Analysis
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max time kernel
84s -
max time network
87s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
25-05-2022 17:22
Behavioral task
behavioral1
Sample
DOCS6458-052022.pdf
Resource
win7-20220414-en
General
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Target
DOCS6458-052022.pdf
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Size
30KB
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MD5
8f8b13c74c5bed200adb74839d224c27
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SHA1
53cfb51863a3f10e87f3ab00927193f4378b2102
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SHA256
bb21c56f0340aab42f68996dce5e49bd13f2c6562fcbaf8f275d6fd0ab1b169a
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SHA512
6e10979ac693458db3feda2ba368b0fe708d422cfb154ee472978ab98e915188855151934236013e18c708919a77e955c550e5971bf8defa55a0e6e947a4dab4
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
firefox.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature firefox.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 firefox.exe -
Processes:
iexplore.exeIEXPLORE.EXEIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000850f07ecb424934d8f5a48a59e73cec0000000000200000000001066000000010000200000009d859446930ad48ab3a9632160641452ecd1183b87812b2d11b9ce5c7004ca15000000000e80000000020000200000008cdaab3eca890ea39d22a1a697fecb7aed91467eead5b83e747c2835fb242a112000000066be1f5e011971c6cafb7c73d249ddb1771f7468a5fc760bf8a0d49355183ed840000000e10b04852d5bed57c4635f5a3725faa8dd42f1572bd4dc4cf919018ffa4fffc51f6c40151d5c83679c0e7a0253cecd73c242f2f037ea182b45b64abab1be3e85 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0cb16dc6c70d801 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "360271537" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{0BAAC9A1-DC60-11EC-A45D-66E616BC8074} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe -
Modifies registry class 2 IoCs
Processes:
firefox.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_Classes\Local Settings firefox.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache firefox.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
firefox.exedescription pid process Token: SeDebugPrivilege 1956 firefox.exe Token: SeDebugPrivilege 1956 firefox.exe -
Suspicious use of FindShellTrayWindow 5 IoCs
Processes:
iexplore.exefirefox.exepid process 1172 iexplore.exe 1956 firefox.exe 1956 firefox.exe 1956 firefox.exe 1956 firefox.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
firefox.exepid process 1956 firefox.exe 1956 firefox.exe 1956 firefox.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
AcroRd32.exeiexplore.exeIEXPLORE.EXEIEXPLORE.EXEpid process 1664 AcroRd32.exe 1664 AcroRd32.exe 1664 AcroRd32.exe 1664 AcroRd32.exe 1172 iexplore.exe 1172 iexplore.exe 528 IEXPLORE.EXE 528 IEXPLORE.EXE 528 IEXPLORE.EXE 528 IEXPLORE.EXE 948 IEXPLORE.EXE 948 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeiexplore.exefirefox.exefirefox.exedescription pid process target process PID 1664 wrote to memory of 1172 1664 AcroRd32.exe iexplore.exe PID 1664 wrote to memory of 1172 1664 AcroRd32.exe iexplore.exe PID 1664 wrote to memory of 1172 1664 AcroRd32.exe iexplore.exe PID 1664 wrote to memory of 1172 1664 AcroRd32.exe iexplore.exe PID 1172 wrote to memory of 528 1172 iexplore.exe IEXPLORE.EXE PID 1172 wrote to memory of 528 1172 iexplore.exe IEXPLORE.EXE PID 1172 wrote to memory of 528 1172 iexplore.exe IEXPLORE.EXE PID 1172 wrote to memory of 528 1172 iexplore.exe IEXPLORE.EXE PID 1172 wrote to memory of 948 1172 iexplore.exe IEXPLORE.EXE PID 1172 wrote to memory of 948 1172 iexplore.exe IEXPLORE.EXE PID 1172 wrote to memory of 948 1172 iexplore.exe IEXPLORE.EXE PID 1172 wrote to memory of 948 1172 iexplore.exe IEXPLORE.EXE PID 240 wrote to memory of 1956 240 firefox.exe firefox.exe PID 240 wrote to memory of 1956 240 firefox.exe firefox.exe PID 240 wrote to memory of 1956 240 firefox.exe firefox.exe PID 240 wrote to memory of 1956 240 firefox.exe firefox.exe PID 240 wrote to memory of 1956 240 firefox.exe firefox.exe PID 240 wrote to memory of 1956 240 firefox.exe firefox.exe PID 240 wrote to memory of 1956 240 firefox.exe firefox.exe PID 240 wrote to memory of 1956 240 firefox.exe firefox.exe PID 240 wrote to memory of 1956 240 firefox.exe firefox.exe PID 240 wrote to memory of 1956 240 firefox.exe firefox.exe PID 1956 wrote to memory of 2052 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2052 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2052 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe PID 1956 wrote to memory of 2188 1956 firefox.exe firefox.exe
Processes
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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\DOCS6458-052022.pdf"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" https://shareyourdocs-rem.online/2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1172 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1172 CREDAT:275461 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe"2⤵
- Checks processor information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1956.0.1670432302\1875272528" -parentBuildID 20200403170909 -prefsHandle 1200 -prefMapHandle 1192 -prefsLen 1 -prefMapSize 219698 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1956 "\\.\pipe\gecko-crash-server-pipe.1956" 1300 gpu3⤵
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1956.3.617359190\1502902558" -childID 1 -isForBrowser -prefsHandle 1108 -prefMapHandle 1576 -prefsLen 156 -prefMapSize 219698 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1956 "\\.\pipe\gecko-crash-server-pipe.1956" 1796 tab3⤵
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1956.13.1836842296\386641460" -childID 2 -isForBrowser -prefsHandle 2624 -prefMapHandle 2620 -prefsLen 6932 -prefMapSize 219698 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1956 "\\.\pipe\gecko-crash-server-pipe.1956" 2632 tab3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\K4EVD73E.txtFilesize
604B
MD5a33bb45616d4f41b74a715dcfe31fdab
SHA11fe692fe2274bb08eb3599ee32447f87037ef9b9
SHA256e46b4f19d26dfc2a37de6eec4c755e5188feb1aab27a912bcb46e349f4b1b17c
SHA5126af83fbf3e56c87ba383514ee1582e1cd3699533caec5ab0e218627c2ee0b2db665c857d44b98d121eda80292e363393c517dee50b8264b593d0b3251efab018
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memory/1664-54-0x00000000761F1000-0x00000000761F3000-memory.dmpFilesize
8KB