webmonitor | 9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e

General

Target

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
Size

360KB
MD5

6e223f8e362245614a74d9865d0817b0
SHA1

dd8d9ea9d62bcf6a7e69bbf6dd81457103bcc29e
SHA256

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e
SHA512

36321cbe8c9b17a939241247baa27e204f51c2f8c8667cafd3ddd939159412ead8addf663b2285499396917f1bebe51cc9f1ec7c218645f877860010da5c4e1a

Score

10^/10

webmonitor backdoor infostealer persistence rat upx

Malware Config

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

resource	yara_rule
behavioral1/memory/320-58-0x00000000004BE2B0-mapping.dmp	family_webmonitor

Executes dropped EXE 1 IoCs

pid	Process
320	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/320-57-0x0000000000400000-0x00000000004C0000-memory.dmp	upx
behavioral1/memory/320-61-0x0000000000400000-0x00000000004C0000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1076	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

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-1-5-21-2375386074-2889020035-839874990-1000\Software\Microsoft\Windows\CurrentVersion\Run\WebMonitor-3033 = "C:\\Users\\Admin\\AppData\\Roaming\\WebMonitor-3033.exe"	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1076 set thread context of 320	1076	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	28

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
320	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 320	1076	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	28
PID 1076 wrote to memory of 320	1076	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	28
PID 1076 wrote to memory of 320	1076	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	28
PID 1076 wrote to memory of 320	1076	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	28
PID 1076 wrote to memory of 320	1076	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	28
PID 1076 wrote to memory of 320	1076	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	28
PID 1076 wrote to memory of 320	1076	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	28
PID 1076 wrote to memory of 320	1076	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	28

C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
"C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1076
- 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:320

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

Replay Monitor

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Downloads

memory/320-57-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/320-61-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/320-62-0x0000000076851000-0x0000000076853000-memory.dmp

Filesize
8KB

Download
memory/1076-53-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1076-55-0x00000000005C0000-0x00000000005C2000-memory.dmp

Filesize
8KB

Download
memory/1076-60-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download

Analysis

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