mimikatz | mimilib[.]dll

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General

Target

mimilib.dll
Size

50KB
MD5

d0a1828f64842dde399244d604ceea24
SHA1

875ba476ec3424f6a16db57306bdb57166a3f1a4
SHA256

70c62e0f2725a158d53c4fe2be205bb5ae07264a85af693741761e7fb7c8c521
SHA512

f113b0ebec33c4ff48c38d2abbf40fa6027bf6b0dbb9f154161724a55ef4c52bfa4c0be765ed35ac9886ed77cb7b50352d63e10ebc19e417c667fe967d24005a
SSDEEP

1536:/djLFi3O7O8dgejilIn0eiToL7SPNXiFoL7SPQ:/AO7O86ejilInzicfSPNXiGfSPQ

Score

10^/10

mimikatz

Malware Config

Signatures

Mimikatz family
mimikatz

mimikatz is an open source tool to dump credentials on Windows 1 IoCs

resource	yara_rule
sample	mimikatz

Files

mimilib.dll
.dll windows x86

721f5090ab31a091c5b9778028cc974c

Code Sign

0f:10:c0:55:a6:79:3b:59:c7:d8:f5:2d:64:b3:98:8d
Certificate

Issuer

CN=Certum Code Signing 2021 CA,O=Asseco Data Systems S.A.,C=PL

Not Before

29/05/2021, 04:32

Not After

29/05/2022, 04:32

Subject

CN=Open Source Developer\, Benjamin Delpy,O=Open Source Developer,L=Montreuil,C=FR,1.2.840.113549.1.9.1=#0c1762656e6a616d696e4067656e74696c6b6977692e636f6d

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

99:a3:80:0a:26:55:3b:65:ab:dc:6e:84:a6:b3:ea:39
Certificate

Issuer

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

19/05/2021, 05:32

Not After

18/05/2036, 05:32

Subject

CN=Certum Code Signing 2021 CA,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

f1:64:25:8c:09:b6:e2:7b:e2:0e:32:60:8e:4b:f4:a8
Certificate

Issuer

CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL

Not Before

19/05/2021, 05:42

Not After

18/05/2032, 05:42

Subject

CN=Certum Timestamp 2021,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87
Certificate

Issuer

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

19/05/2021, 05:32

Not After

18/05/2036, 05:32

Subject

CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

31/05/2021, 06:43

Not After

17/09/2029, 06:43

Subject

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0f:10:c0:55:a6:79:3b:59:c7:d8:f5:2d:64:b3:98:8d
Certificate

Issuer

CN=Certum Code Signing 2021 CA,O=Asseco Data Systems S.A.,C=PL

Not Before

29/05/2021, 04:32

Not After

29/05/2022, 04:32

Subject

CN=Open Source Developer\, Benjamin Delpy,O=Open Source Developer,L=Montreuil,C=FR,1.2.840.113549.1.9.1=#0c1762656e6a616d696e4067656e74696c6b6977692e636f6d

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

99:a3:80:0a:26:55:3b:65:ab:dc:6e:84:a6:b3:ea:39
Certificate

Issuer

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

19/05/2021, 05:32

Not After

18/05/2036, 05:32

Subject

CN=Certum Code Signing 2021 CA,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

f1:64:25:8c:09:b6:e2:7b:e2:0e:32:60:8e:4b:f4:a8
Certificate

Issuer

CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL

Not Before

19/05/2021, 05:42

Not After

18/05/2032, 05:42

Subject

CN=Certum Timestamp 2021,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87
Certificate

Issuer

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

19/05/2021, 05:32

Not After

18/05/2036, 05:32

Subject

CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

31/05/2021, 06:43

Not After

17/09/2029, 06:43

Subject

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

36:e1:ed:78:91:fc:18:1f:6a:51:ec:d9:2a:16:1f:e4:35:73:8b:cb:e5:8c:0b:50:bd:2b:81:9e:e6:24:52:c8
Signer

Actual PE Digest

36:e1:ed:78:91:fc:18:1f:6a:51:ec:d9:2a:16:1f:e4:35:73:8b:cb:e5:8c:0b:50:bd:2b:81:9e:e6:24:52:c8

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Open Source Developer\, Benjamin Delpy,O=Open Source Developer,L=Montreuil,C=FR,1.2.840.113549.1.9.1=#0c1762656e6a616d696e4067656e74696c6b6977692e636f6d

15/12/2022, 13:57
Valid: false

a9:3a:10:6c:84:4d:4a:52:55:2b:fc:dc:20:49:cb:82:be:ce:33:0e
Signer

Actual PE Digest

a9:3a:10:6c:84:4d:4a:52:55:2b:fc:dc:20:49:cb:82:be:ce:33:0e

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Open Source Developer\, Benjamin Delpy,O=Open Source Developer,L=Montreuil,C=FR,1.2.840.113549.1.9.1=#0c1762656e6a616d696e4067656e74696c6b6977692e636f6d

15/12/2022, 13:57
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

advapi32

CreateRestrictedToken
CreateProcessAsUserW
ConvertSidToStringSidA
IsTextUnicode
OpenProcessToken

ntdll

RtlFreeUnicodeString
RtlStringFromGUID
RtlEqualString

rpcrt4

MesDecodeIncrementalHandleCreate
MesIncrementalHandleReset
NdrMesTypeDecode2
NdrMesTypeFree2
MesHandleFree

ole32

CoCreateInstance

kernel32

GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
GetTickCount
UnhandledExceptionFilter
TerminateProcess
InterlockedCompareExchange
Sleep
RtlUnwind
QueryPerformanceCounter
GetCurrentProcess
CloseHandle
FreeLibrary
LoadLibraryW
lstrlenW
GetProcAddress
InterlockedIncrement
InterlockedDecrement
GetLastError
VirtualProtect
LocalAlloc
LocalFree
GetTimeFormatA
GetDateFormatA
FileTimeToSystemTime
FileTimeToLocalFileTime
RaiseException
InterlockedExchange
LoadLibraryA
SetUnhandledExceptionFilter

msvcrt

fclose
free
malloc
_stricmp
vfwprintf
fflush
memset
memcpy
_XcptFilter
_initterm
_amsg_exit
_wfopen
_except_handler3

Exports

Exports

DhcpNewPktHook
DhcpServerCalloutEntry
DllCanUnloadNow
DllGetClassObject
DnsPluginCleanup
DnsPluginInitialize
DnsPluginQuery
ExtensionApiVersion
InitializeChangeNotify
Msv1_0SubAuthenticationFilter
Msv1_0SubAuthenticationRoutine
NPGetCaps
NPLogonNotify
PasswordChangeNotify
SpLsaModeInitialize
WinDbgExtensionDllInit
coffee
mimikatz
startW

Sections

.text
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

721f5090ab31a091c5b9778028cc974c

Code Sign

0f:10:c0:55:a6:79:3b:59:c7:d8:f5:2d:64:b3:98:8dCertificate

Extended Key Usages

Key Usages

99:a3:80:0a:26:55:3b:65:ab:dc:6e:84:a6:b3:ea:39Certificate

Extended Key Usages

Key Usages

f1:64:25:8c:09:b6:e2:7b:e2:0e:32:60:8e:4b:f4:a8Certificate

Extended Key Usages

Key Usages

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87Certificate

Extended Key Usages

Key Usages

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27Certificate

Key Usages

0f:10:c0:55:a6:79:3b:59:c7:d8:f5:2d:64:b3:98:8dCertificate

Extended Key Usages

Key Usages

99:a3:80:0a:26:55:3b:65:ab:dc:6e:84:a6:b3:ea:39Certificate

Extended Key Usages

Key Usages

f1:64:25:8c:09:b6:e2:7b:e2:0e:32:60:8e:4b:f4:a8Certificate

Extended Key Usages

Key Usages

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87Certificate

Extended Key Usages

Key Usages

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27Certificate

Key Usages

36:e1:ed:78:91:fc:18:1f:6a:51:ec:d9:2a:16:1f:e4:35:73:8b:cb:e5:8c:0b:50:bd:2b:81:9e:e6:24:52:c8Signer

Signature Validations

Verification

15/12/2022, 13:57 Valid: false

a9:3a:10:6c:84:4d:4a:52:55:2b:fc:dc:20:49:cb:82:be:ce:33:0eSigner

Signature Validations

Verification

15/12/2022, 13:57 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

ntdll

rpcrt4

ole32

kernel32

msvcrt

Exports

Exports

Sections

.text Size: 15KB - Virtual size: 14KB

.rdata Size: 9KB - Virtual size: 9KB

.data Size: 1KB - Virtual size: 2KB

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 2KB - Virtual size: 2KB

0f:10:c0:55:a6:79:3b:59:c7:d8:f5:2d:64:b3:98:8d
Certificate

99:a3:80:0a:26:55:3b:65:ab:dc:6e:84:a6:b3:ea:39
Certificate

f1:64:25:8c:09:b6:e2:7b:e2:0e:32:60:8e:4b:f4:a8
Certificate

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87
Certificate

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27
Certificate

0f:10:c0:55:a6:79:3b:59:c7:d8:f5:2d:64:b3:98:8d
Certificate

99:a3:80:0a:26:55:3b:65:ab:dc:6e:84:a6:b3:ea:39
Certificate

f1:64:25:8c:09:b6:e2:7b:e2:0e:32:60:8e:4b:f4:a8
Certificate

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87
Certificate

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27
Certificate

36:e1:ed:78:91:fc:18:1f:6a:51:ec:d9:2a:16:1f:e4:35:73:8b:cb:e5:8c:0b:50:bd:2b:81:9e:e6:24:52:c8
Signer

15/12/2022, 13:57
Valid: false

a9:3a:10:6c:84:4d:4a:52:55:2b:fc:dc:20:49:cb:82:be:ce:33:0e
Signer

15/12/2022, 13:57
Valid: false

.text
Size: 15KB - Virtual size: 14KB

.rdata
Size: 9KB - Virtual size: 9KB

.data
Size: 1KB - Virtual size: 2KB

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 2KB - Virtual size: 2KB