25fe6e24a43cdaa6bf949c7becd57407_JaffaCakes118

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General

Target

25fe6e24a43cdaa6bf949c7becd57407_JaffaCakes118
Size

569KB
MD5

25fe6e24a43cdaa6bf949c7becd57407
SHA1

4c09683f613824c98961aadb6d5a99db337636e9
SHA256

0ab35a0ead4246145b7050e48e5d9973b7aad8a77741152eed077c52b085dc7e
SHA512

197b7a96623a082d4881aefe2ec746a3c3bd6a2f8b5b57d2d02e96fe19bf6a20686655c36a7084f1b8d98d432bfbc2fe2164a428d7a47103f883efa05a846ed4
SSDEEP

12288:YCxYs/gCbHxFE9yD6O/8tG4VYYGrw1vazegMMKc:1YzCbbEUDT/8mYu6vazjMMKc

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

25fe6e24a43cdaa6bf949c7becd57407_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

7c:33:20:4c:7f:ef:55:b5:d6:82:d6:dc:fb:d6:11:f5:a1:b7:33:a7
Signer

Actual PE Digest

7c:33:20:4c:7f:ef:55:b5:d6:82:d6:dc:fb:d6:11:f5:a1:b7:33:a7

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

7c:33:20:4c:7f:ef:55:b5:d6:82:d6:dc:fb:d6:11:f5:a1:b7:33:a7Signer

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

7c:33:20:4c:7f:ef:55:b5:d6:82:d6:dc:fb:d6:11:f5:a1:b7:33:a7
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