Behavioral task
behavioral1
Sample
2024-04-24_97d1656280dd950f2e803c106a681bb4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_97d1656280dd950f2e803c106a681bb4_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_97d1656280dd950f2e803c106a681bb4_cryptolocker
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Size
50KB
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MD5
97d1656280dd950f2e803c106a681bb4
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SHA1
f531a61ef68edede49e00d981d36522ee0cae889
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SHA256
176c9f048ce8b079a9eaee445a9f8255462f8124e648425b5eacb0b8a23186ed
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SHA512
c38cb8c165572dbc3a7d959592e8d923c6348ce6a0f49a4892f74193857e410ead6760c7da015e862004bb9b01867f6f383fb15649f8fb10435fa6f1e7ab437d
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtbuK:bODOw9acifAoc+v6K
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_97d1656280dd950f2e803c106a681bb4_cryptolocker
Files
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2024-04-24_97d1656280dd950f2e803c106a681bb4_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