Analysis
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max time kernel
145s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
12/07/2023, 13:33
Static task
static1
Behavioral task
behavioral1
Sample
CC_MAIA TÉCNICApdf.exe
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
CC_MAIA TÉCNICApdf.exe
Resource
win10v2004-20230703-en
General
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Target
CC_MAIA TÉCNICApdf.exe
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Size
355KB
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MD5
3b636ad4cefad536f52ffc6ca715073c
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SHA1
54e930e51b42888d43732b4750987f024e870bf5
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SHA256
dad1c06013f2a0789dcc44fdec99ff1a51050386e6fe1e482c327d70a80e8657
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SHA512
710f666e03c2d727a7aadc62691419d70fadd1566aa7494b6dd43cee72984e3e14b5dcf9be0767229d1459523c9879d05efdd5f08ba78e4358a7e9d271104c38
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SSDEEP
6144:1spNjls8PZVheNA+ff0CYpYUSgSAKNkVt7ndz/S24N1m36oYqXgyv0R+5:1c9nhe2evYp/Sfl0dndzp+R+5
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
description ioc Process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe CC_MAIA TÉCNICApdf.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe CC_MAIA TÉCNICApdf.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Control Panel\International\Geo\Nation CC_MAIA TÉCNICApdf.exe -
Loads dropped DLL 1 IoCs
pid Process 3584 CC_MAIA TÉCNICApdf.exe -
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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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Mdelokalernes72\Oscillators\Burghbote\Orwellian.Pro CC_MAIA TÉCNICApdf.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 1036 CC_MAIA TÉCNICApdf.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3584 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3584 set thread context of 1036 3584 CC_MAIA TÉCNICApdf.exe 96 -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Common Files\Bismark\Salaamed\Bundgarnsfiskernes\appelret.ini CC_MAIA TÉCNICApdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 38 IoCs
pid Process 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe 1036 CC_MAIA TÉCNICApdf.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3584 CC_MAIA TÉCNICApdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1036 CC_MAIA TÉCNICApdf.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3584 wrote to memory of 1036 3584 CC_MAIA TÉCNICApdf.exe 96 PID 3584 wrote to memory of 1036 3584 CC_MAIA TÉCNICApdf.exe 96 PID 3584 wrote to memory of 1036 3584 CC_MAIA TÉCNICApdf.exe 96 PID 3584 wrote to memory of 1036 3584 CC_MAIA TÉCNICApdf.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe"C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe"C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe"2⤵
- Checks QEMU agent file
- Checks computer location settings
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1036
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
11KB
MD517ed1c86bd67e78ade4712be48a7d2bd
SHA11cc9fe86d6d6030b4dae45ecddce5907991c01a0
SHA256bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
SHA5120cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5