Behavioral task
behavioral1
Sample
21d30fca3cb27d3738df831cb1711867168e09e1e9e6bf3870229f393b13ac5a.exe
Resource
win7-20240221-en
General
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Target
21d30fca3cb27d3738df831cb1711867168e09e1e9e6bf3870229f393b13ac5a
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Size
103KB
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MD5
3cbe5e127ed09b111a6d5683a58d8b53
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SHA1
fc1c400d3abeaaa1c3142c979e604d5ecb5ede46
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SHA256
21d30fca3cb27d3738df831cb1711867168e09e1e9e6bf3870229f393b13ac5a
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SHA512
d8a377162f8fc8fbeb5b8a2fa4b5f9c9685ffd830237c8e7f1347d5448c11c68bc786cf983e7fa2ed149bff23a3a6bd0e0e853a015ecf3a97dbd25610296914b
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SSDEEP
3072:3P6YnVyoq8tV3Hu3IxouoObUG42MIx4N3:3P5y6bTxou9UG3k
Malware Config
Signatures
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Mimikatz family
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mimikatz is an open source tool to dump credentials on Windows 1 IoCs
resource yara_rule static1/unpack001/out.upx mimikatz -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 21d30fca3cb27d3738df831cb1711867168e09e1e9e6bf3870229f393b13ac5a unpack001/out.upx
Files
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21d30fca3cb27d3738df831cb1711867168e09e1e9e6bf3870229f393b13ac5a.exe windows:5 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
UPX0 Size: - Virtual size: 148KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 66KB - Virtual size: 68KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 36KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 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: 92KB - Virtual size: 91KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 51KB - Virtual size: 51KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 35KB - Virtual size: 35KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ