Behavioral task
behavioral1
Sample
05a731b89bc04a2726048e70f0f72f47_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
05a731b89bc04a2726048e70f0f72f47_JaffaCakes118
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Size
366KB
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MD5
05a731b89bc04a2726048e70f0f72f47
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SHA1
0f2d7e3fa0af38f6fc48215442fe6bc4bcee5ee8
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SHA256
72d9c39dc8e03dda98bf32e4d77f9c98ed5f44775f9be985c652db266518def7
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SHA512
81d2cd504f37a3f27c9780436e1ab72bb93db633dc46b21cf238e1e531ca6031555616f3e6701f3618a9ecb9bb6e683cb666b6fc88be0ca7fca8d86896f409a9
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SSDEEP
6144:JrDJa7rspPBcndOjm+qzLzIke3cssoofBT+ArtkQ77QTveZAS16qpXH/fuZI:5DJaOBAj+qLD5lBVttIv+AUrNuZI
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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05a731b89bc04a2726048e70f0f72f47_JaffaCakes118.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
18:76:d4:84:88:67:1b:b4:48:3b:76:64:a9:c3:cf:c3:b5:59:3e:2eSigner
Actual PE Digest18:76:d4:84:88:67:1b:b4:48:3b:76:64:a9:c3:cf:c3:b5:59:3e:2eDigest 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: 343KB - Virtual size: 344KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 16KB - 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