Behavioral task
behavioral1
Sample
2024-05-11_cb731b021e528310c3021ff03a5a8997_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-11_cb731b021e528310c3021ff03a5a8997_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-11_cb731b021e528310c3021ff03a5a8997_cryptolocker
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Size
87KB
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MD5
cb731b021e528310c3021ff03a5a8997
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SHA1
d51307ee5b39f4c9150a9a9d8feef9702bdd54d0
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SHA256
a657e5b8bb83473f9897d02077611311d32bc5e61148de3454cf59d925bf5f8c
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SHA512
d78042d96248d18a03983621389a2bfc61ab743064cf2dbe07589edd6865820dc9644e083e3ae7f89689fd5e61c05810816dc88b8462fba8ee703cd080e4644f
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5R0:T6a+rdOOtEvwDpjN5
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 2024-05-11_cb731b021e528310c3021ff03a5a8997_cryptolocker
Files
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2024-05-11_cb731b021e528310c3021ff03a5a8997_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