Static task
static1
Behavioral task
behavioral1
Sample
2024-01-29_6742f7c78dae6d7f2e27e6c8e0c302e8_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-29_6742f7c78dae6d7f2e27e6c8e0c302e8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-29_6742f7c78dae6d7f2e27e6c8e0c302e8_cryptolocker
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Size
100KB
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MD5
6742f7c78dae6d7f2e27e6c8e0c302e8
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SHA1
50e5e251c19c1c1fdc9b6dc3461f21e472dea7dd
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SHA256
35b67fec2783b6b78906ec8f7d2bdd563c2532259e1cff7cfac8ca92221fa4b0
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SHA512
a0159c52c9882c4f73c4ec3168a5e3e3d24f07c2d1e691c795d4ac5722ed7aa193a1274e9993de467106d26788cf96fa725ba32ac3d76ec231d757f4aaab789b
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k2l:xj+VGMOtEvwDpjubwQEIiVmkxv/x
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 2024-01-29_6742f7c78dae6d7f2e27e6c8e0c302e8_cryptolocker
Files
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2024-01-29_6742f7c78dae6d7f2e27e6c8e0c302e8_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