webmonitor | 167f23bd6318e7e1bbe296639468d866b2b457410daab0e6b941dac6bcc4563f

Analysis

max time kernel
140s
max time network
142s
platform
windows7_x64
resource
win7v20210410
submitted
29-07-2021 10:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe
Size

1.8MB
MD5

a3a62c034f2eb97d3673d2a608073f7e
SHA1

250644fc77d95c6dcaef531b0f351f5ce33bbfbd
SHA256

167f23bd6318e7e1bbe296639468d866b2b457410daab0e6b941dac6bcc4563f
SHA512

16c0b478ea9f1fcdeb9c13af022ac0f18879798eb7715aabd93446630dd0b9e3e9c3c1e31114657623c9c932502b99f41c1f3c52ede0306311f729810366ed71

Score

10^/10

webmonitor backdoor infostealer rat suricata

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 3 IoCs

resource	yara_rule
behavioral1/memory/1224-79-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1224-81-0x000000000049D8CA-mapping.dmp	family_webmonitor
behavioral1/memory/1224-94-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
suricata

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral1/memory/308-63-0x00000000004B0000-0x00000000004BB000-memory.dmp	CustAttr

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 308 set thread context of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
872	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
624	powershell.exe
1768	powershell.exe
308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe
308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe
308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe
1664	powershell.exe
1664	powershell.exe
624	powershell.exe
1768	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	624	powershell.exe
Token: SeDebugPrivilege	1768	powershell.exe
Token: SeDebugPrivilege	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe
Token: SeDebugPrivilege	1664	powershell.exe
Token: SeShutdownPrivilege	1224	RegSvcs.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 308 wrote to memory of 624	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	29
PID 308 wrote to memory of 624	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	29
PID 308 wrote to memory of 624	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	29
PID 308 wrote to memory of 624	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	29
PID 308 wrote to memory of 1768	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	31
PID 308 wrote to memory of 1768	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	31
PID 308 wrote to memory of 1768	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	31
PID 308 wrote to memory of 1768	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	31
PID 308 wrote to memory of 872	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	32
PID 308 wrote to memory of 872	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	32
PID 308 wrote to memory of 872	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	32
PID 308 wrote to memory of 872	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	32
PID 308 wrote to memory of 1664	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	35
PID 308 wrote to memory of 1664	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	35
PID 308 wrote to memory of 1664	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	35
PID 308 wrote to memory of 1664	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	35
PID 308 wrote to memory of 816	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	37
PID 308 wrote to memory of 816	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	37
PID 308 wrote to memory of 816	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	37
PID 308 wrote to memory of 816	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	37
PID 308 wrote to memory of 816	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	37
PID 308 wrote to memory of 816	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	37
PID 308 wrote to memory of 816	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	37
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38
PID 308 wrote to memory of 1224	308	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	38

C:\Users\Admin\AppData\Local\Temp\250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe
"C:\Users\Admin\AppData\Local\Temp\250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:308
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:624
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CJFickSnic.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1768
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CJFickSnic" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDFC4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:872
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CJFickSnic.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1664
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:816
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1224

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/308-60-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/308-64-0x0000000005AA0000-0x0000000005BD5000-memory.dmp

Filesize
1.2MB

Download
memory/308-63-0x00000000004B0000-0x00000000004BB000-memory.dmp

Filesize
44KB

Download
memory/308-62-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/308-65-0x0000000005BE0000-0x0000000005CD0000-memory.dmp

Filesize
960KB

Download
memory/624-75-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

Filesize
4KB

Download
memory/624-95-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/624-100-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/624-105-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/624-106-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/624-107-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/624-114-0x0000000006170000-0x0000000006171000-memory.dmp

Filesize
4KB

Download
memory/624-137-0x0000000006310000-0x0000000006311000-memory.dmp

Filesize
4KB

Download
memory/624-67-0x0000000075A31000-0x0000000075A33000-memory.dmp

Filesize
8KB

Download
memory/624-136-0x0000000006300000-0x0000000006301000-memory.dmp

Filesize
4KB

Download
memory/624-72-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/624-90-0x0000000004A72000-0x0000000004A73000-memory.dmp

Filesize
4KB

Download
memory/624-121-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/624-85-0x0000000004A70000-0x0000000004A71000-memory.dmp

Filesize
4KB

Download
memory/1224-94-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1224-79-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1224-147-0x0000000002CA0000-0x0000000003CA0000-memory.dmp

Filesize
16.0MB

Download
memory/1664-92-0x0000000004910000-0x0000000004911000-memory.dmp

Filesize
4KB

Download
memory/1664-93-0x0000000004912000-0x0000000004913000-memory.dmp

Filesize
4KB

Download
memory/1768-88-0x0000000002560000-0x0000000002561000-memory.dmp

Filesize
4KB

Download
memory/1768-87-0x00000000047F2000-0x00000000047F3000-memory.dmp

Filesize
4KB

Download
memory/1768-86-0x00000000047F0000-0x00000000047F1000-memory.dmp

Filesize
4KB

Download