webmonitor | 0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253

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/1784-137-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/1784-138-0x000000000049D8CA-mapping.dmp	family_webmonitor
behavioral2/memory/1784-155-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/500-121-0x0000000006EA0000-0x0000000006EAB000-memory.dmp	CustAttr

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 500 set thread context of 1784	500	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
1484	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1900	powershell.exe
500	Process not Found
420	powershell.exe
3880	powershell.exe
420	powershell.exe
1900	powershell.exe
3880	powershell.exe
420	powershell.exe
1900	powershell.exe
3880	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	420	powershell.exe
Token: SeDebugPrivilege	1900	powershell.exe
Token: SeDebugPrivilege	500	Process not Found
Token: SeDebugPrivilege	3880	powershell.exe
Token: SeShutdownPrivilege	1784	RegSvcs.exe
Token: SeCreatePagefilePrivilege	1784	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 500 wrote to memory of 420	500	HSBC_PAYMENT_COPY.pdf.exe	79
PID 500 wrote to memory of 420	500	HSBC_PAYMENT_COPY.pdf.exe	79
PID 500 wrote to memory of 420	500	HSBC_PAYMENT_COPY.pdf.exe	79
PID 500 wrote to memory of 1900	500	HSBC_PAYMENT_COPY.pdf.exe	81
PID 500 wrote to memory of 1900	500	HSBC_PAYMENT_COPY.pdf.exe	81
PID 500 wrote to memory of 1900	500	HSBC_PAYMENT_COPY.pdf.exe	81
PID 500 wrote to memory of 1484	500	HSBC_PAYMENT_COPY.pdf.exe	83
PID 500 wrote to memory of 1484	500	HSBC_PAYMENT_COPY.pdf.exe	83
PID 500 wrote to memory of 1484	500	HSBC_PAYMENT_COPY.pdf.exe	83
PID 500 wrote to memory of 3880	500	HSBC_PAYMENT_COPY.pdf.exe	85
PID 500 wrote to memory of 3880	500	HSBC_PAYMENT_COPY.pdf.exe	85
PID 500 wrote to memory of 3880	500	HSBC_PAYMENT_COPY.pdf.exe	85
PID 500 wrote to memory of 1784	500	HSBC_PAYMENT_COPY.pdf.exe	86
PID 500 wrote to memory of 1784	500	HSBC_PAYMENT_COPY.pdf.exe	86
PID 500 wrote to memory of 1784	500	HSBC_PAYMENT_COPY.pdf.exe	86
PID 500 wrote to memory of 1784	500	HSBC_PAYMENT_COPY.pdf.exe	86
PID 500 wrote to memory of 1784	500	HSBC_PAYMENT_COPY.pdf.exe	86
PID 500 wrote to memory of 1784	500	HSBC_PAYMENT_COPY.pdf.exe	86
PID 500 wrote to memory of 1784	500	HSBC_PAYMENT_COPY.pdf.exe	86
PID 500 wrote to memory of 1784	500	HSBC_PAYMENT_COPY.pdf.exe	86
PID 500 wrote to memory of 1784	500	HSBC_PAYMENT_COPY.pdf.exe	86
PID 1784 wrote to memory of 972	1784	RegSvcs.exe	89
PID 1784 wrote to memory of 972	1784	RegSvcs.exe	89
PID 1784 wrote to memory of 972	1784	RegSvcs.exe	89

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:500
- 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:420
- 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:1900
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WTddvQz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp180D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1484
- 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:3880
- 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:1784
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IYOrcE0MxYGeHPSA.bat" "
    3⤵
    PID:972

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/420-144-0x0000000006752000-0x0000000006753000-memory.dmp

Filesize
4KB

Download
memory/420-252-0x0000000006753000-0x0000000006754000-memory.dmp

Filesize
4KB

Download
memory/420-142-0x0000000006750000-0x0000000006751000-memory.dmp

Filesize
4KB

Download
memory/420-163-0x0000000007F60000-0x0000000007F61000-memory.dmp

Filesize
4KB

Download
memory/420-168-0x0000000007D80000-0x0000000007D81000-memory.dmp

Filesize
4KB

Download
memory/420-190-0x0000000008AC0000-0x0000000008AF3000-memory.dmp

Filesize
204KB

Download
memory/420-130-0x0000000004200000-0x0000000004201000-memory.dmp

Filesize
4KB

Download
memory/420-132-0x0000000006D90000-0x0000000006D91000-memory.dmp

Filesize
4KB

Download
memory/420-202-0x000000007FDD0000-0x000000007FDD1000-memory.dmp

Filesize
4KB

Download
memory/420-210-0x0000000008AA0000-0x0000000008AA1000-memory.dmp

Filesize
4KB

Download
memory/420-161-0x00000000075A0000-0x00000000075A1000-memory.dmp

Filesize
4KB

Download
memory/420-224-0x0000000008E80000-0x0000000008E81000-memory.dmp

Filesize
4KB

Download
memory/500-114-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/500-116-0x00000000052E0000-0x00000000052E1000-memory.dmp

Filesize
4KB

Download
memory/500-117-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

Filesize
4KB

Download
memory/500-118-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/500-119-0x0000000004F40000-0x0000000004F41000-memory.dmp

Filesize
4KB

Download
memory/500-121-0x0000000006EA0000-0x0000000006EAB000-memory.dmp

Filesize
44KB

Download
memory/500-120-0x0000000004DE0000-0x00000000052DE000-memory.dmp

Filesize
5.0MB

Download
memory/500-123-0x0000000008B90000-0x0000000008C85000-memory.dmp

Filesize
980KB

Download
memory/500-122-0x00000000089D0000-0x0000000008AF5000-memory.dmp

Filesize
1.1MB

Download
memory/1784-137-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1784-155-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1900-147-0x0000000007AA0000-0x0000000007AA1000-memory.dmp

Filesize
4KB

Download
memory/1900-256-0x0000000006BB3000-0x0000000006BB4000-memory.dmp

Filesize
4KB

Download
memory/1900-206-0x000000007E4B0000-0x000000007E4B1000-memory.dmp

Filesize
4KB

Download
memory/1900-149-0x0000000006BB0000-0x0000000006BB1000-memory.dmp

Filesize
4KB

Download
memory/1900-143-0x0000000007820000-0x0000000007821000-memory.dmp

Filesize
4KB

Download
memory/1900-141-0x0000000007A00000-0x0000000007A01000-memory.dmp

Filesize
4KB

Download
memory/1900-151-0x0000000006BB2000-0x0000000006BB3000-memory.dmp

Filesize
4KB

Download
memory/1900-139-0x0000000007100000-0x0000000007101000-memory.dmp

Filesize
4KB

Download
memory/3880-260-0x0000000006A33000-0x0000000006A34000-memory.dmp

Filesize
4KB

Download
memory/3880-154-0x0000000006A30000-0x0000000006A31000-memory.dmp

Filesize
4KB

Download
memory/3880-167-0x0000000006A32000-0x0000000006A33000-memory.dmp

Filesize
4KB

Download
memory/3880-209-0x000000007E2E0000-0x000000007E2E1000-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