webmonitor | 58949b34eb0f77b45800e72a3ef31e9ae61725a4fc8208f5a718918094758485

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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 8 IoCs

resource	yara_rule
behavioral1/memory/2880-29-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2880-30-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2880-31-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2880-36-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2880-38-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2880-50-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2880-56-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2880-57-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral1/memory/1932-3-0x00000000004C0000-0x00000000004D2000-memory.dmp	CustAttr

Unexpected DNS network traffic destination 5 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	185.141.152.26
Destination IP	185.141.152.26
Destination IP	1.2.4.8
Destination IP	1.2.4.8
Destination IP	185.141.152.26

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1932 set thread context of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37

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
3064	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2108	powershell.exe
2812	powershell.exe
2668	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	powershell.exe
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	2668	powershell.exe
Token: SeShutdownPrivilege	2880	RegSvcs.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2668	1932	HSBC_PAYMENT_COPY.pdf.exe	30
PID 1932 wrote to memory of 2668	1932	HSBC_PAYMENT_COPY.pdf.exe	30
PID 1932 wrote to memory of 2668	1932	HSBC_PAYMENT_COPY.pdf.exe	30
PID 1932 wrote to memory of 2668	1932	HSBC_PAYMENT_COPY.pdf.exe	30
PID 1932 wrote to memory of 2108	1932	HSBC_PAYMENT_COPY.pdf.exe	32
PID 1932 wrote to memory of 2108	1932	HSBC_PAYMENT_COPY.pdf.exe	32
PID 1932 wrote to memory of 2108	1932	HSBC_PAYMENT_COPY.pdf.exe	32
PID 1932 wrote to memory of 2108	1932	HSBC_PAYMENT_COPY.pdf.exe	32
PID 1932 wrote to memory of 3064	1932	HSBC_PAYMENT_COPY.pdf.exe	34
PID 1932 wrote to memory of 3064	1932	HSBC_PAYMENT_COPY.pdf.exe	34
PID 1932 wrote to memory of 3064	1932	HSBC_PAYMENT_COPY.pdf.exe	34
PID 1932 wrote to memory of 3064	1932	HSBC_PAYMENT_COPY.pdf.exe	34
PID 1932 wrote to memory of 2812	1932	HSBC_PAYMENT_COPY.pdf.exe	36
PID 1932 wrote to memory of 2812	1932	HSBC_PAYMENT_COPY.pdf.exe	36
PID 1932 wrote to memory of 2812	1932	HSBC_PAYMENT_COPY.pdf.exe	36
PID 1932 wrote to memory of 2812	1932	HSBC_PAYMENT_COPY.pdf.exe	36
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37
PID 1932 wrote to memory of 2880	1932	HSBC_PAYMENT_COPY.pdf.exe	37

C:\Users\Admin\AppData\Local\Temp\HSBC_PAYMENT_COPY.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\HSBC_PAYMENT_COPY.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1932
- 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:2668
- 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:2108
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WTddvQz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF4BB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3064
- 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:2812
- 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
  PID:2880

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF4BB.tmp

Filesize
1KB

MD5
a19dbf789e129a37e9351c4e46e2d6e0

SHA1
d21a914455712589a02235808f8a0b91354a96ef

SHA256
0161f51b46b160307ca1e153bc9988f1efe6a7ae9a610e3b627b9a7a75a9724b

SHA512
ff960bbd18cf7bfdae0f671db3e3b4edb2ad577b9bff77ad3c4c44aae17f044a3b61219b2d323546b5e6c439d1f8fd0204b5bd72ca5f6c7ced9c7290427ea30e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\KVGFTHLGNZR5NRASKFLX.temp

Filesize
7KB

MD5
bace26b932c1b2f7c190ec5990079bf7

SHA1
7bc928ed0638e81abe17bf92f35ef3e0a8676920

SHA256
848a9c7fd449642f3aa6fd4b37ae4f0b7ac3a4a460dbb4e3612a12e27ec67d6a

SHA512
a93e4a92d73bae1289c9945cba6f3d37cd370d1815c0419238d91c99acc95407eed4288b84cb362b5eb5809fef04bc3549486d74f79001873b8da27663095c2a

Download Submit
memory/1932-37-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1932-1-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1932-2-0x0000000004B00000-0x0000000004B40000-memory.dmp

Filesize
256KB

Download
memory/1932-3-0x00000000004C0000-0x00000000004D2000-memory.dmp

Filesize
72KB

Download
memory/1932-4-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1932-5-0x0000000004B00000-0x0000000004B40000-memory.dmp

Filesize
256KB

Download
memory/1932-6-0x0000000008040000-0x000000000816C000-memory.dmp

Filesize
1.2MB

Download
memory/1932-7-0x00000000083F0000-0x00000000084EA000-memory.dmp

Filesize
1000KB

Download
memory/1932-0-0x0000000000FF0000-0x000000000115C000-memory.dmp

Filesize
1.4MB

Download
memory/2108-47-0x0000000002730000-0x0000000002770000-memory.dmp

Filesize
256KB

Download
memory/2108-40-0x000000006EE10000-0x000000006F3BB000-memory.dmp

Filesize
5.7MB

Download
memory/2108-43-0x000000006EE10000-0x000000006F3BB000-memory.dmp

Filesize
5.7MB

Download
memory/2108-42-0x0000000002730000-0x0000000002770000-memory.dmp

Filesize
256KB

Download
memory/2108-51-0x000000006EE10000-0x000000006F3BB000-memory.dmp

Filesize
5.7MB

Download
memory/2108-49-0x0000000002730000-0x0000000002770000-memory.dmp

Filesize
256KB

Download
memory/2668-41-0x000000006EE10000-0x000000006F3BB000-memory.dmp

Filesize
5.7MB

Download
memory/2668-39-0x000000006EE10000-0x000000006F3BB000-memory.dmp

Filesize
5.7MB

Download
memory/2668-48-0x0000000002050000-0x0000000002090000-memory.dmp

Filesize
256KB

Download
memory/2668-53-0x000000006EE10000-0x000000006F3BB000-memory.dmp

Filesize
5.7MB

Download
memory/2812-46-0x0000000002780000-0x00000000027C0000-memory.dmp

Filesize
256KB

Download
memory/2812-45-0x000000006EE10000-0x000000006F3BB000-memory.dmp

Filesize
5.7MB

Download
memory/2812-52-0x000000006EE10000-0x000000006F3BB000-memory.dmp

Filesize
5.7MB

Download
memory/2812-44-0x000000006EE10000-0x000000006F3BB000-memory.dmp

Filesize
5.7MB

Download
memory/2880-38-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2880-29-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2880-21-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2880-27-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2880-36-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2880-50-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2880-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-31-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2880-30-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2880-55-0x0000000002050000-0x0000000002090000-memory.dmp

Filesize
256KB

Download
memory/2880-56-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2880-57-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2880-58-0x0000000002050000-0x0000000002090000-memory.dmp

Filesize
256KB

Download