Behavioral task
behavioral1
Sample
2024-06-03_55ebc920c1189369a2f1c6e85bda8c43_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-03_55ebc920c1189369a2f1c6e85bda8c43_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-03_55ebc920c1189369a2f1c6e85bda8c43_cryptolocker
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Size
42KB
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MD5
55ebc920c1189369a2f1c6e85bda8c43
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SHA1
b08664f5e32b92d556a187c7385c15f1981966de
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SHA256
9b5a5fac19d1118b4bf92bd4ed8995232c6281d7fc584d71ceb4f79a97dca333
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SHA512
abe8a5799a7bbbc1387b59ac3635ec7d04b55b002e4e3ef0210e711e2e40f55df18278fd30590c2fd2ce9e80921315901d71d847e3326ed03796a4b70a6d92d7
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SSDEEP
768:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKoMb:ba6YcA/Xk3wXFXSqAJ1
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 2024-06-03_55ebc920c1189369a2f1c6e85bda8c43_cryptolocker
Files
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2024-06-03_55ebc920c1189369a2f1c6e85bda8c43_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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