Behavioral task
behavioral1
Sample
cocoon-31.4.0.en-US.win32.installer.exe
Resource
win7-20230220-en
General
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Target
cocoon-31.4.0.en-US.win32.installer.exe
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Size
29.6MB
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MD5
f01f051c7a15bd1e611958fe8a8a3e0f
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SHA1
cc4eb619e8bbec6996a11fed680e3cb387a1e2af
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SHA256
90927fc416fd76a996da4fc837db5e5a2071c917d812b264f9317553e5c4c319
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SHA512
8eecd9c4ec2c13880f4cdbda8900da1b25cc0598503ebb1869482f536c4aa0550e99b8b3939bd3ed32af3a8543334fe60f981f6ccbc1b75203b92084ef429b93
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SSDEEP
786432:85qKvOhUA4yNH2CGfSPS1MnPClB/4tFkQN6EMeypfQ1iAr2:85qWOhLjNWC2kS1oClCt+k69DQ112
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/out.upx
Files
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cocoon-31.4.0.en-US.win32.installer.exe.exe windows x86
Code Sign
58:92:c5:85:b7:7c:ce:8e:47:ea:c2:21:6c:24:3b:acCertificate
IssuerCN=Mozilla Fake CANot Before23/07/2010, 03:35Not After31/12/2039, 23:59SubjectCN=Mozilla Fake SPC05:74:c9:d2:23:37:78:af:39:3b:d1:ba:16:5e:b3:01:0e:6c:ba:19Signer
Actual PE Digest05:74:c9:d2:23:37:78:af:39:3b:d1:ba:16:5e:b3:01:0e:6c:ba:19Digest Algorithmsha1PE Digest MatchestrueHeaders
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: 92KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 40KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 28KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows 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: 74KB - Virtual size: 73KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 14KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ