Behavioral task
behavioral1
Sample
efa81f84d814f18096cf48733d0901c1_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
efa81f84d814f18096cf48733d0901c1_JaffaCakes118
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Size
64KB
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MD5
efa81f84d814f18096cf48733d0901c1
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SHA1
c2ab87aead4fdd62f26f9b8100da212f5251fccc
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SHA256
75ea68189f6bb19d4a6c454c858fb67200a0f51ae33ec29e249664b785388d9f
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SHA512
b428299f0e030e493a357519b91d5eafc18a6a71a58ba7dfed5f9e7cd6df06d100a05d84401b8bfb16121af272a98cb430825f09d90129ad7b97d0a5d035d12c
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SSDEEP
1536:3/FBVM3DTDLtsw5Nh7E19VShNAC+2Yb8fHuLl:P+LLtswbFE19Wqlmup
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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efa81f84d814f18096cf48733d0901c1_JaffaCakes118.exe windows:7 windows x86 arch:x86
Code Sign
77:88:4e:8a:e9:19:11:8c:41:40:89:7e:7f:7d:b1:14Certificate
IssuerCN=ewhrwxcNot Before02-03-2011 21:59Not After31-12-2039 23:59SubjectCN=ewhrwxc38:25: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
ef:8c:32:07:5a:a2:2f:6e:18:1a:f5:2d:1d:fc:b0:40:c7:85:cf:45Signer
Actual PE Digestef:8c:32:07:5a:a2:2f:6e:18:1a:f5:2d:1d:fc:b0:40:c7:85:cf:45Digest 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: 80KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 58KB - Virtual size: 60KB
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:7 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: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 118KB - Virtual size: 120KB
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