b20f8a6ceddde83da6394f330c9032931a36a758382f16b3f2c5299e465ca79d

General

Target

b20f8a6ceddde83da6394f330c9032931a36a758382f16b3f2c5299e465ca79d.exe
Size

550KB
MD5

5d2a4a24a827374ccb57e8a92585cbab
SHA1

1a645c3a2497e2de81e3e7ac3a9fadb2054a28db
SHA256

b20f8a6ceddde83da6394f330c9032931a36a758382f16b3f2c5299e465ca79d
SHA512

2ece36b6baea34408a6a42642d7caa99f3363f62fccba0c4de1cfec034a7e42ceded44ebd78240bc95bf0ab83f77d6f120629897273df399f189dfb349c0a6f8
SSDEEP

12288:UhWNf7tuIBtuiz5ErPPGtr/ZhvGAJw8m0zCQoVMpztSMcfK5PnoRFyRUXs:U0R7tNui4PE3vtxPLTpztS3fKtoOyXs

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c03bc6648807d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000f0c38437ca00cc4c9e515024620d68ba00000000020000000000106600000001000020000000f88c6ff768ef33b9e40e2dcf8a6e45af496c198888b8072e68bca39ac372cd57000000000e800000000200002000000010ee31bf2f37b4a8f7caf8da632fd1218f4350498ebc6c94a7851bf87c7dd7e0200000000fec150406dedc90a7094a9381f3931437001a60c75de9ee6342f96af1faa9e640000000a788d6559f3e34bb997b2e7ef4c9dbb3bd96ba5617b17ad0269bd8f51407f263aacfbd20e8e489928bd4cebbb49461d2b2309abf7e8aa6e252a26d16900a07c9	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{7D2BE611-737B-11ED-85B0-72E6D75F6BEB} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376885958"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1924 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1924 iexplore.exe
1924 iexplore.exe
1244 IEXPLORE.EXE
1244 IEXPLORE.EXE
1244 IEXPLORE.EXE
1244 IEXPLORE.EXE

pid	process
1924	iexplore.exe

pid	process
1924	iexplore.exe
1924	iexplore.exe
1244	IEXPLORE.EXE
1244	IEXPLORE.EXE
1244	IEXPLORE.EXE
1244	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b20f8a6ceddde83da6394f330c9032931a36a758382f16b3f2c5299e465ca79d.exeiexplore.exe

description	pid	process	target process
PID 1228 wrote to memory of 1924	1228	b20f8a6ceddde83da6394f330c9032931a36a758382f16b3f2c5299e465ca79d.exe	iexplore.exe
PID 1228 wrote to memory of 1924	1228	b20f8a6ceddde83da6394f330c9032931a36a758382f16b3f2c5299e465ca79d.exe	iexplore.exe
PID 1228 wrote to memory of 1924	1228	b20f8a6ceddde83da6394f330c9032931a36a758382f16b3f2c5299e465ca79d.exe	iexplore.exe
PID 1228 wrote to memory of 1924	1228	b20f8a6ceddde83da6394f330c9032931a36a758382f16b3f2c5299e465ca79d.exe	iexplore.exe
PID 1924 wrote to memory of 1244	1924	iexplore.exe	IEXPLORE.EXE
PID 1924 wrote to memory of 1244	1924	iexplore.exe	IEXPLORE.EXE
PID 1924 wrote to memory of 1244	1924	iexplore.exe	IEXPLORE.EXE
PID 1924 wrote to memory of 1244	1924	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\b20f8a6ceddde83da6394f330c9032931a36a758382f16b3f2c5299e465ca79d.exe
"C:\Users\Admin\AppData\Local\Temp\b20f8a6ceddde83da6394f330c9032931a36a758382f16b3f2c5299e465ca79d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1228

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=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=b20f8a6ceddde83da6394f330c9032931a36a758382f16b3f2c5299e465ca79d.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:1924

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1924 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1244

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\5Z7IIKNC.txt

Filesize
537B

MD5
730fd9ccf8ad0b2329402039f0abbe27

SHA1
58c843dd16a998ddf8c9f7a10eb13230d840c5d5

SHA256
460a1f8cbf83c58ea7af848cb1622a6e95b1b9fcab07c6916069fe4e59c632be

SHA512
9fa32c16663de8fab5a417e8ff599bd224e9011404130fd770126aaa0063ea2b4086765f9d4e00bf81b79be9126425887e6fe8b6035fdf6b833342895cf0ff7c

Download Submit
memory/1228-54-0x0000000052680000-0x0000000052730000-memory.dmp

Filesize
704KB

Download
memory/1228-55-0x0000000075561000-0x0000000075563000-memory.dmp

Filesize
8KB

Download
memory/1228-56-0x0000000052680000-0x0000000052730000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing