webmonitor | 502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6

General

Target

502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
Size

1.6MB
MD5

32f9e259ffcd8c8aecafb3aba2e4be45
SHA1

7d2d41402dbfbf62b352df96c27a56cd6f8e11e1
SHA256

502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6
SHA512

aa6f8fdb3efae11e7e498ecfe4077a365c7b1fba8da765ceba69a83319a61911c0c7950555f6ac28ed6c65a6571aca6c70c6e728d0bb3cb5a5896ad9de6635bc

Score

10^/10

webmonitor backdoor evasion infostealer rat suricata upx

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
behavioral1/memory/1184-69-0x0000000000400000-0x00000000005F7000-memory.dmp	family_webmonitor
behavioral1/memory/1184-70-0x0000000000400000-0x00000000005F7000-memory.dmp	family_webmonitor
behavioral1/memory/1184-72-0x0000000002FC0000-0x0000000003FC0000-memory.dmp	family_webmonitor

suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
suricata
Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1184-62-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1184-64-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1184-66-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1184-67-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1184-68-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1184-69-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1184-70-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1184-72-0x0000000002FC0000-0x0000000003FC0000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe

description	pid	process	target process
PID 1572 set thread context of 1184	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe

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

1620 schtasks.exe

pid	process
1620	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe

pid	process
1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe

description	pid	process
Token: SeDebugPrivilege	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
Token: SeDebugPrivilege	1184	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
Token: SeShutdownPrivilege	1184	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe

C:\Users\Admin\AppData\Local\Temp\502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
"C:\Users\Admin\AppData\Local\Temp\502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1572

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gCSdYczDdDBi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A28.tmp"
2⤵
- Creates scheduled task(s)
PID:1620

C:\Users\Admin\AppData\Local\Temp\502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
"{path}"
2⤵
PID:1540

C:\Users\Admin\AppData\Local\Temp\502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
"{path}"
2⤵
PID:1008

C:\Users\Admin\AppData\Local\Temp\502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
"{path}"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1184

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6A28.tmp
MD5
e2ccf2e09d4c828908c3d9edf4f5a1d8

SHA1
9c9ec4646c881b4b7a3e994cd590f1f38d72fdbc

SHA256
fdf3658a18ed40145a5fceaf1d3a6a8eaec4dd72983d0596d2c8bfc80d7b33f7

SHA512
7a2a83b058dafe30f83be6c1ad5a8e51153a4451d8b0c9baa1e865b4e0980c37a9fa643990c3d18cc19ba6f850d6c07890d9200483affa3986c5687050ddf88a

Download Submit
memory/1184-69-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1184-68-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1184-72-0x0000000002FC0000-0x0000000003FC0000-memory.dmp

Filesize
16.0MB

Download
memory/1184-71-0x0000000075C41000-0x0000000075C43000-memory.dmp

Filesize
8KB

Download
memory/1184-70-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1184-60-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1184-64-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1184-66-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1184-62-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1184-67-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1572-56-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/1572-54-0x0000000000220000-0x00000000003C6000-memory.dmp

Filesize
1.6MB

Download
memory/1572-55-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download
memory/1572-58-0x0000000008190000-0x00000000082D0000-memory.dmp

Filesize
1.2MB

Download
memory/1572-57-0x0000000000610000-0x000000000061A000-memory.dmp

Filesize
40KB

Download

description	pid	process	target process
PID 1572 wrote to memory of 1620	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	schtasks.exe
PID 1572 wrote to memory of 1620	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	schtasks.exe
PID 1572 wrote to memory of 1620	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	schtasks.exe
PID 1572 wrote to memory of 1620	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	schtasks.exe
PID 1572 wrote to memory of 1540	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1540	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1540	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1540	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1008	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1008	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1008	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1008	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1184	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1184	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1184	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1184	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1184	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1184	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1184	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe
PID 1572 wrote to memory of 1184	1572	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe	502b22daccb38e891942b4eb37474dd0d62fdf4a74bd79946bf5c96d3ef67bf6.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads