webmonitor | 314f0b21f24f66667f7368e97ab3074508efe5ee811e5984ab4d884fccdc6f3b

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
30-04-2024 05:04

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General

Target

091594da96c121bd3e18c5a85bfe27c1_JaffaCakes118.exe
Size

737KB
MD5

091594da96c121bd3e18c5a85bfe27c1
SHA1

2e67b46334e1b1aae5c27c919f517ba759c00ce4
SHA256

314f0b21f24f66667f7368e97ab3074508efe5ee811e5984ab4d884fccdc6f3b
SHA512

19cfa75ecfc71e8dd32fc8af6639bf6c0bbb67665e5010754c38b68eae7ccae59fb4ac2852f5b7776661b69975fbdb025c629a919fffbc56bc1c5ba0d4bb2e1a
SSDEEP

12288:HxLAayUuy3hJA7pS4evYDyjqdGiq8QhE9rnHt+Sr5WGLxMLWmAijgugFputYdZt:HZyShJAc4evsW4Gib0EJN+Sr5vKWmAw4

Score

10^/10

webmonitor backdoor infostealer rat upx

Malware Config

Extracted

Family

webmonitor

web77.wm01.to:443

Attributes

config_key
Yx500sfaueJo0wEDjjDx6FU3y2XQM37M
private_key
GixqWBITl
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

resource	yara_rule
behavioral2/memory/64-6-0x0000000000400000-0x0000000000537000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	091594da96c121bd3e18c5a85bfe27c1_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/64-0-0x0000000000400000-0x0000000000537000-memory.dmp	upx
behavioral2/memory/64-6-0x0000000000400000-0x0000000000537000-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

pid	Process
64	091594da96c121bd3e18c5a85bfe27c1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	64	091594da96c121bd3e18c5a85bfe27c1_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	64	091594da96c121bd3e18c5a85bfe27c1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 64 wrote to memory of 4936	64	091594da96c121bd3e18c5a85bfe27c1_JaffaCakes118.exe	87
PID 64 wrote to memory of 4936	64	091594da96c121bd3e18c5a85bfe27c1_JaffaCakes118.exe	87
PID 64 wrote to memory of 4936	64	091594da96c121bd3e18c5a85bfe27c1_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\091594da96c121bd3e18c5a85bfe27c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\091594da96c121bd3e18c5a85bfe27c1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:64
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DXyXLOEleA14gRdi.bat" "
  2⤵
  PID:4936

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DXyXLOEleA14gRdi.bat

Filesize
204B

MD5
94033e0e15fff5610a158b9cb424dd02

SHA1
5d403f909a167715bb29ea66991963a1cf0bcb17

SHA256
059d880d9847e7b39e90563601630ffca4705eabf313dfbe4bfc59667efbc61e

SHA512
d37c6f89857bc614f3c217b399e94a97b32faf17161a59487706212b6dc38ce503f79317829684cea0b39a21c37443188349f2b44b3a529e942cb7c0f34e190d

Download Submit
memory/64-0-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/64-2-0x00000000772F3000-0x00000000772F4000-memory.dmp

Filesize
4KB

Download
memory/64-1-0x00000000772F2000-0x00000000772F3000-memory.dmp

Filesize
4KB

Download
memory/64-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download