Behavioral task
behavioral1
Sample
2024-04-29_af882af2d44e62d40ad2aa44639f2c4b_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-29_af882af2d44e62d40ad2aa44639f2c4b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-29_af882af2d44e62d40ad2aa44639f2c4b_cryptolocker
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Size
55KB
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MD5
af882af2d44e62d40ad2aa44639f2c4b
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SHA1
bb7f9c12c83b694562cf7c462b92fa3631b37c63
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SHA256
2961f17d73985b7d239d9e4aaeb5d06bb0a54a32bc44ae2879120ce0675b4454
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SHA512
55259448356eb7b9e648e0cca9e75d3c4dd4cbd917cefda6b88e9fd3e92966c55bb8b0838881cb76711819c80b07d95b4c25590dd082a2984e69a2ee3a3ee1d1
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+Sv:bP9g/xtCS3Dxx0JSv
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 2024-04-29_af882af2d44e62d40ad2aa44639f2c4b_cryptolocker
Files
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2024-04-29_af882af2d44e62d40ad2aa44639f2c4b_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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