hxxps://github[.]com/NET-FrameWork-x64/NET/blob/main/NETFramework[.]zip

Analysis

max time kernel
78s
max time network
139s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
16/12/2022, 12:49

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General

Target

https://github.com/NET-FrameWork-x64/NET/blob/main/NETFramework.zip

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 608865395511d901	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377963527"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003bad9e5810411a41b405bdc87c3b0eb80000000002000000000010660000000100002000000032b8c501e405b649cc44e85dc080b3660186f80e28eef4a2d5ccf2c6dedb8cc8000000000e80000000020000200000004b4ef8d394eccf1c5433a490ef1897a599bbc65fd5b42f1afc6a8e0f802fb045200000004f2f303b9eb45099b133b945d3097be55b01f7fc25dee14baa447e7aac02f613400000006b1a6860eef8e34d7448d7fd8828f26c4c775c41358fe361620cca2c62a179256329ecb47bed7097b7ae979b2cf989e8665997066f53cd8586c332032eee1679	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{6B8C2F61-7D48-11ED-85E8-6662AD81E03A} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10b39c455511d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	1292	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1292	AUDIODG.EXE
Token: 33	1292	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1292	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1508	iexplore.exe
1508	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1508	iexplore.exe
1508	iexplore.exe
564	IEXPLORE.EXE
564	IEXPLORE.EXE
564	IEXPLORE.EXE
564	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 564	1508	iexplore.exe	29
PID 1508 wrote to memory of 564	1508	iexplore.exe	29
PID 1508 wrote to memory of 564	1508	iexplore.exe	29
PID 1508 wrote to memory of 564	1508	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://github.com/NET-FrameWork-x64/NET/blob/main/NETFramework.zip
1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1508 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:564

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0xc4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1292

C:\Users\Admin\AppData\Local\Temp\Temp1_NETFramework.zip\NETFramework\start.exe
"C:\Users\Admin\AppData\Local\Temp\Temp1_NETFramework.zip\NETFramework\start.exe"
1⤵
PID:1536

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Web Service

T1102

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
592f656f524fee63d578ceeba9886c73

SHA1
3775b7c0f6b8f7aa164321adc28355e039bd8df5

SHA256
9d03147d2acd3e62bdd2363661a0eba90721d0d2f02e2888ea323d8477523aef

SHA512
c1c4a6a9378770bf322019ac54f6a87e75667513b422d2a4196572bbf63f84de7fa1e775203539a63ae77473ba649bff5c7818b13c5bca36a603ac97a3934c24

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\mlf2v8h\imagestore.dat

Filesize
1KB

MD5
1551b64d39514533205e070af52bb71b

SHA1
b295ad8d26a97da22e48c78abe5e86903c63e91b

SHA256
5b1342c0215ff8e9d5dd9d0bfd4716d03807b18d959f3eef3c0dcb68e43b0588

SHA512
dda184f35fd0b26bfc7f9bb2d6b65ed6c4d3fb1eb178594184089f5b86d14e86621305ae9aa9fee73088275f60817ad6faf91abe5011e34882aff10a44ea14cd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\46XILC9P\NETFramework.zip.3y12e8b.partial

Filesize
158KB

MD5
6ad0d1cb0da4f71f25c64871b027f274

SHA1
31f2a1359c4109c11da58acdb1e13f8172c4158c

SHA256
3389836d9b94dc5f1e6b73f313b09516bbf74df96965e33fcf0e3b5888220f3e

SHA512
3ee5f42795814972a0984f2f7a5ab3d3ada13f529df741d611c07deb24a7353620de6e4ab558ba0d13b8357e19bf4e802164b878800ad4bc3271b0b152f3c082

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\YYGX4XF1.txt

Filesize
608B

MD5
05fa539b78ef9b5d552ecd501bff056b

SHA1
ef4551791e3388b58e398207b16c48b236bdf5c2

SHA256
0cda7802752f3644d2bad02acf278992284dda51bc3297b4461e29eaf626e8b1

SHA512
d6f9a271c30500f4ef7dee748ae035243bb4808ad81da3287909fefda73f8cfaacaf7e16ebf5f5857b98aa1ca206aeb6a1efef52e03f6142d74a607367d0b0fe

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads