4beb397ea49948dfead829e3744ade15310b7b55d44dfcd17001924f23e107e3

General

Target

2021-2022 DOL BID PROCEDURE.pdf
Size

332KB
MD5

0e3612118f3398baa0096f45db420a89
SHA1

31cfb490faab1d20fd22a7f8de5075d2514f756b
SHA256

4beb397ea49948dfead829e3744ade15310b7b55d44dfcd17001924f23e107e3
SHA512

6f043285c0a7a6ab4bbb4d4f3dd482647d66b6dd65ffea606d3b6ec1c8410feef4f08020e993f28186a6d777f06349813b3cc3db04ea635e8d48fc2ea8597188

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005bf5749d3a275447873d564a46cb193600000000020000000000106600000001000020000000476b5b1b248145defe7f24e73dbcb7be8ef884651fbd0bd3bce666fa09f8e8d2000000000e80000000020000200000005d3c9c3bd590d687e71f55e58f8ff43c4e063355c426f1ec65f33eb43c3dd92d200000008608a4220c3b3e977c19f362897f43119e955de10c6ff0b01c1687cff8c2aed640000000f1ae6b8dba7114fb921ca022df4bbcf9856c5af7de54a7d3532b4790b6940f91db7c6e257d6834f2b9951cbb4e3447bef677dc2a2e41d895d19231933c005c30	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{20197161-57AC-11EC-9DDC-4E551F90B01D} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80356700b9ebd701	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

1540 AcroRd32.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1320 iexplore.exe

pid	process
1320	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

AcroRd32.exeiexplore.exeIEXPLORE.EXE

pid	process
1540	AcroRd32.exe
1540	AcroRd32.exe
1540	AcroRd32.exe
1540	AcroRd32.exe
1320	iexplore.exe
1320	iexplore.exe
808	IEXPLORE.EXE
808	IEXPLORE.EXE
808	IEXPLORE.EXE
808	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

AcroRd32.exeiexplore.exe

description	pid	process	target process
PID 1540 wrote to memory of 1320	1540	AcroRd32.exe	iexplore.exe
PID 1540 wrote to memory of 1320	1540	AcroRd32.exe	iexplore.exe
PID 1540 wrote to memory of 1320	1540	AcroRd32.exe	iexplore.exe
PID 1540 wrote to memory of 1320	1540	AcroRd32.exe	iexplore.exe
PID 1320 wrote to memory of 808	1320	iexplore.exe	IEXPLORE.EXE
PID 1320 wrote to memory of 808	1320	iexplore.exe	IEXPLORE.EXE
PID 1320 wrote to memory of 808	1320	iexplore.exe	IEXPLORE.EXE
PID 1320 wrote to memory of 808	1320	iexplore.exe	IEXPLORE.EXE

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\2021-2022 DOL BID PROCEDURE.pdf"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1540

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://us-dolbids.us/374645hdhd7847457
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1320

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1320 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:808

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/808-57-0x0000000000000000-mapping.dmp

Download
memory/1320-56-0x0000000000000000-mapping.dmp

Download
memory/1540-55-0x00000000754A1000-0x00000000754A3000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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