Behavioral task
behavioral1
Sample
2024-05-31_838758c807cdf560331a6510b3a142d1_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-31_838758c807cdf560331a6510b3a142d1_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-31_838758c807cdf560331a6510b3a142d1_cryptolocker
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Size
51KB
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MD5
838758c807cdf560331a6510b3a142d1
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SHA1
ac28aa212c3a9f937a0059dce3a97a89ba9cd945
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SHA256
26fbf37b64a36e8d4910e2dddd6ad5b89020d1bf2fe4b476538d330c2453526b
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SHA512
579d6bdf1516bc09a0ec4220856bbfb3bc233219fb0dfe78e964e1d8389b1dd020b81f5a69bf9cbd2d74ca883e17dfe09f40e23f0906dcd133a2301af547706e
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SSDEEP
768:buDOw9UiaoWUB2preAr+OfjRW00S16avdrQFiLjJvtXp:buDOw9aWifVgoc+vXp
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 2024-05-31_838758c807cdf560331a6510b3a142d1_cryptolocker
Files
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2024-05-31_838758c807cdf560331a6510b3a142d1_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_CODE
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