Behavioral task
behavioral1
Sample
2024-03-27_fb134740d4038efeb807651dec53733c_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-27_fb134740d4038efeb807651dec53733c_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-27_fb134740d4038efeb807651dec53733c_cryptolocker
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Size
58KB
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MD5
fb134740d4038efeb807651dec53733c
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SHA1
0f20771074cf9395394c621ca62d7cc5ac35c547
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SHA256
4cb57ce67d4980addcee0ffc0112a2d06cd90581baae1b2360f941b5c8e1fc69
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SHA512
9a1926d146dbd8478cfefc4a04f04f298d617e902bfea3dd2a7b23510496f52cf1b60dd4daab17286f7b1ceacdf7fbf18b4b10cdab35c8018147a54dab2416d1
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appb0:z6QFElP6n+gKmddpMOtEvwDpj9aYaw
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 2024-03-27_fb134740d4038efeb807651dec53733c_cryptolocker
Files
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2024-03-27_fb134740d4038efeb807651dec53733c_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_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