Behavioral task
behavioral1
Sample
641e88d81295807075df2399b2472eb2.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
641e88d81295807075df2399b2472eb2.exe
Resource
win10v2004-20231222-en
General
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Target
641e88d81295807075df2399b2472eb2
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Size
20KB
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MD5
641e88d81295807075df2399b2472eb2
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SHA1
b09ab84b13947e00be878c8ef3e7a6db109d4ca6
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SHA256
7d7f4a09f82c826c85fac1c595a26ac08e5d2cb557aa36c265c13cfa9edad2c8
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SHA512
cd1ee73ddb66c22e3326ece4158bebd8caacfd86a6cddccbb3a2d120338cc64eb0e92d9df21b1d56a38c1912b3ceda5038354d07892b830f0003179dcd5567b7
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SSDEEP
384:8xXakXyVhIssMhT/Mx4kGRi9wBCYUKwVvFGiQMo4FJwoow7FGYJLc:8lCVMa7xxRi9wMUGvNfIoogLc
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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641e88d81295807075df2399b2472eb2.exe windows:5 windows x86 arch:x86
Code Sign
42:e6:e8:5b:91:aa:89:5b:be:8c:94:d4:b0:9d:00:0bCertificate
IssuerCN=tb4w89ts9dgsdgNot Before16/03/2011, 15:58Not After31/12/2039, 23:59SubjectCN=tb4w89ts9dgsdg38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5Certificate
IssuerCN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=USNot Before15/06/2007, 00:00Not After14/06/2012, 23:59SubjectCN=VeriSign Time Stamping Services Signer - G2,O=VeriSign\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageContentCommitment
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
d3:23:7c:cf:22:56:60:25:d4:51:91:f3:ce:5d:61:22:c1:1f:3c:7aSigner
Actual PE Digestd3:23:7c:cf:22:56:60:25:d4:51:91:f3:ce:5d:61:22:c1:1f:3c:7aDigest Algorithmsha1PE Digest MatchesfalseHeaders
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: 48KB
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:5 windows x86 arch: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: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 21KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ