10252aacf959617ce3e5fd4e9a5a21f6

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General

Target

10252aacf959617ce3e5fd4e9a5a21f6
Size

119KB
MD5

10252aacf959617ce3e5fd4e9a5a21f6
SHA1

f6aaeffcd3e9ae1b9a6546b4634496e09542581c
SHA256

d00d88c37701840740d644e949bee072e5e1604f536d469825d3fd4c6925084d
SHA512

f861e7ffee3a79c5615a5cbc197d5b778c50f08a151b6df0a0b6b04d12947de4a1d1837318f74e6a6840aff6c4e23132aa8cf53fa8ec3eb11a2ae289bb6a179c
SSDEEP

3072:wVVKDsdq/nZLrk2gUbqxiKoGzghXZ8pDs9sPgfar7TMny7:CKSq/nq2gUQiRGzK0DFgfar7H

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

10252aacf959617ce3e5fd4e9a5a21f6
.exe windows:4 windows x86 arch:x86

Code Sign

3d:39:16
Certificate

Issuer

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

Not Before

17/09/2003, 12:57

Not After

16/09/2005, 12:57

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: 44KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 94KB - Virtual size: 96KB

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: 40KB - Virtual size: 37KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 7KB

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: 72KB - Virtual size: 70KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

3d:39:16Certificate

Extended Key Usages

0aCertificate

Extended Key Usages

Key Usages

01Certificate

Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 44KB

UPX1 Size: 94KB - Virtual size: 96KB

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

Headers

File Characteristics

Exports

Exports

Sections

.text Size: 40KB - Virtual size: 37KB

.rdata Size: 8KB - Virtual size: 7KB

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

.rsrc Size: 72KB - Virtual size: 70KB

3d:39:16
Certificate

0a
Certificate

01
Certificate

UPX0
Size: - Virtual size: 44KB

UPX1
Size: 94KB - Virtual size: 96KB

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

.text
Size: 40KB - Virtual size: 37KB

.rdata
Size: 8KB - Virtual size: 7KB

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

.rsrc
Size: 72KB - Virtual size: 70KB