Behavioral task
behavioral1
Sample
2024-03-27_e938acc551f926d4f22e05e4677e96da_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_e938acc551f926d4f22e05e4677e96da_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_e938acc551f926d4f22e05e4677e96da_cryptolocker
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Size
91KB
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MD5
e938acc551f926d4f22e05e4677e96da
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SHA1
bcf113cf4509de292e2c33b280998ac48dd4f1db
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SHA256
fcaefb4fff6601726a1b53de557677fcf13c1c541ea061db21a3259265b09318
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SHA512
d90c593e7f7b3c2393bfa75eff4813af42b02ab76398e7e274713d1956b2f7f15f9db1c7ff27ab9939f409ea5759c6b58bc6ea9cb4a798e5bfdb92005f008c5c
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87FE:zCsanOtEvwDpj6
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 2024-03-27_e938acc551f926d4f22e05e4677e96da_cryptolocker
Files
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2024-03-27_e938acc551f926d4f22e05e4677e96da_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