Behavioral task
behavioral1
Sample
2024-04-04_b890a7b2dc0d404b482d486b6c44827e_cryptolocker.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
2024-04-04_b890a7b2dc0d404b482d486b6c44827e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-04_b890a7b2dc0d404b482d486b6c44827e_cryptolocker
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Size
92KB
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MD5
b890a7b2dc0d404b482d486b6c44827e
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SHA1
343f56bd40b0b8909a58255f423bcbcbc808818f
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SHA256
ca87e7a6268ce4fa16e2aecb81eadd6d6c120b8cee4c89a7af246892a7b34ba9
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SHA512
a602c624a41131fadb61ff273d44b68647078be22b7bb1dc333bd5693bf64f80fdcb2f8371a39cc525813d7bc66f44faf45de3fb87a9b39d15f2e3985436136d
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87Fs:zCsanOtEvwDpjS
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 2024-04-04_b890a7b2dc0d404b482d486b6c44827e_cryptolocker
Files
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2024-04-04_b890a7b2dc0d404b482d486b6c44827e_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