remcos | b484a4cb667f840e50d5fe91ed76752a5db90759ed1cac25ec965ce5751da9e2

General

Target
SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe
Size 724KB
Sample210919-bc75rscgdk
SHA256 b484a4cb667f840e50d5fe91ed76752a5db90759ed1cac25ec965ce5751da9e2
MD5 7d5253655d6b9137193c9eb1876c1aa6
SHA1 b230f6d6c9afe11c7a88da8e6a8b87288d78fd10
SHA512 aa1d6b81ae7538fe47daa6721a61f6a78cd0bdd965b1f8d28c4263dcb621add2dda38b8ffe229bf84020ce80c0a18b5f6fd2133f0b925af50ba244d2e9c55161
MD5 SHA1 SHA512

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

RemoteHost

C2

remcosw11.mywire.org:2404
remcosw22.giize.com:2404
remcosw33.kozow.com:2404
remcosw44.freeddns.org:2404
remcosw55.freeddns.org:2404
remcosw66.freeddns.org:2404
remcosw77.freeddns.org:2404

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
sgdhdjdgsgsu-N2NW89
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Reoqvsx = "C:\\Users\\Public\\Libraries\\xsvqoeR.url"	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68
PID 4060 wrote to memory of 3272	4060	SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe	68

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.DelfInject.6c9c1654.29864.26219.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Windows\SysWOW64\mobsync.exe
  C:\Windows\System32\mobsync.exe
  2⤵
  PID:3272

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/3272-118-0x0000000002E70000-0x0000000002E71000-memory.dmp

Download

memory/3272-117-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

Download

memory/3272-120-0x0000000010590000-0x000000001060C000-memory.dmp

Download

memory/3272-119-0x0000000002E00000-0x0000000002E01000-memory.dmp

Download

memory/3272-121-0x0000000000400000-0x0000000000479000-memory.dmp

Download

memory/4060-114-0x00000000021F0000-0x00000000021F1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads