webmonitor | 142cf7f01ff7c99da5e16196325e3fa3a6d867ff0e50696d727c92696ba97ccf

General

Target

bcb77b64ef4a369f8b381aff4c6f1c57.exe
Size

982KB
MD5

bcb77b64ef4a369f8b381aff4c6f1c57
SHA1

4624958cd8a724ad01868331d9a78a64fb0cdcb0
SHA256

142cf7f01ff7c99da5e16196325e3fa3a6d867ff0e50696d727c92696ba97ccf
SHA512

9249aea1d4a0d467c544271297ee7b88851c586c9afab522f845a071d7551bbefdfc49b516d13bb5d31277ab194026ecd5852e0d751b0527e7543a2d9607405a
SSDEEP

24576:kkirwmPnCRldoDbhC8xyhFOKOl0TWfNBBx6xs30LM:kxrwmPnCS/TxAFOX+TYwxk0LM

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 13 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1256-3-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1256-5-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1256-6-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1256-7-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1256-9-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1256-11-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1256-12-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1256-13-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1256-16-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1256-19-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1256-20-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1256-21-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1256-23-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

Unexpected DNS network traffic destination 11 IoCs

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

Processes:

description	ioc
Destination IP	114.114.114.114
Destination IP	185.141.152.26
Destination IP	1.2.4.8
Destination IP	1.2.4.8
Destination IP	114.114.114.114
Destination IP	185.141.152.26
Destination IP	1.2.4.8
Destination IP	185.141.152.26
Destination IP	1.2.4.8
Destination IP	185.141.152.26
Destination IP	185.141.152.26

Suspicious use of SetThreadContext 1 IoCs

Processes:

bcb77b64ef4a369f8b381aff4c6f1c57.exe

description pid process target process

PID 2220 set thread context of 1256 2220 bcb77b64ef4a369f8b381aff4c6f1c57.exe bcb77b64ef4a369f8b381aff4c6f1c57.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

bcb77b64ef4a369f8b381aff4c6f1c57.exe

pid process

2220 bcb77b64ef4a369f8b381aff4c6f1c57.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bcb77b64ef4a369f8b381aff4c6f1c57.exe

description pid process

Token: SeShutdownPrivilege 1256 bcb77b64ef4a369f8b381aff4c6f1c57.exe

description	pid	process	target process
PID 2220 set thread context of 1256	2220	bcb77b64ef4a369f8b381aff4c6f1c57.exe	bcb77b64ef4a369f8b381aff4c6f1c57.exe

pid	process
2220	bcb77b64ef4a369f8b381aff4c6f1c57.exe

description	pid	process
Token: SeShutdownPrivilege	1256	bcb77b64ef4a369f8b381aff4c6f1c57.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

bcb77b64ef4a369f8b381aff4c6f1c57.exe

description	pid	process	target process
PID 2220 wrote to memory of 1256	2220	bcb77b64ef4a369f8b381aff4c6f1c57.exe	bcb77b64ef4a369f8b381aff4c6f1c57.exe
PID 2220 wrote to memory of 1256	2220	bcb77b64ef4a369f8b381aff4c6f1c57.exe	bcb77b64ef4a369f8b381aff4c6f1c57.exe
PID 2220 wrote to memory of 1256	2220	bcb77b64ef4a369f8b381aff4c6f1c57.exe	bcb77b64ef4a369f8b381aff4c6f1c57.exe
PID 2220 wrote to memory of 1256	2220	bcb77b64ef4a369f8b381aff4c6f1c57.exe	bcb77b64ef4a369f8b381aff4c6f1c57.exe
PID 2220 wrote to memory of 1256	2220	bcb77b64ef4a369f8b381aff4c6f1c57.exe	bcb77b64ef4a369f8b381aff4c6f1c57.exe

C:\Users\Admin\AppData\Local\Temp\bcb77b64ef4a369f8b381aff4c6f1c57.exe
"C:\Users\Admin\AppData\Local\Temp\bcb77b64ef4a369f8b381aff4c6f1c57.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\bcb77b64ef4a369f8b381aff4c6f1c57.exe
  "C:\Users\Admin\AppData\Local\Temp\bcb77b64ef4a369f8b381aff4c6f1c57.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1256

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1256-9-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1256-12-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1256-3-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1256-5-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1256-6-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1256-7-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1256-23-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1256-11-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1256-21-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1256-13-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1256-16-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1256-19-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1256-20-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2220-1-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2220-2-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads