webmonitor | 8bf574fdef05c875c39d97b0e8adcb166b9c34679e0d2e20c91f4aff176d75b6

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

resource	yara_rule
behavioral2/memory/2068-141-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/2068-144-0x000000000049D8CA-mapping.dmp	family_webmonitor
behavioral2/memory/2068-161-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/996-121-0x0000000009100000-0x000000000910B000-memory.dmp	CustAttr

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 996 set thread context of 2068	996	HSBC_PAYMENT_COPY.pdf.exe	86

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

pid	Process
508	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3716	powershell.exe
3180	powershell.exe
996	HSBC_PAYMENT_COPY.pdf.exe
1816	powershell.exe
3716	powershell.exe
1816	powershell.exe
3180	powershell.exe
3716	powershell.exe
3180	powershell.exe
1816	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3180	powershell.exe
Token: SeDebugPrivilege	3716	powershell.exe
Token: SeDebugPrivilege	996	HSBC_PAYMENT_COPY.pdf.exe
Token: SeDebugPrivilege	1816	powershell.exe
Token: SeShutdownPrivilege	2068	RegSvcs.exe
Token: SeCreatePagefilePrivilege	2068	RegSvcs.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 3180	996	HSBC_PAYMENT_COPY.pdf.exe	78
PID 996 wrote to memory of 3180	996	HSBC_PAYMENT_COPY.pdf.exe	78
PID 996 wrote to memory of 3180	996	HSBC_PAYMENT_COPY.pdf.exe	78
PID 996 wrote to memory of 3716	996	HSBC_PAYMENT_COPY.pdf.exe	80
PID 996 wrote to memory of 3716	996	HSBC_PAYMENT_COPY.pdf.exe	80
PID 996 wrote to memory of 3716	996	HSBC_PAYMENT_COPY.pdf.exe	80
PID 996 wrote to memory of 508	996	HSBC_PAYMENT_COPY.pdf.exe	82
PID 996 wrote to memory of 508	996	HSBC_PAYMENT_COPY.pdf.exe	82
PID 996 wrote to memory of 508	996	HSBC_PAYMENT_COPY.pdf.exe	82
PID 996 wrote to memory of 1816	996	HSBC_PAYMENT_COPY.pdf.exe	84
PID 996 wrote to memory of 1816	996	HSBC_PAYMENT_COPY.pdf.exe	84
PID 996 wrote to memory of 1816	996	HSBC_PAYMENT_COPY.pdf.exe	84
PID 996 wrote to memory of 2068	996	HSBC_PAYMENT_COPY.pdf.exe	86
PID 996 wrote to memory of 2068	996	HSBC_PAYMENT_COPY.pdf.exe	86
PID 996 wrote to memory of 2068	996	HSBC_PAYMENT_COPY.pdf.exe	86
PID 996 wrote to memory of 2068	996	HSBC_PAYMENT_COPY.pdf.exe	86
PID 996 wrote to memory of 2068	996	HSBC_PAYMENT_COPY.pdf.exe	86
PID 996 wrote to memory of 2068	996	HSBC_PAYMENT_COPY.pdf.exe	86
PID 996 wrote to memory of 2068	996	HSBC_PAYMENT_COPY.pdf.exe	86
PID 996 wrote to memory of 2068	996	HSBC_PAYMENT_COPY.pdf.exe	86
PID 996 wrote to memory of 2068	996	HSBC_PAYMENT_COPY.pdf.exe	86

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:996
- 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:3180
- 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:3716
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WTddvQz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4537.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:508
- 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:1816
- 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:2068
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\fH6rtB7IeKRx4pnR.bat" "
    3⤵
    PID:2260

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/996-116-0x0000000005B80000-0x0000000005B81000-memory.dmp

Filesize
4KB

Download
memory/996-117-0x0000000005720000-0x0000000005721000-memory.dmp

Filesize
4KB

Download
memory/996-118-0x00000000057C0000-0x00000000057C1000-memory.dmp

Filesize
4KB

Download
memory/996-119-0x00000000056E0000-0x00000000056E1000-memory.dmp

Filesize
4KB

Download
memory/996-120-0x0000000005680000-0x0000000005B7E000-memory.dmp

Filesize
5.0MB

Download
memory/996-121-0x0000000009100000-0x000000000910B000-memory.dmp

Filesize
44KB

Download
memory/996-122-0x0000000009250000-0x0000000009375000-memory.dmp

Filesize
1.1MB

Download
memory/996-123-0x0000000009540000-0x0000000009635000-memory.dmp

Filesize
980KB

Download
memory/996-114-0x0000000000C00000-0x0000000000C01000-memory.dmp

Filesize
4KB

Download
memory/1816-236-0x00000000035F3000-0x00000000035F4000-memory.dmp

Filesize
4KB

Download
memory/1816-168-0x0000000008810000-0x0000000008811000-memory.dmp

Filesize
4KB

Download
memory/1816-204-0x000000007ED90000-0x000000007ED91000-memory.dmp

Filesize
4KB

Download
memory/1816-165-0x0000000008A60000-0x0000000008A61000-memory.dmp

Filesize
4KB

Download
memory/1816-162-0x0000000007A30000-0x0000000007A31000-memory.dmp

Filesize
4KB

Download
memory/1816-156-0x00000000035F0000-0x00000000035F1000-memory.dmp

Filesize
4KB

Download
memory/1816-160-0x00000000035F2000-0x00000000035F3000-memory.dmp

Filesize
4KB

Download
memory/2068-141-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2068-161-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3180-216-0x0000000007350000-0x0000000007351000-memory.dmp

Filesize
4KB

Download
memory/3180-200-0x000000007E2E0000-0x000000007E2E1000-memory.dmp

Filesize
4KB

Download
memory/3180-147-0x0000000007E50000-0x0000000007E51000-memory.dmp

Filesize
4KB

Download
memory/3180-234-0x0000000004D03000-0x0000000004D04000-memory.dmp

Filesize
4KB

Download
memory/3180-136-0x0000000004D00000-0x0000000004D01000-memory.dmp

Filesize
4KB

Download
memory/3180-137-0x0000000004D02000-0x0000000004D03000-memory.dmp

Filesize
4KB

Download
memory/3180-130-0x0000000007700000-0x0000000007701000-memory.dmp

Filesize
4KB

Download
memory/3180-192-0x0000000009590000-0x00000000095C3000-memory.dmp

Filesize
204KB

Download
memory/3180-157-0x0000000008080000-0x0000000008081000-memory.dmp

Filesize
4KB

Download
memory/3180-128-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/3716-207-0x000000007F3F0000-0x000000007F3F1000-memory.dmp

Filesize
4KB

Download
memory/3716-150-0x0000000008200000-0x0000000008201000-memory.dmp

Filesize
4KB

Download
memory/3716-235-0x0000000004EF3000-0x0000000004EF4000-memory.dmp

Filesize
4KB

Download
memory/3716-153-0x00000000079C0000-0x00000000079C1000-memory.dmp

Filesize
4KB

Download
memory/3716-138-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

Filesize
4KB

Download
memory/3716-139-0x0000000004EF2000-0x0000000004EF3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads