Behavioral task
behavioral1
Sample
2024-04-29_a9df6e5d2d1f0448a28ce84e11446554_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-29_a9df6e5d2d1f0448a28ce84e11446554_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-29_a9df6e5d2d1f0448a28ce84e11446554_cryptolocker
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Size
32KB
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MD5
a9df6e5d2d1f0448a28ce84e11446554
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SHA1
7494d4bfcce782bbe9b0d1daa6e8075ed9cef7c9
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SHA256
73263e3edb4728f9785b87651bb001b3c07d73a611b1c0162f414b7b49232261
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SHA512
329781b886b1d6a229d7b10cbe0b9ebbfb3e0472f22c4db2beba699657c22de32aba9f95b7ef3ef4e20c4d0a2ca4cb1b6d36ebb3d92fee394a64d28ec8ce07d0
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SSDEEP
768:bFPm5zusFUB2preAr+Ofjg0S16avdrQFiLjJvto:bFPmpiif/oc+vo
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-04-29_a9df6e5d2d1f0448a28ce84e11446554_cryptolocker unpack001/out.upx
Files
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2024-04-29_a9df6e5d2d1f0448a28ce84e11446554_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
Sections
UPX0 Size: - 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
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out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ