webmonitor | ff264d7e1f11b7f9e9e01cb24a65c68a7414e4de91e6bcf178ba36ba106f7684

General

Target

Code.exe
Size

1.1MB
MD5

149fdf05fd2659a44f84b7bea4ef1a8e
SHA1

84d65206243408b367ad0fd3234b8d26fc6e4314
SHA256

2c2b9e423c5ae9ef99565d76a6d7d4b6d5e394f523539b447a633c803e9372a3
SHA512

2d774b98d39c9571b6550c0de05c16991115199c639b5ca76b04477c420b4ade9c89b1c6c6eb4781012af36edb2dcaf3cc8c4d72c8c480d4e5472b4e8ab182d2

Score

10^/10

webmonitor backdoor infostealer persistence rat upx

Malware Config

Extracted

Family

webmonitor

C2

ericpt.wm01.to:443

Attributes

config_key
YmefzPZ4jwVJTOIYtP2HBKACzugd2Vme
private_key
Bs4pqL3pA
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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/520-63-0x0000000000400000-0x00000000004F6000-memory.dmp	family_webmonitor
behavioral1/memory/520-64-0x0000000000400000-0x00000000004F6000-memory.dmp	family_webmonitor
behavioral1/memory/520-65-0x0000000002D60000-0x0000000003D60000-memory.dmp	family_webmonitor

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/520-59-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral1/memory/520-60-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral1/memory/520-61-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral1/memory/520-63-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral1/memory/520-64-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral1/memory/520-65-0x0000000002D60000-0x0000000003D60000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Code.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run	Code.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\ProPlayer = "C:\\Users\\Admin\\AppData\\Roaming\\ProPlayer\\Player.exe.exe"	Code.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Code.exe

description	pid	Process	procid_target
PID 1484 set thread context of 520	1484	Code.exe	27

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Code.EXE

description	pid	Process
Token: SeShutdownPrivilege	520	Code.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Code.exe

pid	Process
1484	Code.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Code.exe

description	pid	Process	procid_target
PID 1484 wrote to memory of 520	1484	Code.exe	27
PID 1484 wrote to memory of 520	1484	Code.exe	27
PID 1484 wrote to memory of 520	1484	Code.exe	27
PID 1484 wrote to memory of 520	1484	Code.exe	27
PID 1484 wrote to memory of 520	1484	Code.exe	27
PID 1484 wrote to memory of 520	1484	Code.exe	27
PID 1484 wrote to memory of 520	1484	Code.exe	27
PID 1484 wrote to memory of 520	1484	Code.exe	27

C:\Users\Admin\AppData\Local\Temp\Code.exe
"C:\Users\Admin\AppData\Local\Temp\Code.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Users\Admin\AppData\Local\Temp\Code.EXE
  "C:\Users\Admin\AppData\Local\Temp\Code.EXE"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:520

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

Replay Monitor

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Downloads

memory/520-58-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/520-59-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/520-60-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/520-61-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/520-63-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/520-64-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/520-65-0x0000000002D60000-0x0000000003D60000-memory.dmp

Filesize
16.0MB

Download
memory/1484-57-0x0000000074B21000-0x0000000074B23000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads