Behavioral task
behavioral1
Sample
2024-01-25_b91e9432fe2488b4bc11bc7f2d234985_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_b91e9432fe2488b4bc11bc7f2d234985_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_b91e9432fe2488b4bc11bc7f2d234985_cryptolocker
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Size
81KB
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MD5
b91e9432fe2488b4bc11bc7f2d234985
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SHA1
791b5c03fb30a7e20a944020cdfa04abffbec092
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SHA256
50a14f27234fcb28daffd7d728539a8d469c7d2454049ad9585040ccaffb88af
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SHA512
ab636f3a20422c1ab3b3586d1b775a9c51faed6b84be8e3ebec7fb76b2f8949d9946ce5d2c02c6edfa50850c2f78b1a129037b953c38896ded374ed6d337dbc1
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vt:T6a+rdOOtEvwDpjN5
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 2024-01-25_b91e9432fe2488b4bc11bc7f2d234985_cryptolocker
Files
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2024-01-25_b91e9432fe2488b4bc11bc7f2d234985_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