Behavioral task
behavioral1
Sample
2024-03-14_55bb6f0a3a13f99c232a7437e882dbdd_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-14_55bb6f0a3a13f99c232a7437e882dbdd_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_55bb6f0a3a13f99c232a7437e882dbdd_cryptolocker
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Size
71KB
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MD5
55bb6f0a3a13f99c232a7437e882dbdd
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SHA1
c5d8045a818ff26cc2ccf21cbc5ed965249022e3
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SHA256
03c6f19e5d4ac8da3e23ec26aa5a82b265bc459e7d89d4ca7bb83b62dde54385
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SHA512
8170b38596c76128e0445966177feb6322541be3a9615840cfe27ba4a3ff31d5c50d3afb3006778f568baba622f8f5269b26147bad7fc2a84a43de2d2d210854
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal3Sl:1nK6a+qdOOtEvwDpj8U
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 2024-03-14_55bb6f0a3a13f99c232a7437e882dbdd_cryptolocker
Files
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2024-03-14_55bb6f0a3a13f99c232a7437e882dbdd_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE