webmonitor | 0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253

Analysis

max time kernel
88s
max time network
117s
platform
windows10_x64
resource
win10v20210410
submitted
27-07-2021 15:13

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General

Target

HSBC_PAYMENT_COPY.pdf.exe
Size

1.4MB
MD5

08f2609e7f7daf0f78032f773a68b72c
SHA1

f00e4c61cce15ee5f43c032d8d595aba65fbdc86
SHA256

0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253
SHA512

8c1ba503d2956ad0c60b11547908b81e601a3bfb2c75ae73c03718bd883ff94451b0697f915049614470d59388d161c02893ad90b48466f77fc154a20215da74

Score

10^/10

webmonitor backdoor infostealer 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 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2544-137-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/2544-140-0x000000000049D8CA-mapping.dmp	family_webmonitor
behavioral2/memory/2544-156-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral2/memory/3256-121-0x00000000071B0000-0x00000000071BB000-memory.dmp	CustAttr

Suspicious use of SetThreadContext 1 IoCs

Processes:

HSBC_PAYMENT_COPY.pdf.exe

description	pid	Process	procid_target
PID 3256 set thread context of 2544	3256	HSBC_PAYMENT_COPY.pdf.exe	90

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

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

T1053

Processes:

schtasks.exe

pid	Process
1124	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

HSBC_PAYMENT_COPY.pdf.exepowershell.exepowershell.exepowershell.exe

pid	Process
3256	HSBC_PAYMENT_COPY.pdf.exe
3256	HSBC_PAYMENT_COPY.pdf.exe
3256	HSBC_PAYMENT_COPY.pdf.exe
3256	HSBC_PAYMENT_COPY.pdf.exe
3256	HSBC_PAYMENT_COPY.pdf.exe
3256	HSBC_PAYMENT_COPY.pdf.exe
2132	powershell.exe
3956	powershell.exe
3256	HSBC_PAYMENT_COPY.pdf.exe
3956	powershell.exe
3544	powershell.exe
2132	powershell.exe
3544	powershell.exe
3956	powershell.exe
2132	powershell.exe
3544	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

HSBC_PAYMENT_COPY.pdf.exepowershell.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	3256	HSBC_PAYMENT_COPY.pdf.exe
Token: SeDebugPrivilege	2132	powershell.exe
Token: SeDebugPrivilege	3956	powershell.exe
Token: SeDebugPrivilege	3544	powershell.exe
Token: SeShutdownPrivilege	2544	RegSvcs.exe
Token: SeCreatePagefilePrivilege	2544	RegSvcs.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

HSBC_PAYMENT_COPY.pdf.exeRegSvcs.exe

description	pid	Process	procid_target
PID 3256 wrote to memory of 2132	3256	HSBC_PAYMENT_COPY.pdf.exe	79
PID 3256 wrote to memory of 2132	3256	HSBC_PAYMENT_COPY.pdf.exe	79
PID 3256 wrote to memory of 2132	3256	HSBC_PAYMENT_COPY.pdf.exe	79
PID 3256 wrote to memory of 3956	3256	HSBC_PAYMENT_COPY.pdf.exe	81
PID 3256 wrote to memory of 3956	3256	HSBC_PAYMENT_COPY.pdf.exe	81
PID 3256 wrote to memory of 3956	3256	HSBC_PAYMENT_COPY.pdf.exe	81
PID 3256 wrote to memory of 1124	3256	HSBC_PAYMENT_COPY.pdf.exe	83
PID 3256 wrote to memory of 1124	3256	HSBC_PAYMENT_COPY.pdf.exe	83
PID 3256 wrote to memory of 1124	3256	HSBC_PAYMENT_COPY.pdf.exe	83
PID 3256 wrote to memory of 3544	3256	HSBC_PAYMENT_COPY.pdf.exe	85
PID 3256 wrote to memory of 3544	3256	HSBC_PAYMENT_COPY.pdf.exe	85
PID 3256 wrote to memory of 3544	3256	HSBC_PAYMENT_COPY.pdf.exe	85
PID 3256 wrote to memory of 2904	3256	HSBC_PAYMENT_COPY.pdf.exe	86
PID 3256 wrote to memory of 2904	3256	HSBC_PAYMENT_COPY.pdf.exe	86
PID 3256 wrote to memory of 2904	3256	HSBC_PAYMENT_COPY.pdf.exe	86
PID 3256 wrote to memory of 1848	3256	HSBC_PAYMENT_COPY.pdf.exe	88
PID 3256 wrote to memory of 1848	3256	HSBC_PAYMENT_COPY.pdf.exe	88
PID 3256 wrote to memory of 1848	3256	HSBC_PAYMENT_COPY.pdf.exe	88
PID 3256 wrote to memory of 2508	3256	HSBC_PAYMENT_COPY.pdf.exe	89
PID 3256 wrote to memory of 2508	3256	HSBC_PAYMENT_COPY.pdf.exe	89
PID 3256 wrote to memory of 2508	3256	HSBC_PAYMENT_COPY.pdf.exe	89
PID 3256 wrote to memory of 2544	3256	HSBC_PAYMENT_COPY.pdf.exe	90
PID 3256 wrote to memory of 2544	3256	HSBC_PAYMENT_COPY.pdf.exe	90
PID 3256 wrote to memory of 2544	3256	HSBC_PAYMENT_COPY.pdf.exe	90
PID 3256 wrote to memory of 2544	3256	HSBC_PAYMENT_COPY.pdf.exe	90
PID 3256 wrote to memory of 2544	3256	HSBC_PAYMENT_COPY.pdf.exe	90
PID 3256 wrote to memory of 2544	3256	HSBC_PAYMENT_COPY.pdf.exe	90
PID 3256 wrote to memory of 2544	3256	HSBC_PAYMENT_COPY.pdf.exe	90
PID 3256 wrote to memory of 2544	3256	HSBC_PAYMENT_COPY.pdf.exe	90
PID 3256 wrote to memory of 2544	3256	HSBC_PAYMENT_COPY.pdf.exe	90
PID 2544 wrote to memory of 2980	2544	RegSvcs.exe	92
PID 2544 wrote to memory of 2980	2544	RegSvcs.exe	92
PID 2544 wrote to memory of 2980	2544	RegSvcs.exe	92

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3256
- 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:2132
- 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:3956
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WTddvQz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD56.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1124
- 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:3544
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2904
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1848
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2508
- 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:2544
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\b9rssXR6bEOmXBoW.bat" "
    3⤵
    PID:2980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

MD5
1c19c16e21c97ed42d5beabc93391fc5

SHA1
8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

SHA256
1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

SHA512
7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

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

MD5
bcd8d4518f1c5e9adf0a7394cd6a96dd

SHA1
b1ff1f4d0571d9e685d9c2e66c7ed5eee52f123b

SHA256
411865d5f1ac32d3989775f5345e3f82d677fd60b408ba06835aaa950f853c69

SHA512
45d9e9d799783b36071b7bdad039366e86054c2eec526ce2c38eb2f199fdf93b7e4bca1c779de271b9e4f83fefb197c2ad4a719a63014d1e1033e43ebaf44f8f

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

MD5
ab8ff1bff6bf888074c8d480d5f6d509

SHA1
7b4082d2143e068f687b61ffa315156a9b99f132

SHA256
2a3d73953a9707e5fb45e29f89b86fb86ef2fd90a7e8fc5c1c94f9a9f4c57826

SHA512
3ad177a6409d5a7e46d8710122455445e2275b3db8791ac7dce602f1486f0f4dc0fac9c625fbd9cf8e2291f23e96b2cfb041135c94d6e5b26f31a9460aca6cb1

Download Submit
C:\Users\Admin\AppData\Local\Temp\b9rssXR6bEOmXBoW.bat

MD5
566deed6b247ce6fe4c3f72936440ea0

SHA1
e59ffd71c1d28593bb01177f77ddd9cd39a17fb5

SHA256
99f20366de63ee626b1f201d218fdbab40ec175ccb47a9b9d6ea8d071f6ad701

SHA512
36163da6ac8c1db21e13586af0faa344eb695cb39a712d724b431a520f4d6beb2370b41ac00cad9685d43f1cb7fa14bc67f8e37001fac4986c5c849f87573c6c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDD56.tmp

MD5
b09c39ec8d3fe0050b3f5742571b0a7a

SHA1
2b185059761351b3466fb8c1d2eba182b1b99beb

SHA256
f676c7c0ee5734bc5326878ece55ce7916e7b2d3c6c9faa6f2fbb7ced4cefeab

SHA512
1847f0a3396cfedc1b457d511f828a763ab6bc6808f5df864521311bad166dc53b2e6662160fbd853e56406a788e40721b4683516163ab8b8c44361555d84ef9

Download Submit
memory/1124-126-0x0000000000000000-mapping.dmp

Download
memory/2132-148-0x0000000007100000-0x0000000007101000-memory.dmp

Filesize
4KB

Download
memory/2132-195-0x000000007F160000-0x000000007F161000-memory.dmp

Filesize
4KB

Download
memory/2132-260-0x0000000007103000-0x0000000007104000-memory.dmp

Filesize
4KB

Download
memory/2132-124-0x0000000000000000-mapping.dmp

Download
memory/2132-154-0x0000000007102000-0x0000000007103000-memory.dmp

Filesize
4KB

Download
memory/2132-149-0x00000000080C0000-0x00000000080C1000-memory.dmp

Filesize
4KB

Download
memory/2132-131-0x0000000006F60000-0x0000000006F61000-memory.dmp

Filesize
4KB

Download
memory/2132-133-0x0000000007740000-0x0000000007741000-memory.dmp

Filesize
4KB

Download
memory/2544-156-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2544-140-0x000000000049D8CA-mapping.dmp

Download
memory/2544-137-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2980-495-0x0000000000000000-mapping.dmp

Download
memory/3256-117-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

Filesize
4KB

Download
memory/3256-123-0x0000000008BC0000-0x0000000008CB5000-memory.dmp

Filesize
980KB

Download
memory/3256-118-0x0000000004E90000-0x0000000004E91000-memory.dmp

Filesize
4KB

Download
memory/3256-121-0x00000000071B0000-0x00000000071BB000-memory.dmp

Filesize
44KB

Download
memory/3256-114-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/3256-119-0x0000000004D60000-0x0000000004D61000-memory.dmp

Filesize
4KB

Download
memory/3256-116-0x0000000005250000-0x0000000005251000-memory.dmp

Filesize
4KB

Download
memory/3256-120-0x0000000004D50000-0x000000000524E000-memory.dmp

Filesize
5.0MB

Download
memory/3256-122-0x00000000089A0000-0x0000000008AC5000-memory.dmp

Filesize
1.1MB

Download
memory/3544-152-0x0000000002902000-0x0000000002903000-memory.dmp

Filesize
4KB

Download
memory/3544-157-0x0000000002900000-0x0000000002901000-memory.dmp

Filesize
4KB

Download
memory/3544-263-0x0000000002903000-0x0000000002904000-memory.dmp

Filesize
4KB

Download
memory/3544-136-0x0000000000000000-mapping.dmp

Download
memory/3544-252-0x000000007F110000-0x000000007F111000-memory.dmp

Filesize
4KB

Download
memory/3956-163-0x0000000008070000-0x0000000008071000-memory.dmp

Filesize
4KB

Download
memory/3956-192-0x000000007EE00000-0x000000007EE01000-memory.dmp

Filesize
4KB

Download
memory/3956-187-0x0000000008BF0000-0x0000000008C23000-memory.dmp

Filesize
204KB

Download
memory/3956-203-0x0000000008BD0000-0x0000000008BD1000-memory.dmp

Filesize
4KB

Download
memory/3956-215-0x0000000008DB0000-0x0000000008DB1000-memory.dmp

Filesize
4KB

Download
memory/3956-166-0x0000000007E30000-0x0000000007E31000-memory.dmp

Filesize
4KB

Download
memory/3956-256-0x00000000066C3000-0x00000000066C4000-memory.dmp

Filesize
4KB

Download
memory/3956-161-0x0000000007A40000-0x0000000007A41000-memory.dmp

Filesize
4KB

Download
memory/3956-155-0x00000000066C2000-0x00000000066C3000-memory.dmp

Filesize
4KB

Download
memory/3956-125-0x0000000000000000-mapping.dmp

Download
memory/3956-153-0x00000000066C0000-0x00000000066C1000-memory.dmp

Filesize
4KB

Download
memory/3956-144-0x0000000007650000-0x0000000007651000-memory.dmp

Filesize
4KB

Download
memory/3956-141-0x0000000007470000-0x0000000007471000-memory.dmp

Filesize
4KB

Download
memory/3956-138-0x00000000073D0000-0x00000000073D1000-memory.dmp

Filesize
4KB

Download