Static task
static1
Behavioral task
behavioral1
Sample
2024-03-20_bf839a1c7c346b778280b949f87be4a2_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-20_bf839a1c7c346b778280b949f87be4a2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-20_bf839a1c7c346b778280b949f87be4a2_cryptolocker
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Size
102KB
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MD5
bf839a1c7c346b778280b949f87be4a2
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SHA1
27b53ad55dd8227c04867032eb8c749f48a22b3d
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SHA256
4cb0ed0a5ed46a0328cb66bbcd7a9e402c42add84c99bf700957229a891dd1f2
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SHA512
38f9257143057e93ff981f29f1254927f1239bbdf8e5d66022ab5d140856fd9f517fbb05caec85294192573e7c4d799b5c0805c468c471db90cd2562f13f915b
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k2yt:xj+VGMOtEvwDpjubwQEIiVmkxv/4
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-20_bf839a1c7c346b778280b949f87be4a2_cryptolocker
Files
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2024-03-20_bf839a1c7c346b778280b949f87be4a2_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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