BrowserUpdater[.]exe

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General

Target

BrowserUpdater.exe
Size

74.9MB
MD5

609993e0e77cacb03484b8a7d39b155a
SHA1

a92eb9fb0d9a0831edabf1733539c44ffe2fe363
SHA256

e18c02b5d24e08af2f65ff4b535ce153fff15d04fba28fbc5ab6737db01c4a28
SHA512

77f56a2d5c5ffb6323fc3405ff2f78b89ca8e4aa83375f946a655bbdc2aca92f0ac051f95e2b2f90e9eabf1e536cb99ca585b343874a644f4356fe913089a9bb
SSDEEP

1572864:xqkCVh0AUCwbNyuEMw3Wjct00SiNDuBcUEeT6LkCF05jwRASebmJQl1HwWObD+30:UJUCm7EMw3AHuNKBcUH6Cj0AS6mJm0DH

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

BrowserUpdater.exe
.exe windows:6 windows x64 arch:x64

Code Sign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01-08-2022 00:00

Not After

09-11-2031 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

7f:71:af:69:23:30:00:2e:03:e1:31:1e:b8:a8:b7:e0
Certificate

Issuer

CN=SSL.com EV Code Signing Intermediate CA RSA R3,O=SSL Corp,L=Houston,ST=Texas,C=US

Not Before

04-07-2024 07:15

Not After

04-07-2025 04:27

Subject

SERIALNUMBER=91130900335872388P,CN=Hebei Yingtong Pipeline Co.\, Ltd.,O=Hebei Yingtong Pipeline Co.\, Ltd.,L=Cangzhou,ST=Hebei,C=CN,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

56:b6:29:cd:34:bc:78:f6
Certificate

Issuer

CN=SSL.com EV Root Certification Authority RSA R2,O=SSL Corporation,L=Houston,ST=Texas,C=US

Not Before

31-05-2017 18:14

Not After

30-05-2042 18:14

Subject

CN=SSL.com EV Root Certification Authority RSA R2,O=SSL Corporation,L=Houston,ST=Texas,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23-03-2022 00:00

Not After

22-03-2037 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

14-07-2023 00:00

Not After

13-10-2034 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

42:4b:6a:53:ce:c7:66:14:1c:2a:63:b1:a5:1c:41:04
Certificate

Issuer

CN=SSL.com EV Root Certification Authority RSA R2,O=SSL Corporation,L=Houston,ST=Texas,C=US

Not Before

26-03-2019 17:44

Not After

22-03-2034 17:44

Subject

CN=SSL.com EV Code Signing Intermediate CA RSA R3,O=SSL Corp,L=Houston,ST=Texas,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

12:3c:27:97:e7:be:a0:3f:77:47:e9:c4:f6:aa:bf:1c:26:87:66:f0
Signer

Actual PE Digest

12:3c:27:97:e7:be:a0:3f:77:47:e9:c4:f6:aa:bf:1c:26:87:66:f0

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Sections

UPX0
Size: - Virtual size: 104.9MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 74.7MB - Virtual size: 74.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 115KB - Virtual size: 116KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:6 windows x64 arch:x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Exports

Exports

_cgo_dummy_export
secp256k1GoPanicError
secp256k1GoPanicIllegal

Sections

.text
Size: 3.8MB - Virtual size: 3.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 290KB - Virtual size: 289KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 2.4MB - Virtual size: 2.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 372KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 144B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 45KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 170.5MB - Virtual size: 170.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

7f:71:af:69:23:30:00:2e:03:e1:31:1e:b8:a8:b7:e0Certificate

Extended Key Usages

Key Usages

56:b6:29:cd:34:bc:78:f6Certificate

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

42:4b:6a:53:ce:c7:66:14:1c:2a:63:b1:a5:1c:41:04Certificate

Extended Key Usages

Key Usages

12:3c:27:97:e7:be:a0:3f:77:47:e9:c4:f6:aa:bf:1c:26:87:66:f0Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 104.9MB

UPX1 Size: 74.7MB - Virtual size: 74.7MB

.rsrc Size: 115KB - Virtual size: 116KB

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

.text Size: 3.8MB - Virtual size: 3.8MB

.data Size: 290KB - Virtual size: 289KB

.rdata Size: 2.4MB - Virtual size: 2.4MB

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

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

.bss Size: - Virtual size: 372KB

.edata Size: 512B - Virtual size: 144B

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

.CRT Size: 512B - Virtual size: 96B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 45KB - Virtual size: 45KB

.rsrc Size: 170.5MB - Virtual size: 170.5MB

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

7f:71:af:69:23:30:00:2e:03:e1:31:1e:b8:a8:b7:e0
Certificate

56:b6:29:cd:34:bc:78:f6
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

42:4b:6a:53:ce:c7:66:14:1c:2a:63:b1:a5:1c:41:04
Certificate

12:3c:27:97:e7:be:a0:3f:77:47:e9:c4:f6:aa:bf:1c:26:87:66:f0
Signer

UPX0
Size: - Virtual size: 104.9MB

UPX1
Size: 74.7MB - Virtual size: 74.7MB

.rsrc
Size: 115KB - Virtual size: 116KB

.text
Size: 3.8MB - Virtual size: 3.8MB

.data
Size: 290KB - Virtual size: 289KB

.rdata
Size: 2.4MB - Virtual size: 2.4MB

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

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

.bss
Size: - Virtual size: 372KB

.edata
Size: 512B - Virtual size: 144B

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

.CRT
Size: 512B - Virtual size: 96B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 45KB - Virtual size: 45KB

.rsrc
Size: 170.5MB - Virtual size: 170.5MB