webmonitor | 15003064a4b6d326954815712d6468af76d413335470092fbd820b02745d3e02

General

Target

BANK DETAILS.pdf.exe
Size

1.2MB
MD5

d168a301aeea42495bfa790ed012223b
SHA1

aa6ace276b374e41a5ec7ad7bd6cf09722756027
SHA256

15003064a4b6d326954815712d6468af76d413335470092fbd820b02745d3e02
SHA512

4e573a7340ee262aead7b9e683e6cf30aa8e03ba2a47ff6ba3d6121698e834172593100da2c05c728f7c87f2e231da4b76979c042278c7f88cf094825ae67c5b

Score

10^/10

webmonitor backdoor infostealer persistence rat

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 3 IoCs

resource	yara_rule
behavioral1/memory/572-68-0x000000000049D8CA-mapping.dmp	family_webmonitor
behavioral1/memory/572-67-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/572-70-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2016 set thread context of 572	2016	BANK DETAILS.pdf.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
656	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2016	BANK DETAILS.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	BANK DETAILS.pdf.exe
Token: SeShutdownPrivilege	572	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
572	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 656	2016	BANK DETAILS.pdf.exe	29
PID 2016 wrote to memory of 656	2016	BANK DETAILS.pdf.exe	29
PID 2016 wrote to memory of 656	2016	BANK DETAILS.pdf.exe	29
PID 2016 wrote to memory of 656	2016	BANK DETAILS.pdf.exe	29
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31
PID 2016 wrote to memory of 572	2016	BANK DETAILS.pdf.exe	31

C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UPOSWzdt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp311E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:656
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:572

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/572-67-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/572-69-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/572-70-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/572-71-0x0000000002C10000-0x0000000003C10000-memory.dmp

Filesize
16.0MB

Download
memory/2016-59-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

Filesize
4KB

Download
memory/2016-61-0x00000000048B0000-0x00000000048B1000-memory.dmp

Filesize
4KB

Download
memory/2016-62-0x0000000009EF0000-0x000000000BEEF000-memory.dmp

Filesize
32.0MB

Download
memory/2016-63-0x0000000007EF0000-0x0000000007FDF000-memory.dmp

Filesize
956KB

Download
memory/2016-64-0x0000000009440000-0x000000000953D000-memory.dmp

Filesize
1012KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads