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Behavioral task
behavioral1
Sample
f857b57d5e86d0b16f7fba888707f02e_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
f857b57d5e86d0b16f7fba888707f02e_JaffaCakes118
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Size
201KB
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MD5
f857b57d5e86d0b16f7fba888707f02e
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SHA1
5b0ab8925a2dc42645c9556b354b705c525d72d7
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SHA256
c2963c8b0f95425c41bae443a13fa212311895c84d36e834e965915994146ec9
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SHA512
2331b6e3181775ae8706f11ffcfa7d265909928ab63ef46bb00ef93036711fccd3e4be55109216079c9f2300a7e4b241dd310ad045bbb7b86ac543c2c0128bdd
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SSDEEP
3072:IgabvzH3f0rtxjSHtstdDyRESUVI3ZQ8P56VuEJdG/dN17QN3cW8yDkh4:eLzsHSHuy/pR5EJUlNcN
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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f857b57d5e86d0b16f7fba888707f02e_JaffaCakes118.exe windows:4 windows x86 arch:x86
Code Sign
57:f9:19:b5:96:c8:31:5e:bb:39:eb:6e:a9:7e:1a:31Certificate
IssuerCN=ALWIL SoftwareNot Before08/02/2011, 22:24Not After31/12/2039, 23:59SubjectCN=ALWIL Software38:25: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
8f:7f:d3:18:e8:b6:69:f0:9f:f8:3c:44:94:25:d4:15:74:61:87:02Signer
Actual PE Digest8f:7f:d3:18:e8:b6:69:f0:9f:f8:3c:44:94:25:d4:15:74:61:87:02Digest 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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 300KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 193KB - Virtual size: 196KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 4KB
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
IMAGE_FILE_DEBUG_STRIPPED
Sections
.text Size: 182KB - Virtual size: 400KB
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: 80KB - Virtual size: 80KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ