Behavioral task
behavioral1
Sample
2024-09-02_a33caa3bd601cfcbe4e631555329dff5_cryptolocker.exe
Resource
win7-20240708-en
General
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Target
2024-09-02_a33caa3bd601cfcbe4e631555329dff5_cryptolocker
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Size
39KB
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MD5
a33caa3bd601cfcbe4e631555329dff5
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SHA1
726205e0d6cb8d1a439d1c4f73d010f8207f6760
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SHA256
8e37620b86f91dcb4e600d90f74721e9f12c95d18dbfd9b20cc7e087ab954eb0
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SHA512
e36bc9c81d9cc400531d84802573bef9d6beb17cc0f6af99edb1a24b10fe64c2dd1a67d3ac23bca61f851a0ca354e0c02262d61054acfbff576f5ad2a25f5dd6
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3DP:qUmnpomddpMOtEvwDpjjaYaQL
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-09-02_a33caa3bd601cfcbe4e631555329dff5_cryptolocker unpack001/out.upx
Files
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2024-09-02_a33caa3bd601cfcbe4e631555329dff5_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
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
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ