webmonitor | 15003064a4b6d326954815712d6468af76d413335470092fbd820b02745d3e02

General

Target

BANK DETAILS.pdf.exe
Size

1.2MB
MD5

d168a301aeea42495bfa790ed012223b
SHA1

aa6ace276b374e41a5ec7ad7bd6cf09722756027
SHA256

15003064a4b6d326954815712d6468af76d413335470092fbd820b02745d3e02
SHA512

4e573a7340ee262aead7b9e683e6cf30aa8e03ba2a47ff6ba3d6121698e834172593100da2c05c728f7c87f2e231da4b76979c042278c7f88cf094825ae67c5b

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/3308-127-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/3308-128-0x000000000049D8CA-mapping.dmp	family_webmonitor
behavioral2/memory/3308-129-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 516 set thread context of 3308	516	BANK DETAILS.pdf.exe	81

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
744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
516	BANK DETAILS.pdf.exe
516	BANK DETAILS.pdf.exe
516	BANK DETAILS.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	516	BANK DETAILS.pdf.exe
Token: SeShutdownPrivilege	3308	RegSvcs.exe
Token: SeCreatePagefilePrivilege	3308	RegSvcs.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 516 wrote to memory of 744	516	BANK DETAILS.pdf.exe	78
PID 516 wrote to memory of 744	516	BANK DETAILS.pdf.exe	78
PID 516 wrote to memory of 744	516	BANK DETAILS.pdf.exe	78
PID 516 wrote to memory of 3384	516	BANK DETAILS.pdf.exe	80
PID 516 wrote to memory of 3384	516	BANK DETAILS.pdf.exe	80
PID 516 wrote to memory of 3384	516	BANK DETAILS.pdf.exe	80
PID 516 wrote to memory of 3308	516	BANK DETAILS.pdf.exe	81
PID 516 wrote to memory of 3308	516	BANK DETAILS.pdf.exe	81
PID 516 wrote to memory of 3308	516	BANK DETAILS.pdf.exe	81
PID 516 wrote to memory of 3308	516	BANK DETAILS.pdf.exe	81
PID 516 wrote to memory of 3308	516	BANK DETAILS.pdf.exe	81
PID 516 wrote to memory of 3308	516	BANK DETAILS.pdf.exe	81
PID 516 wrote to memory of 3308	516	BANK DETAILS.pdf.exe	81
PID 516 wrote to memory of 3308	516	BANK DETAILS.pdf.exe	81
PID 516 wrote to memory of 3308	516	BANK DETAILS.pdf.exe	81
PID 3308 wrote to memory of 3900	3308	RegSvcs.exe	83
PID 3308 wrote to memory of 3900	3308	RegSvcs.exe	83
PID 3308 wrote to memory of 3900	3308	RegSvcs.exe	83

C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:516
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UPOSWzdt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp151F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:744
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:3384
- 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:3308
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\cK3KCSVwmnQSWVYj.bat" "
    3⤵
    PID:3900

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/516-123-0x0000000008100000-0x00000000081EF000-memory.dmp

Filesize
956KB

Download
memory/516-124-0x0000000009630000-0x000000000972D000-memory.dmp

Filesize
1012KB

Download
memory/516-119-0x0000000002670000-0x000000000270C000-memory.dmp

Filesize
624KB

Download
memory/516-120-0x00000000027B0000-0x00000000027B1000-memory.dmp

Filesize
4KB

Download
memory/516-121-0x0000000004D60000-0x0000000004D61000-memory.dmp

Filesize
4KB

Download
memory/516-122-0x000000000A330000-0x000000000C32F000-memory.dmp

Filesize
32.0MB

Download
memory/516-114-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/516-118-0x0000000004C00000-0x0000000004C01000-memory.dmp

Filesize
4KB

Download
memory/516-116-0x0000000002710000-0x0000000002711000-memory.dmp

Filesize
4KB

Download
memory/516-117-0x0000000005060000-0x0000000005061000-memory.dmp

Filesize
4KB

Download
memory/3308-127-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3308-129-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads