efdf2d41e9e5e62c2ac1333de7f77628_JaffaCakes118

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General

Target

efdf2d41e9e5e62c2ac1333de7f77628_JaffaCakes118
Size

75KB
MD5

efdf2d41e9e5e62c2ac1333de7f77628
SHA1

aabcd4acd9592ca392cb5975c480314046c89c21
SHA256

37d0bb7b2c5f17a633ee78255c02ede4b9a25d7c03cb6a8436ffe515cedc8bc9
SHA512

87617fa2a3a0ebba3566cdaaa08ffe73fc05747d483c64e48fc8e518143c9c082ec65bc0b0d9fabc9f345c91c263c7ef49884f0f15bca81aed6ce934dd5be49a
SSDEEP

1536:9hbEsqbX9ggnRoNUKulLACL1xTM6B+6bI8o5S5keVBaCnF:7biX9gQRvRlsCzoWZo5eFF

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/out.upx

Files

efdf2d41e9e5e62c2ac1333de7f77628_JaffaCakes118
.exe windows:4 windows x86 arch:x86

Code Sign

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5
Certificate

Issuer

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Not Before

15/06/2007, 00:00

Not After

14/06/2012, 23:59

Subject

CN=VeriSign Time Stamping Services Signer - G2,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

04/12/2003, 00:00

Not After

03/12/2013, 23:59

Subject

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

1f:d4:e6:e2:d3:01:18:81:d4:a2:2c:60:56:55:9d:a3
Certificate

Issuer

CN=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=US

Not Before

28/05/2010, 00:00

Not After

28/05/2011, 23:59

Subject

CN=Akorea,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=Akorea,L=BUSAN,ST=GYEONGSANGNAM-DO,C=KR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

65:52:26:e1:b2:2e:18:e1:59:0f:29:85:ac:22:e7:5c
Certificate

Issuer

OU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=US

Not Before

21/05/2009, 00:00

Not After

20/05/2019, 23:59

Subject

CN=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=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

31:4d:8d:6c:eb:aa:bd:5a:d4:43:af:cd:35:39:85:3e:8c:06:5a:6b
Signer

Actual PE Digest

31:4d:8d:6c:eb:aa:bd:5a:d4:43:af:cd:35:39:85:3e:8c:06:5a:6b

Digest Algorithm

sha1

PE Digest Matches

true

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

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: 9KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5Certificate

Extended Key Usages

Key Usages

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate

Extended Key Usages

Key Usages

1f:d4:e6:e2:d3:01:18:81:d4:a2:2c:60:56:55:9d:a3Certificate

Extended Key Usages

Key Usages

65:52:26:e1:b2:2e:18:e1:59:0f:29:85:ac:22:e7:5cCertificate

Extended Key Usages

Key Usages

31:4d:8d:6c:eb:aa:bd:5a:d4:43:af:cd:35:39:85:3e:8c:06:5a:6bSigner

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 104KB

UPX1 Size: 59KB - Virtual size: 60KB

.rsrc Size: 9KB - Virtual size: 12KB

Headers

File Characteristics

Sections

.text Size: 88KB - Virtual size: 84KB

.rdata Size: 20KB - Virtual size: 18KB

.data Size: 16KB - Virtual size: 27KB

.rsrc Size: 16KB - Virtual size: 14KB

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5
Certificate

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

1f:d4:e6:e2:d3:01:18:81:d4:a2:2c:60:56:55:9d:a3
Certificate

65:52:26:e1:b2:2e:18:e1:59:0f:29:85:ac:22:e7:5c
Certificate

31:4d:8d:6c:eb:aa:bd:5a:d4:43:af:cd:35:39:85:3e:8c:06:5a:6b
Signer

UPX0
Size: - Virtual size: 104KB

UPX1
Size: 59KB - Virtual size: 60KB

.rsrc
Size: 9KB - Virtual size: 12KB

.text
Size: 88KB - Virtual size: 84KB

.rdata
Size: 20KB - Virtual size: 18KB

.data
Size: 16KB - Virtual size: 27KB

.rsrc
Size: 16KB - Virtual size: 14KB