webmonitor | 142cf7f01ff7c99da5e16196325e3fa3a6d867ff0e50696d727c92696ba97ccf

Analysis

max time kernel
151s
max time network
152s
platform
windows7_x64
resource
win7v20210410
submitted
11-08-2021 08:39

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General

Target

po.exe
Size

982KB
MD5

bcb77b64ef4a369f8b381aff4c6f1c57
SHA1

4624958cd8a724ad01868331d9a78a64fb0cdcb0
SHA256

142cf7f01ff7c99da5e16196325e3fa3a6d867ff0e50696d727c92696ba97ccf
SHA512

9249aea1d4a0d467c544271297ee7b88851c586c9afab522f845a071d7551bbefdfc49b516d13bb5d31277ab194026ecd5852e0d751b0527e7543a2d9607405a

Score

10^/10

webmonitor backdoor infostealer persistence rat suricata

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

Processes:

resource	yara_rule
behavioral1/memory/1528-64-0x0000000000400000-0x00000000004F3000-memory.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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

po.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\WebMonitor-3c00 = "C:\\Users\\Admin\\AppData\\Roaming\\WebMonitor-3c00.exe"	po.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WebMonitor-3c00 = "C:\\Users\\Admin\\AppData\\Roaming\\WebMonitor-3c00.exe"	po.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

po.exe

description pid process target process

PID 2004 set thread context of 1528 2004 po.exe po.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

po.exe

pid process

2004 po.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

po.exe

description pid process

Token: SeShutdownPrivilege 1528 po.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

po.exe

pid process

1528 po.exe

description	pid	process	target process
PID 2004 set thread context of 1528	2004	po.exe	po.exe

pid	process
2004	po.exe

description	pid	process
Token: SeShutdownPrivilege	1528	po.exe

pid	process
1528	po.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

po.exe

description	pid	process	target process
PID 2004 wrote to memory of 1528	2004	po.exe	po.exe
PID 2004 wrote to memory of 1528	2004	po.exe	po.exe
PID 2004 wrote to memory of 1528	2004	po.exe	po.exe
PID 2004 wrote to memory of 1528	2004	po.exe	po.exe
PID 2004 wrote to memory of 1528	2004	po.exe	po.exe

C:\Users\Admin\AppData\Local\Temp\po.exe
"C:\Users\Admin\AppData\Local\Temp\po.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2004

C:\Users\Admin\AppData\Local\Temp\po.exe
"C:\Users\Admin\AppData\Local\Temp\po.exe"
2⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1528

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1528-61-0x000000000049D8CA-mapping.dmp

Download
memory/1528-64-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1528-65-0x0000000002B00000-0x0000000003B00000-memory.dmp

Filesize
16.0MB

Download
memory/2004-60-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/2004-63-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download