Analysis
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max time kernel
150s -
max time network
90s -
platform
windows7_x64 -
resource
win7-20230621-en -
resource tags
arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system -
submitted
30/06/2023, 12:48
Static task
static1
Behavioral task
behavioral1
Sample
asdfg.exe
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
asdfg.exe
Resource
win10v2004-20230621-en
General
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Target
asdfg.exe
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Size
2.0MB
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MD5
69773ff9cddbe895d0c1a7c381e15d81
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SHA1
15a2796b6b77bd1f03eb0a30cfeb7e3c2f0a0631
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SHA256
fc6ddb1f7644597b84d14e3efa4cd1a1d1ad0083141b3fa2a613cd3c092f6505
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SHA512
550f9e02a7f1a1dc3734ba0d86940c2b298cee5890801aeba4f738bb306cdc717a6ecad34e2ebd2c3ac1b0151f2acae7131388f999a30ab9b914c3707a35544e
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SSDEEP
49152:NZVlrVqLTyYBYTKiJHZ+guvLN09WIfw8eZrjwMmPK:7hIGKiJk7LN09WKOdMMmy
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 1812 created 1260 1812 asdfg.exe 14 -
Deletes itself 1 IoCs
pid Process 1568 certreq.exe -
Executes dropped EXE 6 IoCs
pid Process 1588 BLIrlccnw.exe 1728 BLIrlccnw.exe 960 g%(A9%P)1.exe 1404 W3`F8M.exe 968 CanReuseTransform.exe 936 g%(A9%P)1.exe -
Loads dropped DLL 3 IoCs
pid Process 1992 asdfg.exe 1588 BLIrlccnw.exe 472 Process not Found -
Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook certreq.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1992 set thread context of 1812 1992 asdfg.exe 28 PID 1588 set thread context of 1728 1588 BLIrlccnw.exe 30 PID 960 set thread context of 936 960 g%(A9%P)1.exe 43 -
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.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 certreq.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString certreq.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1992 asdfg.exe 1812 asdfg.exe 1812 asdfg.exe 1812 asdfg.exe 1812 asdfg.exe 1288 powershell.exe 1568 certreq.exe 1568 certreq.exe 1568 certreq.exe 1568 certreq.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 1992 asdfg.exe Token: SeDebugPrivilege 1588 BLIrlccnw.exe Token: SeDebugPrivilege 1728 BLIrlccnw.exe Token: SeDebugPrivilege 1288 powershell.exe Token: SeDebugPrivilege 1404 W3`F8M.exe Token: SeDebugPrivilege 968 CanReuseTransform.exe Token: SeDebugPrivilege 960 g%(A9%P)1.exe -
Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 1992 wrote to memory of 1588 1992 asdfg.exe 27 PID 1992 wrote to memory of 1588 1992 asdfg.exe 27 PID 1992 wrote to memory of 1588 1992 asdfg.exe 27 PID 1992 wrote to memory of 1588 1992 asdfg.exe 27 PID 1992 wrote to memory of 456 1992 asdfg.exe 29 PID 1992 wrote to memory of 456 1992 asdfg.exe 29 PID 1992 wrote to memory of 456 1992 asdfg.exe 29 PID 1992 wrote to memory of 456 1992 asdfg.exe 29 PID 1992 wrote to memory of 1812 1992 asdfg.exe 28 PID 1992 wrote to memory of 1812 1992 asdfg.exe 28 PID 1992 wrote to memory of 1812 1992 asdfg.exe 28 PID 1992 wrote to memory of 1812 1992 asdfg.exe 28 PID 1992 wrote to memory of 1812 1992 asdfg.exe 28 PID 1992 wrote to memory of 1812 1992 asdfg.exe 28 PID 1992 wrote to memory of 1812 1992 asdfg.exe 28 PID 1992 wrote to memory of 1812 1992 asdfg.exe 28 PID 1992 wrote to memory of 1812 1992 asdfg.exe 28 PID 1992 wrote to memory of 1812 1992 asdfg.exe 28 PID 1588 wrote to memory of 1728 1588 BLIrlccnw.exe 30 PID 1588 wrote to memory of 1728 1588 BLIrlccnw.exe 30 PID 1588 wrote to memory of 1728 1588 BLIrlccnw.exe 30 PID 1588 wrote to memory of 1728 1588 BLIrlccnw.exe 30 PID 1588 wrote to memory of 1728 1588 BLIrlccnw.exe 30 PID 1588 wrote to memory of 1728 1588 BLIrlccnw.exe 30 PID 1588 wrote to memory of 1728 1588 BLIrlccnw.exe 30 PID 1588 wrote to memory of 1728 1588 BLIrlccnw.exe 30 PID 1588 wrote to memory of 1728 1588 BLIrlccnw.exe 30 PID 1812 wrote to memory of 1568 1812 asdfg.exe 32 PID 1812 wrote to memory of 1568 1812 asdfg.exe 32 PID 1812 wrote to memory of 1568 1812 asdfg.exe 32 PID 1812 wrote to memory of 1568 1812 asdfg.exe 32 PID 1812 wrote to memory of 1568 1812 asdfg.exe 32 PID 1812 wrote to memory of 1568 1812 asdfg.exe 32 PID 828 wrote to memory of 1288 828 taskeng.exe 36 PID 828 wrote to memory of 1288 828 taskeng.exe 36 PID 828 wrote to memory of 1288 828 taskeng.exe 36 PID 1256 wrote to memory of 968 1256 taskeng.exe 41 PID 1256 wrote to memory of 968 1256 taskeng.exe 41 PID 1256 wrote to memory of 968 1256 taskeng.exe 41 PID 1256 wrote to memory of 968 1256 taskeng.exe 41 PID 1404 wrote to memory of 1444 1404 W3`F8M.exe 42 PID 1404 wrote to memory of 1444 1404 W3`F8M.exe 42 PID 1404 wrote to memory of 1444 1404 W3`F8M.exe 42 PID 1404 wrote to memory of 1444 1404 W3`F8M.exe 42 PID 1404 wrote to memory of 1444 1404 W3`F8M.exe 42 PID 1404 wrote to memory of 1444 1404 W3`F8M.exe 42 PID 1404 wrote to memory of 1444 1404 W3`F8M.exe 42 PID 960 wrote to memory of 936 960 g%(A9%P)1.exe 43 PID 960 wrote to memory of 936 960 g%(A9%P)1.exe 43 PID 960 wrote to memory of 936 960 g%(A9%P)1.exe 43 PID 960 wrote to memory of 936 960 g%(A9%P)1.exe 43 PID 960 wrote to memory of 936 960 g%(A9%P)1.exe 43 PID 960 wrote to memory of 936 960 g%(A9%P)1.exe 43 PID 960 wrote to memory of 936 960 g%(A9%P)1.exe 43 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook certreq.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1260
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C:\Users\Admin\AppData\Local\Temp\asdfg.exe"C:\Users\Admin\AppData\Local\Temp\asdfg.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Users\Admin\AppData\Local\Temp\BLIrlccnw.exe"C:\Users\Admin\AppData\Local\Temp\BLIrlccnw.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1588 -
C:\Users\Admin\AppData\Local\Temp\BLIrlccnw.exeC:\Users\Admin\AppData\Local\Temp\BLIrlccnw.exe4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1728
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C:\Users\Admin\AppData\Local\Temp\asdfg.exeC:\Users\Admin\AppData\Local\Temp\asdfg.exe3⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1812
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C:\Users\Admin\AppData\Local\Temp\asdfg.exeC:\Users\Admin\AppData\Local\Temp\asdfg.exe3⤵PID:456
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C:\Windows\system32\certreq.exe"C:\Windows\system32\certreq.exe"2⤵
- Deletes itself
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:1568
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C:\Windows\system32\taskeng.exetaskeng.exe {5E9FA03A-B408-4C0C-849C-5583F8A6C5CA} S-1-5-21-3465915139-4244146034-2076118314-1000:MSOKFDFP\Admin:S4U:1⤵
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAA==2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1288
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C:\Users\Admin\AppData\Local\Microsoft\g%(A9%P)1.exe"C:\Users\Admin\AppData\Local\Microsoft\g%(A9%P)1.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Users\Admin\AppData\Local\Microsoft\g%(A9%P)1.exeC:\Users\Admin\AppData\Local\Microsoft\g%(A9%P)1.exe2⤵
- Executes dropped EXE
PID:936
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C:\Users\Admin\AppData\Local\Microsoft\W3`F8M.exe"C:\Users\Admin\AppData\Local\Microsoft\W3`F8M.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404 -
C:\Users\Admin\AppData\Local\Microsoft\W3`F8M.exeC:\Users\Admin\AppData\Local\Microsoft\W3`F8M.exe2⤵PID:1444
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C:\Windows\system32\taskeng.exetaskeng.exe {D360C02F-3409-4C81-BBED-7D4BB2687147} S-1-5-21-3465915139-4244146034-2076118314-1000:MSOKFDFP\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Users\Admin\AppData\Local\EventProvider\bttjszm\CanReuseTransform.exeC:\Users\Admin\AppData\Local\EventProvider\bttjszm\CanReuseTransform.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:968
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.2MB
MD5fc6f64c6b52d80c505cc7d6f04d0952e
SHA11c472c2ceb83bfcd5adc6770e35594a5b0ec5390
SHA256c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040
SHA512cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c
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Filesize
1.2MB
MD5fc6f64c6b52d80c505cc7d6f04d0952e
SHA11c472c2ceb83bfcd5adc6770e35594a5b0ec5390
SHA256c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040
SHA512cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c
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Filesize
1.2MB
MD5fc6f64c6b52d80c505cc7d6f04d0952e
SHA11c472c2ceb83bfcd5adc6770e35594a5b0ec5390
SHA256c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040
SHA512cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c
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Filesize
723KB
MD5db9ec5471187e3b53474ba5ec0ff8aef
SHA15dcf84d2cae765f57e1ea396f352873c8f84fe2a
SHA256d1d6d0594f022fe3294417fe335b8d10e8e8853114546eb916b882a8b6ee276b
SHA512bc807cef37c1337d4a6221035963b6efab80a1554354d0b425c4a8dde93a01af1da2578fdacad4f25566b9a05132d66633a769609b0ea98d84369017a9185bd1
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Filesize
723KB
MD5db9ec5471187e3b53474ba5ec0ff8aef
SHA15dcf84d2cae765f57e1ea396f352873c8f84fe2a
SHA256d1d6d0594f022fe3294417fe335b8d10e8e8853114546eb916b882a8b6ee276b
SHA512bc807cef37c1337d4a6221035963b6efab80a1554354d0b425c4a8dde93a01af1da2578fdacad4f25566b9a05132d66633a769609b0ea98d84369017a9185bd1
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Filesize
1.3MB
MD5eb6f02de5404da7420856701fda7f9c3
SHA101753d8cd1efa2b2fbbad073cbd018790c4b869a
SHA256ab17190f4061245a370971422a902e32dbd1a559fbf2d37c5b057e907ae7019a
SHA51223ffd99e2584ce931663dacab3243f35586288096fc6dc1bb0d18767c61817218eeb847a97acc1a78b53cbf007b567afe27994b3faa7249864775436c814e4c0
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Filesize
1.3MB
MD5eb6f02de5404da7420856701fda7f9c3
SHA101753d8cd1efa2b2fbbad073cbd018790c4b869a
SHA256ab17190f4061245a370971422a902e32dbd1a559fbf2d37c5b057e907ae7019a
SHA51223ffd99e2584ce931663dacab3243f35586288096fc6dc1bb0d18767c61817218eeb847a97acc1a78b53cbf007b567afe27994b3faa7249864775436c814e4c0
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Filesize
1.3MB
MD5eb6f02de5404da7420856701fda7f9c3
SHA101753d8cd1efa2b2fbbad073cbd018790c4b869a
SHA256ab17190f4061245a370971422a902e32dbd1a559fbf2d37c5b057e907ae7019a
SHA51223ffd99e2584ce931663dacab3243f35586288096fc6dc1bb0d18767c61817218eeb847a97acc1a78b53cbf007b567afe27994b3faa7249864775436c814e4c0
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Filesize
1.2MB
MD5fc6f64c6b52d80c505cc7d6f04d0952e
SHA11c472c2ceb83bfcd5adc6770e35594a5b0ec5390
SHA256c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040
SHA512cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c
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Filesize
1.2MB
MD5fc6f64c6b52d80c505cc7d6f04d0952e
SHA11c472c2ceb83bfcd5adc6770e35594a5b0ec5390
SHA256c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040
SHA512cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c
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Filesize
1.2MB
MD5fc6f64c6b52d80c505cc7d6f04d0952e
SHA11c472c2ceb83bfcd5adc6770e35594a5b0ec5390
SHA256c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040
SHA512cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c
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Filesize
1.3MB
MD5eb6f02de5404da7420856701fda7f9c3
SHA101753d8cd1efa2b2fbbad073cbd018790c4b869a
SHA256ab17190f4061245a370971422a902e32dbd1a559fbf2d37c5b057e907ae7019a
SHA51223ffd99e2584ce931663dacab3243f35586288096fc6dc1bb0d18767c61817218eeb847a97acc1a78b53cbf007b567afe27994b3faa7249864775436c814e4c0
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Filesize
1.2MB
MD5fc6f64c6b52d80c505cc7d6f04d0952e
SHA11c472c2ceb83bfcd5adc6770e35594a5b0ec5390
SHA256c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040
SHA512cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c
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Filesize
1.2MB
MD5fc6f64c6b52d80c505cc7d6f04d0952e
SHA11c472c2ceb83bfcd5adc6770e35594a5b0ec5390
SHA256c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040
SHA512cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c