installer[.]exe[.]1

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General

Target

installer.exe.1
Size

17.2MB
MD5

54373b0f78368991613b2de88c88e031
SHA1

101a9b7c1d718b4736022a1512339b19595a1249
SHA256

3c77c16ee21ff2f584b1eb5df4882976a934d50d1d4e0886b98bf4d33fe1dccc
SHA512

7f35b5aa86a86a986888134230f1e2ce3d77fde1123c714b3f72bcde1272d3fa1dcc05406dca9c5cd25f807f92976d0d77016f9fbdca7017412b4f09ecde0f5d
SSDEEP

393216:DlvZgujNosdXfmSgJeUj6hl8EVlX9/B9hxvefjM5U+Ko/BrzhNwh:D5muFN0JeUj6hl8EVltpTxUjKKULWh

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

installer.exe.1
.exe windows x86

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21-12-2012 00:00

Not After

30-12-2020 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cb
Certificate

Issuer

CN=thawte Primary Root CA,OU=Certification Services Division+OU=(c) 2006 thawte\, Inc. - For authorized use only,O=thawte\, Inc.,C=US

Not Before

10-12-2013 00:00

Not After

09-12-2023 23:59

Subject

CN=thawte SHA256 Code Signing CA,O=thawte\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18-10-2012 00:00

Not After

29-12-2020 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

3a:c0:79:ae:78:80:1b:8d:68:22:a3:09:88:e1:7d:d2
Certificate

Issuer

CN=thawte SHA256 Code Signing CA,O=thawte\, Inc.,C=US

Not Before

12-06-2019 00:00

Not After

10-06-2021 23:59

Subject

CN=Ter-Osipov Aleksey Vladimirovich,O=Ter-Osipov Aleksey Vladimirovich,L=Shakhty,ST=Rostovskaya oblast,C=RU

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

4b:e7:ee:02:a0:08:53:5a:2e:2f:41:81:b3:64:f5:95:0f:93:2e:56:55:60:7a:20:e7:f9:24:89:39:ff:c9:37
Signer

Actual PE Digest

4b:e7:ee:02:a0:08:53:5a:2e:2f:41:81:b3:64:f5:95:0f:93:2e:56:55:60:7a:20:e7:f9:24:89:39:ff:c9:37

Digest Algorithm

sha256

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: 19.0MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 919KB - Virtual size: 920KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16.3MB - Virtual size: 16.3MB

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

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 2.7MB - Virtual size: 2.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 79KB - Virtual size: 79KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 546KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 14KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 158B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 76B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 93B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 253KB - Virtual size: 252KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 16.3MB - Virtual size: 16.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cbCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

3a:c0:79:ae:78:80:1b:8d:68:22:a3:09:88:e1:7d:d2Certificate

Extended Key Usages

Key Usages

4b:e7:ee:02:a0:08:53:5a:2e:2f:41:81:b3:64:f5:95:0f:93:2e:56:55:60:7a:20:e7:f9:24:89:39:ff:c9:37Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 19.0MB

UPX1 Size: 919KB - Virtual size: 920KB

.rsrc Size: 16.3MB - Virtual size: 16.3MB

Headers

File Characteristics

Exports

Exports

Sections

.text Size: 2.7MB - Virtual size: 2.7MB

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

.data Size: 79KB - Virtual size: 79KB

.bss Size: - Virtual size: 546KB

.idata Size: 14KB - Virtual size: 14KB

.didata Size: 3KB - Virtual size: 3KB

.edata Size: 512B - Virtual size: 158B

.tls Size: - Virtual size: 76B

.rdata Size: 512B - Virtual size: 93B

.reloc Size: 253KB - Virtual size: 252KB

.rsrc Size: 16.3MB - Virtual size: 16.3MB

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cb
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

3a:c0:79:ae:78:80:1b:8d:68:22:a3:09:88:e1:7d:d2
Certificate

4b:e7:ee:02:a0:08:53:5a:2e:2f:41:81:b3:64:f5:95:0f:93:2e:56:55:60:7a:20:e7:f9:24:89:39:ff:c9:37
Signer

UPX0
Size: - Virtual size: 19.0MB

UPX1
Size: 919KB - Virtual size: 920KB

.rsrc
Size: 16.3MB - Virtual size: 16.3MB

.text
Size: 2.7MB - Virtual size: 2.7MB

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

.data
Size: 79KB - Virtual size: 79KB

.bss
Size: - Virtual size: 546KB

.idata
Size: 14KB - Virtual size: 14KB

.didata
Size: 3KB - Virtual size: 3KB

.edata
Size: 512B - Virtual size: 158B

.tls
Size: - Virtual size: 76B

.rdata
Size: 512B - Virtual size: 93B

.reloc
Size: 253KB - Virtual size: 252KB

.rsrc
Size: 16.3MB - Virtual size: 16.3MB