webmonitor | 28fd0fcdf202f29eaaee33d23939cd5bdd75bd68ee4c7815d4ca4dd2e6a04be5

General

Target

a0cb248c9464e9ea4f72ebc7d7807e98.exe
Size

1.3MB
MD5

a0cb248c9464e9ea4f72ebc7d7807e98
SHA1

d049bc23f0604897e32ac0f76f52677a7c8ce991
SHA256

28fd0fcdf202f29eaaee33d23939cd5bdd75bd68ee4c7815d4ca4dd2e6a04be5
SHA512

4849ad39e130e6513ba56d5a23eae54c73f3f7436ff3a289ebc93ab5106bb9ba56f8b58d543b94576c07ff3c79991e9f3a7f85ad84d9ac4d0317dde2b83dce2c
SSDEEP

24576:3qi8cepZHTsP09VGLHRteRCVdjoWfHNcL9NTYV82qU9tUk+MPAnh7wr:3EdTsPHuCPoQtgNTe82vhnPRr

Score

10^/10

webmonitor backdoor infostealer rat

Malware Config

Extracted

Family

webmonitor

C2

niiarmah.wm01.to:443

Attributes

config_key
4EcDHH7aWbl50LayUnuRlJWUXiKQWk0O
private_key
yvkn5wM8E
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 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4920-3-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/4920-4-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/4920-5-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/4920-6-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/4920-7-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/4920-11-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

a0cb248c9464e9ea4f72ebc7d7807e98.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1414748551-1520717498-2956787782-1000\Control Panel\International\Geo\Nation	a0cb248c9464e9ea4f72ebc7d7807e98.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a0cb248c9464e9ea4f72ebc7d7807e98.exe

description pid process target process

PID 1716 set thread context of 4920 1716 a0cb248c9464e9ea4f72ebc7d7807e98.exe a0cb248c9464e9ea4f72ebc7d7807e98.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

a0cb248c9464e9ea4f72ebc7d7807e98.exe

pid process

1716 a0cb248c9464e9ea4f72ebc7d7807e98.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

a0cb248c9464e9ea4f72ebc7d7807e98.exe

pid process

4920 a0cb248c9464e9ea4f72ebc7d7807e98.exe

description	pid	process	target process
PID 1716 set thread context of 4920	1716	a0cb248c9464e9ea4f72ebc7d7807e98.exe	a0cb248c9464e9ea4f72ebc7d7807e98.exe

pid	process
1716	a0cb248c9464e9ea4f72ebc7d7807e98.exe

pid	process
4920	a0cb248c9464e9ea4f72ebc7d7807e98.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

a0cb248c9464e9ea4f72ebc7d7807e98.exe

description	pid	process
Token: SeShutdownPrivilege	4920	a0cb248c9464e9ea4f72ebc7d7807e98.exe
Token: SeCreatePagefilePrivilege	4920	a0cb248c9464e9ea4f72ebc7d7807e98.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

a0cb248c9464e9ea4f72ebc7d7807e98.exea0cb248c9464e9ea4f72ebc7d7807e98.exe

description	pid	process	target process
PID 1716 wrote to memory of 4920	1716	a0cb248c9464e9ea4f72ebc7d7807e98.exe	a0cb248c9464e9ea4f72ebc7d7807e98.exe
PID 1716 wrote to memory of 4920	1716	a0cb248c9464e9ea4f72ebc7d7807e98.exe	a0cb248c9464e9ea4f72ebc7d7807e98.exe
PID 1716 wrote to memory of 4920	1716	a0cb248c9464e9ea4f72ebc7d7807e98.exe	a0cb248c9464e9ea4f72ebc7d7807e98.exe
PID 1716 wrote to memory of 4920	1716	a0cb248c9464e9ea4f72ebc7d7807e98.exe	a0cb248c9464e9ea4f72ebc7d7807e98.exe
PID 4920 wrote to memory of 1256	4920	a0cb248c9464e9ea4f72ebc7d7807e98.exe	cmd.exe
PID 4920 wrote to memory of 1256	4920	a0cb248c9464e9ea4f72ebc7d7807e98.exe	cmd.exe
PID 4920 wrote to memory of 1256	4920	a0cb248c9464e9ea4f72ebc7d7807e98.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\a0cb248c9464e9ea4f72ebc7d7807e98.exe
"C:\Users\Admin\AppData\Local\Temp\a0cb248c9464e9ea4f72ebc7d7807e98.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1716

C:\Users\Admin\AppData\Local\Temp\a0cb248c9464e9ea4f72ebc7d7807e98.exe
"C:\Users\Admin\AppData\Local\Temp\a0cb248c9464e9ea4f72ebc7d7807e98.exe"
2⤵
- Checks computer location settings
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4920

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ssXtfrRVLwZJAH0m.bat" "
3⤵
PID:1256

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\ssXtfrRVLwZJAH0m.bat
Filesize
204B

MD5
581080fe64e5b511b916b108550435da

SHA1
9d7c035293ec5ab6e1448198294c2bb12b37c1fa

SHA256
153b79dbe85a7048fb8fd6682d18fe424d27f998b9684864ec59020f0f4a7c7b

SHA512
d01aebbea0e01a33335430e7fe2f07b841558707c88cd157c1ec2bde4617f663c2f94e79de1ab199af759ae49688ccad61fe176f9500e0924c63793ac1a1b656

Download Submit
memory/1716-1-0x0000000000EC0000-0x0000000000FC0000-memory.dmp

Filesize
1024KB

Download
memory/1716-2-0x0000000002F90000-0x0000000002F92000-memory.dmp

Filesize
8KB

Download
memory/4920-3-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/4920-4-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/4920-5-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/4920-6-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/4920-7-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/4920-11-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads