webmonitor | 9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e

General

Target

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
Size

360KB
MD5

6e223f8e362245614a74d9865d0817b0
SHA1

dd8d9ea9d62bcf6a7e69bbf6dd81457103bcc29e
SHA256

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e
SHA512

36321cbe8c9b17a939241247baa27e204f51c2f8c8667cafd3ddd939159412ead8addf663b2285499396917f1bebe51cc9f1ec7c218645f877860010da5c4e1a

Score

10^/10

webmonitor backdoor infostealer persistence rat suricata upx

Malware Config

Extracted

Family

webmonitor

C2

restrep0.wm01.to:443

Attributes

config_key
rmGRTTf00SgxCRDiG5pe71nlU5TxVucQ
private_key
7geUgzWms
url_path
/recv4.php

Signatures

RevcodeRat, WebMonitorRat
WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
backdoor rat infostealer webmonitor

WebMonitor Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2492-120-0x00000000004BE2B0-mapping.dmp	family_webmonitor

suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
suricata
Executes dropped EXE 1 IoCs

Processes:

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

pid process

2492 9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

pid	process
2492	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2492-119-0x0000000000400000-0x00000000004C0000-memory.dmp	upx
behavioral2/memory/2492-123-0x0000000000400000-0x00000000004C0000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WebMonitor-3687 = "C:\\Users\\Admin\\AppData\\Roaming\\WebMonitor-3687.exe"	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

description	pid	process	target process
PID 2208 set thread context of 2492	2208	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

pid process

2492 9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

pid	process
2492	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

description	pid	process	target process
PID 2208 wrote to memory of 2492	2208	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
PID 2208 wrote to memory of 2492	2208	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
PID 2208 wrote to memory of 2492	2208	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
PID 2208 wrote to memory of 2492	2208	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
PID 2208 wrote to memory of 2492	2208	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
PID 2208 wrote to memory of 2492	2208	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
PID 2208 wrote to memory of 2492	2208	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
"C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2208

C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
"C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: RenamesItself
PID:2492

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
MD5
6e223f8e362245614a74d9865d0817b0

SHA1
dd8d9ea9d62bcf6a7e69bbf6dd81457103bcc29e

SHA256
9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e

SHA512
36321cbe8c9b17a939241247baa27e204f51c2f8c8667cafd3ddd939159412ead8addf663b2285499396917f1bebe51cc9f1ec7c218645f877860010da5c4e1a

Download Submit
memory/2208-115-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

Filesize
4KB

Download
memory/2208-117-0x0000000005AC0000-0x0000000005AC1000-memory.dmp

Filesize
4KB

Download
memory/2208-118-0x0000000002F60000-0x0000000002F62000-memory.dmp

Filesize
8KB

Download
memory/2208-122-0x00000000055C0000-0x0000000005ABE000-memory.dmp

Filesize
5.0MB

Download
memory/2492-119-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2492-120-0x00000000004BE2B0-mapping.dmp

Download
memory/2492-123-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads