Behavioral task
behavioral1
Sample
2024-06-12_8f55582d8c1fccffd0d01c28c8e01b56_cryptolocker.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-12_8f55582d8c1fccffd0d01c28c8e01b56_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-12_8f55582d8c1fccffd0d01c28c8e01b56_cryptolocker
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Size
37KB
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MD5
8f55582d8c1fccffd0d01c28c8e01b56
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SHA1
8807c84c529a99c97575327516e6987015df18e1
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SHA256
23c137f315caad4a0dc0ee94deda3ad8e13c52f8f33f89f59fddb516236a7eba
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SHA512
0daa82d23865b60b71b54b2ab2b63afd3d17784d6b30a0c03ec85e460b871b8d3a0803be525304c568c816493ec12106976f2b3ec46384fc20b67de362d7dc9b
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3VKIt:qUmnpomddpMOtEvwDpjjaYaQJt
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 -
Detection of Cryptolocker Samples 2 IoCs
resource yara_rule sample CryptoLocker_set1 static1/unpack001/out.upx CryptoLocker_set1 -
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 2024-06-12_8f55582d8c1fccffd0d01c28c8e01b56_cryptolocker unpack001/out.upx
Files
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2024-06-12_8f55582d8c1fccffd0d01c28c8e01b56_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: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ