Behavioral task
behavioral1
Sample
2024-02-20_a23cf70815f483faee5edbe3bce8882d_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_a23cf70815f483faee5edbe3bce8882d_cryptolocker.exe
Resource
win10v2004-20240220-en
General
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Target
2024-02-20_a23cf70815f483faee5edbe3bce8882d_cryptolocker
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Size
105KB
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MD5
a23cf70815f483faee5edbe3bce8882d
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SHA1
094c7fe238dd6ecae745c5b9a8f9873e82a081aa
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SHA256
8f7d4407ff4ba1f5924515dccdebe4f68b1a045737890574f98b73cd8f91e212
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SHA512
3e280bd581ce07389793b26733212af3767aa092044ad48b7699a7e401c0057c73aa2b70cda97bbec78889dc43c6a06470de3ea91651ded194abbfbfb8e5f4e5
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gks0j:1nK6a+qdOOtEvwDpju
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 2024-02-20_a23cf70815f483faee5edbe3bce8882d_cryptolocker
Files
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2024-02-20_a23cf70815f483faee5edbe3bce8882d_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE