Behavioral task
behavioral1
Sample
2024-05-03_d4f12278dc2dd7e340bf76c0704deb20_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-03_d4f12278dc2dd7e340bf76c0704deb20_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-03_d4f12278dc2dd7e340bf76c0704deb20_cryptolocker
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Size
56KB
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MD5
d4f12278dc2dd7e340bf76c0704deb20
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SHA1
b4993832ec047451de543d500472faa3732983e8
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SHA256
00a88796d29ddcac6f8bd319de2708d848015a15c5b7975efedbfe364225e620
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SHA512
9008996d65824b32c96cd9b3e8278c0b5f0d062d9ff964f65e85df6f102df1f3803aa2bcee14f3d2329d882fed441507759eeb706d43a8af58789c14be29b515
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+R:bP9g/xtCS3Dxx0JR
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 2024-05-03_d4f12278dc2dd7e340bf76c0704deb20_cryptolocker
Files
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2024-05-03_d4f12278dc2dd7e340bf76c0704deb20_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