Behavioral task
behavioral1
Sample
2024-01-24_bf1c1ea98d226433c7a2d8144c83f65d_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_bf1c1ea98d226433c7a2d8144c83f65d_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-24_bf1c1ea98d226433c7a2d8144c83f65d_cryptolocker
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Size
55KB
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MD5
bf1c1ea98d226433c7a2d8144c83f65d
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SHA1
20b765f0fcbef6892bd74ca5a4e0a44aaa374b71
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SHA256
d8e938f7163d4848db0318e58f40923a4f8e7d7953484c00b47fd2dafda177fb
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SHA512
a6e5ef070db57ae060678b53556eb2e2e50c402ff69dd6c78393c607eefbe1dcc0d1541ef3675e297379247d2c4f19dcc948281002bf470c9e6733f0c4d0d3c1
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpLzZ:zj+soPSMOtEvwDpj4yzZ
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 2024-01-24_bf1c1ea98d226433c7a2d8144c83f65d_cryptolocker
Files
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2024-01-24_bf1c1ea98d226433c7a2d8144c83f65d_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