1353acad35d3480b065e1ad11622b4329bce0ae752684dda70c519cceafa874c

General

Target
1353acad35d3480b065e1ad11622b4329bce0ae752684dda70c519cceafa874c.dll
Size 724KB
Sample260729-eqxsqstfpg
SHA256 1353acad35d3480b065e1ad11622b4329bce0ae752684dda70c519cceafa874c
MD5 b8f4309ac2e3288f1d8cb7573698d71f
SHA1 db2bfba853fdcc974d93858aa89b06f90d22c79a
SHA512 4fdbccccf1b9e72731aa3a5b5fcc67c474901f836d52d643cbc9dc718b0d9dcf51eb9ee50184f161fcec48eba58139e32611e29649d34e67e774b4c5eece1426
SSDEEP 6144:g+INvdZQINeHdS+INDkDDBL1wSWvmk1wSWvmIhiamYwYuM5mM8+INATw:gv3QINtvD+1wtZ1wtvhdmYwYZ8M8vAM
TLSH
T1F5F42911E289E4E1E4A709701E9FE37B0A28B77081248E5BF748DF4C6D72FD22996717
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 22 IoCs

Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 1\CryptDllFormatObject\2.5.29.32\Dll = "cryptdlg.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\Providers\Trust\Initialization\{7801EBD0-CF4B-11D0-851F-0060979387EA}\$Function = "CertTrustInit"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\Providers\Trust\CertCheck\{7801EBD0-CF4B-11D0-851F-0060979387EA}\$Function = "CertTrustCertPolicy"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\1.3.6.1.4.1.311.16.1.1\Dll = "cryptdlg.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\1.3.6.1.4.1.311.16.1.1\FuncName = "DecodeAttrSequence"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 1\CryptDllFormatObject\1.3.6.1.5.5.7.3.4\FuncName = "FormatPKIXEmailProtection"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 1\CryptDllFormatObject\2.5.29.32\FuncName = "FormatVerisignExtension"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\Providers\Trust\Initialization\{7801EBD0-CF4B-11D0-851F-0060979387EA}\$DLL = "cryptdlg.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\1.3.6.1.4.1.311.16.1.1\Dll = "cryptdlg.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\1.3.6.1.4.1.311.16.4\Dll = "cryptdlg.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\Providers\Trust\Certificate\{7801EBD0-CF4B-11D0-851F-0060979387EA}\$DLL = "wintrust.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\Providers\Trust\Certificate\{7801EBD0-CF4B-11D0-851F-0060979387EA}\$Function = "WintrustCertificateTrust"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\Providers\Trust\FinalPolicy\{7801EBD0-CF4B-11D0-851F-0060979387EA}\$DLL = "cryptdlg.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\Providers\Trust\FinalPolicy\{7801EBD0-CF4B-11D0-851F-0060979387EA}\$Function = "CertTrustFinalPolicy"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\Providers\Trust\Cleanup\{7801EBD0-CF4B-11D0-851F-0060979387EA}\$DLL = "cryptdlg.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\1.3.6.1.4.1.311.16.4\Dll = "cryptdlg.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\1.3.6.1.4.1.311.16.4\FuncName = "EncodeRecipientID"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\1.3.6.1.4.1.311.16.4\FuncName = "DecodeRecipientID"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\Providers\Trust\CertCheck\{7801EBD0-CF4B-11D0-851F-0060979387EA}\$DLL = "cryptdlg.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\Providers\Trust\Cleanup\{7801EBD0-CF4B-11D0-851F-0060979387EA}\$Function = "CertTrustCleanup"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\1.3.6.1.4.1.311.16.1.1\FuncName = "EncodeAttrSequence"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 1\CryptDllFormatObject\1.3.6.1.5.5.7.3.4\Dll = "cryptdlg.dll"	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 124 wrote to memory of 2028	124	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1353acad35d3480b065e1ad11622b4329bce0ae752684dda70c519cceafa874c.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:124
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1353acad35d3480b065e1ad11622b4329bce0ae752684dda70c519cceafa874c.dll
  2⤵
  - Manipulates Digital Signatures
  - System Location Discovery: System Language Discovery
  PID:2028