1f4fa87cf4803f50667872e14eb43554[.]exe

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General

Target

1f4fa87cf4803f50667872e14eb43554.exe
Size

214KB
MD5

1f4fa87cf4803f50667872e14eb43554
SHA1

2f0b46d2f87bca8c7493d2f812591f5347a6a43c
SHA256

aefe8a2a1c6f7593c06aba391333253d25ddcd74e8c539052cd9dd6737b1eb4d
SHA512

833689824198a0738764d1f4ce1b30f46e006ace27f47747649ba75e01c7fe9a83dc62200da0b7bf6e877053da449f3fb43c7d30dcb72b59a02a29f5cb4d5d70
SSDEEP

3072:AbWqYPquvBzGBPap6UAqNnpBqJe24NENCySZLURqXgdulEi483AhU8zAQz6l+aVR:ASrtUHC5bGRNCyAXHAh3Ae6l+6EkT

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

1f4fa87cf4803f50667872e14eb43554.exe
.exe windows x86

Code Sign

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

12/03/2019, 00:00

Not After

31/12/2028, 23:59

Subject

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

7b:49:49:3c:c1:d5:e7:3e:4f:a9:eb:a4:cd:ba:3f:d6
Certificate

Issuer

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

01/03/2021, 00:00

Not After

29/02/2024, 23:59

Subject

CN=Beijing Huorong Network Technology Co.\, Ltd.,O=Beijing Huorong Network Technology Co.\, Ltd.,POSTALCODE=100012,STREET=3rd Floor\, Ruipu Building D\, Courtyard 15\, Hongjunying South Road\, Chao Yang District,L=Beijing Shi,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/11/2018, 00:00

Not After

31/12/2030, 23:59

Subject

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

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

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

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

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

27:7b:b8:4d:c1:d4:62:49:56:7a:e6:88:30:33:76:ec:6a:a9:99:83:3f:0a:92:f5:b9:7e:6b:48:fa:b5:e3:29
Signer

Actual PE Digest

27:7b:b8:4d:c1:d4:62:49:56:7a:e6:88:30:33:76:ec:6a:a9:99:83:3f:0a:92:f5:b9:7e:6b:48:fa:b5:e3:29

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Beijing Huorong Network Technology Co.\, Ltd.,O=Beijing Huorong Network Technology Co.\, Ltd.,POSTALCODE=100012,STREET=3rd Floor\, Ruipu Building D\, Courtyard 15\, Hongjunying South Road\, Chao Yang District,L=Beijing Shi,C=CN

29/03/2023, 10:34
Valid: true

Chain 1

CN=Beijing Huorong Network Technology Co.\, Ltd.,O=Beijing Huorong Network Technology Co.\, Ltd.,POSTALCODE=100012,STREET=3rd Floor\, Ruipu Building D\, Courtyard 15\, Hongjunying South Road\, Chao Yang District,L=Beijing Shi,C=CN

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Chain 2

CN=Beijing Huorong Network Technology Co.\, Ltd.,O=Beijing Huorong Network Technology Co.\, Ltd.,POSTALCODE=100012,STREET=3rd Floor\, Ruipu Building D\, Courtyard 15\, Hongjunying South Road\, Chao Yang District,L=Beijing Shi,C=CN

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 392KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 187KB - Virtual size: 188KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 15KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 133KB - Virtual size: 132KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 65KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 334KB - Virtual size: 333KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95Certificate

Key Usages

7b:49:49:3c:c1:d5:e7:3e:4f:a9:eb:a4:cd:ba:3f:d6Certificate

Extended Key Usages

Key Usages

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6aCertificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

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

Key Usages

27:7b:b8:4d:c1:d4:62:49:56:7a:e6:88:30:33:76:ec:6a:a9:99:83:3f:0a:92:f5:b9:7e:6b:48:fa:b5:e3:29Signer

Signature Validations

Verification

29/03/2023, 10:34 Valid: true

Chain 1

Chain 2

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 392KB

UPX1 Size: 187KB - Virtual size: 188KB

.rsrc Size: 15KB - Virtual size: 16KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 133KB - Virtual size: 132KB

.rdata Size: 65KB - Virtual size: 64KB

.data Size: 10KB - Virtual size: 13KB

.rsrc Size: 334KB - Virtual size: 333KB

.reloc Size: 11KB - Virtual size: 10KB

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95
Certificate

7b:49:49:3c:c1:d5:e7:3e:4f:a9:eb:a4:cd:ba:3f:d6
Certificate

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

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

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

27:7b:b8:4d:c1:d4:62:49:56:7a:e6:88:30:33:76:ec:6a:a9:99:83:3f:0a:92:f5:b9:7e:6b:48:fa:b5:e3:29
Signer

29/03/2023, 10:34
Valid: true

UPX0
Size: - Virtual size: 392KB

UPX1
Size: 187KB - Virtual size: 188KB

.rsrc
Size: 15KB - Virtual size: 16KB

.text
Size: 133KB - Virtual size: 132KB

.rdata
Size: 65KB - Virtual size: 64KB

.data
Size: 10KB - Virtual size: 13KB

.rsrc
Size: 334KB - Virtual size: 333KB

.reloc
Size: 11KB - Virtual size: 10KB