Behavioral task
behavioral1
Sample
2024-05-12_c9efb1d5b5efe336fadf6647445f68ec_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-12_c9efb1d5b5efe336fadf6647445f68ec_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-12_c9efb1d5b5efe336fadf6647445f68ec_cryptolocker
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Size
90KB
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MD5
c9efb1d5b5efe336fadf6647445f68ec
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SHA1
c7f8f51bc34f89956e1cb838ddfbb5936b6ab8d2
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SHA256
df868473fa2a976d93d98eeb47808bf0acdce0f13f546e601d08962d04d684fb
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SHA512
86956f1fcdd4921119730599675bf0bf5c8ac338f231812038871451e91463898f07b15ede2aa86016fb065e068c3d4e945e78c7bba51982e2750d393e5b1354
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/G:n6a+1SEOtEvwDpjYYvQd2PF
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 2024-05-12_c9efb1d5b5efe336fadf6647445f68ec_cryptolocker
Files
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2024-05-12_c9efb1d5b5efe336fadf6647445f68ec_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_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - 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