webmonitor | d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414

General

Target

fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe
Size

1.9MB
MD5

fac4b5a9c4f10517f44d4ae172f6473c
SHA1

2304b22499e60fa87ea5f9d3fee5f6d9ecacf9ee
SHA256

d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414
SHA512

6b8dc4430f6068eaac9d27e4f322d1ae921f56b9940e266ba44ed791917c37b14bb9cb1ea3b861da36d9efe44af7acf75264e19d60a5fb1e89deabd1afa1bdbc
SSDEEP

24576:qYOSCmr2OsBgo0q4wMEX1RTdVfm6ZWZmMv1XdyqTQV0QQXTMrBwtP9kvIuyR:qq/oHMEX1XVO6o91tn6IPtP9kvSR

Score

10^/10

webmonitor backdoor 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 7 IoCs

resource	yara_rule
behavioral1/memory/2608-16-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2608-17-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2608-19-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2608-25-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2608-27-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2608-30-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/2608-31-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral1/memory/2268-3-0x0000000000200000-0x0000000000212000-memory.dmp	CustAttr

Unexpected DNS network traffic destination 8 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	1.2.4.8
Destination IP	114.114.114.114
Destination IP	114.114.114.114
Destination IP	185.141.152.26
Destination IP	185.141.152.26
Destination IP	185.141.152.26
Destination IP	1.2.4.8

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2268 set thread context of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe
Token: SeShutdownPrivilege	2608	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2772	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	28
PID 2268 wrote to memory of 2772	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	28
PID 2268 wrote to memory of 2772	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	28
PID 2268 wrote to memory of 2772	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	28
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2608	2268	fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WLmzCRrQBmjpU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp951E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2772
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp951E.tmp

Filesize
1KB

MD5
4cf9b2ea4f3fdc41268ce6f84d5b3bb5

SHA1
4179ba7a0cc0048cd46c178b429dc530757437b3

SHA256
5bf365671fbe7bf7de8b7e31afdd2ef99e804c40eb68d1189cf7030183e64550

SHA512
04faa5e009bc8db801dc2f57afcc92eb27cb4ecf33ad99a1ee9dca332549084d61fb053836f245898d003f4a7e3030a6d01bca7ef866f33c87d0c8d18ebaf552

Download Submit
memory/2268-0-0x0000000000C50000-0x0000000000E48000-memory.dmp

Filesize
2.0MB

Download
memory/2268-1-0x0000000073FD0000-0x00000000746BE000-memory.dmp

Filesize
6.9MB

Download
memory/2268-2-0x0000000000590000-0x00000000005D0000-memory.dmp

Filesize
256KB

Download
memory/2268-3-0x0000000000200000-0x0000000000212000-memory.dmp

Filesize
72KB

Download
memory/2268-4-0x0000000073FD0000-0x00000000746BE000-memory.dmp

Filesize
6.9MB

Download
memory/2268-5-0x0000000000590000-0x00000000005D0000-memory.dmp

Filesize
256KB

Download
memory/2268-6-0x0000000005B90000-0x0000000005CC8000-memory.dmp

Filesize
1.2MB

Download
memory/2268-7-0x0000000005CC0000-0x0000000005DB4000-memory.dmp

Filesize
976KB

Download
memory/2268-26-0x0000000073FD0000-0x00000000746BE000-memory.dmp

Filesize
6.9MB

Download
memory/2608-15-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2608-16-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2608-17-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2608-19-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2608-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2608-25-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2608-13-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2608-27-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2608-29-0x0000000000590000-0x00000000005D0000-memory.dmp

Filesize
256KB

Download
memory/2608-30-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2608-31-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/2608-32-0x0000000000590000-0x00000000005D0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads