Overview
overview
10Static
static
10Calamari.zip
windows7-x64
1Calamari.zip
windows10-2004-x64
1Calamari/Calamari.exe
windows7-x64
6Calamari/Calamari.exe
windows10-2004-x64
6Calamari/S...ET.dll
windows7-x64
1Calamari/S...ET.dll
windows10-2004-x64
1Calamari/S...PI.dll
windows7-x64
1Calamari/S...PI.dll
windows10-2004-x64
1Calamari/c...16.txt
windows7-x64
1Calamari/c...16.txt
windows10-2004-x64
1Calamari/j...up.mp3
windows7-x64
1Calamari/j...up.mp3
windows10-2004-x64
6Calamari/sxlib.dll
windows7-x64
3Calamari/sxlib.dll
windows10-2004-x64
3Analysis
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max time kernel
130s -
max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-08-2024 18:05
Behavioral task
behavioral1
Sample
Calamari.zip
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Calamari.zip
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Calamari/Calamari.exe
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
Calamari/Calamari.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
Calamari/ScintillaNET.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
Calamari/ScintillaNET.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
Calamari/SynapseZAPI.dll
Resource
win7-20240729-en
Behavioral task
behavioral8
Sample
Calamari/SynapseZAPI.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
Calamari/crashlogs/1812_15316.txt
Resource
win7-20240705-en
Behavioral task
behavioral10
Sample
Calamari/crashlogs/1812_15316.txt
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
Calamari/jacked_up.mp3
Resource
win7-20240708-en
Behavioral task
behavioral12
Sample
Calamari/jacked_up.mp3
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
Calamari/sxlib.dll
Resource
win7-20240705-en
Behavioral task
behavioral14
Sample
Calamari/sxlib.dll
Resource
win10v2004-20240802-en
General
-
Target
Calamari/Calamari.exe
-
Size
154KB
-
MD5
3bb68e459405f9d621fea08fca8db99e
-
SHA1
a667438af4a30700d229752df30f423f169c1186
-
SHA256
0f7071d56098ef0a448b562760ea2f547e4a2f8d26fc4e456b6e6ed47445cc20
-
SHA512
69788e7b8a0a5cae8fb85f31cd63c735343b11128da1be0c71414c41973ad9246487915b24eb40436ba104a3851f0848e902f7c9cb9a084255420eff4a49478b
-
SSDEEP
1536:A//X0u8/LwqNlRtXCPF9tdyB6nW6b22ehN8OIZG9Fwk0eL/qzCU27yHi+tdGtdtw:A30tT9tXCPLKB6nT6UPk0eT0w2i+ulw
Malware Config
Signatures
-
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
Calamari.exedescription ioc process File opened (read-only) \??\V: Calamari.exe File opened (read-only) \??\B: Calamari.exe File opened (read-only) \??\H: Calamari.exe File opened (read-only) \??\O: Calamari.exe File opened (read-only) \??\R: Calamari.exe File opened (read-only) \??\T: Calamari.exe File opened (read-only) \??\A: Calamari.exe File opened (read-only) \??\M: Calamari.exe File opened (read-only) \??\P: Calamari.exe File opened (read-only) \??\S: Calamari.exe File opened (read-only) \??\X: Calamari.exe File opened (read-only) \??\W: Calamari.exe File opened (read-only) \??\E: Calamari.exe File opened (read-only) \??\K: Calamari.exe File opened (read-only) \??\L: Calamari.exe File opened (read-only) \??\N: Calamari.exe File opened (read-only) \??\Q: Calamari.exe File opened (read-only) \??\Z: Calamari.exe File opened (read-only) \??\G: Calamari.exe File opened (read-only) \??\I: Calamari.exe File opened (read-only) \??\J: Calamari.exe File opened (read-only) \??\U: Calamari.exe File opened (read-only) \??\Y: Calamari.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
Calamari.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Calamari.exe -
Modifies registry class 1 IoCs
Processes:
Calamari.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2392887640-1187051047-2909758433-1000\{F938E8C0-8E0F-4EDB-B32F-F0C85467527F} Calamari.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
Calamari.exeAUDIODG.EXEdescription pid process Token: SeShutdownPrivilege 4716 Calamari.exe Token: SeCreatePagefilePrivilege 4716 Calamari.exe Token: 33 5020 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 5020 AUDIODG.EXE Token: SeShutdownPrivilege 4716 Calamari.exe Token: SeCreatePagefilePrivilege 4716 Calamari.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Calamari\Calamari.exe"C:\Users\Admin\AppData\Local\Temp\Calamari\Calamari.exe"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4716
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x4e4 0x3241⤵
- Suspicious use of AdjustPrivilegeToken
PID:5020
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
64KB
MD53a16ce313f0aedba14943c83ef4a853a
SHA1e3d635fcf3471a638153e8756da3d3e06cf102f1
SHA2560d6943432a32c38e203c1a2eace24145e470b06d9d73bdf3a82a32955124d00d
SHA512a89b9b75ca9a0556eff3ddfc202ac17e3d78c2a5334b61a1f97d9aa802234b2bbcb43b20fe2440d45c6a742e69a4032cdae5e92e491d1a5b79fe21cdf475ae6a
-
Filesize
9KB
MD57050d5ae8acfbe560fa11073fef8185d
SHA15bc38e77ff06785fe0aec5a345c4ccd15752560e
SHA256cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
SHA512a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b