TreeSizeFree[.]exe

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General

Target

TreeSizeFree.exe
Size

711KB
MD5

d840b754a1a4a48368acaafe89079f4b
SHA1

4b595726a36479090514bc59f23f8e3321a8b62e
SHA256

f27441bbe9a68518ccc9f43fd390f5af02ada623e18b30bc662bb4ca302d271a
SHA512

8401a6d5967be790d84e1ad39e8890ff93d2f1182d5357557339eaf90f420800ae3ec79f3b63ba3d6f3f6e0d945574cf1dbf8133e3089a7f9877b34586eb0a3f
SSDEEP

12288:GJ/pxgSEHSgeHMZVtIdrA6Wb4T1KzrM77Mtxn/CScGCjy91gS06pgZjDFiua:c/bFBXHMKA6YcKM77e/f6YhwD7

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

TreeSizeFree.exe
.exe windows x86

Code Sign

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

0d:e9:2b:f0:d4:d8:29:88:18:32:05:09:5e:9a:76:88
Certificate

Issuer

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Not Before

04/12/2003, 00:00

Not After

03/12/2008, 23:59

Subject

CN=VeriSign Time Stamping Services Signer,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

41:91:a1:5a:39:78:df:cf:49:65:66:38:1d:4c:75:c2
Certificate

Issuer

OU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=US

Not Before

16/07/2004, 00:00

Not After

15/07/2014, 23:59

Subject

CN=VeriSign Class 3 Code Signing 2004 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)04,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

15:e2:7f:ac:14:0f:df:8d:a0:62:68:27:96:e3:c2:e8
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2004 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)04,O=VeriSign\, Inc.,C=US

Not Before

21/11/2006, 00:00

Not After

15/02/2010, 23:59

Subject

CN=JAM Software,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=JAM Software,L=Trier,ST=Rheinland-Pfalz,C=DE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

ff:f5:ea:f7:dd:fc:32:da:68:26:b3:4f:4b:50:c9:05:fe:08:fb:26
Signer

Actual PE Digest

ff:f5:ea:f7:dd:fc:32:da:68:26:b3:4f:4b:50:c9:05:fe:08:fb:26

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: 1.2MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 689KB - Virtual size: 692KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 15KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows 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

Exports

Exports

EurekaLog_AttachedFilesRequestEvent
EurekaLog_CallCreateThread
EurekaLog_CallExceptObject
EurekaLog_CallExitThread
EurekaLog_CallGeneralRaise
EurekaLog_CallResumeThread
EurekaLog_CustomDataRequestEvent
EurekaLog_CustomFieldsRequestEvent
EurekaLog_ExceptionActionNotifyEvent
EurekaLog_ExceptionErrorNotifyEvent
EurekaLog_ExceptionNotifyEvent
EurekaLog_PasswordRequestEvent
EurekaLog_PasswordRequestEventEx
ExceptionManager

Sections

.text
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 27KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 26KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 18KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 1024B - Virtual size: 619B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 304B

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: 96KB - Virtual size: 95KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 249KB - Virtual size: 249KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate

Extended Key Usages

Key Usages

0d:e9:2b:f0:d4:d8:29:88:18:32:05:09:5e:9a:76:88Certificate

Extended Key Usages

Key Usages

41:91:a1:5a:39:78:df:cf:49:65:66:38:1d:4c:75:c2Certificate

Extended Key Usages

Key Usages

15:e2:7f:ac:14:0f:df:8d:a0:62:68:27:96:e3:c2:e8Certificate

Extended Key Usages

Key Usages

ff:f5:ea:f7:dd:fc:32:da:68:26:b3:4f:4b:50:c9:05:fe:08:fb:26Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.2MB

UPX1 Size: 689KB - Virtual size: 692KB

.rsrc Size: 15KB - Virtual size: 16KB

Headers

File Characteristics

Exports

Exports

Sections

.text Size: 1.4MB - Virtual size: 1.4MB

.itext Size: 6KB - Virtual size: 6KB

.data Size: 27KB - Virtual size: 27KB

.bss Size: - Virtual size: 26KB

.idata Size: 18KB - Virtual size: 17KB

.edata Size: 1024B - Virtual size: 619B

.tls Size: - Virtual size: 304B

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

.reloc Size: 96KB - Virtual size: 95KB

.rsrc Size: 249KB - Virtual size: 249KB

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

0d:e9:2b:f0:d4:d8:29:88:18:32:05:09:5e:9a:76:88
Certificate

41:91:a1:5a:39:78:df:cf:49:65:66:38:1d:4c:75:c2
Certificate

15:e2:7f:ac:14:0f:df:8d:a0:62:68:27:96:e3:c2:e8
Certificate

ff:f5:ea:f7:dd:fc:32:da:68:26:b3:4f:4b:50:c9:05:fe:08:fb:26
Signer

UPX0
Size: - Virtual size: 1.2MB

UPX1
Size: 689KB - Virtual size: 692KB

.rsrc
Size: 15KB - Virtual size: 16KB

.text
Size: 1.4MB - Virtual size: 1.4MB

.itext
Size: 6KB - Virtual size: 6KB

.data
Size: 27KB - Virtual size: 27KB

.bss
Size: - Virtual size: 26KB

.idata
Size: 18KB - Virtual size: 17KB

.edata
Size: 1024B - Virtual size: 619B

.tls
Size: - Virtual size: 304B

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

.reloc
Size: 96KB - Virtual size: 95KB

.rsrc
Size: 249KB - Virtual size: 249KB