webmonitor | 9e6563c2c5e8a869bfdbf4ff1336bf2abcd238695d87f79a01b308216acc9cb5

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-en-20211014
submitted
06-12-2021 11:17

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General

Target

PREVIOUS CONVERSATION.pdf.exe
Size

2.2MB
MD5

28241aafe5b6018c984e310c33e9e48b
SHA1

d126c0cf51a98d9f3bd38efa6e61d4091104c624
SHA256

9e6563c2c5e8a869bfdbf4ff1336bf2abcd238695d87f79a01b308216acc9cb5
SHA512

730ae328d0cc82be717d24130073d8a3d0ec8e3b118e88dcb2b13071499c2efa03cf98905be68b2bc041a3245d792a113403272f67052963f3c4baeae15d0c98

Score

10^/10

webmonitor backdoor infostealer rat

Malware Config

Extracted

Family

webmonitor

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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1960-67-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1960-68-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1960-69-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1960-71-0x000000000049D8CA-mapping.dmp	family_webmonitor
behavioral1/memory/112-75-0x00000000023C0000-0x000000000300A000-memory.dmp	family_webmonitor
behavioral1/memory/1960-74-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

Suspicious use of SetThreadContext 1 IoCs

Processes:

PREVIOUS CONVERSATION.pdf.exe

description	pid	Process	procid_target
PID 840 set thread context of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33

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

Processes:

schtasks.exe

pid	Process
752	schtasks.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

Processes:

PREVIOUS CONVERSATION.pdf.exepowershell.exe

pid	Process
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
840	PREVIOUS CONVERSATION.pdf.exe
112	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PREVIOUS CONVERSATION.pdf.exepowershell.exeRegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	840	PREVIOUS CONVERSATION.pdf.exe
Token: SeDebugPrivilege	112	powershell.exe
Token: SeShutdownPrivilege	1960	RegSvcs.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

PREVIOUS CONVERSATION.pdf.exe

description	pid	Process	procid_target
PID 840 wrote to memory of 112	840	PREVIOUS CONVERSATION.pdf.exe	28
PID 840 wrote to memory of 112	840	PREVIOUS CONVERSATION.pdf.exe	28
PID 840 wrote to memory of 112	840	PREVIOUS CONVERSATION.pdf.exe	28
PID 840 wrote to memory of 112	840	PREVIOUS CONVERSATION.pdf.exe	28
PID 840 wrote to memory of 752	840	PREVIOUS CONVERSATION.pdf.exe	30
PID 840 wrote to memory of 752	840	PREVIOUS CONVERSATION.pdf.exe	30
PID 840 wrote to memory of 752	840	PREVIOUS CONVERSATION.pdf.exe	30
PID 840 wrote to memory of 752	840	PREVIOUS CONVERSATION.pdf.exe	30
PID 840 wrote to memory of 1360	840	PREVIOUS CONVERSATION.pdf.exe	32
PID 840 wrote to memory of 1360	840	PREVIOUS CONVERSATION.pdf.exe	32
PID 840 wrote to memory of 1360	840	PREVIOUS CONVERSATION.pdf.exe	32
PID 840 wrote to memory of 1360	840	PREVIOUS CONVERSATION.pdf.exe	32
PID 840 wrote to memory of 1360	840	PREVIOUS CONVERSATION.pdf.exe	32
PID 840 wrote to memory of 1360	840	PREVIOUS CONVERSATION.pdf.exe	32
PID 840 wrote to memory of 1360	840	PREVIOUS CONVERSATION.pdf.exe	32
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33
PID 840 wrote to memory of 1960	840	PREVIOUS CONVERSATION.pdf.exe	33

C:\Users\Admin\AppData\Local\Temp\PREVIOUS CONVERSATION.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PREVIOUS CONVERSATION.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:840
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FeqVzOoxhxw.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:112
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FeqVzOoxhxw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEDA9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:752
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1360
- 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:1960

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEDA9.tmp

MD5
bab7d36ccab22eab4406c0792da2dc63

SHA1
27745d4d1824a3be5bf8de06e74bce81f34be343

SHA256
6090b3610e7ec7c38c31ec35b67623384e94d0915f0db514b2748febf982feb9

SHA512
fd16de367cf45188f827b84c5c6a221f28d5870ec29e510e598c9ee56f28d7184303f119e655ccd70b74748beb6d89c878a9884ba336f2016f5685a6978f7aa3

Download Submit
memory/112-72-0x00000000023C0000-0x000000000300A000-memory.dmp

Filesize
12.3MB

Download
memory/112-61-0x0000000000000000-mapping.dmp

Download
memory/112-75-0x00000000023C0000-0x000000000300A000-memory.dmp

Filesize
12.3MB

Download
memory/112-76-0x00000000023C0000-0x000000000300A000-memory.dmp

Filesize
12.3MB

Download
memory/752-63-0x0000000000000000-mapping.dmp

Download
memory/840-57-0x0000000075191000-0x0000000075193000-memory.dmp

Filesize
8KB

Download
memory/840-58-0x0000000004F50000-0x0000000004F51000-memory.dmp

Filesize
4KB

Download
memory/840-59-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/840-60-0x0000000005730000-0x000000000594C000-memory.dmp

Filesize
2.1MB

Download
memory/840-55-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

Filesize
4KB

Download
memory/1960-65-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1960-69-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1960-68-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1960-71-0x000000000049D8CA-mapping.dmp

Download
memory/1960-66-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1960-67-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1960-74-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1960-77-0x00000000030C0000-0x00000000040C0000-memory.dmp

Filesize
16.0MB

Download