Analysis
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max time kernel
94s -
max time network
205s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2024 00:45
Static task
static1
Behavioral task
behavioral1
Sample
Anfrage_244384.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Anfrage_244384.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
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Target
Anfrage_244384.exe
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Size
1.2MB
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MD5
b03f23199ae987a7bce0ff1a0d742e3e
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SHA1
f454c8de72926ee9f98db7056fa89f0c3ada9666
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SHA256
eda014e3b658bfbbfd141c1459a3414d9ee8b7c139a3976fe732141fa9cf3f80
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SHA512
01ccdc0f586a8926a56f0d3bfee91c5e882bff5df84cbb5363df6681fb62863a8075af8261bb72ecf2360d9d4dc4552dddb4e1ec1da002c24b9416ff0d3f95be
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SSDEEP
24576:aCAoDyk/vnt3h1CzLuTIv08yZVk7ku8h7w6/t338euHdB4bU4VD4C:aCAfqvtx1UuTIMfg7ku8Vfx3/uHHSU4t
Malware Config
Signatures
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Guloader family
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Loads dropped DLL 2 IoCs
Processes:
Anfrage_244384.exepid process 4340 Anfrage_244384.exe 4340 Anfrage_244384.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
Anfrage_244384.exepid process 1664 Anfrage_244384.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
Anfrage_244384.exeAnfrage_244384.exepid process 4340 Anfrage_244384.exe 1664 Anfrage_244384.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Anfrage_244384.exedescription pid process target process PID 4340 set thread context of 1664 4340 Anfrage_244384.exe Anfrage_244384.exe -
Drops file in Windows directory 2 IoCs
Processes:
Anfrage_244384.exedescription ioc process File opened for modification C:\Windows\Bitcom\Paragraferedes75.ret Anfrage_244384.exe File opened for modification C:\Windows\resources\soenderbro.ini Anfrage_244384.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
Anfrage_244384.exeAnfrage_244384.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Anfrage_244384.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Anfrage_244384.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
Anfrage_244384.exepid process 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe 1664 Anfrage_244384.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
Anfrage_244384.exepid process 4340 Anfrage_244384.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
Anfrage_244384.exedescription pid process target process PID 4340 wrote to memory of 1664 4340 Anfrage_244384.exe Anfrage_244384.exe PID 4340 wrote to memory of 1664 4340 Anfrage_244384.exe Anfrage_244384.exe PID 4340 wrote to memory of 1664 4340 Anfrage_244384.exe Anfrage_244384.exe PID 4340 wrote to memory of 1664 4340 Anfrage_244384.exe Anfrage_244384.exe PID 4340 wrote to memory of 1664 4340 Anfrage_244384.exe Anfrage_244384.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe"C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4340 -
C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe"C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1664
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD53f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1fe582246792774c2c9dd15639ffa0aca90d6fd0b
SHA256fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
SHA5120a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6