Behavioral task
behavioral1
Sample
2024-05-10_995567ea5be47cefd293a118390efa4f_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-10_995567ea5be47cefd293a118390efa4f_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-10_995567ea5be47cefd293a118390efa4f_cryptolocker
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Size
22KB
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MD5
995567ea5be47cefd293a118390efa4f
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SHA1
2402e43c2a7d781464e9e4b8cd55a4b246b730bb
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SHA256
81b5d6b93d48d9ab0d0a5770e4404793c0132130ce9a1da719871579f7e3bb5d
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SHA512
1b716f01f41db3bb994fcc504f4c02ceb1ce64b9e3cb4e6b943773131c3e6ceca150790c369e50c8f80e2edf6310650f4c54b5d7eb5a8d9f1a5f85c14acb141d
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6S0A9:bVCPwFRo6CpwXFXSqQXfjASR
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 2024-05-10_995567ea5be47cefd293a118390efa4f_cryptolocker unpack001/out.upx
Files
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2024-05-10_995567ea5be47cefd293a118390efa4f_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