bc6907e93616d65660f0708e9b4a34a9

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General

Target

bc6907e93616d65660f0708e9b4a34a9
Size

125KB
MD5

bc6907e93616d65660f0708e9b4a34a9
SHA1

e8be12ae997d97f8dee4eae5ba7530357f0718b9
SHA256

c6e599d07f31c670d816604b1da9b47a9f3da615ab3c0fa52a79eadb0d9757f8
SHA512

cb7cca1ed82705be9d87f3d38064174fbe7e4a3fb441a79ba68c3c0a24564ad6edd0c3af0b01b0742a60a2590577c0b25a4905264d093e9bc178ae530784448e
SSDEEP

3072:yhEs/eIUM/pAJFTnOgUHx1lu0C70cOQi4eynA:yh32IUM/p6UHIkQVeV

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

bc6907e93616d65660f0708e9b4a34a9
.exe windows:4 windows x86 arch:x86

Code Sign

3f:c3:98
Certificate

Issuer

CN=Thawte Code Signing CA,O=Thawte Consulting (Pty) Ltd.,C=ZA

Not Before

15/08/2005, 01:51

Not After

16/09/2007, 13:25

Subject

CN=electronic-group,OU=Secure Application Development,O=electronic-group,L=Lyon,ST=Rhone,C=FR

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

0a
Certificate

Issuer

CN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6d

Not Before

06/08/2003, 00:00

Not After

05/08/2013, 23:59

Subject

CN=Thawte Code Signing CA,O=Thawte Consulting (Pty) Ltd.,C=ZA

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

01
Certificate

Issuer

CN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6d

Not Before

01/08/1996, 00:00

Not After

31/12/2020, 23:59

Subject

CN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6d

Signer

Actual PE Digest

Digest Algorithm

PE Digest Matches

false

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 52KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 97KB - Virtual size: 100KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 4KB

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_32BIT_MACHINE

Exports

Exports

??0ZlibEngine@@QAE@ABV0@@Z
??0ZlibEngine@@QAE@XZ
??4ZlibEngine@@QAEAAV0@ABV0@@Z
??_7ZlibEngine@@6B@
?compress@ZlibEngine@@QAEHPBD0H@Z
?decompress@ZlibEngine@@QAEHPBD0@Z
?flush_output@ZlibEngine@@IAEHXZ
?load_input@ZlibEngine@@IAEHXZ
?percent@ZlibEngine@@IAEHXZ
?progress@ZlibEngine@@MAEXH@Z
?set_abort_flag@ZlibEngine@@QAEXH@Z
?status@ZlibEngine@@MAEXPAD@Z

Sections

.text
Size: 44KB - Virtual size: 40KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 12KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 76KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

3f:c3:98Certificate

Extended Key Usages

0aCertificate

Extended Key Usages

Key Usages

01Certificate

Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 52KB

UPX1 Size: 97KB - Virtual size: 100KB

.rsrc Size: 3KB - Virtual size: 4KB

Headers

File Characteristics

Exports

Exports

Sections

.text Size: 44KB - Virtual size: 40KB

.rdata Size: 12KB - Virtual size: 8KB

.data Size: 4KB - Virtual size: 10KB

.rsrc Size: 76KB - Virtual size: 72KB

3f:c3:98
Certificate

0a
Certificate

01
Certificate

UPX0
Size: - Virtual size: 52KB

UPX1
Size: 97KB - Virtual size: 100KB

.rsrc
Size: 3KB - Virtual size: 4KB

.text
Size: 44KB - Virtual size: 40KB

.rdata
Size: 12KB - Virtual size: 8KB

.data
Size: 4KB - Virtual size: 10KB

.rsrc
Size: 76KB - Virtual size: 72KB