b2fdf2b8e4e2c9d29a7bba3f37e9f943_JaffaCakes118

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General

Target

b2fdf2b8e4e2c9d29a7bba3f37e9f943_JaffaCakes118
Size

568KB
MD5

b2fdf2b8e4e2c9d29a7bba3f37e9f943
SHA1

6a1a27c771aeb88a1c5ca769d46722d70067c97e
SHA256

c1232f2dce5d89aa719fc80b911c64e92403c5feaceda23f2d814fdd04ac80d2
SHA512

4da35b3f677ebd47d04c8da64212b70172db97d6b0e51da01a217c351a72c058740f19aa5ace2f900696840004cd8fcfa818ff9e3632f9b9ae41e0b7cbf118ff
SSDEEP

12288:+G4pRRooxOTW2gRJFC8NMB/Kmw9wKDcU1Qm76WDMMK0:bAooxOC2qC8wIQm7BDMMK0

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

b2fdf2b8e4e2c9d29a7bba3f37e9f943_JaffaCakes118
.exe windows:4 windows x86 arch:x86

Code Sign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

Issuer

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Not Before

07-06-2005 08:09

Not After

30-05-2020 10:48

Subject

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bb
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

24-08-2011 00:00

Not After

30-05-2020 10:48

Subject

CN=COMODO Code Signing CA 2,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

8e:23:60:34:50:1a:ea:96:ae:96:f0:b0:fd:22:72:71
Certificate

Issuer

CN=COMODO Code Signing CA 2,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

08-11-2011 00:00

Not After

07-11-2012 23:59

Subject

CN=IronSource Ltd,O=IronSource Ltd,POSTALCODE=68033,STREET=Namal 36 suit 1,L=Tel Aviv-Yafo,ST=IL,C=IL

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

cb:2d:71:7b:00:8b:ac:0b:73:3e:0a:d7:df:44:dd:45:36:94:fc:b6
Signer

Actual PE Digest

cb:2d:71:7b:00:8b:ac:0b:73:3e:0a:d7:df:44:dd:45:36:94:fc:b6

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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

UPX0
Size: - Virtual size: 572KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 535KB - Virtual size: 536KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 28KB - Virtual size: 32KB

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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

CODE
Size: 767KB - Virtual size: 767KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 15KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 16B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 222KB - Virtual size: 222KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4bCertificate

Key Usages

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bbCertificate

Extended Key Usages

Key Usages

8e:23:60:34:50:1a:ea:96:ae:96:f0:b0:fd:22:72:71Certificate

Extended Key Usages

Key Usages

cb:2d:71:7b:00:8b:ac:0b:73:3e:0a:d7:df:44:dd:45:36:94:fc:b6Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 572KB

UPX1 Size: 535KB - Virtual size: 536KB

.rsrc Size: 28KB - Virtual size: 32KB

Headers

File Characteristics

Sections

CODE Size: 767KB - Virtual size: 767KB

DATA Size: 20KB - Virtual size: 19KB

BSS Size: - Virtual size: 15KB

.idata Size: 12KB - Virtual size: 12KB

.tls Size: - Virtual size: 16B

.rdata Size: 512B - Virtual size: 24B

.reloc Size: 44KB - Virtual size: 43KB

.rsrc Size: 222KB - Virtual size: 222KB

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bb
Certificate

8e:23:60:34:50:1a:ea:96:ae:96:f0:b0:fd:22:72:71
Certificate

cb:2d:71:7b:00:8b:ac:0b:73:3e:0a:d7:df:44:dd:45:36:94:fc:b6
Signer

UPX0
Size: - Virtual size: 572KB

UPX1
Size: 535KB - Virtual size: 536KB

.rsrc
Size: 28KB - Virtual size: 32KB

CODE
Size: 767KB - Virtual size: 767KB

DATA
Size: 20KB - Virtual size: 19KB

BSS
Size: - Virtual size: 15KB

.idata
Size: 12KB - Virtual size: 12KB

.tls
Size: - Virtual size: 16B

.rdata
Size: 512B - Virtual size: 24B

.reloc
Size: 44KB - Virtual size: 43KB

.rsrc
Size: 222KB - Virtual size: 222KB