Behavioral task
behavioral1
Sample
2024-09-05_0e7752992b972898ef1fc7a03d0edef8_cryptolocker.exe
Resource
win7-20240903-en
General
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Target
2024-09-05_0e7752992b972898ef1fc7a03d0edef8_cryptolocker
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Size
38KB
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MD5
0e7752992b972898ef1fc7a03d0edef8
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SHA1
1386055997b9e5702ebd4175bac01097477d1df2
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SHA256
639140d03255f3d449e5167444d8a8dab37092e1a124bb01c2449d5c37b65f17
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SHA512
751a52bb275b06385a95af3898b4dcfe9dd7f268015319fe9a0f86f5d3f77d58c515bdf85d681f195b7ea2d8cbd3c94ba184aa90afc989e390d06d2115fc9507
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3he:qUmnpomddpMOtEvwDpjjaYaQhe
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-09-05_0e7752992b972898ef1fc7a03d0edef8_cryptolocker unpack001/out.upx
Files
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2024-09-05_0e7752992b972898ef1fc7a03d0edef8_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