WD Fucker[.]zip | Triage

Sharing

General

Target

WD Fucker.zip
Size

447KB
MD5

119cf9dc8de1b19d8bfd906048c4553c
SHA1

a11218102a62f1f9515fbd514f5c7e348c6702e4
SHA256

92551d050e53e336ec827ef97e989d53c021b6f2b68e736207789f6383991d65
SHA512

11c48f2993eb3b5a2472a15fbcb8b68b54eec592c7e6cf767afb71e790f841bdaa581519032db7a0e88025b6ac23208a17d8293706a5b28404289700fd38f74c
SSDEEP

12288:UzoljnMjhdmYkCRo2gfLc4G4rsNncix51tvtJLGY:I+Mddk2gTc4GRcE51h+Y

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

resource	yara_rule
static1/unpack001/WD Fucker/dControl.exe	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
static1/unpack002/out.upx	autoit_exe

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack002/out.upx

Files

WD Fucker.zip
.zip
WD Fucker/Defender_Settings.vbs
.vbs
WD Fucker/ReadMe.txt
WD Fucker/dControl.exe
.exe windows:5 windows x86 arch:x86

Code Sign

69:98:6c:80:0a:7c:5b:8e:47:86:45:a0:3e:86:d5:40
Certificate

Issuer

CN=Sordum Software

Not Before

11-09-2021 21:00

Not After

31-07-2030 21:00

Subject

CN=Sordum Software

Extended Key Usages

ExtKeyUsageCodeSigning

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

31-05-2021 06:43

Not After

17-09-2029 06:43

Subject

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

f1:64:25:8c:09:b6:e2:7b:e2:0e:32:60:8e:4b:f4:a8
Certificate

Issuer

CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL

Not Before

19-05-2021 05:42

Not After

18-05-2032 05:42

Subject

CN=Certum Timestamp 2021,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87
Certificate

Issuer

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

19-05-2021 05:32

Not After

18-05-2036 05:32

Subject

CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

13:f6:ef:3f:06:29:49:56:6c:21:59:e0:0c:ac:6f:83:24:95:fa:e4
Signer

Actual PE Digest

13:f6:ef:3f:06:29:49:56:6c:21:59:e0:0c:ac:6f:83:24:95:fa:e4

Digest Algorithm

sha1

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 492KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 262KB - Virtual size: 264KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 57KB - Virtual size: 60KB

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_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 514KB - Virtual size: 513KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 56KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 26KB - Virtual size: 105KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 56KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
WD Fucker/dControl.ini