Reader_es_install[.]exe

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General

Target

Reader_es_install.exe
Size

1.6MB
MD5

dd96f2e64bd45ae7c74bffe6e2c2f855
SHA1

07184e16c7fb6250c784c1bf443df54451a868c6
SHA256

6916cfd7c3fe9b29a3656cc1af27e4b46768278e5b26766b324773e89cc2dcbb
SHA512

489340e09739c9913b76d7a7aa6ca5f12815fb45e4d33476cd4c39ccbbbbcbf3142b8873d7b70bb9932021fa82c9511ac79c1c4a62f017f70b46118b379fa139
SSDEEP

24576:hEdIQe/SsiPGR7iRqI1FLrWX99bbVFhZpVQAvUNTcJXu3BSyeMRfSVBZ:rQcbaG9iVPYnvz3vlxCS3r

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

Reader_es_install.exe
.exe windows:5 windows x86 arch:x86

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

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

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:6e:32:fc:b0:e0:3a:0c:0b:2b:c0:4b:56:f2:03:8b
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

03/11/2023, 00:00

Not After

04/11/2025, 23:59

Subject

SERIALNUMBER=2748129,CN=Adobe Inc.,OU=Acrobat 11,O=Adobe Inc.,L=San Jose,ST=ca,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

41:cc:fd:5e:1c:a9:44:ce:25:eb:b7:04:23:17:97:67:4a:32:da:00:e6:ec:39:2b:25:1f:55:e4:d3:b7:12:4d
Signer

Actual PE Digest

41:cc:fd:5e:1c:a9:44:ce:25:eb:b7:04:23:17:97:67:4a:32:da:00:e6:ec:39:2b:25:1f:55:e4:d3:b7:12:4d

Digest Algorithm

sha256

PE Digest Matches

true

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: 2.9MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 19KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 windows x86 arch: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

Exports

Exports

_CreateProcessWithTokenW@36

Sections

.text
Size: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 498KB - Virtual size: 497KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 27KB - Virtual size: 47KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 169KB - Virtual size: 169KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0e:6e:32:fc:b0:e0:3a:0c:0b:2b:c0:4b:56:f2:03:8bCertificate

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

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

41:cc:fd:5e:1c:a9:44:ce:25:eb:b7:04:23:17:97:67:4a:32:da:00:e6:ec:39:2b:25:1f:55:e4:d3:b7:12:4dSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 2.9MB

UPX1 Size: 1.5MB - Virtual size: 1.5MB

.rsrc Size: 19KB - Virtual size: 20KB

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

.text Size: 2.1MB - Virtual size: 2.1MB

.rdata Size: 498KB - Virtual size: 497KB

.data Size: 27KB - Virtual size: 47KB

.rsrc Size: 1.5MB - Virtual size: 1.5MB

.reloc Size: 169KB - Virtual size: 169KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0e:6e:32:fc:b0:e0:3a:0c:0b:2b:c0:4b:56:f2:03:8b
Certificate

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

41:cc:fd:5e:1c:a9:44:ce:25:eb:b7:04:23:17:97:67:4a:32:da:00:e6:ec:39:2b:25:1f:55:e4:d3:b7:12:4d
Signer

UPX0
Size: - Virtual size: 2.9MB

UPX1
Size: 1.5MB - Virtual size: 1.5MB

.rsrc
Size: 19KB - Virtual size: 20KB

.text
Size: 2.1MB - Virtual size: 2.1MB

.rdata
Size: 498KB - Virtual size: 497KB

.data
Size: 27KB - Virtual size: 47KB

.rsrc
Size: 1.5MB - Virtual size: 1.5MB

.reloc
Size: 169KB - Virtual size: 169KB