webmonitor | 0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253

Analysis

max time kernel
47s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 05:43

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General

Target

08f2609e7f7daf0f78032f773a68b72c.exe
Size

1.4MB
MD5

08f2609e7f7daf0f78032f773a68b72c
SHA1

f00e4c61cce15ee5f43c032d8d595aba65fbdc86
SHA256

0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253
SHA512

8c1ba503d2956ad0c60b11547908b81e601a3bfb2c75ae73c03718bd883ff94451b0697f915049614470d59388d161c02893ad90b48466f77fc154a20215da74
SSDEEP

24576:abOd/OsBgo0q4wMf/5vUQgxZGCc+b8QHsDpXgbkyh1Sl+inzQSjzVrV9ZtXCU8jt:abOsoHMXpUnxZGClb8QGryPSEY79/CUw

Score

10^/10

webmonitor backdoor infostealer rat

Malware Config

Extracted

Family

webmonitor

niiarmah.wm01.to:443

Attributes

config_key
4EcDHH7aWbl50LayUnuRlJWUXiKQWk0O
private_key
yvkn5wM8E
url_path
/recv5.php

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
behavioral2/memory/1136-47-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/1136-50-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/1136-51-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/1136-48-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/1136-129-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/1592-7-0x0000000005020000-0x0000000005032000-memory.dmp	CustAttr

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	08f2609e7f7daf0f78032f773a68b72c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1592 set thread context of 1136	1592	08f2609e7f7daf0f78032f773a68b72c.exe	105

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

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/Job

T1053

pid	Process
3948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4552	powershell.exe
4552	powershell.exe
4364	powershell.exe
4364	powershell.exe
1592	08f2609e7f7daf0f78032f773a68b72c.exe
1592	08f2609e7f7daf0f78032f773a68b72c.exe
3532	powershell.exe
3532	powershell.exe
4552	powershell.exe
4364	powershell.exe
3532	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4364	powershell.exe
Token: SeDebugPrivilege	4552	powershell.exe
Token: SeDebugPrivilege	1592	08f2609e7f7daf0f78032f773a68b72c.exe
Token: SeDebugPrivilege	3532	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 4364	1592	08f2609e7f7daf0f78032f773a68b72c.exe	100
PID 1592 wrote to memory of 4364	1592	08f2609e7f7daf0f78032f773a68b72c.exe	100
PID 1592 wrote to memory of 4364	1592	08f2609e7f7daf0f78032f773a68b72c.exe	100
PID 1592 wrote to memory of 4552	1592	08f2609e7f7daf0f78032f773a68b72c.exe	107
PID 1592 wrote to memory of 4552	1592	08f2609e7f7daf0f78032f773a68b72c.exe	107
PID 1592 wrote to memory of 4552	1592	08f2609e7f7daf0f78032f773a68b72c.exe	107
PID 1592 wrote to memory of 3948	1592	08f2609e7f7daf0f78032f773a68b72c.exe	102
PID 1592 wrote to memory of 3948	1592	08f2609e7f7daf0f78032f773a68b72c.exe	102
PID 1592 wrote to memory of 3948	1592	08f2609e7f7daf0f78032f773a68b72c.exe	102
PID 1592 wrote to memory of 3532	1592	08f2609e7f7daf0f78032f773a68b72c.exe	106
PID 1592 wrote to memory of 3532	1592	08f2609e7f7daf0f78032f773a68b72c.exe	106
PID 1592 wrote to memory of 3532	1592	08f2609e7f7daf0f78032f773a68b72c.exe	106
PID 1592 wrote to memory of 1136	1592	08f2609e7f7daf0f78032f773a68b72c.exe	105
PID 1592 wrote to memory of 1136	1592	08f2609e7f7daf0f78032f773a68b72c.exe	105
PID 1592 wrote to memory of 1136	1592	08f2609e7f7daf0f78032f773a68b72c.exe	105
PID 1592 wrote to memory of 1136	1592	08f2609e7f7daf0f78032f773a68b72c.exe	105
PID 1592 wrote to memory of 1136	1592	08f2609e7f7daf0f78032f773a68b72c.exe	105
PID 1592 wrote to memory of 1136	1592	08f2609e7f7daf0f78032f773a68b72c.exe	105
PID 1592 wrote to memory of 1136	1592	08f2609e7f7daf0f78032f773a68b72c.exe	105
PID 1592 wrote to memory of 1136	1592	08f2609e7f7daf0f78032f773a68b72c.exe	105
PID 1592 wrote to memory of 1136	1592	08f2609e7f7daf0f78032f773a68b72c.exe	105

C:\Users\Admin\AppData\Local\Temp\08f2609e7f7daf0f78032f773a68b72c.exe
"C:\Users\Admin\AppData\Local\Temp\08f2609e7f7daf0f78032f773a68b72c.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\08f2609e7f7daf0f78032f773a68b72c.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4364
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WTddvQz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF443.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3948
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1136
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CrfH3AZGAkLBEj7z.bat" "
    3⤵
    PID:3468
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WTddvQz.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3532
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WTddvQz.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1136-47-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1136-48-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1136-51-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1136-129-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1136-50-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1592-1-0x0000000000AA0000-0x0000000000C0C000-memory.dmp

Filesize
1.4MB

Download
memory/1592-6-0x00000000056B0000-0x00000000056BA000-memory.dmp

Filesize
40KB

Download
memory/1592-7-0x0000000005020000-0x0000000005032000-memory.dmp

Filesize
72KB

Download
memory/1592-8-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/1592-9-0x0000000005970000-0x0000000005980000-memory.dmp

Filesize
64KB

Download
memory/1592-10-0x0000000008C50000-0x0000000008D7C000-memory.dmp

Filesize
1.2MB

Download
memory/1592-11-0x0000000008D80000-0x0000000008E7A000-memory.dmp

Filesize
1000KB

Download
memory/1592-5-0x0000000005970000-0x0000000005980000-memory.dmp

Filesize
64KB

Download
memory/1592-52-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/1592-4-0x0000000005740000-0x00000000057DC000-memory.dmp

Filesize
624KB

Download
memory/1592-0-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/1592-2-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/1592-3-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/3532-125-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/3532-109-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/3532-54-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/3532-55-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/3532-53-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/3532-99-0x0000000075AE0000-0x0000000075B2C000-memory.dmp

Filesize
304KB

Download
memory/4364-24-0x0000000005810000-0x0000000005876000-memory.dmp

Filesize
408KB

Download
memory/4364-17-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/4364-42-0x0000000005AA0000-0x0000000005DF4000-memory.dmp

Filesize
3.3MB

Download
memory/4364-22-0x0000000002780000-0x0000000002790000-memory.dmp

Filesize
64KB

Download
memory/4364-27-0x0000000005930000-0x0000000005996000-memory.dmp

Filesize
408KB

Download
memory/4364-113-0x00000000075C0000-0x00000000075D4000-memory.dmp

Filesize
80KB

Download
memory/4364-19-0x0000000005170000-0x0000000005798000-memory.dmp

Filesize
6.2MB

Download
memory/4364-112-0x00000000075B0000-0x00000000075BE000-memory.dmp

Filesize
56KB

Download
memory/4364-18-0x0000000002780000-0x0000000002790000-memory.dmp

Filesize
64KB

Download
memory/4364-118-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/4364-69-0x000000007F040000-0x000000007F050000-memory.dmp

Filesize
64KB

Download
memory/4364-67-0x0000000006FF0000-0x0000000007022000-memory.dmp

Filesize
200KB

Download
memory/4364-70-0x0000000075AE0000-0x0000000075B2C000-memory.dmp

Filesize
304KB

Download
memory/4364-94-0x0000000002780000-0x0000000002790000-memory.dmp

Filesize
64KB

Download
memory/4364-98-0x00000000073F0000-0x00000000073FA000-memory.dmp

Filesize
40KB

Download
memory/4364-96-0x00000000079C0000-0x000000000803A000-memory.dmp

Filesize
6.5MB

Download
memory/4364-93-0x0000000002780000-0x0000000002790000-memory.dmp

Filesize
64KB

Download
memory/4364-91-0x0000000007250000-0x00000000072F3000-memory.dmp

Filesize
652KB

Download
memory/4364-16-0x0000000002730000-0x0000000002766000-memory.dmp

Filesize
216KB

Download
memory/4552-21-0x00000000021A0000-0x00000000021B0000-memory.dmp

Filesize
64KB

Download
memory/4552-110-0x0000000006FE0000-0x0000000007076000-memory.dmp

Filesize
600KB

Download
memory/4552-97-0x0000000006D60000-0x0000000006D7A000-memory.dmp

Filesize
104KB

Download
memory/4552-111-0x0000000006F60000-0x0000000006F71000-memory.dmp

Filesize
68KB

Download
memory/4552-90-0x000000007F6E0000-0x000000007F6F0000-memory.dmp

Filesize
64KB

Download
memory/4552-95-0x00000000021A0000-0x00000000021B0000-memory.dmp

Filesize
64KB

Download
memory/4552-92-0x00000000021A0000-0x00000000021B0000-memory.dmp

Filesize
64KB

Download
memory/4552-80-0x0000000005FF0000-0x000000000600E000-memory.dmp

Filesize
120KB

Download
memory/4552-20-0x00000000021A0000-0x00000000021B0000-memory.dmp

Filesize
64KB

Download
memory/4552-114-0x00000000070A0000-0x00000000070BA000-memory.dmp

Filesize
104KB

Download
memory/4552-115-0x0000000007080000-0x0000000007088000-memory.dmp

Filesize
32KB

Download
memory/4552-23-0x0000000004950000-0x0000000004972000-memory.dmp

Filesize
136KB

Download
memory/4552-68-0x0000000075AE0000-0x0000000075B2C000-memory.dmp

Filesize
304KB

Download
memory/4552-122-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/4552-26-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/4552-66-0x0000000005AC0000-0x0000000005B0C000-memory.dmp

Filesize
304KB

Download
memory/4552-65-0x0000000005A30000-0x0000000005A4E000-memory.dmp

Filesize
120KB

Download