756b3c17d28d81b66a24532b91e34f0aa54b9c7519b0f8fa6dd2b65474d60555

Analysis

max time kernel
196s
max time network
133s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
14-07-2024 04:59

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General

Target

OEBPS/Text/capitulo_4.html
Size

26KB
MD5

c84f001043de292fb3cde60107b1e699
SHA1

62d68e8bedeff38bd13f7af255ad4bd138f2bf65
SHA256

17980d0c4384e316778b42e82595693da9f94f5db2e841f15d0e3fe60aa66a9d
SHA512

151c5800d378f01a2684002e4ba03f2e39b06026a0bfe15b2550a26766ea7046e27f382d090bf445e787cd68b9e57d6a075197f9ec6f4b86e5cc4804a7ce2698
SSDEEP

384:PTe1u5c5JP7UdW5J78ajHJ6ppkgEBn7kTkWqCQlZdpgfKV2F9VzJ0MJ3D:PK1u5c59oW5hTQpLEtKkVC4WKaVtpD

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000bb7c5835718279428690b074aa627b7000000000020000000000106600000001000020000000bdd651b45002e4fdfb02bd4ce0ac133981610c2d68562cfe619da2e08e9b6042000000000e800000000200002000000036e166464cd215d1d8ce7220a6282da397bf1fcf0a82d96e88637852265098f8200000005df0e5e37a6eb7113827e0b525bd59a92f356fe9b40f723257a34cb37b56907a400000000da0c9a3204f2b7a45dcbacbed1a7917da5142e40a12cca06d2b928fdaabbbde363501d77a89db0fb57c4d365eeafb7ed270ef63863a39b913afa6c11f0d728c	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E6DFD391-419D-11EF-9143-7699BFC84B14} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 203bdcbbaad5da01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "427095060"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2724	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2732	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2732	AUDIODG.EXE
Token: 33	2732	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2732	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2548	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2548	iexplore.exe
2548	iexplore.exe
2724	IEXPLORE.EXE
2724	IEXPLORE.EXE
2724	IEXPLORE.EXE
2724	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2724	2548	iexplore.exe	29
PID 2548 wrote to memory of 2724	2548	iexplore.exe	29
PID 2548 wrote to memory of 2724	2548	iexplore.exe	29
PID 2548 wrote to memory of 2724	2548	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\OEBPS\Text\capitulo_4.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2548 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2724

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x560
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
342B

MD5
02dda6146be15edbed78a020f45390f9

SHA1
192aa09dece7ee2d584412099288dd92ac657107

SHA256
0b98fd99dbe64e44a77f500689a8b6b12f52c83d5439c5f9272b92317ff1f72f

SHA512
d06e3558650f528c7a9aa1443c44289691a38b48b7277cef74e2b5e0107445d242ec2552888ed558b4d22e06a45495186d02d9dcb14894eef9585986551996f3

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

Filesize
342B

MD5
43206a108d30e62d2835f641abc9b3e0

SHA1
d3c40926463cc2ebc11cf77a1040619f622c235a

SHA256
e72061322a4e58a8525084101ae023f67703d4f859e2331d3773e949f24fb9d4

SHA512
0a93cce03ab0d2f897b58c4abef614fea3edc05881bf89e0bb18ce0fb4e97dc67fbfe2188fafe751a969f5a6a3b403e1c74ae8af04c3304da26066066bccaf5c

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

Filesize
342B

MD5
3b9983e68d013ebc26bed6772b043fc6

SHA1
0e0e076c644530c5a3761b7c7635b77d5cc3f4b2

SHA256
3f1473e861a2c3dd796802f86a185ba4dfdb3c56187473863b8b5933e833ce89

SHA512
6a7752f87b1f6c597eba2b8a1f3fba4ccdb071ef968ab436a84dc4436209b38c6155f0a15b75a7996aa14d7656d7d2eddfd0dcb56483feba827d93d3774ed92d

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

Filesize
342B

MD5
d0778588542fd963e1237b631cc72f48

SHA1
7a3febbfc082d7d934c53fa207140a2390d9d73b

SHA256
43d0fe62c09ff3f8c8da97e61820f272e4a97ebde5f485526346c59c674e75c2

SHA512
d5ff898c54ab2b424ed3d824bf5b3d5ea0cbfc7cd1ee16e04308e1d5d8ef258a13281b2543441a74e421cf0d6d7c76c6cafae84f1355804e901263df8b09bdce

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

Filesize
342B

MD5
8649e7d6e1006a1b6736806134744768

SHA1
63982554a06a1cb4b1651ca0b34b1e5e78dd71a1

SHA256
cde4f65614d1a84d0c8010ab931e5314d64a970e9205e6cac0a9322b342a4fa1

SHA512
4e6410aee91ddc50bead220d0feeb25171b26360c820cf9010025b50d2a8419e803470aa29f2699765bba10cff21979b8412bb86121e7c6cb962ee159cee2724

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

Filesize
342B

MD5
5a8e71127d7fe4ad7e1e9a8d5f60ba6b

SHA1
a724d7e50dc23dc030ab40c358c6546e9daa785d

SHA256
776d5b5b027fb52fee958b290422457f2a3763d3d7b6d26f64c89e9f2bbdde69

SHA512
467e55c777383a8326b6ecf2c144a444822cbfa8233dd84800d778df8f7c078622bfc70b6364fc633567259c67516706041895298ccdb57ad1228bb3abc15fdb

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

Filesize
342B

MD5
7b990ef9d2e30d93f4816bf64ddca92e

SHA1
ab931313bdf4a6cd2aa1eb8b944230557706cc56

SHA256
268a500c782702d0e6ea822e4b18e593d4de563f0606c3b43c1db3c82ad2764c

SHA512
732290f7bd8a2565e6616e8ddec12ca5578e3ba0ef0f11fbb3f76803d43cf907262390ae3d04eb91bacf51d7be5f0e8b188575b754c8e89606459fb7117323ba

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

Filesize
342B

MD5
80d643c82d08cbd217ee55a372e16e8b

SHA1
bce0fda24d399b75bf9296add0f37a3e611d1327

SHA256
68c13005a0ca715e9dbe37acf379da4ba7dbbadc31e94e43f6f59bd94c810ff9

SHA512
3c2670d006e0e19c3e2c0eef76d08aaa028af99e5b92774762d2b9bdee999d61fd7adc6545c14ab12e13ba6a559b6aea8f62be37fb0cb922b5cdb4b4c6f0b656

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

Filesize
342B

MD5
d2ad5a1839b7a9e8d724eedaa4d1ce19

SHA1
53e8a0c5ed2011a2ebd3284977ba61e24cea4926

SHA256
d1d293d25470f851c9e17ec97b838671c7f59eeda4f9eab72236f751bd46d8f7

SHA512
9073c475425948a7985d15762c1f82dc439c63da0ef6ab6c3e63a9a754d5911e86e80d6f57ae6b4adec4e81e10c855f67cdfa5c15f0652c936b7b228788c42b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabC860.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC93E.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit