GTKSetup-de[.]exe

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General

Target

GTKSetup-de.exe
Size

1.1MB
MD5

fb18ddcf3a992f03699a35d3af145da5
SHA1

f1ff113b4c9b7e12bd360038c57a33405df7c0cc
SHA256

94a902e2cc63b32a80d7e822821775a7484e0dd518a3fcd3c1531346c723cf17
SHA512

1e99547d1b0bed0a6c02268a34c8b6aa9210bb0c781ba6035a92fabe102948a7fb3f4b887ec2a4011aa81bea730a6425a8e5481391a998e7bf719be324884180
SSDEEP

24576:31QxU8z+O5iktp/KgDPaPDQOKr1l29tmQNxHDNkggZAbj2Bi3R5Z2K0NI467SGWC:SxiT0KgjaLQOKr1l29tmUjaKb9UHC

Score

5^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
upx

Processes:

resource yara_rule

sample upx
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

unpack001/out.upx

resource	yara_rule
sample	upx

resource
unpack001/out.upx

Files

GTKSetup-de.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

01:a4:e4:f0:72:bb:25:a3:3b:70:39:8a:b6:a1:5a:d4
Certificate

Issuer

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

Not Before

14-03-2024 00:00

Not After

21-03-2025 23:59

Subject

CN=GRIDINSOFT\, TOV,O=GRIDINSOFT\, TOV,L=Kyiv,C=UA

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

bf:8e:bc:6a:94:9f:aa:a0:e8:fe:13:b8:ed:41:c6:ce:8a:5e:a1:07:3d:bf:06:a8:e8:e3:15:6c:69:64:87:47
Signer

Actual PE Digest

bf:8e:bc:6a:94:9f:aa:a0:e8:fe:13:b8:ed:41:c6:ce:8a:5e:a1:07:3d:bf:06:a8:e8:e3:15:6c:69:64:87:47

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_REMOVABLE_RUN_FROM_SWAP
IMAGE_FILE_NET_RUN_FROM_SWAP
IMAGE_FILE_BYTES_REVERSED_HI

Sections

UPX0
Size: - Virtual size: 2.1MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 980KB - Virtual size: 984KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 120KB - Virtual size: 120KB

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_REMOVABLE_RUN_FROM_SWAP
IMAGE_FILE_NET_RUN_FROM_SWAP
IMAGE_FILE_BYTES_REVERSED_HI

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 2.3MB - Virtual size: 2.3MB

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: 35KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 28KB

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: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 167B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 80B

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: 227KB - Virtual size: 227KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 470KB - Virtual size: 470KB

IMAGE_SCN_CNT_INITIALIZED_DATA
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

01:a4:e4:f0:72:bb:25:a3:3b:70:39:8a:b6:a1:5a:d4Certificate

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

bf:8e:bc:6a:94:9f:aa:a0:e8:fe:13:b8:ed:41:c6:ce:8a:5e:a1:07:3d:bf:06:a8:e8:e3:15:6c:69:64:87:47Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 2.1MB

UPX1 Size: 980KB - Virtual size: 984KB

.rsrc Size: 120KB - Virtual size: 120KB

Headers

File Characteristics

Exports

Exports

Sections

.text Size: 2.3MB - Virtual size: 2.3MB

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

.data Size: 35KB - Virtual size: 35KB

.bss Size: - Virtual size: 28KB

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

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

.edata Size: 512B - Virtual size: 167B

.tls Size: - Virtual size: 80B

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

.reloc Size: 227KB - Virtual size: 227KB

.rsrc Size: 470KB - Virtual size: 470KB

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

01:a4:e4:f0:72:bb:25:a3:3b:70:39:8a:b6:a1:5a:d4
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

bf:8e:bc:6a:94:9f:aa:a0:e8:fe:13:b8:ed:41:c6:ce:8a:5e:a1:07:3d:bf:06:a8:e8:e3:15:6c:69:64:87:47
Signer

UPX0
Size: - Virtual size: 2.1MB

UPX1
Size: 980KB - Virtual size: 984KB

.rsrc
Size: 120KB - Virtual size: 120KB

.text
Size: 2.3MB - Virtual size: 2.3MB

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

.data
Size: 35KB - Virtual size: 35KB

.bss
Size: - Virtual size: 28KB

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

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

.edata
Size: 512B - Virtual size: 167B

.tls
Size: - Virtual size: 80B

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

.reloc
Size: 227KB - Virtual size: 227KB

.rsrc
Size: 470KB - Virtual size: 470KB