webmonitor | 167f23bd6318e7e1bbe296639468d866b2b457410daab0e6b941dac6bcc4563f

General

Target

250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe
Size

1.8MB
MD5

a3a62c034f2eb97d3673d2a608073f7e
SHA1

250644fc77d95c6dcaef531b0f351f5ce33bbfbd
SHA256

167f23bd6318e7e1bbe296639468d866b2b457410daab0e6b941dac6bcc4563f
SHA512

16c0b478ea9f1fcdeb9c13af022ac0f18879798eb7715aabd93446630dd0b9e3e9c3c1e31114657623c9c932502b99f41c1f3c52ede0306311f729810366ed71

Score

10^/10

webmonitor backdoor infostealer rat

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
behavioral2/memory/2668-138-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/2668-139-0x000000000049D8CA-mapping.dmp	family_webmonitor
behavioral2/memory/2668-150-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/580-122-0x0000000004EC0000-0x0000000004ECB000-memory.dmp	CustAttr

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 580 set thread context of 2668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	86

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
3768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe
3668	powershell.exe
2540	powershell.exe
2912	powershell.exe
2912	powershell.exe
2540	powershell.exe
3668	powershell.exe
2540	powershell.exe
3668	powershell.exe
2912	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe
Token: SeDebugPrivilege	2912	powershell.exe
Token: SeDebugPrivilege	3668	powershell.exe
Token: SeDebugPrivilege	2540	powershell.exe
Token: SeShutdownPrivilege	2668	RegSvcs.exe
Token: SeCreatePagefilePrivilege	2668	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 580 wrote to memory of 3668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	78
PID 580 wrote to memory of 3668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	78
PID 580 wrote to memory of 3668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	78
PID 580 wrote to memory of 2912	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	80
PID 580 wrote to memory of 2912	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	80
PID 580 wrote to memory of 2912	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	80
PID 580 wrote to memory of 3768	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	82
PID 580 wrote to memory of 3768	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	82
PID 580 wrote to memory of 3768	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	82
PID 580 wrote to memory of 2540	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	84
PID 580 wrote to memory of 2540	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	84
PID 580 wrote to memory of 2540	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	84
PID 580 wrote to memory of 2668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	86
PID 580 wrote to memory of 2668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	86
PID 580 wrote to memory of 2668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	86
PID 580 wrote to memory of 2668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	86
PID 580 wrote to memory of 2668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	86
PID 580 wrote to memory of 2668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	86
PID 580 wrote to memory of 2668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	86
PID 580 wrote to memory of 2668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	86
PID 580 wrote to memory of 2668	580	250644fc77d95c6dcaef531b0f351f5ce33bbfbd.exe	86
PID 2668 wrote to memory of 3184	2668	RegSvcs.exe	88
PID 2668 wrote to memory of 3184	2668	RegSvcs.exe	88
PID 2668 wrote to memory of 3184	2668	RegSvcs.exe	88

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:580
- 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:3668
- 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:2912
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CJFickSnic" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E04.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3768
- 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:2540
- 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
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WHiwlMen9Z8MEE6t.bat" "
    3⤵
    PID:3184

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/580-119-0x0000000004B00000-0x0000000004B01000-memory.dmp

Filesize
4KB

Download
memory/580-123-0x00000000073B0000-0x00000000074E5000-memory.dmp

Filesize
1.2MB

Download
memory/580-124-0x00000000074F0000-0x00000000075E0000-memory.dmp

Filesize
960KB

Download
memory/580-122-0x0000000004EC0000-0x0000000004ECB000-memory.dmp

Filesize
44KB

Download
memory/580-121-0x0000000004AE0000-0x0000000004B7C000-memory.dmp

Filesize
624KB

Download
memory/580-120-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

Filesize
4KB

Download
memory/580-114-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/580-118-0x0000000004C20000-0x0000000004C21000-memory.dmp

Filesize
4KB

Download
memory/580-117-0x00000000051D0000-0x00000000051D1000-memory.dmp

Filesize
4KB

Download
memory/580-116-0x0000000004B80000-0x0000000004B81000-memory.dmp

Filesize
4KB

Download
memory/2540-225-0x000000007E9B0000-0x000000007E9B1000-memory.dmp

Filesize
4KB

Download
memory/2540-160-0x0000000008010000-0x0000000008011000-memory.dmp

Filesize
4KB

Download
memory/2540-246-0x0000000007113000-0x0000000007114000-memory.dmp

Filesize
4KB

Download
memory/2540-169-0x0000000008730000-0x0000000008731000-memory.dmp

Filesize
4KB

Download
memory/2540-166-0x0000000008420000-0x0000000008421000-memory.dmp

Filesize
4KB

Download
memory/2540-148-0x0000000007110000-0x0000000007111000-memory.dmp

Filesize
4KB

Download
memory/2540-149-0x0000000007112000-0x0000000007113000-memory.dmp

Filesize
4KB

Download
memory/2540-163-0x0000000007F60000-0x0000000007F61000-memory.dmp

Filesize
4KB

Download
memory/2540-151-0x0000000007630000-0x0000000007631000-memory.dmp

Filesize
4KB

Download
memory/2668-150-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2668-138-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2912-154-0x0000000006C90000-0x0000000006C91000-memory.dmp

Filesize
4KB

Download
memory/2912-147-0x0000000006752000-0x0000000006753000-memory.dmp

Filesize
4KB

Download
memory/2912-146-0x0000000006750000-0x0000000006751000-memory.dmp

Filesize
4KB

Download
memory/2912-193-0x0000000008A80000-0x0000000008AB3000-memory.dmp

Filesize
204KB

Download
memory/2912-212-0x0000000008A40000-0x0000000008A41000-memory.dmp

Filesize
4KB

Download
memory/2912-228-0x000000007FD60000-0x000000007FD61000-memory.dmp

Filesize
4KB

Download
memory/2912-157-0x0000000006D00000-0x0000000006D01000-memory.dmp

Filesize
4KB

Download
memory/2912-245-0x0000000006753000-0x0000000006754000-memory.dmp

Filesize
4KB

Download
memory/3668-243-0x00000000044C3000-0x00000000044C4000-memory.dmp

Filesize
4KB

Download
memory/3668-145-0x00000000044C2000-0x00000000044C3000-memory.dmp

Filesize
4KB

Download
memory/3668-144-0x00000000044C0000-0x00000000044C1000-memory.dmp

Filesize
4KB

Download
memory/3668-131-0x0000000006EB0000-0x0000000006EB1000-memory.dmp

Filesize
4KB

Download
memory/3668-129-0x0000000004390000-0x0000000004391000-memory.dmp

Filesize
4KB

Download
memory/3668-231-0x000000007E340000-0x000000007E341000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads