ef91dca35b9c0c822b015dad88c9abf0_JaffaCakes118

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General

Target

ef91dca35b9c0c822b015dad88c9abf0_JaffaCakes118
Size

361KB
MD5

ef91dca35b9c0c822b015dad88c9abf0
SHA1

05bf3859f34b51f70515458dfb6e8818ec0cdd68
SHA256

b0ae0038c7d3214dac8582b1d4cc9d85d51641a8a5f1beb4fa9252ec6f7bdadb
SHA512

ceb639c003012f4dc9b1518c96fb99fc53fcab35b6e6cb9d194e548780d538f3242a43941230385138a1805e285548e3ad6aaf5f2ba3f763ec9c9cc2590eea3b
SSDEEP

6144:eTn5qJWLGVSJ1jw4KMVKsMmeBmbGtB/FKRGXrhrxk+Exq0o3lt/MQkjjBIa3/ROY:e8kSVSJ1jbKM4sMmKtBHlrRB3lqjjT/b

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

ef91dca35b9c0c822b015dad88c9abf0_JaffaCakes118
.exe windows:5 windows x86 arch:x86

Code Sign

5c:71:7f:7a:71:fa:e1:84:9d:7b:dd:00:f0:27:e6:8b
Certificate

Issuer

CN=WoSign Class 3 Code Signing CA,O=WoSign CA Limited,C=CN

Not Before

23/12/2014, 08:09

Not After

23/02/2018, 08:09

Subject

CN=广州华多网络科技有限公司,O=广州华多网络科技有限公司,L=广州市,ST=广东省,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageDigitalSignature

25:1f:5d:98:81:82:17:2e:3c:41:9e:01:4f:b0:40:4c
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/08/2009, 01:00

Not After

08/08/2024, 01:00

Subject

CN=WoSign Time Stamping Signer,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

46:bb:b3:40:fa:b9:c1:79:28:93:8c:93:da:10:86:79
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/08/2009, 01:00

Not After

08/08/2024, 01:00

Subject

CN=WoSign Class 3 Code Signing CA,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

da:83:80:1f:a2:9d:82:9c:d1:60:77:85:6a:b2:ea:d2:7e:a9:35:df
Signer

Actual PE Digest

da:83:80:1f:a2:9d:82:9c:d1:60:77:85:6a:b2:ea:d2:7e:a9:35:df

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 1.4MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 273KB - Virtual size: 276KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 81KB - Virtual size: 84KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 windows x86 arch:x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 448KB - Virtual size: 447KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 77KB - Virtual size: 77KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 32KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

5c:71:7f:7a:71:fa:e1:84:9d:7b:dd:00:f0:27:e6:8bCertificate

Extended Key Usages

Key Usages

25:1f:5d:98:81:82:17:2e:3c:41:9e:01:4f:b0:40:4cCertificate

Extended Key Usages

Key Usages

46:bb:b3:40:fa:b9:c1:79:28:93:8c:93:da:10:86:79Certificate

Extended Key Usages

Key Usages

da:83:80:1f:a2:9d:82:9c:d1:60:77:85:6a:b2:ea:d2:7e:a9:35:dfSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.4MB

UPX1 Size: 273KB - Virtual size: 276KB

.rsrc Size: 81KB - Virtual size: 84KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 448KB - Virtual size: 447KB

.rdata Size: 77KB - Virtual size: 77KB

.data Size: 10KB - Virtual size: 18KB

.rsrc Size: 1.1MB - Virtual size: 1.1MB

.reloc Size: 32KB - Virtual size: 31KB

5c:71:7f:7a:71:fa:e1:84:9d:7b:dd:00:f0:27:e6:8b
Certificate

25:1f:5d:98:81:82:17:2e:3c:41:9e:01:4f:b0:40:4c
Certificate

46:bb:b3:40:fa:b9:c1:79:28:93:8c:93:da:10:86:79
Certificate

da:83:80:1f:a2:9d:82:9c:d1:60:77:85:6a:b2:ea:d2:7e:a9:35:df
Signer

UPX0
Size: - Virtual size: 1.4MB

UPX1
Size: 273KB - Virtual size: 276KB

.rsrc
Size: 81KB - Virtual size: 84KB

.text
Size: 448KB - Virtual size: 447KB

.rdata
Size: 77KB - Virtual size: 77KB

.data
Size: 10KB - Virtual size: 18KB

.rsrc
Size: 1.1MB - Virtual size: 1.1MB

.reloc
Size: 32KB - Virtual size: 31KB