

C:\Users\Admin\AppData\Local\Temp\PO_52862.exe
C:\Users\Admin\AppData\Local\Temp\PO_52862.exe /stext "C:\Users\Admin\AppData\Local\Temp\tlvvairglkflrwugcqtbehligozihanas"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4396

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=4136 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
1⤵
PID:4312

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

Replay Monitor

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Downloads

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

MD5
05457c12156c6dabaa9948d68d3b011e

SHA1
b9553f2601730bd56863f7bd426a039eabdc55e9

SHA256
02eb8863421ea8da624014cb08dddb961c82b65cb0fc92c46460187b6bd6a8cc

SHA512
2ef4f6573f3f6e6a20cde7313f6affa38719f812945887c744c6f986bb6158a8304ba803a84be918f90cec9ed884fcb311a2bfb0f64501cb2316c08b2da1b6d2

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

MD5
10fa8ec140c204486092fb161e567ec7

SHA1
4d63e1f8df3afefedb19df73d7ee5f3b1e7b6473

SHA256
7176ca3d0196ec46f178107fdb587adaef3f6ea65daa80eccd2371a515880e04

SHA512
9db4eeb3f07d8d0579f75f3426c91156809152d8c1a37c9a27bf159888f6dd97f1212ac80f5bbb17e4d86f3087c512ccba2ca50a2db07d071370bd36364e1f76

Download Submit
memory/2408-63-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2408-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-96-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-95-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-73-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2408-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-64-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2408-61-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2408-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2408-62-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2408-58-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3640-56-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3640-40-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3640-36-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3640-28-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4344-41-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4344-43-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4344-29-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4344-37-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4344-35-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4396-47-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4396-42-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4396-34-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4396-39-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4396-32-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4700-4-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

Filesize
64KB

Download
memory/4700-8-0x0000000005040000-0x000000000504C000-memory.dmp

Filesize
48KB

Download
memory/4700-16-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/4700-10-0x0000000008520000-0x00000000085BC000-memory.dmp

Filesize
624KB

Download
memory/4700-1-0x0000000000030000-0x0000000000114000-memory.dmp

Filesize
912KB

Download
memory/4700-9-0x0000000005E60000-0x0000000005F20000-memory.dmp

Filesize
768KB

Download
memory/4700-3-0x0000000004B90000-0x0000000004C22000-memory.dmp

Filesize
584KB

Download
memory/4700-7-0x0000000005030000-0x000000000503A000-memory.dmp

Filesize
40KB

Download
memory/4700-6-0x0000000004DE0000-0x0000000004DF4000-memory.dmp

Filesize
80KB

Download
memory/4700-2-0x00000000050A0000-0x0000000005644000-memory.dmp

Filesize
5.6MB

Download
memory/4700-5-0x0000000004B30000-0x0000000004B3A000-memory.dmp

Filesize
40KB

Download
memory/4700-0-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads