webmonitor | 0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253

Analysis

max time kernel
98s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2023 17:40

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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/4056-48-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/4056-49-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/4056-51-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/4056-46-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/4056-129-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/4072-7-0x0000000004C00000-0x0000000004C12000-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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	08f2609e7f7daf0f78032f773a68b72c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4072 set thread context of 4056	4072	08f2609e7f7daf0f78032f773a68b72c.exe	103

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
2340	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2024	powershell.exe
4548	powershell.exe
4072	08f2609e7f7daf0f78032f773a68b72c.exe
4548	powershell.exe
4380	powershell.exe
2024	powershell.exe
4380	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4548	powershell.exe
Token: SeDebugPrivilege	2024	powershell.exe
Token: SeDebugPrivilege	4072	08f2609e7f7daf0f78032f773a68b72c.exe
Token: SeDebugPrivilege	4380	powershell.exe
Token: SeShutdownPrivilege	4056	RegSvcs.exe
Token: SeCreatePagefilePrivilege	4056	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 2024	4072	08f2609e7f7daf0f78032f773a68b72c.exe	95
PID 4072 wrote to memory of 2024	4072	08f2609e7f7daf0f78032f773a68b72c.exe	95
PID 4072 wrote to memory of 2024	4072	08f2609e7f7daf0f78032f773a68b72c.exe	95
PID 4072 wrote to memory of 4548	4072	08f2609e7f7daf0f78032f773a68b72c.exe	98
PID 4072 wrote to memory of 4548	4072	08f2609e7f7daf0f78032f773a68b72c.exe	98
PID 4072 wrote to memory of 4548	4072	08f2609e7f7daf0f78032f773a68b72c.exe	98
PID 4072 wrote to memory of 2340	4072	08f2609e7f7daf0f78032f773a68b72c.exe	100
PID 4072 wrote to memory of 2340	4072	08f2609e7f7daf0f78032f773a68b72c.exe	100
PID 4072 wrote to memory of 2340	4072	08f2609e7f7daf0f78032f773a68b72c.exe	100
PID 4072 wrote to memory of 4380	4072	08f2609e7f7daf0f78032f773a68b72c.exe	104
PID 4072 wrote to memory of 4380	4072	08f2609e7f7daf0f78032f773a68b72c.exe	104
PID 4072 wrote to memory of 4380	4072	08f2609e7f7daf0f78032f773a68b72c.exe	104
PID 4072 wrote to memory of 4056	4072	08f2609e7f7daf0f78032f773a68b72c.exe	103
PID 4072 wrote to memory of 4056	4072	08f2609e7f7daf0f78032f773a68b72c.exe	103
PID 4072 wrote to memory of 4056	4072	08f2609e7f7daf0f78032f773a68b72c.exe	103
PID 4072 wrote to memory of 4056	4072	08f2609e7f7daf0f78032f773a68b72c.exe	103
PID 4072 wrote to memory of 4056	4072	08f2609e7f7daf0f78032f773a68b72c.exe	103
PID 4072 wrote to memory of 4056	4072	08f2609e7f7daf0f78032f773a68b72c.exe	103
PID 4072 wrote to memory of 4056	4072	08f2609e7f7daf0f78032f773a68b72c.exe	103
PID 4072 wrote to memory of 4056	4072	08f2609e7f7daf0f78032f773a68b72c.exe	103
PID 4072 wrote to memory of 4056	4072	08f2609e7f7daf0f78032f773a68b72c.exe	103
PID 4056 wrote to memory of 1644	4056	RegSvcs.exe	108
PID 4056 wrote to memory of 1644	4056	RegSvcs.exe	108
PID 4056 wrote to memory of 1644	4056	RegSvcs.exe	108

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:4072
- 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:2024
- 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:4548
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WTddvQz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF992.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2340
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4056
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VPdqpVX1LNczGwUZ.bat" "
    3⤵
    PID:1644
- 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:4380

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
c73f716ea989e55c87eee78409d44b6b

SHA1
bb4fe514bec9baae35407a971b7d98bb258e95f4

SHA256
10f35a5ca67731d56465802ddf34ba84c2ccf85109ef8e929d549ccee93c287f

SHA512
e919f90ab866c3389ade12b5e13184a01bb792450f354c0d84f1a785a42b2273e47d9d5d42287c675a89c6d99bea58d670d6f6d22fdbe0ee96363d8297eaafa2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
d2056997e4e37b957a842a89833d2f1e

SHA1
6be3d8c6d2f983e368629388000f7595a0f3607b

SHA256
5ac3a127a5233eba45b9a6dbc837c73d1d561abd066de1620bc52eaa048a44bd

SHA512
64f66c0a2e5599e6efd62aa621a7451ab557d0596abe8f36b0b0299a86aaa060b5ececc5929de34edbb3185ddf522dfaa06c92fe520324eab77dd0dd1c275b13

Download Submit
C:\Users\Admin\AppData\Local\Temp\VPdqpVX1LNczGwUZ.bat

Filesize
204B

MD5
6d3f8b0f9f06e2c42a0e83bb79a6178b

SHA1
1699b38d3f6673588b83704e5592962b581bc7fb

SHA256
9ccfea825bdd90cdb9cd5c5c4e2b24c370fed7a3ba5949f10e5512ecbda409bc

SHA512
a98a476b95cbe64825d6af9860cc42c1ba5d8f3ab4adbdf3471b271d62b922e149942889644134a2ebeb9f5a3f0ba3e655633de2c76615e7b4bf25ee2ed563ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2asmcecq.cb1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF992.tmp

Filesize
1KB

MD5
5e408e0d665df026cb9c358d74bdee56

SHA1
314408214de0b8cc2b12704789f91270b6cac6ce

SHA256
ba580fa67b569c839e24875bf0300933bb74365a31e0082583e0e9e0dc3461f0

SHA512
484cfeff45c4138713dbcdae4d895f82c866a7d4cb82e35748903829c340d7b6112d97b7ab053055fb199e97421bd05619e002f8a06351cf87eba3262a6d99c9

Download Submit
memory/2024-115-0x00000000071C0000-0x00000000071C8000-memory.dmp

Filesize
32KB

Download
memory/2024-47-0x00000000045D0000-0x00000000045E0000-memory.dmp

Filesize
64KB

Download
memory/2024-93-0x00000000045D0000-0x00000000045E0000-memory.dmp

Filesize
64KB

Download
memory/2024-96-0x0000000006EA0000-0x0000000006EBA000-memory.dmp

Filesize
104KB

Download
memory/2024-91-0x000000007F0F0000-0x000000007F100000-memory.dmp

Filesize
64KB

Download
memory/2024-98-0x0000000007120000-0x00000000071B6000-memory.dmp

Filesize
600KB

Download
memory/2024-16-0x00000000045E0000-0x0000000004616000-memory.dmp

Filesize
216KB

Download
memory/2024-17-0x0000000004C50000-0x0000000005278000-memory.dmp

Filesize
6.2MB

Download
memory/2024-19-0x00000000045D0000-0x00000000045E0000-memory.dmp

Filesize
64KB

Download
memory/2024-18-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2024-79-0x0000000075AC0000-0x0000000075B0C000-memory.dmp

Filesize
304KB

Download
memory/2024-34-0x0000000005510000-0x0000000005576000-memory.dmp

Filesize
408KB

Download
memory/2024-114-0x00000000071E0000-0x00000000071FA000-memory.dmp

Filesize
104KB

Download
memory/2024-94-0x00000000045D0000-0x00000000045E0000-memory.dmp

Filesize
64KB

Download
memory/2024-113-0x00000000070E0000-0x00000000070F4000-memory.dmp

Filesize
80KB

Download
memory/2024-121-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4056-49-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/4056-48-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/4056-51-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/4056-129-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/4056-46-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/4072-1-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-2-0x0000000005820000-0x0000000005DC4000-memory.dmp

Filesize
5.6MB

Download
memory/4072-3-0x0000000005270000-0x0000000005302000-memory.dmp

Filesize
584KB

Download
memory/4072-4-0x0000000005310000-0x00000000053AC000-memory.dmp

Filesize
624KB

Download
memory/4072-7-0x0000000004C00000-0x0000000004C12000-memory.dmp

Filesize
72KB

Download
memory/4072-52-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-0-0x0000000000810000-0x000000000097C000-memory.dmp

Filesize
1.4MB

Download
memory/4072-5-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/4072-6-0x00000000055B0000-0x00000000055BA000-memory.dmp

Filesize
40KB

Download
memory/4072-11-0x0000000008AB0000-0x0000000008BAA000-memory.dmp

Filesize
1000KB

Download
memory/4072-10-0x0000000008980000-0x0000000008AAC000-memory.dmp

Filesize
1.2MB

Download
memory/4072-9-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/4072-8-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4380-54-0x0000000002FB0000-0x0000000002FC0000-memory.dmp

Filesize
64KB

Download
memory/4380-99-0x000000007F160000-0x000000007F170000-memory.dmp

Filesize
64KB

Download
memory/4380-125-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4380-53-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4380-55-0x0000000002FB0000-0x0000000002FC0000-memory.dmp

Filesize
64KB

Download
memory/4380-111-0x0000000002FB0000-0x0000000002FC0000-memory.dmp

Filesize
64KB

Download
memory/4380-100-0x0000000075AC0000-0x0000000075B0C000-memory.dmp

Filesize
304KB

Download
memory/4548-21-0x0000000004DC0000-0x0000000004DE2000-memory.dmp

Filesize
136KB

Download
memory/4548-59-0x0000000005DE0000-0x0000000005E2C000-memory.dmp

Filesize
304KB

Download
memory/4548-69-0x0000000075AC0000-0x0000000075B0C000-memory.dmp

Filesize
304KB

Download
memory/4548-101-0x00000000072C0000-0x00000000072D1000-memory.dmp

Filesize
68KB

Download
memory/4548-81-0x0000000004800000-0x0000000004810000-memory.dmp

Filesize
64KB

Download
memory/4548-68-0x000000007EEB0000-0x000000007EEC0000-memory.dmp

Filesize
64KB

Download
memory/4548-95-0x0000000007700000-0x0000000007D7A000-memory.dmp

Filesize
6.5MB

Download
memory/4548-112-0x00000000072F0000-0x00000000072FE000-memory.dmp

Filesize
56KB

Download
memory/4548-45-0x0000000005990000-0x0000000005CE4000-memory.dmp

Filesize
3.3MB

Download
memory/4548-80-0x0000000006EF0000-0x0000000006F0E000-memory.dmp

Filesize
120KB

Download
memory/4548-56-0x0000000005DB0000-0x0000000005DCE000-memory.dmp

Filesize
120KB

Download
memory/4548-97-0x0000000007130000-0x000000000713A000-memory.dmp

Filesize
40KB

Download
memory/4548-122-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4548-92-0x0000000006F70000-0x0000000007013000-memory.dmp

Filesize
652KB

Download
memory/4548-35-0x0000000004800000-0x0000000004810000-memory.dmp

Filesize
64KB

Download
memory/4548-67-0x0000000006F30000-0x0000000006F62000-memory.dmp

Filesize
200KB

Download
memory/4548-23-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download
memory/4548-24-0x0000000004800000-0x0000000004810000-memory.dmp

Filesize
64KB

Download
memory/4548-22-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download