webmonitor | f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41

General

Target

f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
Size

474KB
MD5

625ded2dda29d1d3455f780d2f9dcd95
SHA1

97fabd1f49828704a6e9f48d1e2b3d2c0c323be4
SHA256

f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41
SHA512

fbb6095a6ab79ab502ef6a63ed14bdc558da17ee8f4a962aad8dbb807c5ff4029feecb21b70f3df682830d0e8c1d7b88652cc41b233d0ddbe9754d27c13e7d38

Score

10^/10

webmonitor backdoor infostealer persistence rat upx

Malware Config

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

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1284-61-0x0000000000400000-0x00000000004C1000-memory.dmp	upx
behavioral1/memory/1284-70-0x0000000000400000-0x00000000004C1000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\WebMonitor-3033 = "C:\\Users\\Admin\\AppData\\Roaming\\WebMonitor-3033.exe"	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe

description	pid	process	target process
PID 1676 set thread context of 1284	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
PID 1676 set thread context of 1976	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	regedit.exe
PID 1676 set thread context of 2004	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327835241"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{69434B31-B55E-11EB-8528-FAFEA7710D2E} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe

Runs regedit.exe 1 IoCs

Processes:

regedit.exe

pid process

1976 regedit.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe

pid process

1284 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2004 iexplore.exe

pid	process
1976	regedit.exe

pid	process
1284	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe

pid	process
2004	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exeiexplore.exeIEXPLORE.EXE

pid	process
1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
2004	iexplore.exe
2004	iexplore.exe
2020	IEXPLORE.EXE
2020	IEXPLORE.EXE
2020	IEXPLORE.EXE
2020	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exeiexplore.exe

description	pid	process	target process
PID 1676 wrote to memory of 1284	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
PID 1676 wrote to memory of 1284	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
PID 1676 wrote to memory of 1284	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
PID 1676 wrote to memory of 1284	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
PID 1676 wrote to memory of 1284	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
PID 1676 wrote to memory of 1284	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
PID 1676 wrote to memory of 1284	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
PID 1676 wrote to memory of 1284	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
PID 1676 wrote to memory of 1976	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	regedit.exe
PID 1676 wrote to memory of 1976	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	regedit.exe
PID 1676 wrote to memory of 1976	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	regedit.exe
PID 1676 wrote to memory of 1976	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	regedit.exe
PID 1676 wrote to memory of 1976	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	regedit.exe
PID 1676 wrote to memory of 1976	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	regedit.exe
PID 1676 wrote to memory of 1976	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	regedit.exe
PID 1676 wrote to memory of 1976	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	regedit.exe
PID 1676 wrote to memory of 2004	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	iexplore.exe
PID 1676 wrote to memory of 2004	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	iexplore.exe
PID 1676 wrote to memory of 2004	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	iexplore.exe
PID 1676 wrote to memory of 2004	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	iexplore.exe
PID 1676 wrote to memory of 2004	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	iexplore.exe
PID 1676 wrote to memory of 2004	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	iexplore.exe
PID 1676 wrote to memory of 2004	1676	f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe	iexplore.exe
PID 2004 wrote to memory of 2020	2004	iexplore.exe	IEXPLORE.EXE
PID 2004 wrote to memory of 2020	2004	iexplore.exe	IEXPLORE.EXE
PID 2004 wrote to memory of 2020	2004	iexplore.exe	IEXPLORE.EXE
PID 2004 wrote to memory of 2020	2004	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
"C:\Users\Admin\AppData\Local\Temp\f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1676

C:\Users\Admin\AppData\Local\Temp\f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
"C:\Users\Admin\AppData\Local\Temp\f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: RenamesItself
PID:1284

C:\Windows\SysWOW64\regedit.exe
"C:\Windows\regedit.exe"
2⤵
- Runs regedit.exe
PID:1976

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2004 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2020

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\6HAFV9B1.txt
MD5
749cb25cd1d9ab79689998bf167b08df

SHA1
0ab19cb7f00bc0b55bfe29239ff34c2f3667cfcc

SHA256
a2e33be7f2e811705f1882688766cbccabe891cda7fc6fd045940dc5312c7385

SHA512
cb762a76ce25e6977b6d3421e09d8f6281e6ed32f967e75b80948cdd3a434d434d7263bdcc3f87cd03bf8e4eeca4a8660b2cb75e8695befb01c82e6533abac98

Download Submit
memory/1284-62-0x00000000004BF970-mapping.dmp

Download
memory/1284-61-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1284-63-0x0000000075971000-0x0000000075973000-memory.dmp

Filesize
8KB

Download
memory/1284-70-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1976-65-0x00000000004BF970-mapping.dmp

Download
memory/2004-69-0x00000000004BF970-mapping.dmp

Download
memory/2004-73-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

Filesize
4KB

Download
memory/2020-72-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads