Behavioral task
behavioral1
Sample
2024-02-19_583ec313b2218928fb93c3496fe88f60_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_583ec313b2218928fb93c3496fe88f60_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-19_583ec313b2218928fb93c3496fe88f60_cryptolocker
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Size
79KB
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MD5
583ec313b2218928fb93c3496fe88f60
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SHA1
caa6e5736e0988401fdeb395c3f9fc5264cd9849
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SHA256
9fc39b445629b682a8fc17b65ec11db1a43e7599b4e5786242071a217d3dc980
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SHA512
77c38c8e8fef0a1cd4a62007751d861e39a22eb5e4a01feecb329536a4ebde6bfbfd935bae7543629b33a8d9bce0962b29d44023722b81bce14eadd03b8055ad
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kySeO:zCsanOtEvwDpj5
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 2024-02-19_583ec313b2218928fb93c3496fe88f60_cryptolocker
Files
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2024-02-19_583ec313b2218928fb93c3496fe88f60_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