Behavioral task
behavioral1
Sample
2024-05-02_273b9bf9238e0eab2f9780680244a52d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-02_273b9bf9238e0eab2f9780680244a52d_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-02_273b9bf9238e0eab2f9780680244a52d_cryptolocker
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Size
83KB
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MD5
273b9bf9238e0eab2f9780680244a52d
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SHA1
e1e2ce4867b03ec3ad220aa91a74c21dd64d2072
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SHA256
19b62d7c148075da5bd8a582dec99760a8a4e63f4b33716030aa429cfe29f6a6
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SHA512
664dbb247654755a62fc903ba125cbfe50ab0040c55fc90fdc279ed1fdfacb4bd1977b92d399ea1b8582be07968efb94176b0d78c97c224ee55a89bb07c31bb9
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1H:zCsanOtEvwDpjN
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 2024-05-02_273b9bf9238e0eab2f9780680244a52d_cryptolocker
Files
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2024-05-02_273b9bf9238e0eab2f9780680244a52d_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