9e7f41fd174c2f47df52b296d99993f4210a87206bcb8f8a75407ba9e9ad18e9

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
27-06-2024 05:30

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General

Target

Silver Rat [Re Lab]/SilverRat.exe
Size

25.2MB
MD5

d6527f7d5f5152c3f5fff6786e5c1606
SHA1

e8da82b4a3d2b6bee04236162e5e46e636310ec6
SHA256

79a4605d24d32f992d8e144202e980bb6b52bf8c9925b1498a1da59e50ac51f9
SHA512

2b4eb9e66028d263c52b3da42fa3df256cf49cd7a7ebdf7c75da6a2dedfd2c22cb5f2071345b7016cd742539c74a801cad70c612330be79802fa19f860ea2d5f
SSDEEP

786432:SZYRGnGvovVvAuuglekvAR4vzHcv6lHGH9KdDmvQuLGgJMKV+n9n1vgvVv2jlv1S:Ik79a

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 24 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{61505381-3446-11EF-91CF-DEECE6B0C1A4} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2424 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2424 iexplore.exe
2424 iexplore.exe
2700 IEXPLORE.EXE
2700 IEXPLORE.EXE

pid	process
2424	iexplore.exe

pid	process
2424	iexplore.exe
2424	iexplore.exe
2700	IEXPLORE.EXE
2700	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

SilverRat.exeiexplore.exe

description	pid	process	target process
PID 2412 wrote to memory of 2424	2412	SilverRat.exe	iexplore.exe
PID 2412 wrote to memory of 2424	2412	SilverRat.exe	iexplore.exe
PID 2412 wrote to memory of 2424	2412	SilverRat.exe	iexplore.exe
PID 2412 wrote to memory of 2424	2412	SilverRat.exe	iexplore.exe
PID 2424 wrote to memory of 2700	2424	iexplore.exe	IEXPLORE.EXE
PID 2424 wrote to memory of 2700	2424	iexplore.exe	IEXPLORE.EXE
PID 2424 wrote to memory of 2700	2424	iexplore.exe	IEXPLORE.EXE
PID 2424 wrote to memory of 2700	2424	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\Silver Rat [Re Lab]\SilverRat.exe
"C:\Users\Admin\AppData\Local\Temp\Silver Rat [Re Lab]\SilverRat.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2412

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch&plcid=0x409&o1=.NETFramework,Version=v4.8&processName=SilverRat.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2424

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2424 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2700

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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