Behavioral task
behavioral1
Sample
655f36f4667dd12fe638fcdf9732ff7cff00f761920b874ac49084a297311b11.exe
Resource
win7-20240729-en
General
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Target
655f36f4667dd12fe638fcdf9732ff7cff00f761920b874ac49084a297311b11
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Size
68KB
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MD5
513ff45aba22930aadc33aa9e5863db5
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SHA1
d26680318dbbacb9fc1e900c19f08726f3a37191
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SHA256
655f36f4667dd12fe638fcdf9732ff7cff00f761920b874ac49084a297311b11
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SHA512
d11aaaa39939bc31c650bfa50725be4e8eefc13a84ffc23743ac95e85b200d1ee2984ac4ab2c0a663e7f36839a8893692bd2618358d203f63ac45dcaadcacb12
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SSDEEP
1536:IQOvZwwDBFjr99yeai0O+KAdKoAd9+wn4zxElx9:BORwcN99yeaixs0oAT+wnF
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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655f36f4667dd12fe638fcdf9732ff7cff00f761920b874ac49084a297311b11.exe windows:5 windows x86 arch:x86
Code Sign
4c:a1:90:a5:f8:5a:6c:b6:45:9a:05:09:05:92:39:84Certificate
IssuerCN=技术服务部,1.2.840.113549.1.9.1=#130b7777772e6363686f2e6363Not Before24/09/2020, 00:36Not After31/12/2039, 23:59SubjectCN=www.ccho.cc,1.2.840.113549.1.9.1=#130b7777772e6363686f2e636305:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before14/07/2023, 00:00Not After13/10/2034, 23:59SubjectCN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before23/03/2022, 00:00Not After22/03/2037, 23:59SubjectCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before01/08/2022, 00:00Not After09/11/2031, 23:59SubjectCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
4c:a1:90:a5:f8:5a:6c:b6:45:9a:05:09:05:92:39:84Certificate
IssuerCN=技术服务部,1.2.840.113549.1.9.1=#130b7777772e6363686f2e6363Not Before24/09/2020, 00:36Not After31/12/2039, 23:59SubjectCN=www.ccho.cc,1.2.840.113549.1.9.1=#130b7777772e6363686f2e636305:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before14/07/2023, 00:00Not After13/10/2034, 23:59SubjectCN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before23/03/2022, 00:00Not After22/03/2037, 23:59SubjectCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before01/08/2022, 00:00Not After09/11/2031, 23:59SubjectCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
05:28:2d:85:a5:88:3a:99:7c:b6:5f:fe:e5:57:b5:87:e9:8d:f7:fd:9e:49:df:a5:1e:7f:db:65:ee:a6:ab:2dSigner
Actual PE Digest05:28:2d:85:a5:88:3a:99:7c:b6:5f:fe:e5:57:b5:87:e9:8d:f7:fd:9e:49:df:a5:1e:7f:db:65:ee:a6:ab:2dDigest Algorithmsha256PE Digest Matchestruef3:b7:2d:e9:ff:aa:74:83:be:3a:5d:ab:70:21:b5:6a:55:c1:72:79Signer
Actual PE Digestf3:b7:2d:e9:ff:aa:74:83:be:3a:5d:ab:70:21:b5:6a:55:c1:72:79Digest Algorithmsha1PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 296KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 21KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 16KB
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
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 27KB - Virtual size: 27KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 127KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ndata Size: - Virtual size: 124KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 22KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ