webmonitor | 9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e

General

Target

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
Size

360KB
MD5

6e223f8e362245614a74d9865d0817b0
SHA1

dd8d9ea9d62bcf6a7e69bbf6dd81457103bcc29e
SHA256

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e
SHA512

36321cbe8c9b17a939241247baa27e204f51c2f8c8667cafd3ddd939159412ead8addf663b2285499396917f1bebe51cc9f1ec7c218645f877860010da5c4e1a

Score

10^/10

webmonitor backdoor infostealer persistence rat suricata upx

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
suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
suricata
Executes dropped EXE 1 IoCs

Processes:

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

pid process

4132 9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

pid	process
4132	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral4/memory/4132-152-0x0000000000400000-0x00000000004C0000-memory.dmp	upx
behavioral4/memory/4132-154-0x0000000000400000-0x00000000004C0000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000\Software\Microsoft\Windows\CurrentVersion\Run\WebMonitor-4433 = "C:\\Users\\Admin\\AppData\\Roaming\\WebMonitor-4433.exe"	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

description	pid	process	target process
PID 4768 set thread context of 4132	4768	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

Modifies data under HKEY_USERS 43 IoCs

Processes:

sihclient.exesvchost.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	sihclient.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Classes\Local Settings\MuiCache	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	sihclient.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Classes\Local Settings\MuiCache\7\52C64B7E	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	sihclient.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

pid process

4132 9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

pid	process
4132	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

description	pid	process	target process
PID 4768 wrote to memory of 4132	4768	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
PID 4768 wrote to memory of 4132	4768	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
PID 4768 wrote to memory of 4132	4768	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
PID 4768 wrote to memory of 4132	4768	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
PID 4768 wrote to memory of 4132	4768	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
PID 4768 wrote to memory of 4132	4768	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
PID 4768 wrote to memory of 4132	4768	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe	9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
"C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
  "C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: RenamesItself
  PID:4132

C:\Windows\System32\sihclient.exe
C:\Windows\System32\sihclient.exe /cv 92GwURs0+UOTl7UTHcO7Cw.0.2
1⤵
- Modifies data under HKEY_USERS
PID:4444

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
1⤵
- Modifies data under HKEY_USERS
PID:4616

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:4688

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

MD5
6e223f8e362245614a74d9865d0817b0

SHA1
dd8d9ea9d62bcf6a7e69bbf6dd81457103bcc29e

SHA256
9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e

SHA512
36321cbe8c9b17a939241247baa27e204f51c2f8c8667cafd3ddd939159412ead8addf663b2285499396917f1bebe51cc9f1ec7c218645f877860010da5c4e1a

Download Submit
memory/4132-151-0x0000000000000000-mapping.dmp

Download
memory/4132-152-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4132-154-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4616-155-0x000001C587660000-0x000001C587670000-memory.dmp

Filesize
64KB

Download
memory/4616-156-0x000001C5878A0000-0x000001C5878B0000-memory.dmp

Filesize
64KB

Download
memory/4768-146-0x0000000000B80000-0x0000000000B81000-memory.dmp

Filesize
4KB

Download
memory/4768-148-0x0000000005BA0000-0x0000000005BA1000-memory.dmp

Filesize
4KB

Download
memory/4768-149-0x00000000055F0000-0x0000000005B96000-memory.dmp

Filesize
5.6MB

Download
memory/4768-150-0x00000000055C0000-0x00000000055C2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads