Behavioral task
behavioral1
Sample
2024-05-31_b18c55cf5a68270251341831c0e5a762_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-31_b18c55cf5a68270251341831c0e5a762_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-31_b18c55cf5a68270251341831c0e5a762_cryptolocker
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Size
79KB
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MD5
b18c55cf5a68270251341831c0e5a762
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SHA1
c360c984db6fd1160dca986b8b27e501c8bb7a45
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SHA256
ed7b6d9c37d4a0e98d4d6ab62961641b5b6942345acd82bb6946adb4b277846d
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SHA512
0e4b91bf8df28d9c692fd847f4676714aeafc6da29ae05b0c533e3e413d4b44f5da5f12857ad4f9c9664b0f2baab6ef7235da48e7f0668e8a2a42a9f174c1af7
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB19:T6a+rdOOtEvwDpjNtHPq
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-05-31_b18c55cf5a68270251341831c0e5a762_cryptolocker
Files
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2024-05-31_b18c55cf5a68270251341831c0e5a762_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE