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 2 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/2824-50-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2824-62-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/2444-42-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2444-43-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2444-59-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2444-42-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2444-43-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2824-50-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/1264-53-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/1264-54-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2444-59-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2824-62-0x0000000000400000-0x0000000000462000-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-1-5-21-2248906074-2862704502-246302768-1000\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 2460 set thread context of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 set thread context of 2444	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 set thread context of 2824	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 set thread context of 1264	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

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

pid process

2460 PO#4600055745.scr.exe
2444 PO#4600055745.scr.exe
2444 PO#4600055745.scr.exe
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

PO#4600055745.scr.exe

pid process

2584 PO#4600055745.scr.exe
2584 PO#4600055745.scr.exe
2584 PO#4600055745.scr.exe
2584 PO#4600055745.scr.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

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

description pid process

Token: SeDebugPrivilege 2460 PO#4600055745.scr.exe
Token: SeDebugPrivilege 1264 PO#4600055745.scr.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO#4600055745.scr.exe

pid process

2584 PO#4600055745.scr.exe

pid	process
2460	PO#4600055745.scr.exe
2444	PO#4600055745.scr.exe
2444	PO#4600055745.scr.exe

pid	process
2584	PO#4600055745.scr.exe
2584	PO#4600055745.scr.exe
2584	PO#4600055745.scr.exe
2584	PO#4600055745.scr.exe

description	pid	process
Token: SeDebugPrivilege	2460	PO#4600055745.scr.exe
Token: SeDebugPrivilege	1264	PO#4600055745.scr.exe

pid	process
2584	PO#4600055745.scr.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

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

description	pid	process	target process
PID 2460 wrote to memory of 2568	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2568	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2568	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2568	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2460 wrote to memory of 2584	2460	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2876	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2876	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2876	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2876	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2444	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2444	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2444	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2444	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2444	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2824	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2824	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2824	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2824	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 2824	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 1264	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 1264	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 1264	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 1264	2584	PO#4600055745.scr.exe	PO#4600055745.scr.exe
PID 2584 wrote to memory of 1264	2584	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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2460

C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe
"C:\Users\Admin\AppData\Local\Temp\PO#4600055745.scr.exe"
2⤵
PID:2568

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:2584

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\myzsoefssfyaakiwfwadvqwijpcjzcgzo"
3⤵
PID:2876

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\myzsoefssfyaakiwfwadvqwijpcjzcgzo"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2444

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\osekh"
3⤵
- Accesses Microsoft Outlook accounts
PID:2824

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\zukdhpaou"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1264

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
fd4f3f7a8d11ca54d03873315d8f37e0

SHA1
d7c355c835c94e33554eb262e704d0903e47a84f

SHA256
d5284357b1f782b360fcf5de975ed5ef40353a066fb23b3eea05a40107456422

SHA512
deb9ff704de1c1bb5abe54b31d5bf3e238345424cef8b341e6eb2c1d238535ad71fefb277b70f0abd417e7ed61880aff90e287666e2c1cd7350dac1f14f5def2

Download Submit
C:\Users\Admin\AppData\Local\Temp\myzsoefssfyaakiwfwadvqwijpcjzcgzo
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/1264-51-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1264-54-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1264-48-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1264-53-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2444-43-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2444-59-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2444-36-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2444-42-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2444-40-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2460-2-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/2460-0-0x00000000002F0000-0x00000000003EC000-memory.dmp

Filesize
1008KB

Download
memory/2460-6-0x000000000AC50000-0x000000000AD10000-memory.dmp

Filesize
768KB

Download
memory/2460-5-0x0000000000470000-0x000000000047C000-memory.dmp

Filesize
48KB

Download
memory/2460-4-0x0000000000430000-0x0000000000438000-memory.dmp

Filesize
32KB

Download
memory/2460-1-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2460-3-0x0000000000450000-0x000000000046C000-memory.dmp

Filesize
112KB

Download
memory/2460-22-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2584-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-96-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-95-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-63-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2584-67-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2584-66-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2584-68-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2584-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-70-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2584-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2824-62-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2824-50-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2824-46-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2824-41-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads