webmonitor | 4ebe8287e9d6b444324ae2c438f7697a29d85f23d72f4c3a1f90fb53ec3d0370

Analysis

max time kernel
18s
max time network
123s
platform
windows10_x64
resource
win10v20210408
submitted
05-08-2021 04:35

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General

Target

REQUEST FOR QUOTATION.exe
Size

1.4MB
MD5

065f86911f83ae3ce15517458719cd38
SHA1

63f1c19bef78a88efa1139f8f6174caab6842174
SHA256

7252276a3d4ce0aaadb10b11422e4c4f625845c9c3359ffbaa63346b9fc65b4a
SHA512

b339223de8842297f29f838ceee752ca42693e6baf0994162fc059686e10c065eb16dae8e9687157d8a1e3600b0df40eb56412de532b2a220e6cf8184d87ef20

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 1 IoCs

resource	yara_rule
behavioral2/memory/1560-116-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3492 set thread context of 1560	3492	REQUEST FOR QUOTATION.exe	74

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3492	REQUEST FOR QUOTATION.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1560	REQUEST FOR QUOTATION.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1560	REQUEST FOR QUOTATION.exe
Token: SeCreatePagefilePrivilege	1560	REQUEST FOR QUOTATION.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 1560	3492	REQUEST FOR QUOTATION.exe	74
PID 3492 wrote to memory of 1560	3492	REQUEST FOR QUOTATION.exe	74
PID 3492 wrote to memory of 1560	3492	REQUEST FOR QUOTATION.exe	74
PID 3492 wrote to memory of 1560	3492	REQUEST FOR QUOTATION.exe	74
PID 1560 wrote to memory of 3120	1560	REQUEST FOR QUOTATION.exe	79
PID 1560 wrote to memory of 3120	1560	REQUEST FOR QUOTATION.exe	79
PID 1560 wrote to memory of 3120	1560	REQUEST FOR QUOTATION.exe	79

C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe
"C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe
  "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe"
  2⤵
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1560
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7deHfesX09oBgdgb.bat" "
    3⤵
    PID:3120

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1560-116-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

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memory/3492-115-0x00000000001E0000-0x00000000001E2000-memory.dmp

Filesize
8KB

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