Behavioral task
behavioral1
Sample
2024-01-27_fd2ea36e85539e3d5d67617f9492bbe2_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-27_fd2ea36e85539e3d5d67617f9492bbe2_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-27_fd2ea36e85539e3d5d67617f9492bbe2_cryptolocker
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Size
81KB
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MD5
fd2ea36e85539e3d5d67617f9492bbe2
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SHA1
c4d0dfa4e8794c7dfa253c764749cbbd583180dd
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SHA256
e8c3dac55ab36396dc9171539fba9bc7286cb993579e3a5b76ba620eedfdee27
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SHA512
7ebbe05d99465e6002861b8032b4413f5eaec1bdb7fbb0f00b662935c8c5244a4fd72e663464eb478d05806fde84fbff8a1a853607e005d45a0f339d2dfacd0b
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7E:T6a+rdOOtEvwDpjN4
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-27_fd2ea36e85539e3d5d67617f9492bbe2_cryptolocker
Files
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2024-01-27_fd2ea36e85539e3d5d67617f9492bbe2_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE