Behavioral task
behavioral1
Sample
2024-05-07_e5c76fcfe3bce591ffc671aaf2fcad98_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-07_e5c76fcfe3bce591ffc671aaf2fcad98_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-07_e5c76fcfe3bce591ffc671aaf2fcad98_cryptolocker
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Size
51KB
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MD5
e5c76fcfe3bce591ffc671aaf2fcad98
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SHA1
6d3321d8828f936d80316d88edb481dc0446fa79
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SHA256
4f1d590e655a29e2dab7d1abffa57378023bc416542e5f7abf12fd59eaa77cf3
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SHA512
817ab4494c8a0adb8ba46c69592fee195d39c8edf3df09550cad141c62c7f50a0f62a8a61e3224e18fb16b219a41456d375af6698642adc30f1afc45ae235994
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOt:bODOw9acifAoc+v6
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-07_e5c76fcfe3bce591ffc671aaf2fcad98_cryptolocker
Files
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2024-05-07_e5c76fcfe3bce591ffc671aaf2fcad98_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: 16KB - 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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE