remcos | 9f04e9df13edb801c21c1855667396bc18abc4bddc2215174f6e91e91e01f212

General

Target

Re Confirmación de pedido-5309, pdf.exe
Size

886KB
MD5

16f68b2c1d048e55cf61ccbbf479effe
SHA1

8c12e5b023cc6806d5890163baffee81cce9afaa
SHA256

348f9d5b52f4b01c9886af630c02a8cfe9dec0ddf882fe906e0b04f921ab1fff
SHA512

c732e466a0ee1d703c4dfe7c3c098c1d674c87fac4a60db4f47d7bbe4742c9fc9ac8c3826f9d1e5844e076e9e28e4ecdbfc2d12e48e23352dc5a568f6a347bd0

Score

10^/10

remcos ok man persistence rat suricata

Malware Config

Extracted

Family

remcos

Botnet

OK MAN

C2

zion6.ddns.net:2815

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-24CTXX
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
take_screenshot_title
notepad;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Re Confirmación de pedido-5309, pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gmeguaz = "C:\\Users\\Public\\Libraries\\zaugemG.url"	Re Confirmación de pedido-5309, pdf.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Re Confirmación de pedido-5309, pdf.exe

description	pid	process	target process
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe
PID 4436 wrote to memory of 4064	4436	Re Confirmación de pedido-5309, pdf.exe	dialer.exe

C:\Users\Admin\AppData\Local\Temp\Re Confirmación de pedido-5309, pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Re Confirmación de pedido-5309, pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4436

C:\Windows\SysWOW64\dialer.exe
C:\Windows\System32\dialer.exe
2⤵
PID:4064

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

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4064-119-0x0000000000000000-mapping.dmp

Download
memory/4064-121-0x0000000002F60000-0x0000000002F61000-memory.dmp

Filesize
4KB

Download
memory/4064-120-0x0000000002EA0000-0x0000000002EA1000-memory.dmp

Filesize
4KB

Download
memory/4064-122-0x0000000002F00000-0x0000000002F01000-memory.dmp

Filesize
4KB

Download
memory/4064-123-0x0000000010590000-0x000000001060D000-memory.dmp

Filesize
500KB

Download
memory/4064-124-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/4436-115-0x00000000006D0000-0x00000000006EB000-memory.dmp

Filesize
108KB

Download
memory/4436-118-0x0000000000580000-0x00000000006CA000-memory.dmp

Filesize
1.3MB

Download

Analysis

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