521ed2cc1be36a0273434dd8c2ad114e_JaffaCakes118

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General

Target

521ed2cc1be36a0273434dd8c2ad114e_JaffaCakes118
Size

190KB
MD5

521ed2cc1be36a0273434dd8c2ad114e
SHA1

850694e1e4f4353963c06f819b4d0b70dc6ec0e2
SHA256

740ecdae46540bb330f0fe3f3f1b37a564e082bb8b62e32c0318df2ae41b061e
SHA512

496e4199f6960e41466ae90ef718e04753f554f91cf2d2804e32ad25e7e5103b9cba77e0f03377ae55ff446a0a043380847d1be7dfa35a6e1d4847d897d6135a
SSDEEP

3072:dmCG6AG3mK378MfqCkhYDq2DEjsQGIhfKKs/LvC0a7JLldLDoWIjpZxi0URR68RK:Et6AG3mK3wMfqCkhxZTGtKs/LvvgJLlm

Score

5^/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

521ed2cc1be36a0273434dd8c2ad114e_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

03:ca
Certificate

Issuer

CN=yessignCA General Class 2,OU=AccreditedCA,O=yessign,C=kr

Not Before

24/06/2010, 15:00

Not After

25/06/2011, 14:59

Subject

CN=다성자원주식회사,OU=code-sign+OU=20100625000003,O=yessign,C=kr

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

27:84
Certificate

Issuer

CN=KISA RootCA 1,OU=Korea Certification Authority Central,O=KISA,C=KR

Not Before

30/04/2010, 01:50

Not After

30/04/2020, 01:50

Subject

CN=yessignCA General Class 2,OU=AccreditedCA,O=yessign,C=kr

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

33:d7:5c:41:9f:a2:f1:06:1e:17:bc:3c:db:0f:b4:1c:81:6e:e4:99
Signer

Actual PE Digest

33:d7:5c:41:9f:a2:f1:06:1e:17:bc:3c:db:0f:b4:1c:81:6e:e4:99

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: 212KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 175KB - Virtual size: 176KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 8KB

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: 284KB - Virtual size: 280KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 32KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 28KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16KB - Virtual size: 13KB

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

03:caCertificate

Extended Key Usages

Key Usages

27:84Certificate

Key Usages

33:d7:5c:41:9f:a2:f1:06:1e:17:bc:3c:db:0f:b4:1c:81:6e:e4:99Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 212KB

UPX1 Size: 175KB - Virtual size: 176KB

.rsrc Size: 8KB - Virtual size: 8KB

Headers

File Characteristics

Sections

.text Size: 284KB - Virtual size: 280KB

.rdata Size: 32KB - Virtual size: 30KB

.data Size: 28KB - Virtual size: 41KB

.rsrc Size: 16KB - Virtual size: 13KB

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

03:ca
Certificate

27:84
Certificate

33:d7:5c:41:9f:a2:f1:06:1e:17:bc:3c:db:0f:b4:1c:81:6e:e4:99
Signer

UPX0
Size: - Virtual size: 212KB

UPX1
Size: 175KB - Virtual size: 176KB

.rsrc
Size: 8KB - Virtual size: 8KB

.text
Size: 284KB - Virtual size: 280KB

.rdata
Size: 32KB - Virtual size: 30KB

.data
Size: 28KB - Virtual size: 41KB

.rsrc
Size: 16KB - Virtual size: 13KB