hxxp://www[.]linkedin[.]com/company/fortinet

Analysis

max time kernel
80s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21-03-2023 02:14

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General

Target

http://www.linkedin.com/company/fortinet

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 37 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31021978"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4214338981"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2633C2B2-C78E-11ED-8FFF-4221DB3A75C8} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000010d3bb75b0ea114e9ca1233a5a090b7b000000000200000000001066000000010000200000004288d2e21e96ad1f18e3a5d10e5684c6c2578c9320daeaea0439a58d47df04b1000000000e80000000020000200000003c8e26da1ee1e7be2546b1ad79d7cf0c459cf911e9b1ecebcf6265f1dfe705e02000000043681d58acc1a6c94db4faa0b71c747687567dfb4b7f214ee152e0a37157c0524000000019ead6bb85d705a135a2e1da63cefd19347d13e5076ccd13526f4048cad368d572e21a46deb128468fbbd429fe35c6332b81e537e489b7db844041a6c847253a	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "386129863"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4238245197"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31021978"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31021978"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4214338981"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0fdc3fa9a5bd901	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3992	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3992	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3992	iexplore.exe
3992	iexplore.exe
4908	IEXPLORE.EXE
4908	IEXPLORE.EXE
4908	IEXPLORE.EXE
4908	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 4908	3992	iexplore.exe	87
PID 3992 wrote to memory of 4908	3992	iexplore.exe	87
PID 3992 wrote to memory of 4908	3992	iexplore.exe	87

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://www.linkedin.com/company/fortinet
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3992 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4908

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
a03e3db17abda2b8279c2f4f37ee6cbf

SHA1
7470b2553b06790447cec18717a4bc02a24478d6

SHA256
341afed6144ebf64136cff435d5654f8525faf997a72e2492fcbc522f3858942

SHA512
4c93121cdbf94cd152f6e0f602c9acd5256073536e4dad930a0e1fc7656c5a1132eef1dd53d19c16979329d46916eea454cc65e578667dc8572e38ec5c4c4d44

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
434B

MD5
45ea4e0c5b2eee3172b830766a155416

SHA1
6aaf1e10eb07555068fe71daccca2791fb277268

SHA256
2a6c43534e7b586be1e3d31367ffd696b3169919417645285bd89d097bd599cc

SHA512
ef4b9a634f49ea9fe1a176139d4bf9b3144aa4c879630f4c50398c3134a11044fbebf250bb45fa6ca77039f3b24a5ae47aacf30bcbde11c757db1a82e3ac2073

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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\phzg4yt\imagestore.dat

Filesize
1KB

MD5
fdc9c32f7a04b438ff639cf66c6a9d15

SHA1
d8e93049c8ec1dbe62990ab6aac8c89fbc151374

SHA256
ef0b091770429bdb64c6fcd548819f43178b519cab4494994f174110ffcbb7ad

SHA512
bc7f0a39993d0ba2e0fcfde8fd65aff4c28edd502d864c6621349cff18e95afebc6cb26f2ddb6b0f30772bd73168d4f6d911ac9a829ac4af20a98bda528f3852

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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\phzg4yt\imagestore.dat

Filesize
26KB

MD5
6cafe176565b57d8636f93a60f2af284

SHA1
19289c44e65f30f4da11efdbcb7e564c6bc1c536

SHA256
0fb56ac6463527b2b86525f9663e72ec3e2ad480e6cbab2f80149eb5e95c9fd2

SHA512
1a12919838a086395ded6d1c20c37b462f14f1f39670642b8a9741bb9ed622234de0a9f8a1ebcb8d640b24f47fb46e0f9d83906e9dbbdcf507df4d9ad2b16a34

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4VT6R2QM\al2o9zrvru7aqj8e1x2rzsrca[1].ico

Filesize
24KB

MD5
b2ccd167c908a44e1dd69df79382286a

SHA1
d9349f1bdcf3c1556cd77ae1f0029475596342aa

SHA256
19b079c09197fba68d021fa3ba394ec91703909ffd237efa3eb9a2bca13148ec

SHA512
a95feb4454f74d54157e69d1491836655f2fee7991f0f258587e80014f11e2898d466a6d57a574f59f6e155872218829a1a3dc1ad5f078b486e594e08f5a6f8d

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4VT6R2QM\favicon[1].ico

Filesize
1KB

MD5
9ad5656e945aca883b4d28c4d0ac4b45

SHA1
70f5157a8a4dc5a924abad83309d2859cf241ef6

SHA256
6aec45ec9ed43941a46eba5b713029748632be08103bbcef74f8eb5dc1d7e58b

SHA512
4dfba2a9292302d60cff9af5c9ad38bb0231c07fe445ee682af73bfd1468dbaf1972712d1810e6ea721c4e91ea1be766a1681d6b1fbb60537cf2bec9d1fab281

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4VT6R2QM\favicon[1].ico

Filesize
1KB

MD5
9ad5656e945aca883b4d28c4d0ac4b45

SHA1
70f5157a8a4dc5a924abad83309d2859cf241ef6

SHA256
6aec45ec9ed43941a46eba5b713029748632be08103bbcef74f8eb5dc1d7e58b

SHA512
4dfba2a9292302d60cff9af5c9ad38bb0231c07fe445ee682af73bfd1468dbaf1972712d1810e6ea721c4e91ea1be766a1681d6b1fbb60537cf2bec9d1fab281

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\U4IULL1L\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit