Behavioral task
behavioral1
Sample
7d9145a8d103dcec3254d903e92135cb.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
7d9145a8d103dcec3254d903e92135cb.exe
Resource
win10v2004-20231215-en
General
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Target
7d9145a8d103dcec3254d903e92135cb
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Size
72KB
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MD5
7d9145a8d103dcec3254d903e92135cb
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SHA1
729eae838cadb8091201881c426102b477a217b8
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SHA256
6f8e0015d8c22024c1e434adc325bf37594e64d6bae36a8431f54dd2f59e171c
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SHA512
8f3552ccf4bde219cf76fbba9074725d21a59aabf9923c3f13fcaaccb9ec2567dd2bd194951322e86564ac32f2e384401e22ded78f6ec158db5aecc646dddb52
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SSDEEP
1536:lI/G27sAhHZwn22tG7yvyhWVOBCHGQNKgdNUuMcVj1+NlmLCIp:lI+27sAxZA7GWvZVcCmQN9gUVZcGp
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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7d9145a8d103dcec3254d903e92135cb.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=US2b:be:5d:08:06:53:b7:32:c9:1d:9d:37:7b:c5:c4:38Certificate
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 Before10-08-2009 00:00Not After10-08-2010 23:59SubjectCN=IMNetworks,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=IMNetworks,L=Haeundae-gu,ST=Pusan,C=KRExtended 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
3a:b8:26:36:a9:c6:e8:36:a1:c8:9b:f8:26:5c:77:8f:6d:47:6a:98Signer
Actual PE Digest3a:b8:26:36:a9:c6:e8:36:a1:c8:9b:f8:26:5c:77:8f:6d:47:6a:98Digest Algorithmsha1PE Digest MatchestrueHeaders
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: 104KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 59KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 88KB - Virtual size: 84KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 20KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 16KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ