webmonitor | 0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 00:44

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General

Target

08f2609e7f7daf0f78032f773a68b72c.exe
Size

1.4MB
MD5

08f2609e7f7daf0f78032f773a68b72c
SHA1

f00e4c61cce15ee5f43c032d8d595aba65fbdc86
SHA256

0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253
SHA512

8c1ba503d2956ad0c60b11547908b81e601a3bfb2c75ae73c03718bd883ff94451b0697f915049614470d59388d161c02893ad90b48466f77fc154a20215da74
SSDEEP

24576:abOd/OsBgo0q4wMf/5vUQgxZGCc+b8QHsDpXgbkyh1Sl+inzQSjzVrV9ZtXCU8jt:abOsoHMXpUnxZGClb8QGryPSEY79/CUw

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 5 IoCs

resource	yara_rule
behavioral2/memory/3680-25-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/3680-26-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/3680-28-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/3680-31-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/3680-74-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/3500-9-0x0000000001830000-0x0000000001842000-memory.dmp	CustAttr

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	08f2609e7f7daf0f78032f773a68b72c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3500 set thread context of 3680	3500	08f2609e7f7daf0f78032f773a68b72c.exe	112

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

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/Job

T1053

pid	Process
3616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4784	powershell.exe
4784	powershell.exe
3564	powershell.exe
3564	powershell.exe
3500	08f2609e7f7daf0f78032f773a68b72c.exe
3500	08f2609e7f7daf0f78032f773a68b72c.exe
2028	powershell.exe
2028	powershell.exe
4784	powershell.exe
2028	powershell.exe
3564	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3564	powershell.exe
Token: SeDebugPrivilege	4784	powershell.exe
Token: SeDebugPrivilege	3500	08f2609e7f7daf0f78032f773a68b72c.exe
Token: SeDebugPrivilege	2028	powershell.exe
Token: SeShutdownPrivilege	3680	RegSvcs.exe
Token: SeCreatePagefilePrivilege	3680	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 4784	3500	08f2609e7f7daf0f78032f773a68b72c.exe	104
PID 3500 wrote to memory of 4784	3500	08f2609e7f7daf0f78032f773a68b72c.exe	104
PID 3500 wrote to memory of 4784	3500	08f2609e7f7daf0f78032f773a68b72c.exe	104
PID 3500 wrote to memory of 3564	3500	08f2609e7f7daf0f78032f773a68b72c.exe	106
PID 3500 wrote to memory of 3564	3500	08f2609e7f7daf0f78032f773a68b72c.exe	106
PID 3500 wrote to memory of 3564	3500	08f2609e7f7daf0f78032f773a68b72c.exe	106
PID 3500 wrote to memory of 3616	3500	08f2609e7f7daf0f78032f773a68b72c.exe	108
PID 3500 wrote to memory of 3616	3500	08f2609e7f7daf0f78032f773a68b72c.exe	108
PID 3500 wrote to memory of 3616	3500	08f2609e7f7daf0f78032f773a68b72c.exe	108
PID 3500 wrote to memory of 2028	3500	08f2609e7f7daf0f78032f773a68b72c.exe	110
PID 3500 wrote to memory of 2028	3500	08f2609e7f7daf0f78032f773a68b72c.exe	110
PID 3500 wrote to memory of 2028	3500	08f2609e7f7daf0f78032f773a68b72c.exe	110
PID 3500 wrote to memory of 3680	3500	08f2609e7f7daf0f78032f773a68b72c.exe	112
PID 3500 wrote to memory of 3680	3500	08f2609e7f7daf0f78032f773a68b72c.exe	112
PID 3500 wrote to memory of 3680	3500	08f2609e7f7daf0f78032f773a68b72c.exe	112
PID 3500 wrote to memory of 3680	3500	08f2609e7f7daf0f78032f773a68b72c.exe	112
PID 3500 wrote to memory of 3680	3500	08f2609e7f7daf0f78032f773a68b72c.exe	112
PID 3500 wrote to memory of 3680	3500	08f2609e7f7daf0f78032f773a68b72c.exe	112
PID 3500 wrote to memory of 3680	3500	08f2609e7f7daf0f78032f773a68b72c.exe	112
PID 3500 wrote to memory of 3680	3500	08f2609e7f7daf0f78032f773a68b72c.exe	112
PID 3500 wrote to memory of 3680	3500	08f2609e7f7daf0f78032f773a68b72c.exe	112
PID 3680 wrote to memory of 4752	3680	RegSvcs.exe	114
PID 3680 wrote to memory of 4752	3680	RegSvcs.exe	114
PID 3680 wrote to memory of 4752	3680	RegSvcs.exe	114

C:\Users\Admin\AppData\Local\Temp\08f2609e7f7daf0f78032f773a68b72c.exe
"C:\Users\Admin\AppData\Local\Temp\08f2609e7f7daf0f78032f773a68b72c.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3500
- 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\08f2609e7f7daf0f78032f773a68b72c.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4784
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WTddvQz.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3564
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WTddvQz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1C77.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3616
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WTddvQz.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2028
- 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:3680
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VhU1qJVbYZxGYCHV.bat" "
    3⤵
    PID:4752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
ac0a3f3a97e7bf2e092df8d37a2c7247

SHA1
b543b3032dbd3bd96d06c890041384273504e21a

SHA256
892df66628a0163025ae603c650d461704f4e864285ee2e40e63276103ffa34a

SHA512
1280b501a5e16899c7aa64ae3207292572b33aeebad58bd9ca8ea4fdfabd2e52c1a4776f290ed397d7aa7f83a1a29758b572bd0534153550bec81cf1641df7f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\VhU1qJVbYZxGYCHV.bat

Filesize
204B

MD5
dff7c81e7daee7da7f46d182553bbdb0

SHA1
ddfb21db6d6cfe1cf23a12e4bd7141bbb4b80e12

SHA256
58bf1a12fdf7990793f3b049d3937b9b8388c187a705184f6cdb846ddb963471

SHA512
9e4a89e63d33637031287c5d6445d93971b0ecf3af3a35506c7cae58cf9b0f2018ee8680847c3ed7880ec0efe0107ccfe044be8857d0d5ae6aca9f70c9355fa8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xrfwrhpw.1zs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1C77.tmp

Filesize
1KB

MD5
bdaa71afa6b8024c8573f2d9311670be

SHA1
60a607faee3f2eff3e1cedf992961c2885896f0d

SHA256
33af10e6a78bac831f511b89bf40f7129ad4f460dfb2822a62413e8eb35f1baa

SHA512
e83ecbd014ef37c52e7d47604caa269039dc875381ea5ac58b8821464c262d4d56646edef398bd9847f7b8a30ae3ff2e14bbfd2cda36f40a4731d337533de9e7

Download Submit
memory/2028-115-0x0000000007ED0000-0x000000000854A000-memory.dmp

Filesize
6.5MB

Download
memory/2028-90-0x000000007F1D0000-0x000000007F1E0000-memory.dmp

Filesize
64KB

Download
memory/2028-46-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/2028-76-0x0000000006B50000-0x0000000006B82000-memory.dmp

Filesize
200KB

Download
memory/2028-33-0x0000000002BF0000-0x0000000002C00000-memory.dmp

Filesize
64KB

Download
memory/2028-78-0x0000000073170000-0x00000000731BC000-memory.dmp

Filesize
304KB

Download
memory/2028-55-0x0000000002BF0000-0x0000000002C00000-memory.dmp

Filesize
64KB

Download
memory/2028-137-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/2028-121-0x0000000002BF0000-0x0000000002C00000-memory.dmp

Filesize
64KB

Download
memory/2028-123-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/2028-127-0x0000000007C50000-0x0000000007C58000-memory.dmp

Filesize
32KB

Download
memory/2028-124-0x0000000002BF0000-0x0000000002C00000-memory.dmp

Filesize
64KB

Download
memory/3500-2-0x0000000005D60000-0x0000000006304000-memory.dmp

Filesize
5.6MB

Download
memory/3500-0-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3500-5-0x00000000059A0000-0x00000000059B0000-memory.dmp

Filesize
64KB

Download
memory/3500-3-0x00000000057B0000-0x0000000005842000-memory.dmp

Filesize
584KB

Download
memory/3500-11-0x0000000008990000-0x0000000008A8A000-memory.dmp

Filesize
1000KB

Download
memory/3500-10-0x0000000008860000-0x000000000898C000-memory.dmp

Filesize
1.2MB

Download
memory/3500-4-0x0000000005850000-0x00000000058EC000-memory.dmp

Filesize
624KB

Download
memory/3500-6-0x0000000005790000-0x000000000579A000-memory.dmp

Filesize
40KB

Download
memory/3500-32-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3500-9-0x0000000001830000-0x0000000001842000-memory.dmp

Filesize
72KB

Download
memory/3500-8-0x00000000059A0000-0x00000000059B0000-memory.dmp

Filesize
64KB

Download
memory/3500-1-0x0000000000C30000-0x0000000000D9C000-memory.dmp

Filesize
1.4MB

Download
memory/3500-7-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3564-23-0x0000000005620000-0x0000000005630000-memory.dmp

Filesize
64KB

Download
memory/3564-21-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3564-135-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3564-44-0x0000000006290000-0x00000000062F6000-memory.dmp

Filesize
408KB

Download
memory/3564-66-0x00000000068E0000-0x00000000068FE000-memory.dmp

Filesize
120KB

Download
memory/3564-67-0x00000000069B0000-0x00000000069FC000-memory.dmp

Filesize
304KB

Download
memory/3564-122-0x0000000007F20000-0x0000000007F2E000-memory.dmp

Filesize
56KB

Download
memory/3564-24-0x0000000005620000-0x0000000005630000-memory.dmp

Filesize
64KB

Download
memory/3564-118-0x0000000005620000-0x0000000005630000-memory.dmp

Filesize
64KB

Download
memory/3564-91-0x0000000006F30000-0x0000000006F4E000-memory.dmp

Filesize
120KB

Download
memory/3564-113-0x0000000007B70000-0x0000000007C13000-memory.dmp

Filesize
652KB

Download
memory/3564-77-0x0000000073170000-0x00000000731BC000-memory.dmp

Filesize
304KB

Download
memory/3564-111-0x0000000005620000-0x0000000005630000-memory.dmp

Filesize
64KB

Download
memory/3564-29-0x0000000005BB0000-0x0000000005BD2000-memory.dmp

Filesize
136KB

Download
memory/3564-80-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3564-101-0x000000007EEB0000-0x000000007EEC0000-memory.dmp

Filesize
64KB

Download
memory/3680-28-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3680-31-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3680-25-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3680-26-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3680-74-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/4784-120-0x0000000007430000-0x0000000007441000-memory.dmp

Filesize
68KB

Download
memory/4784-68-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4784-114-0x000000007FDF0000-0x000000007FE00000-memory.dmp

Filesize
64KB

Download
memory/4784-116-0x00000000061E0000-0x00000000061FA000-memory.dmp

Filesize
104KB

Download
memory/4784-117-0x00000000072A0000-0x00000000072AA000-memory.dmp

Filesize
40KB

Download
memory/4784-71-0x0000000004B70000-0x0000000004B80000-memory.dmp

Filesize
64KB

Download
memory/4784-119-0x00000000074B0000-0x0000000007546000-memory.dmp

Filesize
600KB

Download
memory/4784-75-0x0000000004B70000-0x0000000004B80000-memory.dmp

Filesize
64KB

Download
memory/4784-70-0x0000000004B70000-0x0000000004B80000-memory.dmp

Filesize
64KB

Download
memory/4784-92-0x0000000073170000-0x00000000731BC000-memory.dmp

Filesize
304KB

Download
memory/4784-65-0x0000000005A30000-0x0000000005D84000-memory.dmp

Filesize
3.3MB

Download
memory/4784-20-0x00000000051B0000-0x00000000057D8000-memory.dmp

Filesize
6.2MB

Download
memory/4784-125-0x0000000007590000-0x00000000075A4000-memory.dmp

Filesize
80KB

Download
memory/4784-126-0x00000000075F0000-0x000000000760A000-memory.dmp

Filesize
104KB

Download
memory/4784-19-0x0000000004B70000-0x0000000004B80000-memory.dmp

Filesize
64KB

Download
memory/4784-18-0x0000000004B70000-0x0000000004B80000-memory.dmp

Filesize
64KB

Download
memory/4784-16-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4784-136-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4784-14-0x00000000025D0000-0x0000000002606000-memory.dmp

Filesize
216KB

Download
memory/4784-45-0x00000000058C0000-0x0000000005926000-memory.dmp

Filesize
408KB

Download