Overview
overview
10Static
static
3UTN RFP_24...df.exe
windows7-x64
10UTN RFP_24...df.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
146s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
28-06-2024 11:01
Static task
static1
Behavioral task
behavioral1
Sample
UTN RFP_24-0676·pdf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
UTN RFP_24-0676·pdf.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/AdvSplash.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/AdvSplash.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/BgImage.dll
Resource
win7-20240611-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/BgImage.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240419-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
General
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Target
UTN RFP_24-0676·pdf.exe
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Size
648KB
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MD5
46d344ac5d61310c1cd684df5c0fce60
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SHA1
8c880aea409374355474de41f8d9541c4100679c
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SHA256
99a956bbed42d1b5d3a07068d0ceee00a3259f34c94cfa182e68483b5fd7ccce
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SHA512
f7de4725eab0e5d31fb838dc26a798a4a8d180cdee10a6d27a0414b903c9bd355ba847439efed22688c33636261229becab77ad4f326f962224a968eaa852241
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SSDEEP
12288:zsB4GODGRIKcMmUKzj8SSQbkox3tO8dgDWSeeIh:I4GODqIKdmUKzj8LwWKS7E
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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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:
UTN RFP_24-0676·pdf.exepid process 1260 UTN RFP_24-0676·pdf.exe 1260 UTN RFP_24-0676·pdf.exe 1260 UTN RFP_24-0676·pdf.exe 1260 UTN RFP_24-0676·pdf.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
wab.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook wab.exe Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook wab.exe Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook wab.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 1648 wab.exe 1648 wab.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
powershell.exewab.exepid process 1204 powershell.exe 1648 wab.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 1204 set thread context of 1648 1204 powershell.exe wab.exe -
Drops file in Windows directory 1 IoCs
Processes:
UTN RFP_24-0676·pdf.exedescription ioc process File opened for modification C:\Windows\Fonts\anorakkerne.ini UTN RFP_24-0676·pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
powershell.exepid process 1204 powershell.exe 1204 powershell.exe 1204 powershell.exe 1204 powershell.exe 1204 powershell.exe 1204 powershell.exe 1204 powershell.exe 1204 powershell.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
powershell.exepid process 1204 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exewab.exedescription pid process Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 1648 wab.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
UTN RFP_24-0676·pdf.exepowershell.exedescription pid process target process PID 1260 wrote to memory of 1204 1260 UTN RFP_24-0676·pdf.exe powershell.exe PID 1260 wrote to memory of 1204 1260 UTN RFP_24-0676·pdf.exe powershell.exe PID 1260 wrote to memory of 1204 1260 UTN RFP_24-0676·pdf.exe powershell.exe PID 1260 wrote to memory of 1204 1260 UTN RFP_24-0676·pdf.exe powershell.exe PID 1204 wrote to memory of 1648 1204 powershell.exe wab.exe PID 1204 wrote to memory of 1648 1204 powershell.exe wab.exe PID 1204 wrote to memory of 1648 1204 powershell.exe wab.exe PID 1204 wrote to memory of 1648 1204 powershell.exe wab.exe PID 1204 wrote to memory of 1648 1204 powershell.exe wab.exe PID 1204 wrote to memory of 1648 1204 powershell.exe wab.exe -
outlook_office_path 1 IoCs
Processes:
wab.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook wab.exe -
outlook_win_path 1 IoCs
Processes:
wab.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook wab.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\UTN RFP_24-0676·pdf.exe"C:\Users\Admin\AppData\Local\Temp\UTN RFP_24-0676·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 "$Arithmetizations=Get-Content 'C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\Avisomraadet.Ena72';$Aktionrforenings=$Arithmetizations.SubString(69214,3);.$Aktionrforenings($Arithmetizations)"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⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2297530677-1229052932-2803917579-1000\0f5007522459c86e95ffcc62f32308f1_63be8c66-23f0-4400-84bb-c1a439222555Filesize
46B
MD5d898504a722bff1524134c6ab6a5eaa5
SHA1e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA51226a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2297530677-1229052932-2803917579-1000\0f5007522459c86e95ffcc62f32308f1_63be8c66-23f0-4400-84bb-c1a439222555Filesize
46B
MD5c07225d4e7d01d31042965f048728a0a
SHA169d70b340fd9f44c89adb9a2278df84faa9906b7
SHA2568c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA51223d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b
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C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\Avisomraadet.Ena72Filesize
67KB
MD512704c1d30f51180728bc8547d94e11e
SHA1c7a8073985c9736be80c7df3ff3d5b35e897a8e9
SHA256399c4a3f638e08aa079e38e0e07f38a9d70b62b5b62e5c962cdf5e26b45bddc8
SHA512d17de067b4d66a075e6fd3697df2e056c74c086bfd47a3e1626d0c002b62444238007aecd9b410f13c5601eb911a795ecdeeb582de7cc0d64279b01322d87626
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C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\unfortify.FilFilesize
330KB
MD5ea1e46420465868957962addccbbc861
SHA1abd140d4788c3d22b05dc6f45bad92b5cfb3cbfd
SHA2569d95eb1bf8114c318ea18746ac6057691cd7b6a6e7bb0494444d51f705b95d06
SHA512f019505e3e03851f1ee02b2ec4b8612147a1d21bfee56288b711b5a38f5d7fbd67d24ee0c4b9c7b9a939702a566ab60133dcb3f0ab4a7cfdf86a4ef34a7a8494
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C:\Users\Admin\Pictures\slukningen.lnkFilesize
970B
MD5238162908f29aa402fa1a0d10f3eebcd
SHA13a2f3f7fcbc5852afc360edf0f6af956dda284c0
SHA2562ea198b43eb8ea5174a14f9fb045e1671c9ac37c5790e4269dfbf2717e35647b
SHA512ae265a5323c0fda33525523dc919204199c4d914aa0dbee938c4351effcdbe6d8fbdae2e87bd72c813813b850c2fcb1c399e5e2e568d171e49c627b8dde3fcba
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\Users\Admin\AppData\Local\Temp\nsi1D03.tmp\AdvSplash.dllFilesize
6KB
MD56def2cf3daf850acdc1a3e7340a439c4
SHA195d0d26f60cd5af697502cd5e53a54913ab188fb
SHA2563ec3cf21a99ab0533ec2c451df3b5542733f70b972089d5c321ad7ae3b87d175
SHA51216b1cf4783284d4a1282c569f5c416c713b4b339efcd4d3948bdf7da2194c597bd732d07ba9fabafcab323ba8c8da68845d4435ab9d1916b1810087ee1f5c413
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\Users\Admin\AppData\Local\Temp\nsi1D03.tmp\BgImage.dllFilesize
7KB
MD52bb17d45e5ad92053ce1e500408dd8a9
SHA1f5d3a7ee6e28df532e9ce33976c92ff30a5665e4
SHA25671ce676703dad028e4083e6b960b1ed89885877079d46d5021506eaa6d99db53
SHA512efdcb476b9b9b5691fe6b9cd77ecbe48d50c6683da01fd51c6b428cc262528fb3dcd295abe28718321b2307b0e032fcb599588f1eb00a93fd9e6a1f7b322b41f
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\Users\Admin\AppData\Local\Temp\nsi1D03.tmp\UserInfo.dllFilesize
4KB
MD58ef0e4eb7c89cdd2b552de746f5e2a53
SHA1820f681e7cec409a02b194a487d1c8af1038acf0
SHA25641293b9f6588e0fbdc8fcf2a9bd8e2b244cd5ff038fc13033378da337219c9dc
SHA512a68533e8a19637d0d44219549b24baba0dc4824424842f125600fda3edcafc4bb6bb340d57a00815f262d82373b440d58d6e4e5b2ceb29bb3f6bc4cbde66c3c5
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\Users\Admin\AppData\Local\Temp\nsi1D03.tmp\nsExec.dllFilesize
6KB
MD5c129bc26a26be6f5816a03520bb37833
SHA118100042155f948301701744b131c516bf26ddb8
SHA256d3694fa0503158194129d113fcc1c83177ff5a5f93d898ce0bcfe9ce12f06bf4
SHA512dbe79859c41e00a6e951cee889e7f0de29a712792fb531662285a2d6e384884518c7d5d983894c185b3d31d81213d2477cf4576b0114d352b759fe07a1704e63
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memory/1204-202-0x0000000073E40000-0x00000000743EB000-memory.dmpFilesize
5.7MB
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memory/1204-203-0x0000000073E40000-0x00000000743EB000-memory.dmpFilesize
5.7MB
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memory/1204-201-0x0000000073E40000-0x00000000743EB000-memory.dmpFilesize
5.7MB
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memory/1204-206-0x0000000073E40000-0x00000000743EB000-memory.dmpFilesize
5.7MB
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memory/1204-200-0x0000000073E40000-0x00000000743EB000-memory.dmpFilesize
5.7MB
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memory/1204-208-0x0000000073E40000-0x00000000743EB000-memory.dmpFilesize
5.7MB
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memory/1204-210-0x0000000073E40000-0x00000000743EB000-memory.dmpFilesize
5.7MB
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memory/1204-209-0x0000000006720000-0x0000000009235000-memory.dmpFilesize
43.1MB
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memory/1204-199-0x0000000073E41000-0x0000000073E42000-memory.dmpFilesize
4KB
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memory/1648-232-0x0000000000A90000-0x00000000035A5000-memory.dmpFilesize
43.1MB