Behavioral task
behavioral1
Sample
2024-05-21_31a791e7c35f4292b4d9429abac20f15_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-21_31a791e7c35f4292b4d9429abac20f15_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_31a791e7c35f4292b4d9429abac20f15_cryptolocker
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Size
78KB
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MD5
31a791e7c35f4292b4d9429abac20f15
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SHA1
c0867ec01cf816cdfbc0294987246ff25b16e1a9
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SHA256
55ecc2ab95fb0b86f042b6bf52183157b793bd26d2f26430d90a5ebab0071b2c
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SHA512
a3e7e562493e3f7d5010a7e7487a74eb0cb0d5da10a766f90aed8145bb677d57cb33749ad4c3d47cf52a354d979dc0ee01128a633c3bb17de24b7e39c1972563
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1FI:T6a+rdOOtEvwDpjNtHPR
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 2024-05-21_31a791e7c35f4292b4d9429abac20f15_cryptolocker
Files
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2024-05-21_31a791e7c35f4292b4d9429abac20f15_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