Behavioral task
behavioral1
Sample
2024-04-30_cfdb739b444b731f0e14914c2de6cc57_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-04-30_cfdb739b444b731f0e14914c2de6cc57_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_cfdb739b444b731f0e14914c2de6cc57_cryptolocker
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Size
55KB
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MD5
cfdb739b444b731f0e14914c2de6cc57
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SHA1
0fd4decf291cd5a8f81687817f92c37bd88c217c
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SHA256
e69e0daf9f2da76d1cdd6610b4bcd33256bdda5a8def98f5abd120357f2311e3
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SHA512
158f34cb3b967a990a14cc173c85aa8685e9b6a07c44ae8571d5c7aa052c0876f12ed484bd2d05a4c73606ac83dab00ca4a93e85980079432c3e38e236763abb
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlbU:bP9g/xtCS3Dxx0AU
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-30_cfdb739b444b731f0e14914c2de6cc57_cryptolocker
Files
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2024-04-30_cfdb739b444b731f0e14914c2de6cc57_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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