Behavioral task
behavioral1
Sample
1717378c8c0238c83a81a50e6b9c8ca0.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
1717378c8c0238c83a81a50e6b9c8ca0.exe
Resource
win10v2004-20231222-en
General
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Target
1717378c8c0238c83a81a50e6b9c8ca0
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Size
21KB
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MD5
1717378c8c0238c83a81a50e6b9c8ca0
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SHA1
73e4f93c0239cf731a8a1b50f4552e04cb385ab6
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SHA256
417bd2905fdb86020c3db8fb3df9a9c5ed3cbd36c28bf53c0bc2f647aa06d399
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SHA512
ca39d310bd2c5b774ad84addc7957bd3b31a0bebda5100bd0ef60f2bdf95d50bdfc839db7c9050400851ae91f9c13a5c5272549a0026da3d0cd59d2c411b1790
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SSDEEP
384:S71VRtTh3Yx5JbCzDXqcJXa3jZy9Nt5BMRxG6oOUTU1nZtl:0PtTWTbC/X7ajZyLfBMRAJGnt
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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1717378c8c0238c83a81a50e6b9c8ca0.exe windows:1 windows x86 arch:x86
Code Sign
01Certificate
IssuerCN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6dNot Before01-08-1996 00:00Not After31-12-2020 23:59SubjectCN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6d0aCertificate
IssuerCN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6dNot Before06-08-2003 00:00Not After05-08-2013 23:59SubjectCN=Thawte Code Signing CA,O=Thawte Consulting (Pty) Ltd.,C=ZAExtended Key Usages
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
19:de:e7:70:5e:fd:20:8f:d1:8a:d5:78:41:d2:fb:96Certificate
IssuerCN=Thawte Code Signing CA,O=Thawte Consulting (Pty) Ltd.,C=ZANot Before19-10-2007 00:00Not After18-10-2008 23:59SubjectCN=BASE ACTIVITIES LIMITED,OU=Web,O=BASE ACTIVITIES LIMITED,L=London,ST=London,C=GBExtended Key Usages
ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning
Signer
Actual PE DigestDigest AlgorithmPE Digest MatchesfalseHeaders
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 52KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 15KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:1 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 30KB - Virtual size: 29KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 512B - Virtual size: 356B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 1KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 4B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ