Overview
overview
10Static
static
3DOCU_95773...DF.exe
windows7-x64
10DOCU_95773...DF.exe
windows10-2004-x64
10$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3Azotemic/D...ds.vbs
windows7-x64
1Azotemic/D...ds.vbs
windows10-2004-x64
1Oppriorite...og.dll
windows7-x64
1Oppriorite...og.dll
windows10-2004-x64
1Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31-01-2024 11:06
Static task
static1
Behavioral task
behavioral1
Sample
DOCU_957735271647895846_PDF.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
DOCU_957735271647895846_PDF.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
Azotemic/Discontinuations/Lydkort/keywords.vbs
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
Azotemic/Discontinuations/Lydkort/keywords.vbs
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
Opprioriter/Brugerinterface/Belbsfeltet/Algores/vtablog.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
Opprioriter/Brugerinterface/Belbsfeltet/Algores/vtablog.dll
Resource
win10v2004-20231215-en
General
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Target
DOCU_957735271647895846_PDF.exe
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Size
618KB
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MD5
31730b69ca484889e8a5c1735857de26
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SHA1
132aa2c7565cb05760ff80752239aac47917097c
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SHA256
b8a5f88f60837143f18dd1494a7195ac283b91d068668d1d34b4994a8148641c
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SHA512
235af5322f3632cd42d3f38dfc7ddac6bd5e5e489b34f243f1ca7d4f56b672dfcb8a150f2fb48043b9fd11c8df92611bb336877d2d232a89523339708c2b252c
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SSDEEP
12288:MkKnLVq69Hrc82yTPZodHtRWztKK7RG1Jz8Ap2x9c8Q04fz/sGoisDsCVVLRpf/T:AQy6ONsqLRpf/O1/zijTrT
Malware Config
Signatures
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Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
DOCU_957735271647895846_PDF.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation DOCU_957735271647895846_PDF.exe -
Loads dropped DLL 5 IoCs
Processes:
DOCU_957735271647895846_PDF.exeDOCU_957735271647895846_PDF.exepid process 1004 DOCU_957735271647895846_PDF.exe 4232 DOCU_957735271647895846_PDF.exe 4232 DOCU_957735271647895846_PDF.exe 4232 DOCU_957735271647895846_PDF.exe 4232 DOCU_957735271647895846_PDF.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
DOCU_957735271647895846_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook DOCU_957735271647895846_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook DOCU_957735271647895846_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook DOCU_957735271647895846_PDF.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
DOCU_957735271647895846_PDF.exepid process 4232 DOCU_957735271647895846_PDF.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
DOCU_957735271647895846_PDF.exeDOCU_957735271647895846_PDF.exepid process 1004 DOCU_957735271647895846_PDF.exe 4232 DOCU_957735271647895846_PDF.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DOCU_957735271647895846_PDF.exedescription pid process target process PID 1004 set thread context of 4232 1004 DOCU_957735271647895846_PDF.exe DOCU_957735271647895846_PDF.exe -
Drops file in Windows directory 1 IoCs
Processes:
DOCU_957735271647895846_PDF.exedescription ioc process File opened for modification C:\Windows\Fonts\stepdansers\milieubeskyttelseslovene.ini DOCU_957735271647895846_PDF.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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:
DOCU_957735271647895846_PDF.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 DOCU_957735271647895846_PDF.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString DOCU_957735271647895846_PDF.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3156 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
DOCU_957735271647895846_PDF.exepid process 4232 DOCU_957735271647895846_PDF.exe 4232 DOCU_957735271647895846_PDF.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
DOCU_957735271647895846_PDF.exepid process 1004 DOCU_957735271647895846_PDF.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
DOCU_957735271647895846_PDF.exeDOCU_957735271647895846_PDF.execmd.exedescription pid process target process PID 1004 wrote to memory of 4232 1004 DOCU_957735271647895846_PDF.exe DOCU_957735271647895846_PDF.exe PID 1004 wrote to memory of 4232 1004 DOCU_957735271647895846_PDF.exe DOCU_957735271647895846_PDF.exe PID 1004 wrote to memory of 4232 1004 DOCU_957735271647895846_PDF.exe DOCU_957735271647895846_PDF.exe PID 1004 wrote to memory of 4232 1004 DOCU_957735271647895846_PDF.exe DOCU_957735271647895846_PDF.exe PID 1004 wrote to memory of 4232 1004 DOCU_957735271647895846_PDF.exe DOCU_957735271647895846_PDF.exe PID 4232 wrote to memory of 2220 4232 DOCU_957735271647895846_PDF.exe cmd.exe PID 4232 wrote to memory of 2220 4232 DOCU_957735271647895846_PDF.exe cmd.exe PID 4232 wrote to memory of 2220 4232 DOCU_957735271647895846_PDF.exe cmd.exe PID 2220 wrote to memory of 3156 2220 cmd.exe timeout.exe PID 2220 wrote to memory of 3156 2220 cmd.exe timeout.exe PID 2220 wrote to memory of 3156 2220 cmd.exe timeout.exe -
outlook_office_path 1 IoCs
Processes:
DOCU_957735271647895846_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook DOCU_957735271647895846_PDF.exe -
outlook_win_path 1 IoCs
Processes:
DOCU_957735271647895846_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook DOCU_957735271647895846_PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DOCU_957735271647895846_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DOCU_957735271647895846_PDF.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1004 -
C:\Users\Admin\AppData\Local\Temp\DOCU_957735271647895846_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DOCU_957735271647895846_PDF.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4232 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "DOCU_957735271647895846_PDF.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:2220 -
C:\Windows\SysWOW64\timeout.exeC:\Windows\system32\timeout.exe 34⤵
- Delays execution with timeout.exe
PID:3156
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
135KB
MD59e682f1eb98a9d41468fc3e50f907635
SHA185e0ceca36f657ddf6547aa0744f0855a27527ee
SHA256830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
SHA512230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
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Filesize
429KB
MD5109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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Filesize
1.1MB
MD50ed15ffd010c5c8e4508ecc0cf2dbbec
SHA102c5b5e7aff0028399b81d5988e279cdac739a35
SHA256582724dd78cf33ff9fead74a85e80788ec9f99dc23367e099b933f5ad4509a17
SHA512ae68aeff2d4c17cbd59e9e9fc5f4313f024c87eab89c1670bcb85480d4ab1afb5d93dc66cb8fd3519468157a73620e95a64fd15ff90ce056b453100cba79a162
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Filesize
81KB
MD57587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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Filesize
11KB
MD517ed1c86bd67e78ade4712be48a7d2bd
SHA11cc9fe86d6d6030b4dae45ecddce5907991c01a0
SHA256bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
SHA5120cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5