Behavioral task
behavioral1
Sample
2024-03-15_71375d166415325dbbe31416845bcbc7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-15_71375d166415325dbbe31416845bcbc7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-15_71375d166415325dbbe31416845bcbc7_cryptolocker
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Size
82KB
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MD5
71375d166415325dbbe31416845bcbc7
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SHA1
a60cc8538938c14fa4b8aee271290261e9c29f8c
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SHA256
d51cbf8d1e67ad644651c87cd7e33eb3bd541e941e6b57f7db2b7a75ff05aa29
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SHA512
a0e343295df248721b6c19d4274d5cf5b0ee6ebfa94364946f15e2067719b982e6ac2ea3dffd55a8c51a026849f7ef63c511b16cc1650c0c064918d22f6dff34
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky2Os:zCsanOtEvwDpj7
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 2024-03-15_71375d166415325dbbe31416845bcbc7_cryptolocker
Files
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2024-03-15_71375d166415325dbbe31416845bcbc7_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