f5765fc7ebec73760b00ed087dcb2e7dd91700ef13889b537cfb35dca73c03b7

Analysis

max time kernel
137s
max time network
168s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
09/02/2023, 12:47

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General

Target

Citadele1018.pdf
Size

72KB
MD5

4e9a48842158e4e906a737b3d388ed09
SHA1

b5f1d62457154f4acb224e27266b74cb1c739784
SHA256

f5765fc7ebec73760b00ed087dcb2e7dd91700ef13889b537cfb35dca73c03b7
SHA512

1daf2cdddafb52b1b59e3460223fd5ab2fc1a61f6524e5711a5d6cc47cd64b0dcd1e2f62cc78f6f51fc2dd40880b36d73380800729d51b812cd3cce89940a8cc
SSDEEP

1536:0Gd7qHFtOKZipQCTZ89YTVexztdT1pI0MLQF2C/hyli:1d7ibOkipQCTZ8mTVojT14VC/hf

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E694FF31-A880-11ED-8CB6-56A236AC5043} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382715687"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 1085bfec8d3cd901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000256ed27e8919d04f83812f84ee5c95da00000000020000000000106600000001000020000000a17783f429ad47489d5fe25c8597ea9252fbe908f7cd75820819faebff046afc000000000e80000000020000200000005b37e99d5682e18edb53e5d51dc1d2e752573a1fe82d315900912dbccb82818f200000008450f9bd420166e659a1dca697b8426e81567491fba7fda668eadcb706b2e40a400000008e0f0f8d9e56c74fb5e8429def4efdbb09358883d524c824b76916476f58abf56b2853f19aa989bc30be1da44e52838eb3e09c406a6f38b04c95b1800974138e	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2004	AcroRd32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1248	iexplore.exe
1160	msdt.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
1248	iexplore.exe
1248	iexplore.exe
1972	IEXPLORE.EXE
1972	IEXPLORE.EXE
1972	IEXPLORE.EXE
1972	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1248	2004	AcroRd32.exe	28
PID 2004 wrote to memory of 1248	2004	AcroRd32.exe	28
PID 2004 wrote to memory of 1248	2004	AcroRd32.exe	28
PID 2004 wrote to memory of 1248	2004	AcroRd32.exe	28
PID 1248 wrote to memory of 1972	1248	iexplore.exe	30
PID 1248 wrote to memory of 1972	1248	iexplore.exe	30
PID 1248 wrote to memory of 1972	1248	iexplore.exe	30
PID 1248 wrote to memory of 1972	1248	iexplore.exe	30
PID 1972 wrote to memory of 1160	1972	IEXPLORE.EXE	32
PID 1972 wrote to memory of 1160	1972	IEXPLORE.EXE	32
PID 1972 wrote to memory of 1160	1972	IEXPLORE.EXE	32
PID 1972 wrote to memory of 1160	1972	IEXPLORE.EXE	32

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Citadele1018.pdf"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" https://portaldoaluno.visaoportal.com.br/.well-known/pki-validation/z/aspx.php
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1248
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1248 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1972
  - - C:\Windows\SysWOW64\msdt.exe
      -modal 65982 -skip TRUE -path C:\Windows\diagnostics\system\networking -af C:\Users\Admin\AppData\Local\Temp\NDF2149.tmp -ep NetworkDiagnosticsWeb
      4⤵
      Suspicious use of FindShellTrayWindow
      PID:1160

C:\Windows\SysWOW64\sdiagnhost.exe
C:\Windows\SysWOW64\sdiagnhost.exe -Embedding
1⤵
PID:1548

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\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
115f68a14061832d7ac7e1a997834789

SHA1
ddfbbb34bca36d1e1b1667585cd9689144a01402

SHA256
33000d2878168b14a21ac0ed6f24f784537dc3189e8b98dcf0d92e6af2450f7e

SHA512
bcb4aeaef4d3657f08c7a1fac54f7e3a75e1b1b91d8d2d3e1a515aa0de45367a0abfc909956584df3094d9984b0d0f7c1ce42d19c46540a9178caa32fe032715

Download Submit
C:\Users\Admin\AppData\Local\Temp\NDF2149.tmp

Filesize
3KB

MD5
4423a9556e457494c87c4911d5e75c71

SHA1
ce5a38ae50ab8de73ebb52415239bcf14eefff23

SHA256
d552c0c354bde01ec3f3e3f853bc4e6685a495d79efe539e865c7e1c9018b588

SHA512
8dc1c3aa073159fc6006a79318c348da3eeff0d30ac11499c19f3d7bb4f6ff8b1614bcaad6b8ee366987a1807739d962f9056a6f486d6cef37cf592715b5a3ed

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\AE79MRPI.txt

Filesize
605B

MD5
0d11d2e47d0c80eeaf0f0d8870d9583d

SHA1
61acc8b75ce9a472a390186cf5af77034c28af40

SHA256
325e60eda094e2f54d3e48399e69273e9fe6af717d675914f7df56e42309e44b

SHA512
7f38012ea1ee05abaede1098aa7d0c8b31fca625286ff76673dedb0e861f623a54569ef7893f049bc82a4970512e3431cd070fc52658142ae11929f2e4b275b1

Download Submit
C:\Windows\TEMP\SDIAG_f611e258-ce33-4f1f-b316-b595aa212b10\NetworkDiagnosticsTroubleshoot.ps1

Filesize
23KB

MD5
1d192ce36953dbb7dc7ee0d04c57ad8d

SHA1
7008e759cb47bf74a4ea4cd911de158ef00ace84

SHA256
935a231924ae5d4a017b0c99d4a5f3904ef280cea4b3f727d365283e26e8a756

SHA512
e864ac74e9425a6c7f1be2bbc87df9423408e16429cb61fa1de8875356226293aa07558b2fafdd5d0597254474204f5ba181f4e96c2bc754f1f414748f80a129

Download Submit
C:\Windows\TEMP\SDIAG_f611e258-ce33-4f1f-b316-b595aa212b10\UtilityFunctions.ps1

Filesize
52KB

MD5
2f7c3db0c268cf1cf506fe6e8aecb8a0

SHA1
fb35af6b329d60b0ec92e24230eafc8e12b0a9f9

SHA256
886a625f71e0c35e5722423ed3aa0f5bff8d120356578ab81a64de2ab73d47f3

SHA512
322f2b1404a59ee86c492b58d56b8a6ed6ebc9b844a8c38b7bb0b0675234a3d5cfc9f1d08c38c218070e60ce949aa5322de7a2f87f952e8e653d0ca34ff0de45

Download Submit
C:\Windows\TEMP\SDIAG_f611e258-ce33-4f1f-b316-b595aa212b10\UtilitySetConstants.ps1

Filesize
2KB

MD5
0c75ae5e75c3e181d13768909c8240ba

SHA1
288403fc4bedaacebccf4f74d3073f082ef70eb9

SHA256
de5c231c645d3ae1e13694284997721509f5de64ee5c96c966cdfda9e294db3f

SHA512
8fc944515f41a837c61a6c4e5181ca273607a89e48fbf86cf8eb8db837aed095aa04fc3043029c3b5cb3710d59abfd86f086ac198200f634bfb1a5dd0823406b

Download Submit
C:\Windows\TEMP\SDIAG_f611e258-ce33-4f1f-b316-b595aa212b10\en-US\LocalizationData.psd1

Filesize
5KB

MD5
dc9be0fdf9a4e01693cfb7d8a0d49054

SHA1
74730fd9c9bd4537fd9a353fe4eafce9fcc105e6

SHA256
944186cd57d6adc23a9c28fc271ed92dd56efd6f3bb7c9826f7208ea1a1db440

SHA512
92ad96fa6b221882a481b36ff2b7114539eb65be46ee9e3139e45b72da80aac49174155483cba6254b10fff31f0119f07cbc529b1b69c45234c7bb61766aad66

Download Submit
memory/1160-60-0x000000006DFD1000-0x000000006DFD3000-memory.dmp

Filesize
8KB

Download
memory/1548-62-0x000000006D950000-0x000000006DEFB000-memory.dmp

Filesize
5.7MB

Download
memory/1548-67-0x000000006D950000-0x000000006DEFB000-memory.dmp

Filesize
5.7MB

Download
memory/2004-54-0x0000000076651000-0x0000000076653000-memory.dmp

Filesize
8KB

Download