webmonitor | 142cf7f01ff7c99da5e16196325e3fa3a6d867ff0e50696d727c92696ba97ccf

General

Target

bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe
Size

982KB
MD5

bcb77b64ef4a369f8b381aff4c6f1c57
SHA1

4624958cd8a724ad01868331d9a78a64fb0cdcb0
SHA256

142cf7f01ff7c99da5e16196325e3fa3a6d867ff0e50696d727c92696ba97ccf
SHA512

9249aea1d4a0d467c544271297ee7b88851c586c9afab522f845a071d7551bbefdfc49b516d13bb5d31277ab194026ecd5852e0d751b0527e7543a2d9607405a
SSDEEP

24576:kkirwmPnCRldoDbhC8xyhFOKOl0TWfNBBx6xs30LM:kxrwmPnCS/TxAFOX+TYwxk0LM

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 13 IoCs

resource	yara_rule
behavioral1/memory/2768-5-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2768-6-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2768-7-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2768-3-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2768-9-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2768-11-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2768-10-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2768-13-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2768-14-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2768-17-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2768-20-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2768-23-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2768-24-0x0000000000400000-0x00000000004F3000-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	185.141.152.26
Destination IP	1.2.4.8
Destination IP	185.141.152.26
Destination IP	185.141.152.26
Destination IP	114.114.114.114
Destination IP	114.114.114.114

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2668 set thread context of 2768	2668	bcb77b64ef4a369f8b381aff4c6f1c57_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	bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2668	bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2768	bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2768	2668	bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2768	2668	bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2768	2668	bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2768	2668	bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2768	2668	bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Users\Admin\AppData\Local\Temp\bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\bcb77b64ef4a369f8b381aff4c6f1c57_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2768

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/2668-2-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/2668-1-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2768-5-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2768-6-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2768-7-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2768-3-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2768-9-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2768-8-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2768-11-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2768-10-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2768-13-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2768-14-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2768-17-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2768-20-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2768-23-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2768-24-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download

Analysis

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