webmonitor | 61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701

Analysis

max time kernel
152s
max time network
163s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
30-07-2022 22:20

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General

Target

61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe
Size

892KB
MD5

14d8aab063f78a8c70801f240b8b7b42
SHA1

03fe13043ff7baa44f2ee25b9d973feffd461905
SHA256

61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701
SHA512

433e2215ae50e5b8bf45493295ad38c3df21bf7b88680903b22f93c6a0d4494f7957bc802886ec9f1389f22ad8dec06608cde10946aafde88705ae8a5057d3ea

Score

10^/10

webmonitor backdoor infostealer persistence rat upx

Malware Config

Extracted

Family

webmonitor

blazenowen.wm01.to:443

Attributes

config_key
EGm5jUWfcr82Lzdv9JfTfE11MdAbW1NV
private_key
eO2U1b402
url_path
/recv4.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 1 IoCs

resource	yara_rule
behavioral1/memory/1060-59-0x0000000000400000-0x00000000004E3000-memory.dmp	family_webmonitor

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1060-57-0x0000000000400000-0x00000000004E3000-memory.dmp	upx
behavioral1/memory/1060-59-0x0000000000400000-0x00000000004E3000-memory.dmp	upx

Unexpected DNS network traffic destination 9 IoCs

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

description	ioc
Destination IP	1.2.4.8
Destination IP	1.2.4.8
Destination IP	185.243.215.214
Destination IP	1.2.4.8
Destination IP	185.243.215.214
Destination IP	185.243.215.214
Destination IP	114.114.114.114
Destination IP	114.114.114.114
Destination IP	114.114.114.114

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-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows\CurrentVersion\Run\RevCode-3033 = "C:\\Users\\Admin\\AppData\\Roaming\\RevCode-3033.exe"	61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 1060	1656	61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe	27

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1060	61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1656	61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1060	1656	61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe	27
PID 1656 wrote to memory of 1060	1656	61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe	27
PID 1656 wrote to memory of 1060	1656	61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe	27
PID 1656 wrote to memory of 1060	1656	61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe	27
PID 1656 wrote to memory of 1060	1656	61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe	27

C:\Users\Admin\AppData\Local\Temp\61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe
"C:\Users\Admin\AppData\Local\Temp\61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe
  "C:\Users\Admin\AppData\Local\Temp\61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: RenamesItself
  PID:1060

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1060-57-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/1060-59-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/1656-54-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download
memory/1656-55-0x0000000075CD1000-0x0000000075CD3000-memory.dmp

Filesize
8KB

Download