b653631708cdf4b2ec872b4dca10f3c23380c7a2b2029e20f23b590602d1bcfe

max time kernel
166s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
05/07/2023, 08:41

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General

Target

changelog.html
Size

74KB
MD5

de665303b7be08ecf0864e311e94a494
SHA1

24a439da462073f0bad6cb46fbb563d1853c6eb8
SHA256

96b893c1582a878bc721d0a19229e7bc99aaaae107002c651d57fd5bf5bdf9b7
SHA512

102893fd6dc7dc340cfd453619b281f5b6db285847d76058ca6ca2db829d9080e46c965eaeb0ff5db63adf1501a2fc8bc8490af31b6eb16afe7495cec22b456a
SSDEEP

1536:6eTlYbDk68dvzfMBBx+N24Dt2XGyjdwa8cID20+ADN6z+yH0ZyQmbvfZ/4OAS9vr:nTEDk68dreB0N24DsXGSwaZIDH+ADN6P

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 24 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000a07bbe79b265d14db3b0aa02a3882147000000000200000000001066000000010000200000007d295654416c277219367611719a948e64b4e109576d566844f2db003648fac6000000000e80000000020000200000006cb548830048eecf31ce160abe632e1c58ebdcbf214f2428e0cea38e63c40d0c200000002eed783731b7931d710e27383f4b11bb9dcf83be244dfe67e246f88db2271d66400000002273939cba08247b51db511aac50564d08febd3b89fde2221eb9c5446203ff1de4c524fa64666066d17929664232da1c96c284c25986a65db4f37392eb367d6c	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "394708611"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50aac3261dafd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000a07bbe79b265d14db3b0aa02a388214700000000020000000000106600000001000020000000e34bcc5bca008a75493284ff1b5365c6c6c9c2adc56fc728479e3671dac6374c000000000e8000000002000020000000b083d9453d07ab730459b736c41feda65ab586014588216d87370ff9d4958d0c200000008b57b22f1e16c21a4c87d7cbbc81842507656f598f29d0ab65bda5d8951b513f40000000d700a3f889a4a2d78d35c110d65425d3407c86eac62f372c592769099ca801f37577e37e773c1b1d5e5a94091c2c1bd92e851b57ccc9ac075686c7f1005730e4	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4AE10E5E-1B10-11EE-A61E-4A1E53401E07} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 006fd6261dafd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5108	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5108	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5108	iexplore.exe
5108	iexplore.exe
4312	IEXPLORE.EXE
4312	IEXPLORE.EXE
4312	IEXPLORE.EXE
4312	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 4312	5108	iexplore.exe	84
PID 5108 wrote to memory of 4312	5108	iexplore.exe	84
PID 5108 wrote to memory of 4312	5108	iexplore.exe	84

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\changelog.html
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5108 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4312

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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