Behavioral task
behavioral1
Sample
283a8d8108d3a8dc8b2020864e359f51.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
283a8d8108d3a8dc8b2020864e359f51.exe
Resource
win10v2004-20231215-en
General
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Target
283a8d8108d3a8dc8b2020864e359f51
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Size
379KB
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MD5
283a8d8108d3a8dc8b2020864e359f51
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SHA1
cfd32af4450fb63b9e66fbbedcab93637fc3900c
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SHA256
65a588cb192668254d8f6231bdf9f45fbfe342d34f234236687864e1db668cef
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SHA512
464fc3c7fb1cdc7e8627921ba42e2ee2f08f122d6a2d3e002ec4ebd6af56c69234a8108d689d8ef67153404e967081420611127b0cb03082b1984850ddf875fb
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SSDEEP
6144:DrDJa7rspPBcndOjm+qzLzIke3cssoofBT+ArtkQ77QTveZAS16OWxfuZ3:nDJaOBAj+qLD5lBVttIv+AUJZ3
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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283a8d8108d3a8dc8b2020864e359f51.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=US79:a2:a5:85:f9:d1:15:42:13:d9:b8:3e:f6:b6:8d:edCertificate
IssuerCN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=USNot Before01-05-2012 00:00Not After31-12-2012 23:59SubjectCN=Symantec Time Stamping Services Signer - G3,O=Symantec Corporation,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
47: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
4a:12:36:74:50:0a:e6:88:5f:34:69:ef:f4:57:0c:76Certificate
IssuerCN=VeriSign Class 3 Code Signing 2009-2 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)09,O=VeriSign\, Inc.,C=USNot Before21-10-2009 00:00Not After20-10-2012 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
65:52:26:e1:b2:2e:18:e1:59:0f:29:85:ac:22:e7:5cCertificate
IssuerOU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=USNot Before21-05-2009 00:00Not After20-05-2019 23:59SubjectCN=VeriSign Class 3 Code Signing 2009-2 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)09,O=VeriSign\, Inc.,C=USExtended Key Usages
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
e4:e9:43:e9:2f:a9:4f:63:ef:1f:a3:81:35:8d:5d:dc:73:d4:d9:ebSigner
Actual PE Digeste4:e9:43:e9:2f:a9:4f:63:ef:1f:a3:81:35:8d:5d:dc:73:d4:d9:ebDigest Algorithmsha1PE Digest MatchestrueHeaders
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 1.0MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 355KB - Virtual size: 356KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 17KB - Virtual size: 20KB
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: 580KB - Virtual size: 576KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 84KB - Virtual size: 81KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 332KB - Virtual size: 340KB
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: 384KB - Virtual size: 381KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ