1fc4fcb8f9f8366e01cf66c1685527cb

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General

Target

1fc4fcb8f9f8366e01cf66c1685527cb
Size

190KB
MD5

1fc4fcb8f9f8366e01cf66c1685527cb
SHA1

e01119797cf2dd989f0f6d4708276b78a3133f3c
SHA256

b107c9a0d24ac005040007c385f91e650ddb1f30dc2b8a4475fe329b3f3bab4b
SHA512

b2aa62c2af81ccf8741cc95360b81360e7833b398cead6531025f2283f80ac09d26afd6f217712aa45e76f06e32887b541a48ff03812ebfe1f6d061d4c402b3e
SSDEEP

3072:3fapcAxLrOeBhx9Mk8dedYY+U0QYgPTJPQosfwQEb5t7+oA9JmG3FMIEZ8fCdOrZ:3Sp3JKeBhxWHEYY+U5YgLWo3FtSoA9QG

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

1fc4fcb8f9f8366e01cf66c1685527cb
.exe windows:4 windows x86 arch:x86

Code Sign

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5
Certificate

Issuer

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

Not Before

15/06/2007, 00:00

Not After

14/06/2012, 23:59

Subject

CN=VeriSign Time Stamping Services Signer - G2,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

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

65:52:26:e1:b2:2e:18:e1:59:0f:29:85:ac:22:e7:5c
Certificate

Issuer

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

Not Before

21/05/2009, 00:00

Not After

20/05/2019, 23:59

Subject

CN=VeriSign Class 3 Code Signing 2009-2 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)09,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

5d:fb:ad:e2:20:3d:40:6f:2d:75:10:df:ba:ad:c4:83
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2009-2 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)09,O=VeriSign\, Inc.,C=US

Not Before

07/04/2010, 00:00

Not After

07/05/2011, 23:59

Subject

CN=NKsolution Corp.,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=NKsolution Corp.,L=Jaesong-dong Haeundae-gu,ST=Haeundae-gu,C=KR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

fa:cd:cf:ff:92:5f:cf:9c:f2:31:ed:12:1e:49:88:c1:c5:91:3e:56
Signer

Actual PE Digest

fa:cd:cf:ff:92:5f:cf:9c:f2:31:ed:12:1e:49:88:c1:c5:91:3e:56

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_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 212KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 175KB - Virtual size: 176KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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

Sections

.text
Size: 284KB - Virtual size: 280KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 32KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 28KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5Certificate

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

65:52:26:e1:b2:2e:18:e1:59:0f:29:85:ac:22:e7:5cCertificate

Extended Key Usages

Key Usages

5d:fb:ad:e2:20:3d:40:6f:2d:75:10:df:ba:ad:c4:83Certificate

Extended Key Usages

Key Usages

fa:cd:cf:ff:92:5f:cf:9c:f2:31:ed:12:1e:49:88:c1:c5:91:3e:56Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 212KB

UPX1 Size: 175KB - Virtual size: 176KB

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

Headers

File Characteristics

Sections

.text Size: 284KB - Virtual size: 280KB

.rdata Size: 32KB - Virtual size: 30KB

.data Size: 28KB - Virtual size: 41KB

.rsrc Size: 16KB - Virtual size: 13KB

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5
Certificate

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

65:52:26:e1:b2:2e:18:e1:59:0f:29:85:ac:22:e7:5c
Certificate

5d:fb:ad:e2:20:3d:40:6f:2d:75:10:df:ba:ad:c4:83
Certificate

fa:cd:cf:ff:92:5f:cf:9c:f2:31:ed:12:1e:49:88:c1:c5:91:3e:56
Signer

UPX0
Size: - Virtual size: 212KB

UPX1
Size: 175KB - Virtual size: 176KB

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

.text
Size: 284KB - Virtual size: 280KB

.rdata
Size: 32KB - Virtual size: 30KB

.data
Size: 28KB - Virtual size: 41KB

.rsrc
Size: 16KB - Virtual size: 13KB