Ldr[.]dll | Triage

Sharing

Copy URL Twitter E-mail

General

Target

Ldr.dll
Size

36KB
MD5

5aaec71311881e28637132e2a02b3c35
SHA1

3ab5c8818706c355024d48b444b3b8bd450def0d
SHA256

68d7c6397dc677efb2ce5ab0dc99cb470089b6c1a9d18dab32fa28939b05532b
SHA512

eaecdb9070fd9df5f96d664251d60de50ad10f6806ee7a10ed9dd6415fd057530d5c5b7888b625d87c8cbdd743330bde7dbaa97b4f641ba9c1dcec2e5dcb95a3
SSDEEP

768:yophAB0ghdK/CQnD1uBLldSE9oPxCsuXfPxWER:U001QDAldwPxC3XfPx

Score

1^/10

Malware Config

Signatures

Files

Ldr.dll
.dll regsvr32 windows x86

adaf0822adf9c0e3650a7f4d6124530e

Code Sign

02:32:46:6d:c9:5b:40:ec:9d:21:d9:32:9a:bf:cd:5d
Certificate

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10/02/2020, 00:00

Not After

17/02/2023, 12:00

Subject

SERIALNUMBER=87331519,CN=Martin Prikryl,O=Martin Prikryl,L=Prague,C=CZ,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302435a

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18/04/2012, 12:00

Not After

18/04/2027, 12:00

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

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

02:32:46:6d:c9:5b:40:ec:9d:21:d9:32:9a:bf:cd:5d
Certificate

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10/02/2020, 00:00

Not After

17/02/2023, 12:00

Subject

SERIALNUMBER=87331519,CN=Martin Prikryl,O=Martin Prikryl,L=Prague,C=CZ,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302435a

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18/04/2012, 12:00

Not After

18/04/2027, 12:00

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

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

2f:30:3c:ce:e3:ac:ce:1f:ae:0e:d7:c0:e7:56:5b:1b:66:ee:79:7c:4e:c0:4d:f7:ef:cc:f5:58:ab:68:a1:80
Signer

Actual PE Digest

2f:30:3c:ce:e3:ac:ce:1f:ae:0e:d7:c0:e7:56:5b:1b:66:ee:79:7c:4e:c0:4d:f7:ef:cc:f5:58:ab:68:a1:80

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

true

Verification

Signing Certificate

SERIALNUMBER=87331519,CN=Martin Prikryl,O=Martin Prikryl,L=Prague,C=CZ,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302435a

23/01/2023, 13:31
Valid: true

Chain 1

SERIALNUMBER=87331519,CN=Martin Prikryl,O=Martin Prikryl,L=Prague,C=CZ,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302435a

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

3c:f0:79:fa:81:fc:e8:b6:48:92:41:dc:1b:b7:4a:bd:1c:22:ce:d8
Signer

Actual PE Digest

3c:f0:79:fa:81:fc:e8:b6:48:92:41:dc:1b:b7:4a:bd:1c:22:ce:d8

Digest Algorithm

sha1

PE Digest Matches

false

Signature Validations

Trusted

true

Verification

Signing Certificate

SERIALNUMBER=87331519,CN=Martin Prikryl,O=Martin Prikryl,L=Prague,C=CZ,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302435a

23/01/2023, 13:31
Valid: true

Chain 1

SERIALNUMBER=87331519,CN=Martin Prikryl,O=Martin Prikryl,L=Prague,C=CZ,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302435a

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetTickCount
WriteFile
GetTempPathW
lstrlenA
CreateFileW
GetFileAttributesW
lstrcatA
Sleep
GetLastError
DeleteFileW
CloseHandle
CreateThread
ExitProcess
GetTempFileNameW
VirtualFree
VirtualAlloc
SetErrorMode
lstrcpyA
VirtualProtect
HeapFree
SetLastError
GetProcessHeap
FreeLibrary
IsBadReadPtr
GetModuleFileNameA
GetCurrentProcess
CreateProcessW
lstrcpyW
MoveFileExW
lstrcatW
GetModuleFileNameW
lstrlenW
LocalFree
GetProcAddress
LoadLibraryA
lstrcmpA
LocalAlloc

advapi32

RegSetValueExW
RegOpenKeyExW
RegDeleteValueW
RegQueryValueExA
RegCloseKey
RegSetValueExA
GetTokenInformation
OpenProcessToken
GetSidSubAuthority
GetSidSubAuthorityCount
RegOpenKeyExA

ole32

CoUninitialize

Exports

Exports

DllCanUnloadNow
DllInstall
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 508B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

adaf0822adf9c0e3650a7f4d6124530e

Code Sign

02:32:46:6d:c9:5b:40:ec:9d:21:d9:32:9a:bf:cd:5dCertificate

Extended Key Usages

Key Usages

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

Key Usages

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

Extended Key Usages

Key Usages

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate

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

02:32:46:6d:c9:5b:40:ec:9d:21:d9:32:9a:bf:cd:5dCertificate

Extended Key Usages

Key Usages

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate

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

2f:30:3c:ce:e3:ac:ce:1f:ae:0e:d7:c0:e7:56:5b:1b:66:ee:79:7c:4e:c0:4d:f7:ef:cc:f5:58:ab:68:a1:80Signer

Signature Validations

Verification

23/01/2023, 13:31 Valid: true

Chain 1

3c:f0:79:fa:81:fc:e8:b6:48:92:41:dc:1b:b7:4a:bd:1c:22:ce:d8Signer

Signature Validations

Verification

23/01/2023, 13:31 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

ole32

Exports

Exports

Sections

.text Size: 6KB - Virtual size: 6KB

.rdata Size: 8KB - Virtual size: 8KB

.data Size: 512B - Virtual size: 11KB

.reloc Size: 512B - Virtual size: 508B

02:32:46:6d:c9:5b:40:ec:9d:21:d9:32:9a:bf:cd:5d
Certificate

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

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

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

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

02:32:46:6d:c9:5b:40:ec:9d:21:d9:32:9a:bf:cd:5d
Certificate

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
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

2f:30:3c:ce:e3:ac:ce:1f:ae:0e:d7:c0:e7:56:5b:1b:66:ee:79:7c:4e:c0:4d:f7:ef:cc:f5:58:ab:68:a1:80
Signer

23/01/2023, 13:31
Valid: true

3c:f0:79:fa:81:fc:e8:b6:48:92:41:dc:1b:b7:4a:bd:1c:22:ce:d8
Signer

23/01/2023, 13:31
Valid: true

.text
Size: 6KB - Virtual size: 6KB

.rdata
Size: 8KB - Virtual size: 8KB

.data
Size: 512B - Virtual size: 11KB

.reloc
Size: 512B - Virtual size: 508B