Static task
static1
Behavioral task
behavioral1
Sample
2024-01-18_a3b97cd6fc55f113b91d928ee7fe58f3_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-18_a3b97cd6fc55f113b91d928ee7fe58f3_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-18_a3b97cd6fc55f113b91d928ee7fe58f3_cryptolocker
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Size
88KB
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MD5
a3b97cd6fc55f113b91d928ee7fe58f3
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SHA1
0eac49cd880f0a908ec7a9f0c263e8ca83fc50ca
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SHA256
007f0363b4f690802952a294790ac215d99cc77b7b27f38b9120983b60fe602e
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SHA512
5d2480ab3333498d53a5817d2eb4a7250b8cb2e005a826ffcfbe2f4000a50f3bc7d7b44d56f53fe8727fd52d4b416b32517e09f9db4458f3ae303dd2a5b5f742
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfFKazNcCJgW:xj+VGMOtEvwDpjubwQEI8UtzNcsH
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 2024-01-18_a3b97cd6fc55f113b91d928ee7fe58f3_cryptolocker
Files
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2024-01-18_a3b97cd6fc55f113b91d928ee7fe58f3_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