Behavioral task
behavioral1
Sample
2024-05-25_6eeed6488d6cb23e7f15a8e99c17d286_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-25_6eeed6488d6cb23e7f15a8e99c17d286_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-25_6eeed6488d6cb23e7f15a8e99c17d286_cryptolocker
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Size
88KB
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MD5
6eeed6488d6cb23e7f15a8e99c17d286
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SHA1
39dcabd91bbf891b0abc7cfb03fca78018b46118
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SHA256
72c83008b655ef443e4e8aa899506224f9aa08cf3d1ca60c590f5f4cfa63f4d1
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SHA512
388b7b3a9dbb5ba7f6c33227537b180664b92ccf2c16249ed69ede4b22f03ce2bbb91cf7f6c058ae67c544e1a9b9cebffacf333e228f4c5504b903c08b995a40
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODx:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgf
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 2024-05-25_6eeed6488d6cb23e7f15a8e99c17d286_cryptolocker unpack001/out.upx
Files
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2024-05-25_6eeed6488d6cb23e7f15a8e99c17d286_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