Behavioral task
behavioral1
Sample
2024-03-26_101622887efedb5dc0c1f86022ec07a9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-26_101622887efedb5dc0c1f86022ec07a9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-26_101622887efedb5dc0c1f86022ec07a9_cryptolocker
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Size
100KB
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MD5
101622887efedb5dc0c1f86022ec07a9
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SHA1
ade51e796bfb6ab3e70d9a2c3421ac3282b6c975
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SHA256
f2b1e047fdb62f148bb72593ce14a003dee33fa6cba04b18f66f0e85ecd6fc86
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SHA512
3e27a51192895ff08a29958c8ddc7ff133cd0c874d84802eddc524500c45f0ed301ba8ae660b2d848379c9a808651fc93370fb6a911008c20a0c9f931fc24bd5
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPy/:AnBdOOtEvwDpj6zk
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 -
Detection of Cryptolocker Samples 2 IoCs
resource yara_rule sample CryptoLocker_set1 static1/unpack001/out.upx CryptoLocker_set1 -
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 2024-03-26_101622887efedb5dc0c1f86022ec07a9_cryptolocker unpack001/out.upx
Files
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2024-03-26_101622887efedb5dc0c1f86022ec07a9_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: 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
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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
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ