webmonitor | f4743b96b2336504bd9b8207b0794da22e9eaf583703a7e3dd58cf872314ac4f

Analysis

max time kernel
146s
max time network
138s
platform
windows7_x64
resource
win7-en-20210920
submitted
15-10-2021 13:18

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General

Target

f010795b19f2c56b230b7de0f9803cd3aeea208a.exe
Size

2.0MB
MD5

517e0a4d7e27837a7075615032a6cc69
SHA1

f010795b19f2c56b230b7de0f9803cd3aeea208a
SHA256

f4743b96b2336504bd9b8207b0794da22e9eaf583703a7e3dd58cf872314ac4f
SHA512

5c9f1b9c874587b79852e98fe7adb06f544dbbb5b5af7bd60205cd4c24a43e5ab37d85d4ccb1fb22815942e6546cf936f1caa371718440cd01618094a0f18bb7

Score

10^/10

webmonitor agilenet 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 5 IoCs

resource	yara_rule
behavioral1/memory/580-74-0x0000000000420000-0x0000000000513000-memory.dmp	family_webmonitor
behavioral1/memory/580-75-0x0000000000420000-0x0000000000513000-memory.dmp	family_webmonitor
behavioral1/memory/580-76-0x0000000000420000-0x0000000000513000-memory.dmp	family_webmonitor
behavioral1/memory/580-78-0x000000000049D8CA-mapping.dmp	family_webmonitor
behavioral1/memory/580-80-0x0000000000421000-0x000000000050B000-memory.dmp	family_webmonitor

Executes dropped EXE 4 IoCs

pid	Process
1220	Updates.exe
580	AddInProcess32.exe
1688	Antivirus.exe
1068	Antivirus.exe

Loads dropped DLL 4 IoCs

pid	Process
1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe
1220	Updates.exe
1220	Updates.exe
1688	Antivirus.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral1/memory/1516-56-0x00000000020F0000-0x0000000002111000-memory.dmp	agile_net

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\Updates1 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Updates.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1220 set thread context of 580	1220	Updates.exe	33

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe
1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe
1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe
1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe
1220	Updates.exe
1220	Updates.exe
1220	Updates.exe
1220	Updates.exe
1688	Antivirus.exe
1068	Antivirus.exe
1068	Antivirus.exe
1068	Antivirus.exe
1220	Updates.exe
1220	Updates.exe
1220	Updates.exe
1220	Updates.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe
Token: SeDebugPrivilege	1220	Updates.exe
Token: SeDebugPrivilege	1688	Antivirus.exe
Token: SeDebugPrivilege	1068	Antivirus.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1012	1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe	27
PID 1516 wrote to memory of 1012	1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe	27
PID 1516 wrote to memory of 1012	1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe	27
PID 1516 wrote to memory of 1012	1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe	27
PID 1012 wrote to memory of 1736	1012	cmd.exe	29
PID 1012 wrote to memory of 1736	1012	cmd.exe	29
PID 1012 wrote to memory of 1736	1012	cmd.exe	29
PID 1012 wrote to memory of 1736	1012	cmd.exe	29
PID 1516 wrote to memory of 1220	1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe	30
PID 1516 wrote to memory of 1220	1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe	30
PID 1516 wrote to memory of 1220	1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe	30
PID 1516 wrote to memory of 1220	1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe	30
PID 1516 wrote to memory of 1220	1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe	30
PID 1516 wrote to memory of 1220	1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe	30
PID 1516 wrote to memory of 1220	1516	f010795b19f2c56b230b7de0f9803cd3aeea208a.exe	30
PID 1220 wrote to memory of 580	1220	Updates.exe	33
PID 1220 wrote to memory of 580	1220	Updates.exe	33
PID 1220 wrote to memory of 580	1220	Updates.exe	33
PID 1220 wrote to memory of 580	1220	Updates.exe	33
PID 1220 wrote to memory of 580	1220	Updates.exe	33
PID 1220 wrote to memory of 580	1220	Updates.exe	33
PID 1220 wrote to memory of 580	1220	Updates.exe	33
PID 1220 wrote to memory of 580	1220	Updates.exe	33
PID 1220 wrote to memory of 580	1220	Updates.exe	33
PID 1220 wrote to memory of 580	1220	Updates.exe	33
PID 1220 wrote to memory of 1688	1220	Updates.exe	34
PID 1220 wrote to memory of 1688	1220	Updates.exe	34
PID 1220 wrote to memory of 1688	1220	Updates.exe	34
PID 1220 wrote to memory of 1688	1220	Updates.exe	34
PID 1688 wrote to memory of 1068	1688	Antivirus.exe	35
PID 1688 wrote to memory of 1068	1688	Antivirus.exe	35
PID 1688 wrote to memory of 1068	1688	Antivirus.exe	35
PID 1688 wrote to memory of 1068	1688	Antivirus.exe	35

C:\Users\Admin\AppData\Local\Temp\f010795b19f2c56b230b7de0f9803cd3aeea208a.exe
"C:\Users\Admin\AppData\Local\Temp\f010795b19f2c56b230b7de0f9803cd3aeea208a.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Updates1" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Updates.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1012
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Updates1" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Updates.exe"
    3⤵
    - Adds Run key to start application
    PID:1736
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Updates.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Updates.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1220
- - C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - Executes dropped EXE
    PID:580
- - C:\Users\Admin\AppData\Local\Temp\Antivirus.exe
    "C:\Users\Admin\AppData\Local\Temp\Antivirus.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1688
  - - C:\Users\Admin\AppData\Local\Temp\Antivirus.exe
      "C:\Users\Admin\AppData\Local\Temp\Antivirus.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1068

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/580-80-0x0000000000421000-0x000000000050B000-memory.dmp

Filesize
936KB

Download
memory/580-73-0x0000000000421000-0x000000000050B000-memory.dmp

Filesize
936KB

Download
memory/580-74-0x0000000000420000-0x0000000000513000-memory.dmp

Filesize
972KB

Download
memory/580-75-0x0000000000420000-0x0000000000513000-memory.dmp

Filesize
972KB

Download
memory/580-76-0x0000000000420000-0x0000000000513000-memory.dmp

Filesize
972KB

Download
memory/1220-69-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1220-68-0x0000000000AC0000-0x0000000000ACB000-memory.dmp

Filesize
44KB

Download
memory/1220-66-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/1220-64-0x0000000000F60000-0x0000000000F61000-memory.dmp

Filesize
4KB

Download
memory/1516-53-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1516-57-0x0000000001FB1000-0x0000000001FB2000-memory.dmp

Filesize
4KB

Download
memory/1516-56-0x00000000020F0000-0x0000000002111000-memory.dmp

Filesize
132KB

Download
memory/1516-55-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

Filesize
4KB

Download
memory/1688-87-0x0000000001130000-0x0000000001131000-memory.dmp

Filesize
4KB

Download