Behavioral task
behavioral1
Sample
2024-03-05_3305251a8b4055c878909b9870804fbf_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-05_3305251a8b4055c878909b9870804fbf_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-05_3305251a8b4055c878909b9870804fbf_cryptolocker
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Size
81KB
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MD5
3305251a8b4055c878909b9870804fbf
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SHA1
e22b3482425db74641a4dfa368106d9791da5184
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SHA256
74f1b4eedad564d0ffb4d31f7a6423141f49d6600408ef13e88b3ddc967d8a57
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SHA512
658eb0521b7b19c2f840941c3b9bdbb22d226ad4442ded02724db368a70b409677e8e65b837b5289b6026f8b781525fef496b391f7571f9ea6e1bc8e07347773
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdWZL:T6a+rdOOtEvwDpjNti
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 2024-03-05_3305251a8b4055c878909b9870804fbf_cryptolocker
Files
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2024-03-05_3305251a8b4055c878909b9870804fbf_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