Behavioral task
behavioral1
Sample
ef771b9cd2f56882e2038174f5b8f845_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
ef771b9cd2f56882e2038174f5b8f845_JaffaCakes118
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Size
842KB
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MD5
ef771b9cd2f56882e2038174f5b8f845
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SHA1
3943e793ce88a79fe633dd5e095697c80afe0912
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SHA256
9c833f50415dea6e9e053c613acde958dbecd3aa3603dce75b958cf0aff072bc
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SHA512
b74da14dfc6161b8ab4a2d79da7067c8754f4aaf2aab1d8e74404443317f54fffe51cdbe9eb1ac03e2b453b06acb5617309794a94893261b7cd58ffadf3b9476
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SSDEEP
24576:TnroDEy/to4O40ohjjWozyoIzcEfvVUj8:LrsT/VhWo5IoEfN48
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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ef771b9cd2f56882e2038174f5b8f845_JaffaCakes118.exe windows:4 windows x86 arch:x86
Code Sign
1f:15:4b:70:14:b6:61:a6:4d:e6:c7:92:d3:19:56:36Certificate
IssuerNot Before22/02/2011, 15:07Not After31/12/2039, 23:59Subject38:25: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
b7:63:28:1e:b1:ae:16:1d:7f:ac:ee:73:12:86:8d:75:3d:ff:3b:5aSigner
Actual PE Digestb7:63:28:1e:b1:ae:16:1d:7f:ac:ee:73:12:86:8d:75:3d:ff:3b:5aDigest 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: 1.2MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 574KB - Virtual size: 576KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 12KB
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: 242KB - Virtual size: 992KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 734KB - Virtual size: 736KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ