Behavioral task
behavioral1
Sample
2024-06-13_6ada2de2e067c5e7128f1ac950035e6d_cobalt-strike_medusa-locker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-13_6ada2de2e067c5e7128f1ac950035e6d_cobalt-strike_medusa-locker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-13_6ada2de2e067c5e7128f1ac950035e6d_cobalt-strike_medusa-locker
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Size
669KB
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MD5
6ada2de2e067c5e7128f1ac950035e6d
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SHA1
1c5ad39a7d2ee8a65ab3b1c9daf6f8af9658cd41
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SHA256
3759cf4c50d72baeed4415c9d5ac798d6a663e85dc85031cf207d4aa57130655
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SHA512
0e13d5e5ce056b320298d223c3da01b0663a8ea66bd8c863cc2afc8a43f3c037b46d3918dc2a72ed3f793c0c0f74c037ed021ae984ec725d1c9546a341597802
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SSDEEP
12288:TQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DnI:9uf4wTuV2Ux3uIZeUBi2Te6HWmI
Malware Config
Signatures
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Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM -
Detects command variations typically used by ransomware 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_GENRansomware -
MedusaLocker payload 1 IoCs
resource yara_rule sample family_medusalocker -
Medusalocker family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-13_6ada2de2e067c5e7128f1ac950035e6d_cobalt-strike_medusa-locker
Files
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2024-06-13_6ada2de2e067c5e7128f1ac950035e6d_cobalt-strike_medusa-locker.exe windows:6 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 459KB - Virtual size: 458KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 171KB - Virtual size: 171KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 14KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 23KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ