Static task
static1
Behavioral task
behavioral1
Sample
2024-02-01_1ef94ee60fd349a7df6023af9e87cab1_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-01_1ef94ee60fd349a7df6023af9e87cab1_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-01_1ef94ee60fd349a7df6023af9e87cab1_cryptolocker
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Size
57KB
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MD5
1ef94ee60fd349a7df6023af9e87cab1
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SHA1
f1b6d18afc15fef711951eeaeb441499a7616fde
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SHA256
1d8b1285bb0da23f8a3115985a2084643af236ee787b0fc3c2e8cd8a67e3dc93
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SHA512
8953ea3b277c44a21ce85b285ec5312d16ec15f4242f511761991fa8b35fac718cc594f80ea0174cc3923560309aec92e3f4019b67ee156ebb3b0ac0310c4f5c
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7GoFwEsA:xj+VGMOtEvwDpjubEgywEsA
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 2024-02-01_1ef94ee60fd349a7df6023af9e87cab1_cryptolocker
Files
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2024-02-01_1ef94ee60fd349a7df6023af9e87cab1_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