webmonitor | 77732e74850050bb6f935945e510d32a0499d820fa1197752df8bd01c66e8210

General

Target

d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe
Size

962KB
MD5

d39da4595ca51a748ac33447965d80e3
SHA1

e7e0ec21e7cb1d67c906169e6e039d4b29c423c7
SHA256

77732e74850050bb6f935945e510d32a0499d820fa1197752df8bd01c66e8210
SHA512

620cf557f657213ff9f52b2939fdd689906f4b634a20210d3a6062802b25e30d3085c3b6bf0336c880fa8deedafc67f4daee2dd999f911d86184bda47d3ba178
SSDEEP

24576:0FsVd+29QFw53L5o3DVUYR35Xc32WBjshPQ:0FsqtFwaFi3JX

Score

10^/10

webmonitor backdoor discovery infostealer rat

Malware Config

Extracted

Family

webmonitor

C2

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 6 IoCs

resource	yara_rule
behavioral1/memory/1248-3-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1248-5-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1248-6-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1248-7-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1248-10-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1248-11-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

Webmonitor family
webmonitor

Unexpected DNS network traffic destination 9 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	185.141.152.26
Destination IP	185.141.152.26
Destination IP	1.2.4.8
Destination IP	114.114.114.114
Destination IP	185.141.152.26
Destination IP	185.141.152.26
Destination IP	1.2.4.8
Destination IP	185.141.152.26
Destination IP	114.114.114.114

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 1248	1944	d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1944	d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1248	d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1248	1944	d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1248	1944	d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1248	1944	d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1248	1944	d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1248	1944	d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d39da4595ca51a748ac33447965d80e3_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1248-3-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1248-5-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1248-6-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1248-7-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1248-8-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1248-10-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1248-9-0x0000000003560000-0x0000000004560000-memory.dmp

Filesize
16.0MB

Download
memory/1248-11-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1248-12-0x0000000003560000-0x0000000004560000-memory.dmp

Filesize
16.0MB

Download
memory/1944-2-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1944-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download

Analysis

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