webmonitor | f285822ef8c947a87e556858a8332ed26edda052e597c67a7831753c376e01b4

General

Target

c34157e025416d3ddf0a8610fa2e8b98.exe
Size

515KB
MD5

c34157e025416d3ddf0a8610fa2e8b98
SHA1

03005c0c1469b7dbe9eff095bfd3ecbc3a713811
SHA256

f285822ef8c947a87e556858a8332ed26edda052e597c67a7831753c376e01b4
SHA512

16de23d61d7dad4f239980ac02aa765be38bc42647c63ede13441a73c002bd0b91a4681159cca9170f41fa003a7725926b61c09a124fec700028de7c425679cd

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1708-67-0x0000000000400000-0x00000000004F6000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

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"	c34157e025416d3ddf0a8610fa2e8b98.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WebMonitor-3c00 = "C:\\Users\\Admin\\AppData\\Roaming\\WebMonitor-3c00.exe"	c34157e025416d3ddf0a8610fa2e8b98.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 540 set thread context of 1708	540	c34157e025416d3ddf0a8610fa2e8b98.exe	29

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
540	c34157e025416d3ddf0a8610fa2e8b98.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1708	c34157e025416d3ddf0a8610fa2e8b98.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
540	c34157e025416d3ddf0a8610fa2e8b98.exe
1708	c34157e025416d3ddf0a8610fa2e8b98.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 1708	540	c34157e025416d3ddf0a8610fa2e8b98.exe	29
PID 540 wrote to memory of 1708	540	c34157e025416d3ddf0a8610fa2e8b98.exe	29
PID 540 wrote to memory of 1708	540	c34157e025416d3ddf0a8610fa2e8b98.exe	29
PID 540 wrote to memory of 1708	540	c34157e025416d3ddf0a8610fa2e8b98.exe	29
PID 540 wrote to memory of 1708	540	c34157e025416d3ddf0a8610fa2e8b98.exe	29

C:\Users\Admin\AppData\Local\Temp\c34157e025416d3ddf0a8610fa2e8b98.exe
"C:\Users\Admin\AppData\Local\Temp\c34157e025416d3ddf0a8610fa2e8b98.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:540
- C:\Users\Admin\AppData\Local\Temp\c34157e025416d3ddf0a8610fa2e8b98.exe
  "C:\Users\Admin\AppData\Local\Temp\c34157e025416d3ddf0a8610fa2e8b98.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1708

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/540-62-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/540-64-0x00000000002D0000-0x00000000002D7000-memory.dmp

Filesize
28KB

Download
memory/540-63-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1708-67-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/1708-68-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1708-69-0x0000000002C90000-0x0000000003C90000-memory.dmp

Filesize
16.0MB

Download

Analysis

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