webmonitor | d4511fa399217b186b74d425d5a0857ae7fe394c9993d76f79beccf2ecea92e2

General

Target

BjHM6PDDCwG9GvC.exe
Size

1.3MB
MD5

58753a65f6bcaf7b06217d456bd3fa1a
SHA1

5031df39b31c8ceb0ad15e80156a2349c2fd5ade
SHA256

d4511fa399217b186b74d425d5a0857ae7fe394c9993d76f79beccf2ecea92e2
SHA512

47ba296df03054cf97a865d24de2ec87e20c9865963cdafa4eee86736e1af1003463d2b0623467d70756d286f9917d31a4a2deb9d0d8c28e7ed345f0b015fd35

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/2064-143-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/2064-144-0x000000000049D8CA-mapping.dmp	family_webmonitor
behavioral2/memory/2064-151-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/644-122-0x00000000051A0000-0x00000000051A5000-memory.dmp	CustAttr

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 644 set thread context of 2064	644	BjHM6PDDCwG9GvC.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
1136	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
644	BjHM6PDDCwG9GvC.exe
1864	powershell.exe
4092	powershell.exe
3872	powershell.exe
1864	powershell.exe
3872	powershell.exe
4092	powershell.exe
1864	powershell.exe
4092	powershell.exe
3872	powershell.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2064	BjHM6PDDCwG9GvC.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	644	BjHM6PDDCwG9GvC.exe
Token: SeDebugPrivilege	4092	powershell.exe
Token: SeDebugPrivilege	1864	powershell.exe
Token: SeDebugPrivilege	3872	powershell.exe
Token: SeShutdownPrivilege	2064	BjHM6PDDCwG9GvC.exe
Token: SeCreatePagefilePrivilege	2064	BjHM6PDDCwG9GvC.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 1864	644	BjHM6PDDCwG9GvC.exe	78
PID 644 wrote to memory of 1864	644	BjHM6PDDCwG9GvC.exe	78
PID 644 wrote to memory of 1864	644	BjHM6PDDCwG9GvC.exe	78
PID 644 wrote to memory of 4092	644	BjHM6PDDCwG9GvC.exe	80
PID 644 wrote to memory of 4092	644	BjHM6PDDCwG9GvC.exe	80
PID 644 wrote to memory of 4092	644	BjHM6PDDCwG9GvC.exe	80
PID 644 wrote to memory of 1136	644	BjHM6PDDCwG9GvC.exe	82
PID 644 wrote to memory of 1136	644	BjHM6PDDCwG9GvC.exe	82
PID 644 wrote to memory of 1136	644	BjHM6PDDCwG9GvC.exe	82
PID 644 wrote to memory of 3872	644	BjHM6PDDCwG9GvC.exe	84
PID 644 wrote to memory of 3872	644	BjHM6PDDCwG9GvC.exe	84
PID 644 wrote to memory of 3872	644	BjHM6PDDCwG9GvC.exe	84
PID 644 wrote to memory of 2064	644	BjHM6PDDCwG9GvC.exe	86
PID 644 wrote to memory of 2064	644	BjHM6PDDCwG9GvC.exe	86
PID 644 wrote to memory of 2064	644	BjHM6PDDCwG9GvC.exe	86
PID 644 wrote to memory of 2064	644	BjHM6PDDCwG9GvC.exe	86
PID 644 wrote to memory of 2064	644	BjHM6PDDCwG9GvC.exe	86
PID 644 wrote to memory of 2064	644	BjHM6PDDCwG9GvC.exe	86
PID 644 wrote to memory of 2064	644	BjHM6PDDCwG9GvC.exe	86
PID 644 wrote to memory of 2064	644	BjHM6PDDCwG9GvC.exe	86
PID 644 wrote to memory of 2064	644	BjHM6PDDCwG9GvC.exe	86
PID 2064 wrote to memory of 1268	2064	BjHM6PDDCwG9GvC.exe	88
PID 2064 wrote to memory of 1268	2064	BjHM6PDDCwG9GvC.exe	88
PID 2064 wrote to memory of 1268	2064	BjHM6PDDCwG9GvC.exe	88

C:\Users\Admin\AppData\Local\Temp\BjHM6PDDCwG9GvC.exe
"C:\Users\Admin\AppData\Local\Temp\BjHM6PDDCwG9GvC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:644
- 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\BjHM6PDDCwG9GvC.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1864
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FcngqEfa.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4092
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FcngqEfa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6117.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1136
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FcngqEfa.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3872
- C:\Users\Admin\AppData\Local\Temp\BjHM6PDDCwG9GvC.exe
  "C:\Users\Admin\AppData\Local\Temp\BjHM6PDDCwG9GvC.exe"
  2⤵
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\fMeWd68UncgSctQp.bat" "
    3⤵
    PID:1268

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/644-121-0x00000000057E0000-0x00000000057E1000-memory.dmp

Filesize
4KB

Download
memory/644-122-0x00000000051A0000-0x00000000051A5000-memory.dmp

Filesize
20KB

Download
memory/644-123-0x0000000004DE0000-0x00000000052DE000-memory.dmp

Filesize
5.0MB

Download
memory/644-124-0x00000000074C0000-0x00000000075CD000-memory.dmp

Filesize
1.1MB

Download
memory/644-125-0x0000000009C10000-0x0000000009D3F000-memory.dmp

Filesize
1.2MB

Download
memory/644-116-0x0000000004D40000-0x0000000004D41000-memory.dmp

Filesize
4KB

Download
memory/644-120-0x0000000004F40000-0x0000000004F41000-memory.dmp

Filesize
4KB

Download
memory/644-114-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/644-117-0x00000000052E0000-0x00000000052E1000-memory.dmp

Filesize
4KB

Download
memory/644-118-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

Filesize
4KB

Download
memory/644-119-0x0000000002910000-0x0000000002911000-memory.dmp

Filesize
4KB

Download
memory/1864-137-0x0000000004F62000-0x0000000004F63000-memory.dmp

Filesize
4KB

Download
memory/1864-136-0x0000000004F60000-0x0000000004F61000-memory.dmp

Filesize
4KB

Download
memory/1864-132-0x0000000007950000-0x0000000007951000-memory.dmp

Filesize
4KB

Download
memory/1864-129-0x0000000004F70000-0x0000000004F71000-memory.dmp

Filesize
4KB

Download
memory/1864-164-0x00000000082A0000-0x00000000082A1000-memory.dmp

Filesize
4KB

Download
memory/1864-197-0x0000000004F63000-0x0000000004F64000-memory.dmp

Filesize
4KB

Download
memory/1864-193-0x000000007F440000-0x000000007F441000-memory.dmp

Filesize
4KB

Download
memory/1864-167-0x0000000008750000-0x0000000008751000-memory.dmp

Filesize
4KB

Download
memory/2064-143-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2064-151-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3872-155-0x0000000007B10000-0x0000000007B11000-memory.dmp

Filesize
4KB

Download
memory/3872-152-0x0000000007A10000-0x0000000007A11000-memory.dmp

Filesize
4KB

Download
memory/3872-158-0x0000000007B80000-0x0000000007B81000-memory.dmp

Filesize
4KB

Download
memory/3872-150-0x0000000006B72000-0x0000000006B73000-memory.dmp

Filesize
4KB

Download
memory/3872-194-0x000000007E920000-0x000000007E921000-memory.dmp

Filesize
4KB

Download
memory/3872-196-0x0000000006B73000-0x0000000006B74000-memory.dmp

Filesize
4KB

Download
memory/3872-149-0x0000000006B70000-0x0000000006B71000-memory.dmp

Filesize
4KB

Download
memory/4092-195-0x0000000000F93000-0x0000000000F94000-memory.dmp

Filesize
4KB

Download
memory/4092-192-0x000000007F090000-0x000000007F091000-memory.dmp

Filesize
4KB

Download
memory/4092-170-0x0000000007CB0000-0x0000000007CB1000-memory.dmp

Filesize
4KB

Download
memory/4092-138-0x0000000000F90000-0x0000000000F91000-memory.dmp

Filesize
4KB

Download
memory/4092-139-0x0000000000F92000-0x0000000000F93000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads