Behavioral task
behavioral1
Sample
2024-04-30_b1e08e7495db2d8f20b4577112a2550f_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-30_b1e08e7495db2d8f20b4577112a2550f_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_b1e08e7495db2d8f20b4577112a2550f_cryptolocker
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Size
51KB
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MD5
b1e08e7495db2d8f20b4577112a2550f
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SHA1
1e67120dc920a1e99120ceed2ac2f1589d0a2229
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SHA256
f740cdc9ace744827517cb9fc6d3deddbfe777b1894068acf63a7e37c7301d14
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SHA512
4199b8fdf4276cb0c5d9cc496f36f182d549cf464868078bc4b51562f93485821862a28a3661196397c6656f66b164aa7674863afa46bd4853ad7437581153a9
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtO8:bODOw9acifAoc+vn
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 2024-04-30_b1e08e7495db2d8f20b4577112a2550f_cryptolocker
Files
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2024-04-30_b1e08e7495db2d8f20b4577112a2550f_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