hxxps://1drv[.]ms/b/s!Ai6Ip-tyLRzhb31oiGHWMnJv9LI

Analysis

max time kernel
74s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
31/05/2023, 13:30

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General

Target

https://1drv.ms/b/s!Ai6Ip-tyLRzhb31oiGHWMnJv9LI

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31036372"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3839503828"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3850128363"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c064dff8d493d901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{10697A88-FFC8-11ED-9156-6A8031F758F8} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3839503828"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 106bc0f8d493d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000004c99e7b791b0c344be47fa17b0b81e1d000000000200000000001066000000010000200000000c01610b70403790f24a16cbb0715359ad1f0dcf8d4820718c482edc5f4da95a000000000e8000000002000020000000a3727e2c2eb43594facf4a62f0070bc7d1a57a1a81d564047e8911b4edcb5400200000004959a787699066c39f868309c897a270b94a5a0b756f7b020ed33e13149018094000000004de68a1b7910067a10a3f99d9fc204263a520ab05b9b40b43b0305eef610f18225d960a0f04bfb5aaa14cf42f6452154216dac98d99fdc793346e62f55b7961	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "392312007"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000004c99e7b791b0c344be47fa17b0b81e1d000000000200000000001066000000010000200000003b4a9abfefd662f4b12ab076adf83bad50f7c94dd97070356406dd72562c7260000000000e8000000002000020000000d4e9fd223c8e00dcecd10b4f7e06b404e4cacf0c051a1cc2c704694ec949201b20000000ae99a21c46c2489ef989ab4d9a1a8cf115639a1b36f85a8b8b44046e97914e754000000017783029993cbcae5dd8a9d9f2900fe39b5961dc3108482c1a53bff0f9d62922d02525338eca75380f5594c4879278fdb9ec382f37691bedbf72e04fafccc54d	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31036372"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31036372"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1688	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1688	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1688	iexplore.exe
1688	iexplore.exe
3520	IEXPLORE.EXE
3520	IEXPLORE.EXE
3520	IEXPLORE.EXE
3520	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 3520	1688	iexplore.exe	82
PID 1688 wrote to memory of 3520	1688	iexplore.exe	82
PID 1688 wrote to memory of 3520	1688	iexplore.exe	82

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://1drv.ms/b/s!Ai6Ip-tyLRzhb31oiGHWMnJv9LI
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1688 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3520

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\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442

Filesize
1KB

MD5
92339b746839e9aaa0ffd35c86d828ef

SHA1
f882cfbd0df5c0d36f81a638c395c2d801870033

SHA256
4edf525c9c69de7d35a1b686eea22b8932cfc303b312702e28e6e39ad85f548d

SHA512
3e99644cf7789e5003a36508fa474696be3d5f74f3b6cf213d5d75552e170de288e576d4e3ae7662acf418b3da4ebadb87cbd775cfaf6d7a4da1595e37887883

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

Filesize
471B

MD5
080320bb3fe7e7f860019942e6f77f9c

SHA1
2d6f3813b1ed7972c01df6330eb3b0c30339eda9

SHA256
9eb11d5a62c35054e50d193211638a08c9b94d5b360f943df4124e28ab793a6f

SHA512
9def7fa57fc58af72dc374f0ca010107585a355ffcb3c1d3b99064a455acf3fe8ed7d42052234fe2d042b5ccda8af4ba16a8b2dd882b01f0be7edb8cf7aa8944

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442

Filesize
416B

MD5
e9d85d8192edd9bbb1fc2a5e868fcb15

SHA1
f341d71981fcef517c7d49138e900c30d8ac403f

SHA256
e0e8a5395dc846d1d8b7c4f9509210d0c29d428b535de03de639e9a8e5e0d496

SHA512
2ec9c5e84246ec6f18ed6ea6a6171ffb4d53d87d77310b60605a9d45e15d43d9796fe90d8f760a3bb3de4f149cf4115b7b4b930674344402214fe5b2331a0bc8

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

Filesize
404B

MD5
75c284ae0224f5b3207b567acbcea11f

SHA1
9e1e7339ec738f8069a1e19bb34104153e2a1adb

SHA256
1dab6fb65b4f3120df510864cdf7b5b7681d772634c8ca13f8798cbbe19e1c3e

SHA512
ba6ee73c048b4f56edd91a1aca9d0ea1f42924d88bc0b654d5be53bbf03e40889d42e6c0abe1bad28d96ba764814025c241f385cca84609fd3a744485a3c2d5c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\95fmw5u\imagestore.dat

Filesize
8KB

MD5
482199af67a7d0ef3c0617210e8d74a7

SHA1
92ac9463a58c426a76d3c99e6f4f4fa074c45d4a

SHA256
fba36df91ae40b0ee2bab446404b16d204135491f082623df93095f23f428dea

SHA512
c094d70a3da1870e9b1a082b772ebd5980343b19d4879d9f869ab0fe14659ba7a5170d33a3de8bd6f6d852bfad6000e1b323df61a6b593956c65c98f1c92b882

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JXO1ZP0L\favicon[1].ico

Filesize
7KB

MD5
604adfb53677b5ca4f910ffb131b3e7c

SHA1
5f1a0fb4e4ad3707e591ce16352158263488ed70

SHA256
24638331466a52bb66f912090e7a9cc9e3df2236e39c187c9409104526b472b0

SHA512
35f618f42adfee6d1335c67f729c298789419fe2930371a91683f60481794488dfaf15b572e6fc1be70833ef12dfe57432725f6336b6b73dcfb52596f57f30a5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JXO1ZP0L\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit