Behavioral task
behavioral1
Sample
2024-01-26_a4eaaec1a473c4307657676d7f3e52ca_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_a4eaaec1a473c4307657676d7f3e52ca_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_a4eaaec1a473c4307657676d7f3e52ca_cryptolocker
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Size
97KB
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MD5
a4eaaec1a473c4307657676d7f3e52ca
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SHA1
c1cea5b566e7e41662c66f14df11ede3d58ef749
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SHA256
2706667847f11d537dff59ba8865cbd105150e1af5ae1bf346ce71ae1bbdd301
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SHA512
52849ffba71348e44a036e50b9d435de0a3fad9241f4d1dadb8f21ff2139194d427826a851730ca581d414594aebab56d059601a7b1913146e98e60d95169326
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjuvQ9:zCsanOtEvwDpjm
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 2024-01-26_a4eaaec1a473c4307657676d7f3e52ca_cryptolocker
Files
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2024-01-26_a4eaaec1a473c4307657676d7f3e52ca_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