webmonitor | 7c30dae34afc93b726cb4fa4b1a658921a29a7de38a21ceb50c6add38fae0ce4

General

Target

2f03f812c5df758e332a6978022f0820.exe
Size

1.2MB
MD5

2f03f812c5df758e332a6978022f0820
SHA1

852515886d60cdb1171833b21a2d22e3e4120744
SHA256

7c30dae34afc93b726cb4fa4b1a658921a29a7de38a21ceb50c6add38fae0ce4
SHA512

f16f1dd59c14ce09a21e0576689f20f42901caa5f59a6d704113c7172d31221187670fce7a34fada4c5310c69628aab1bff3dfafef5aa7d3cdd8edaf961d4c06

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 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1916-67-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral1/memory/1916-70-0x0000000000400000-0x00000000004F6000-memory.dmp	upx

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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\WebMonitor-3c00 = "C:\\Users\\Admin\\AppData\\Roaming\\WebMonitor-3c00.exe"	2f03f812c5df758e332a6978022f0820.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2004 set thread context of 1916	2004	2f03f812c5df758e332a6978022f0820.exe	29

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2004	2f03f812c5df758e332a6978022f0820.exe
2004	2f03f812c5df758e332a6978022f0820.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1916	2f03f812c5df758e332a6978022f0820.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2004	2f03f812c5df758e332a6978022f0820.exe
Token: SeShutdownPrivilege	1916	2f03f812c5df758e332a6978022f0820.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1916	2004	2f03f812c5df758e332a6978022f0820.exe	29
PID 2004 wrote to memory of 1916	2004	2f03f812c5df758e332a6978022f0820.exe	29
PID 2004 wrote to memory of 1916	2004	2f03f812c5df758e332a6978022f0820.exe	29
PID 2004 wrote to memory of 1916	2004	2f03f812c5df758e332a6978022f0820.exe	29
PID 2004 wrote to memory of 1916	2004	2f03f812c5df758e332a6978022f0820.exe	29
PID 2004 wrote to memory of 1916	2004	2f03f812c5df758e332a6978022f0820.exe	29
PID 2004 wrote to memory of 1916	2004	2f03f812c5df758e332a6978022f0820.exe	29
PID 2004 wrote to memory of 1916	2004	2f03f812c5df758e332a6978022f0820.exe	29

C:\Users\Admin\AppData\Local\Temp\2f03f812c5df758e332a6978022f0820.exe
"C:\Users\Admin\AppData\Local\Temp\2f03f812c5df758e332a6978022f0820.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\2f03f812c5df758e332a6978022f0820.exe
  "C:\Users\Admin\AppData\Local\Temp\2f03f812c5df758e332a6978022f0820.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:1916

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

Loading Replay Monitor...

Downloads

memory/1916-67-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/1916-69-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/1916-70-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/1916-71-0x00000000031C0000-0x00000000041C0000-memory.dmp

Filesize
16.0MB

Download
memory/2004-60-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2004-62-0x0000000004810000-0x00000000048B9000-memory.dmp

Filesize
676KB

Download
memory/2004-63-0x0000000004D60000-0x0000000004D61000-memory.dmp

Filesize
4KB

Download
memory/2004-64-0x0000000000580000-0x0000000000596000-memory.dmp

Filesize
88KB

Download
memory/2004-65-0x0000000004DA0000-0x0000000004E55000-memory.dmp

Filesize
724KB

Download
memory/2004-66-0x0000000004E60000-0x0000000004ED5000-memory.dmp

Filesize
468KB

Download

Analysis

Sharing