install-antimalware[.]exe

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General

Target

install-antimalware.exe
Size

1.2MB
MD5

c9f9c9373a9f16167bfc84975e1c1d3f
SHA1

f7a8b0671248154429ba91a1d2c10d8694406149
SHA256

71d136f4281017e3b524622d3677d161740e74f816fcb3add93e8415b66574a2
SHA512

3a3612760cdad5fa951d6f8d79a327c4817ce5a2044f60738ccf556ab01e36642fc6bfe0b70bb01bc263aa846cb67ecb57118a985acadbb82682901cee5bd20a
SSDEEP

24576:LrUcI417drLF6M6Nt/FZLEgzH3TwDPakaTJN+FwNZdLQLNLLD:LnIi16rTQvDPa3JN+Fw5LQLNLLD

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

install-antimalware.exe
.exe windows:5 windows x86 arch: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

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

36:e4:30:a0:48:54:5f:5e:36:e1:b5:5c:e5:5f:65:e0
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

08/01/2015, 00:00

Not After

06/02/2018, 23:59

Subject

CN=Gridinsoft\, LLC,O=Gridinsoft\, LLC,L=Kiev,ST=Kiev,C=UA

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

60:d8:fe:bb:89:91:3e:b0:c7:72:04:31:f8:96:d1:01:22:80:f2:99
Signer

Actual PE Digest

60:d8:fe:bb:89:91:3e:b0:c7:72:04:31:f8:96:d1:01:22:80:f2:99

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: 3.3MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 989KB - Virtual size: 992KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 189KB - Virtual size: 192KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Exports

Exports

TMethodImplementationIntercept

Sections

.text
Size: 2.5MB - Virtual size: 2.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 71KB - Virtual size: 71KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 619KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 106B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 84B

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: 238KB - Virtual size: 238KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 808KB - Virtual size: 808KB

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

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

Extended Key Usages

Key Usages

36:e4:30:a0:48:54:5f:5e:36:e1:b5:5c:e5:5f:65:e0Certificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

60:d8:fe:bb:89:91:3e:b0:c7:72:04:31:f8:96:d1:01:22:80:f2:99Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 3.3MB

UPX1 Size: 989KB - Virtual size: 992KB

.rsrc Size: 189KB - Virtual size: 192KB

Headers

File Characteristics

Exports

Exports

Sections

.text Size: 2.5MB - Virtual size: 2.5MB

.itext Size: 9KB - Virtual size: 9KB

.data Size: 71KB - Virtual size: 71KB

.bss Size: - Virtual size: 619KB

.idata Size: 14KB - Virtual size: 13KB

.didata Size: 2KB - Virtual size: 2KB

.edata Size: 512B - Virtual size: 106B

.tls Size: - Virtual size: 84B

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

.reloc Size: 238KB - Virtual size: 238KB

.rsrc Size: 808KB - Virtual size: 808KB

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

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

36:e4:30:a0:48:54:5f:5e:36:e1:b5:5c:e5:5f:65:e0
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

60:d8:fe:bb:89:91:3e:b0:c7:72:04:31:f8:96:d1:01:22:80:f2:99
Signer

UPX0
Size: - Virtual size: 3.3MB

UPX1
Size: 989KB - Virtual size: 992KB

.rsrc
Size: 189KB - Virtual size: 192KB

.text
Size: 2.5MB - Virtual size: 2.5MB

.itext
Size: 9KB - Virtual size: 9KB

.data
Size: 71KB - Virtual size: 71KB

.bss
Size: - Virtual size: 619KB

.idata
Size: 14KB - Virtual size: 13KB

.didata
Size: 2KB - Virtual size: 2KB

.edata
Size: 512B - Virtual size: 106B

.tls
Size: - Virtual size: 84B

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

.reloc
Size: 238KB - Virtual size: 238KB

.rsrc
Size: 808KB - Virtual size: 808KB