webmonitor | 089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7

General

Target

089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe
Size

1.5MB
MD5

a95b331fccf2956d61809a5cd4c8ae80
SHA1

2c174632ebdb5a799763d0d798f73513065ec28c
SHA256

089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7
SHA512

be7a0217dae7eb90974aeffde0c3ca660f07fb9fc8ade2766455bbffee93c6fe5d081a78ea1a4cddbe29da359912f5f2f98a38fa27154cb39d3142bb196d9e22

Score

10^/10

webmonitor backdoor infostealer persistence rat upx

Malware Config

Extracted

Family

webmonitor

C2

preetha.wm01.to:443

Attributes

config_key
QuvlUX1F0t9VVObPIMdFN2IC4RdIDe8m
private_key
32i3qiVRG
url_path
/recv5.php

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 4 IoCs

resource	yara_rule
behavioral1/memory/1168-82-0x0000000000400000-0x00000000004F2000-memory.dmp	family_webmonitor
behavioral1/memory/1168-86-0x0000000000400000-0x00000000004F2000-memory.dmp	family_webmonitor
behavioral1/memory/1168-87-0x0000000003500000-0x0000000004500000-memory.dmp	family_webmonitor
behavioral1/memory/1168-88-0x0000000000400000-0x00000000004F2000-memory.dmp	family_webmonitor

Executes dropped EXE 1 IoCs

pid	Process
1168	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1168-72-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1168-75-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1168-74-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1168-78-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1168-80-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1168-82-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1168-86-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1168-87-0x0000000003500000-0x0000000004500000-memory.dmp	upx
behavioral1/memory/1168-88-0x0000000000400000-0x00000000004F2000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe

Unexpected DNS network traffic destination 4 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	185.243.215.214
Destination IP	1.2.4.8
Destination IP	185.243.215.214
Destination IP	185.243.215.214

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\WebMonitor-3033 = "C:\\Users\\Admin\\AppData\\Roaming\\WebMonitor-3033.exe"	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1324 set thread context of 1168	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	30

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

System Information Discovery
T1082

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe:Zone.Identifier	cmd.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1168	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe
Token: SeShutdownPrivilege	1168	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 1604	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	28
PID 1324 wrote to memory of 1604	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	28
PID 1324 wrote to memory of 1604	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	28
PID 1324 wrote to memory of 1604	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	28
PID 1324 wrote to memory of 1168	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	30
PID 1324 wrote to memory of 1168	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	30
PID 1324 wrote to memory of 1168	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	30
PID 1324 wrote to memory of 1168	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	30
PID 1324 wrote to memory of 1168	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	30
PID 1324 wrote to memory of 1168	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	30
PID 1324 wrote to memory of 1168	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	30
PID 1324 wrote to memory of 1168	1324	089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe	30

C:\Users\Admin\AppData\Local\Temp\089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe
"C:\Users\Admin\AppData\Local\Temp\089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe:Zone.Identifier"
  2⤵
  - NTFS ADS
  PID:1604
- C:\Users\Admin\AppData\Local\Temp\089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe
  C:\Users\Admin\AppData\Local\Temp\089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:1168

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe

Filesize
1.5MB

MD5
a95b331fccf2956d61809a5cd4c8ae80

SHA1
2c174632ebdb5a799763d0d798f73513065ec28c

SHA256
089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7

SHA512
be7a0217dae7eb90974aeffde0c3ca660f07fb9fc8ade2766455bbffee93c6fe5d081a78ea1a4cddbe29da359912f5f2f98a38fa27154cb39d3142bb196d9e22

Download Submit
\Users\Admin\AppData\Local\Temp\089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7.exe

Filesize
1.5MB

MD5
a95b331fccf2956d61809a5cd4c8ae80

SHA1
2c174632ebdb5a799763d0d798f73513065ec28c

SHA256
089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7

SHA512
be7a0217dae7eb90974aeffde0c3ca660f07fb9fc8ade2766455bbffee93c6fe5d081a78ea1a4cddbe29da359912f5f2f98a38fa27154cb39d3142bb196d9e22

Download Submit
memory/1168-80-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1168-87-0x0000000003500000-0x0000000004500000-memory.dmp

Filesize
16.0MB

Download
memory/1168-86-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1168-82-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1168-88-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1168-78-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1168-89-0x0000000003500000-0x0000000004500000-memory.dmp

Filesize
16.0MB

Download
memory/1168-74-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1168-75-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1168-72-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1168-71-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1324-70-0x000000006FB40000-0x000000006FD11000-memory.dmp

Filesize
1.8MB

Download
memory/1324-61-0x0000000074AD0000-0x0000000074BF3000-memory.dmp

Filesize
1.1MB

Download
memory/1324-54-0x00000000011A0000-0x000000000131C000-memory.dmp

Filesize
1.5MB

Download
memory/1324-67-0x0000000070040000-0x0000000070D96000-memory.dmp

Filesize
13.3MB

Download
memory/1324-66-0x0000000070F30000-0x0000000071C4D000-memory.dmp

Filesize
13.1MB

Download
memory/1324-65-0x0000000071C50000-0x0000000072430000-memory.dmp

Filesize
7.9MB

Download
memory/1324-64-0x0000000072E40000-0x00000000741CF000-memory.dmp

Filesize
19.6MB

Download
memory/1324-63-0x0000000075410000-0x000000007544B000-memory.dmp

Filesize
236KB

Download
memory/1324-62-0x0000000074930000-0x0000000074AC4000-memory.dmp

Filesize
1.6MB

Download
memory/1324-68-0x000000006FD20000-0x000000007003B000-memory.dmp

Filesize
3.1MB

Download
memory/1324-81-0x0000000072E40000-0x00000000741CF000-memory.dmp

Filesize
19.6MB

Download
memory/1324-60-0x0000000072430000-0x0000000072E40000-memory.dmp

Filesize
10.1MB

Download
memory/1324-83-0x0000000072430000-0x0000000072E40000-memory.dmp

Filesize
10.1MB

Download
memory/1324-59-0x0000000075450000-0x0000000075495000-memory.dmp

Filesize
276KB

Download
memory/1324-84-0x0000000074930000-0x0000000074AC4000-memory.dmp

Filesize
1.6MB

Download
memory/1324-85-0x0000000071C50000-0x0000000072430000-memory.dmp

Filesize
7.9MB

Download
memory/1324-55-0x0000000072E40000-0x00000000741CF000-memory.dmp

Filesize
19.6MB

Download
memory/1324-57-0x0000000076011000-0x0000000076013000-memory.dmp

Filesize
8KB

Download
memory/1324-56-0x00000000006A0000-0x00000000006C6000-memory.dmp

Filesize
152KB

Download

Analysis

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