webmonitor | 58949b34eb0f77b45800e72a3ef31e9ae61725a4fc8208f5a718918094758485

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13-02-2024 00:06

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General

Target

HSBC_PAYMENT_COPY.pdf.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

Processes:

resource	yara_rule
behavioral2/memory/3268-47-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/3268-46-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/3268-48-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/3268-51-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/3268-129-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral2/memory/4600-7-0x00000000050A0000-0x00000000050B2000-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

Processes:

HSBC_PAYMENT_COPY.pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	HSBC_PAYMENT_COPY.pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

HSBC_PAYMENT_COPY.pdf.exe

description pid process target process

PID 4600 set thread context of 3268 4600 HSBC_PAYMENT_COPY.pdf.exe RegSvcs.exe
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

Processes:

schtasks.exe

pid process

540 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exepowershell.exeHSBC_PAYMENT_COPY.pdf.exepowershell.exe

pid process

2336 powershell.exe
552 powershell.exe
4600 HSBC_PAYMENT_COPY.pdf.exe
552 powershell.exe
3240 powershell.exe
2336 powershell.exe
3240 powershell.exe

description	pid	process	target process
PID 4600 set thread context of 3268	4600	HSBC_PAYMENT_COPY.pdf.exe	RegSvcs.exe

pid	process
540	schtasks.exe

pid	process
2336	powershell.exe
552	powershell.exe
4600	HSBC_PAYMENT_COPY.pdf.exe
552	powershell.exe
3240	powershell.exe
2336	powershell.exe
3240	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

powershell.exepowershell.exeHSBC_PAYMENT_COPY.pdf.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2336	powershell.exe
Token: SeDebugPrivilege	552	powershell.exe
Token: SeDebugPrivilege	4600	HSBC_PAYMENT_COPY.pdf.exe
Token: SeDebugPrivilege	3240	powershell.exe
Token: SeShutdownPrivilege	3268	RegSvcs.exe
Token: SeCreatePagefilePrivilege	3268	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

HSBC_PAYMENT_COPY.pdf.exeRegSvcs.exe

description	pid	process	target process
PID 4600 wrote to memory of 2336	4600	HSBC_PAYMENT_COPY.pdf.exe	powershell.exe
PID 4600 wrote to memory of 2336	4600	HSBC_PAYMENT_COPY.pdf.exe	powershell.exe
PID 4600 wrote to memory of 2336	4600	HSBC_PAYMENT_COPY.pdf.exe	powershell.exe
PID 4600 wrote to memory of 552	4600	HSBC_PAYMENT_COPY.pdf.exe	powershell.exe
PID 4600 wrote to memory of 552	4600	HSBC_PAYMENT_COPY.pdf.exe	powershell.exe
PID 4600 wrote to memory of 552	4600	HSBC_PAYMENT_COPY.pdf.exe	powershell.exe
PID 4600 wrote to memory of 540	4600	HSBC_PAYMENT_COPY.pdf.exe	schtasks.exe
PID 4600 wrote to memory of 540	4600	HSBC_PAYMENT_COPY.pdf.exe	schtasks.exe
PID 4600 wrote to memory of 540	4600	HSBC_PAYMENT_COPY.pdf.exe	schtasks.exe
PID 4600 wrote to memory of 3240	4600	HSBC_PAYMENT_COPY.pdf.exe	powershell.exe
PID 4600 wrote to memory of 3240	4600	HSBC_PAYMENT_COPY.pdf.exe	powershell.exe
PID 4600 wrote to memory of 3240	4600	HSBC_PAYMENT_COPY.pdf.exe	powershell.exe
PID 4600 wrote to memory of 3268	4600	HSBC_PAYMENT_COPY.pdf.exe	RegSvcs.exe
PID 4600 wrote to memory of 3268	4600	HSBC_PAYMENT_COPY.pdf.exe	RegSvcs.exe
PID 4600 wrote to memory of 3268	4600	HSBC_PAYMENT_COPY.pdf.exe	RegSvcs.exe
PID 4600 wrote to memory of 3268	4600	HSBC_PAYMENT_COPY.pdf.exe	RegSvcs.exe
PID 4600 wrote to memory of 3268	4600	HSBC_PAYMENT_COPY.pdf.exe	RegSvcs.exe
PID 4600 wrote to memory of 3268	4600	HSBC_PAYMENT_COPY.pdf.exe	RegSvcs.exe
PID 4600 wrote to memory of 3268	4600	HSBC_PAYMENT_COPY.pdf.exe	RegSvcs.exe
PID 4600 wrote to memory of 3268	4600	HSBC_PAYMENT_COPY.pdf.exe	RegSvcs.exe
PID 4600 wrote to memory of 3268	4600	HSBC_PAYMENT_COPY.pdf.exe	RegSvcs.exe
PID 3268 wrote to memory of 2504	3268	RegSvcs.exe	cmd.exe
PID 3268 wrote to memory of 2504	3268	RegSvcs.exe	cmd.exe
PID 3268 wrote to memory of 2504	3268	RegSvcs.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\HSBC_PAYMENT_COPY.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\HSBC_PAYMENT_COPY.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4600
- 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\HSBC_PAYMENT_COPY.pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2336
- 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:552
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WTddvQz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE242.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:540
- 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:3268
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SYU9vJ2OIBtmHuqA.bat" "
    3⤵
    PID:2504
- 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:3240

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
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
5aa79ae40af7053d46f4fb27d17aba02

SHA1
044eb281e1f6d3ea84806ff5feca349d7ead8d2f

SHA256
17fa3db5b6835dd5ba94d8001c96b2967d92acd91225cd13abaae14979f9c42c

SHA512
e1a119df81b43d76e7f1614e06e750d3114d2505ee2c4c1719a9dd06c87b74e25965b360db040355443a4e91cb6c7f04df29f920fc126d29d37c6e4cf7869419

Download Submit
C:\Users\Admin\AppData\Local\Temp\SYU9vJ2OIBtmHuqA.bat

Filesize
204B

MD5
178cb97e0ffde4b95b8fc35a9d1cdca5

SHA1
90303008101909c080ca8b22a0b3bd43421f586f

SHA256
6d27486115ed5b77dda7f73f77d56a6600dd58791562bff26f0d9ad8efa23e51

SHA512
f0f45bd6091adc6e7b0ef3d70bde2063c63c10244850ce1033330b34b1e0a291e48dc03ce3d1f83b3edf01d2255aacec70fe192a65a093ca9a472459e5be80b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_33jhqodp.qoy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE242.tmp

Filesize
1KB

MD5
f75b2d4a01b66dcb27a41424ae3c3a4f

SHA1
2ddddefa33cdb3462e0260db50972922a76c8b9d

SHA256
8f5a9dd1c271b6dc5ee53a89dbab105fe70c2bac92a19b17d6696ca27e27f99a

SHA512
834a6b53c4a4dfac810e37812d4b023e4dcb6ab2881116e5492e7f6bb9d17a1facaae565d58580239cd8680353a774145f7ee86f2e49d8549cd5f93217357758

Download Submit
memory/552-56-0x00000000062A0000-0x00000000062BE000-memory.dmp

Filesize
120KB

Download
memory/552-93-0x0000000004E90000-0x0000000004EA0000-memory.dmp

Filesize
64KB

Download
memory/552-66-0x00000000062F0000-0x000000000633C000-memory.dmp

Filesize
304KB

Download
memory/552-111-0x00000000077D0000-0x00000000077E1000-memory.dmp

Filesize
68KB

Download
memory/552-67-0x0000000007230000-0x0000000007262000-memory.dmp

Filesize
200KB

Download
memory/552-68-0x000000007F6B0000-0x000000007F6C0000-memory.dmp

Filesize
64KB

Download
memory/552-95-0x0000000007C10000-0x000000000828A000-memory.dmp

Filesize
6.5MB

Download
memory/552-71-0x0000000075010000-0x000000007505C000-memory.dmp

Filesize
304KB

Download
memory/552-92-0x0000000007290000-0x0000000007333000-memory.dmp

Filesize
652KB

Download
memory/552-114-0x0000000007910000-0x000000000792A000-memory.dmp

Filesize
104KB

Download
memory/552-19-0x00000000054D0000-0x0000000005AF8000-memory.dmp

Filesize
6.2MB

Download
memory/552-20-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/552-21-0x0000000004E90000-0x0000000004EA0000-memory.dmp

Filesize
64KB

Download
memory/552-22-0x0000000004E90000-0x0000000004EA0000-memory.dmp

Filesize
64KB

Download
memory/552-125-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/552-45-0x0000000005DE0000-0x0000000006134000-memory.dmp

Filesize
3.3MB

Download
memory/552-24-0x00000000053D0000-0x00000000053F2000-memory.dmp

Filesize
136KB

Download
memory/2336-110-0x0000000006FF0000-0x0000000007086000-memory.dmp

Filesize
600KB

Download
memory/2336-25-0x0000000005240000-0x00000000052A6000-memory.dmp

Filesize
408KB

Download
memory/2336-96-0x0000000006D70000-0x0000000006D8A000-memory.dmp

Filesize
104KB

Download
memory/2336-18-0x0000000002160000-0x0000000002170000-memory.dmp

Filesize
64KB

Download
memory/2336-26-0x00000000052B0000-0x0000000005316000-memory.dmp

Filesize
408KB

Download
memory/2336-94-0x0000000002160000-0x0000000002170000-memory.dmp

Filesize
64KB

Download
memory/2336-70-0x000000007EEA0000-0x000000007EEB0000-memory.dmp

Filesize
64KB

Download
memory/2336-91-0x0000000002160000-0x0000000002170000-memory.dmp

Filesize
64KB

Download
memory/2336-81-0x0000000006A00000-0x0000000006A1E000-memory.dmp

Filesize
120KB

Download
memory/2336-17-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/2336-16-0x0000000002110000-0x0000000002146000-memory.dmp

Filesize
216KB

Download
memory/2336-109-0x0000000006DE0000-0x0000000006DEA000-memory.dmp

Filesize
40KB

Download
memory/2336-113-0x0000000006FB0000-0x0000000006FC4000-memory.dmp

Filesize
80KB

Download
memory/2336-69-0x0000000075010000-0x000000007505C000-memory.dmp

Filesize
304KB

Download
memory/2336-124-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3240-54-0x0000000002B10000-0x0000000002B20000-memory.dmp

Filesize
64KB

Download
memory/3240-98-0x0000000075010000-0x000000007505C000-memory.dmp

Filesize
304KB

Download
memory/3240-123-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3240-53-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3240-115-0x0000000007AA0000-0x0000000007AA8000-memory.dmp

Filesize
32KB

Download
memory/3240-112-0x00000000079B0000-0x00000000079BE000-memory.dmp

Filesize
56KB

Download
memory/3240-108-0x0000000002B10000-0x0000000002B20000-memory.dmp

Filesize
64KB

Download
memory/3240-55-0x0000000002B10000-0x0000000002B20000-memory.dmp

Filesize
64KB

Download
memory/3240-97-0x000000007F530000-0x000000007F540000-memory.dmp

Filesize
64KB

Download
memory/3268-46-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3268-51-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3268-47-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3268-48-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3268-129-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/4600-6-0x0000000005640000-0x000000000564A000-memory.dmp

Filesize
40KB

Download
memory/4600-8-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/4600-9-0x00000000059A0000-0x00000000059B0000-memory.dmp

Filesize
64KB

Download
memory/4600-7-0x00000000050A0000-0x00000000050B2000-memory.dmp

Filesize
72KB

Download
memory/4600-11-0x0000000008F00000-0x0000000008FFA000-memory.dmp

Filesize
1000KB

Download
memory/4600-52-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/4600-5-0x00000000059A0000-0x00000000059B0000-memory.dmp

Filesize
64KB

Download
memory/4600-4-0x0000000005740000-0x00000000057DC000-memory.dmp

Filesize
624KB

Download
memory/4600-3-0x00000000056A0000-0x0000000005732000-memory.dmp

Filesize
584KB

Download
memory/4600-0-0x0000000000B20000-0x0000000000C8C000-memory.dmp

Filesize
1.4MB

Download
memory/4600-2-0x0000000005C50000-0x00000000061F4000-memory.dmp

Filesize
5.6MB

Download
memory/4600-10-0x0000000008D10000-0x0000000008E3C000-memory.dmp

Filesize
1.2MB

Download
memory/4600-1-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download