Behavioral task
behavioral1
Sample
2024-05-30_fa86c9e73e9e4663e06827655e4200bf_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-30_fa86c9e73e9e4663e06827655e4200bf_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-30_fa86c9e73e9e4663e06827655e4200bf_cryptolocker
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Size
21KB
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MD5
fa86c9e73e9e4663e06827655e4200bf
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SHA1
966b1128833a1c57a35442ffbf3550141d0516b9
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SHA256
c3f62a6aec1f9e115a8467af6fef81733f5b767db10904408e75a8f497cbe19f
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SHA512
8ca81513a46c5a1f89faafd49939e6bab445c2cd55c621485d7368da06de509696ab6d3fbf98216e86232d2bc8a7c2d47a27631ac98bc450a1817ae031a4d42a
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6k:bVCPwFRo6CpwXFXSqQXfjAk
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 2024-05-30_fa86c9e73e9e4663e06827655e4200bf_cryptolocker unpack001/out.upx
Files
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2024-05-30_fa86c9e73e9e4663e06827655e4200bf_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