Behavioral task
behavioral1
Sample
cf84c77f401ac64dfcb991121d7b44a7977849a7801758d0ac9d52a8ce1ab96f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
cf84c77f401ac64dfcb991121d7b44a7977849a7801758d0ac9d52a8ce1ab96f.exe
Resource
win10v2004-20240226-en
General
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Target
cf84c77f401ac64dfcb991121d7b44a7977849a7801758d0ac9d52a8ce1ab96f
-
Size
87KB
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MD5
3ef924b8642134af7a759b2f57342658
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SHA1
1e2debf35edcb9f212850c656507b85f87ef5356
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SHA256
cf84c77f401ac64dfcb991121d7b44a7977849a7801758d0ac9d52a8ce1ab96f
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SHA512
eabfb8abc2209fd4d0365234bc12cce70569a7d14504a3e57634f3074d3b2f531ba7c3a6a5615e94657741a3501134cddad036df80131ba633f22ff720471ad1
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg7g:AnBdOOtEvwDpj6zY
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 cf84c77f401ac64dfcb991121d7b44a7977849a7801758d0ac9d52a8ce1ab96f unpack001/out.upx
Files
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cf84c77f401ac64dfcb991121d7b44a7977849a7801758d0ac9d52a8ce1ab96f.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