Behavioral task
behavioral1
Sample
2024-04-24_3c52c8bf2af024f77962d2b44664e6a2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_3c52c8bf2af024f77962d2b44664e6a2_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_3c52c8bf2af024f77962d2b44664e6a2_cryptolocker
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Size
50KB
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MD5
3c52c8bf2af024f77962d2b44664e6a2
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SHA1
2f68a3bb6dd05803afc37d2b122cf5400092ea21
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SHA256
fcde01c3b9626611aa39fa21215c1d1b1ffde58e1a3d102e9d40b18f17f0debf
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SHA512
e9dbee90266a56f776fc706a23fea4a9fc0e55e2dd11f01ac4d427df8d362281442189cf8fba735a897bfee179e4156df7b6f39f81dd469218f624bef250156c
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtO4:bODOw9acifAoc+vr
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 2024-04-24_3c52c8bf2af024f77962d2b44664e6a2_cryptolocker
Files
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2024-04-24_3c52c8bf2af024f77962d2b44664e6a2_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