Behavioral task
behavioral1
Sample
2024-02-21_ec5732ec4a4fcb6566bbac1e1a9c1a9b_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-21_ec5732ec4a4fcb6566bbac1e1a9c1a9b_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_ec5732ec4a4fcb6566bbac1e1a9c1a9b_cryptolocker
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Size
108KB
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MD5
ec5732ec4a4fcb6566bbac1e1a9c1a9b
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SHA1
fbb0ac250620af0a399b644b1276ec44d2ae5035
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SHA256
ad2bd68da2720d89de7294737943212e68b9023d6cbd1e0668341a2436185c3d
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SHA512
f41ec97ee923410247d8994c6e05a20f47e2d53fc7cfb31ec17d0d83c51118cdfd0e494d0a67626901feab2e212b470e9103b4ebef7aa81f4c9cc2affdfac09c
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMgYvi:z6a+CdOOtEvwDpjcz9
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 2024-02-21_ec5732ec4a4fcb6566bbac1e1a9c1a9b_cryptolocker
Files
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2024-02-21_ec5732ec4a4fcb6566bbac1e1a9c1a9b_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_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