webmonitor | d482d7e39076ad62091622475baa816ca68e88f144253e42a9cdf42fe6473fa5

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
16-05-2024 17:41

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General

Target

Extreme Injector v3.7.exe
Size

365KB
MD5

1250fbb9be09180d07d87d1abdc2b349
SHA1

c58da16d2e16955498b083bf5d5a55a4cccf32fe
SHA256

8979b90d56e060696bcd2f0e36f2c0a10c7ccab4114bfce1bb278bf25ecc2946
SHA512

ffe323afa8b5ae6d574dff789dd2b42d0ce80581e47648425fc3b57873092f2ee38dcdb17e45e601803ffd4c806f38fcfaf5d785bbb8a1657f71fde980dcedb1
SSDEEP

6144:cxLA03giVtLfLzHbklDubM1oFRgfHaSjcVfUpJqTyZp0KfgxcFmQoZgfHlgASbyz:cxLA4tLf37ktu2qg/aSjosL4Kfgo5oZ2

Score

10^/10

webmonitor backdoor infostealer rat upx

Malware Config

Extracted

Family

webmonitor

kamilw1337.wm01.to:443

Attributes

config_key
a72oDI537AbYRjeItTOo34O25nOyaPFK
private_key
MqUzv9esY
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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/876-5-0x0000000000400000-0x00000000004F6000-memory.dmp	family_webmonitor

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

Processes:

Extreme Injector v3.7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	Extreme Injector v3.7.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/876-0-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral2/memory/876-5-0x0000000000400000-0x00000000004F6000-memory.dmp	upx

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

System Information Discovery
T1082
Suspicious behavior: RenamesItself 1 IoCs

Processes:

Extreme Injector v3.7.exe

pid process

876 Extreme Injector v3.7.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Extreme Injector v3.7.exe

description pid process

Token: SeShutdownPrivilege 876 Extreme Injector v3.7.exe
Token: SeCreatePagefilePrivilege 876 Extreme Injector v3.7.exe

pid	process
876	Extreme Injector v3.7.exe

description	pid	process
Token: SeShutdownPrivilege	876	Extreme Injector v3.7.exe
Token: SeCreatePagefilePrivilege	876	Extreme Injector v3.7.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Extreme Injector v3.7.exe

description	pid	process	target process
PID 876 wrote to memory of 208	876	Extreme Injector v3.7.exe	cmd.exe
PID 876 wrote to memory of 208	876	Extreme Injector v3.7.exe	cmd.exe
PID 876 wrote to memory of 208	876	Extreme Injector v3.7.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.7.exe
"C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.7.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:876
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WnhH5eCoZrReAsW4.bat" "
  2⤵
  PID:208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\WnhH5eCoZrReAsW4.bat

Filesize
204B

MD5
c102297444c3aa8a1d4dce15cf1a6970

SHA1
47117d5631779c3b85cae037e370ecbb575045b2

SHA256
6d7f9d1fb0c4230b6dbfbbbb610f6e2093b7ddbb9824f7eb4b6babd5c0b8c2b1

SHA512
3c0c82f2ae94568406a3142a2cc3576bcc1778e21fafbc228b3d260f6833e0e3a61d90eedd779d60dedd75531f18b823c78b090f3250ac9aee8d4817a3383608

Download Submit
memory/876-0-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/876-5-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download