Behavioral task
behavioral1
Sample
d3c254f2fde9225ed30da72171912504.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
d3c254f2fde9225ed30da72171912504.exe
Resource
win10v2004-20240226-en
General
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Target
d3c254f2fde9225ed30da72171912504
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Size
428KB
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MD5
d3c254f2fde9225ed30da72171912504
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SHA1
85668a322ee03e3c69c22f8c1ebe34cd1f8c83bf
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SHA256
52674ece7ad62021d0600ef62f2721148b432a7596bead3efa5c514a802ffc48
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SHA512
0b759270f5d8c963e9fde0e489cbcb8c2c6e0ba88036ee6059390e227489eb9b7edc0fadff3ed5301ef33d9b55f1c17fcf5f3031e166d19e5a1b627a8c1e39b0
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SSDEEP
12288:WzfZxFMZBxll33QYeFLXStaeHE1uH633axQcuGLFxZv:WzfZxFG/TMXSpHE1faOcuGxxZv
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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d3c254f2fde9225ed30da72171912504.exe windows:4 windows x86 arch:x86
Code Sign
70:ba:e4:1d:10:d9:29:34:b6:38:ca:7b:03:cc:ba:bfCertificate
IssuerOU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=USNot Before29/01/1996, 00:00Not After01/08/2028, 23:59SubjectOU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=US47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate
IssuerCN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZANot Before04/12/2003, 00:00Not After03/12/2013, 23:59SubjectCN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
0d:e9:2b:f0:d4:d8:29:88:18:32:05:09:5e:9a:76:88Certificate
IssuerCN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=USNot Before04/12/2003, 00:00Not After03/12/2008, 23:59SubjectCN=VeriSign Time Stamping Services Signer,O=VeriSign\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageContentCommitment
41:91:a1:5a:39:78:df:cf:49:65:66:38:1d:4c:75:c2Certificate
IssuerOU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=USNot Before16/07/2004, 00:00Not After15/07/2014, 23:59SubjectCN=VeriSign Class 3 Code Signing 2004 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)04,O=VeriSign\, Inc.,C=USExtended Key Usages
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
4c:1b:73:6b:c6:71:4c:7d:a3:b1:d3:3e:ad:b3:3a:2bCertificate
IssuerCN=VeriSign Class 3 Code Signing 2004 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)04,O=VeriSign\, Inc.,C=USNot Before20/10/2006, 00:00Not After21/10/2009, 23:59SubjectCN=REALTIME GAMING,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=REALTIME GAMING,L=Sandy Springs,ST=Georgia,C=USExtended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
dd:80:e6:90:fa:65:80:1d:10:c0:55:c4:13:80:29:b7:a8:46:ca:59Signer
Actual PE Digestdd:80:e6:90:fa:65:80:1d:10:c0:55:c4:13:80:29:b7:a8:46:ca:59Digest Algorithmsha1PE Digest MatchestrueHeaders
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 944KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 372KB - Virtual size: 376KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 48KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 552KB - Virtual size: 550KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 64KB - Virtual size: 61KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 332KB - Virtual size: 338KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 8KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 344KB - Virtual size: 342KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ