mimikatz | mimilib[.]dll

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General

Target

mimilib.dll
Size

45KB
MD5

eb05429d25fc57b476428cdb0a134b2f
SHA1

1c6913248131b5784b923eff1e76a443f738affc
SHA256

7ffce7f6d7262f214d78e6b7fd8d07119835cba4b04ce334260665d7c8fb369a
SHA512

199cbef36efe00121dbc1e5126ee556a72090c5134f157aa48a89d5ab2b0a15116cb059a7387e5d29dd6a4cab2b584494baf32c9b388118107ab9fa53743bb3f
SSDEEP

768:VWZZrWUCE5KuhECg1kQPbTk/Zm8b4snsFYzltrf0zlejdl0mHFBEhLF3YEhV7K:gP1vgKob4/Zm8bxsFmGlejdl5lBE/IE+

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 x64

d65ad3d169907c04f78241dc4d64978e

Code Sign

6b:32:6a:0f:03:28:d3:7a:1d:53:0b:fd:23:bd:48:e2
Certificate

Issuer

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

Not Before

29/10/2015, 11:30

Not After

09/06/2027, 11:30

Subject

CN=Certum Code Signing CA SHA2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

10:a9:2b:2a:c8:aa:84:76:b6:c7:23:2e:c0:a9:e6:fa
Certificate

Issuer

CN=Certum Code Signing CA SHA2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

05/12/2019, 23:00

Not After

04/12/2020, 23:00

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

fe:67:e4:f1:5a:24:e3:c6:0d:54:7c:a0:20:c2:76:70
Certificate

Issuer

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

Not Before

08/03/2016, 13:10

Not After

30/05/2027, 13:10

Subject

CN=Certum EV TSA SHA2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

6b:32:6a:0f:03:28:d3:7a:1d:53:0b:fd:23:bd:48:e2
Certificate

Issuer

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

Not Before

29/10/2015, 11:30

Not After

09/06/2027, 11:30

Subject

CN=Certum Code Signing CA SHA2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

10:a9:2b:2a:c8:aa:84:76:b6:c7:23:2e:c0:a9:e6:fa
Certificate

Issuer

CN=Certum Code Signing CA SHA2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

05/12/2019, 23:00

Not After

04/12/2020, 23:00

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

fe:67:e4:f1:5a:24:e3:c6:0d:54:7c:a0:20:c2:76:70
Certificate

Issuer

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

Not Before

08/03/2016, 13:10

Not After

30/05/2027, 13:10

Subject

CN=Certum EV TSA SHA2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:d2:ce:5d:2a:e0:50:f5:3e:a0:07:5e:43:2e:38:e4:aa:37:c1:61:a8:54:e6:bf:0d:13:f7:96:01:f2:7f:d5
Signer

Actual PE Digest

07:d2:ce:5d:2a:e0:50:f5:3e:a0:07:5e:43:2e:38:e4:aa:37:c1:61:a8:54:e6:bf:0d:13:f7:96:01:f2:7f:d5

Digest Algorithm

sha256

PE Digest Matches

true

7c:9e:a3:8f:e3:93:97:40:99:d7:93:46:7b:95:7d:10:57:1e:53:b1
Signer

Actual PE Digest

7c:9e:a3:8f:e3:93:97:40:99:d7:93:46:7b:95:7d:10:57:1e:53:b1

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

advapi32

CreateRestrictedToken
CreateProcessAsUserW
ConvertSidToStringSidA
IsTextUnicode
OpenProcessToken

ntdll

RtlStringFromGUID
RtlEqualString
RtlFreeUnicodeString

rpcrt4

MesDecodeIncrementalHandleCreate
MesIncrementalHandleReset
NdrMesTypeDecode2
NdrMesTypeFree2
MesHandleFree

kernel32

GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
GetTickCount
SetUnhandledExceptionFilter
UnhandledExceptionFilter
TerminateProcess
RtlCaptureContext
RtlLookupFunctionEntry
Sleep
GetCurrentProcess
CloseHandle
FreeLibrary
LoadLibraryW
lstrlenW
GetProcAddress
LocalAlloc
LocalFree
GetTimeFormatA
GetDateFormatA
FileTimeToSystemTime
FileTimeToLocalFileTime
RaiseException
GetLastError
LoadLibraryA
RtlVirtualUnwind
QueryPerformanceCounter

msvcrt

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

Exports

Exports

DhcpNewPktHook
DhcpServerCalloutEntry
DnsPluginCleanup
DnsPluginInitialize
DnsPluginQuery
ExtensionApiVersion
InitializeChangeNotify
Msv1_0SubAuthenticationFilter
Msv1_0SubAuthenticationRoutine
PasswordChangeNotify
SpLsaModeInitialize
WinDbgExtensionDllInit
coffee
mimikatz
startW

Sections

.text
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 816B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 286B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d65ad3d169907c04f78241dc4d64978e

Code Sign

6b:32:6a:0f:03:28:d3:7a:1d:53:0b:fd:23:bd:48:e2Certificate

Extended Key Usages

Key Usages

10:a9:2b:2a:c8:aa:84:76:b6:c7:23:2e:c0:a9:e6:faCertificate

Extended Key Usages

Key Usages

fe:67:e4:f1:5a:24:e3:c6:0d:54:7c:a0:20:c2:76:70Certificate

Extended Key Usages

Key Usages

6b:32:6a:0f:03:28:d3:7a:1d:53:0b:fd:23:bd:48:e2Certificate

Extended Key Usages

Key Usages

10:a9:2b:2a:c8:aa:84:76:b6:c7:23:2e:c0:a9:e6:faCertificate

Extended Key Usages

Key Usages

fe:67:e4:f1:5a:24:e3:c6:0d:54:7c:a0:20:c2:76:70Certificate

Extended Key Usages

Key Usages

07:d2:ce:5d:2a:e0:50:f5:3e:a0:07:5e:43:2e:38:e4:aa:37:c1:61:a8:54:e6:bf:0d:13:f7:96:01:f2:7f:d5Signer

7c:9e:a3:8f:e3:93:97:40:99:d7:93:46:7b:95:7d:10:57:1e:53:b1Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

ntdll

rpcrt4

kernel32

msvcrt

Exports

Exports

Sections

.text Size: 17KB - Virtual size: 17KB

.rdata Size: 11KB - Virtual size: 10KB

.data Size: 2KB - Virtual size: 3KB

.pdata Size: 1024B - Virtual size: 816B

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

.reloc Size: 512B - Virtual size: 286B

6b:32:6a:0f:03:28:d3:7a:1d:53:0b:fd:23:bd:48:e2
Certificate

10:a9:2b:2a:c8:aa:84:76:b6:c7:23:2e:c0:a9:e6:fa
Certificate

fe:67:e4:f1:5a:24:e3:c6:0d:54:7c:a0:20:c2:76:70
Certificate

6b:32:6a:0f:03:28:d3:7a:1d:53:0b:fd:23:bd:48:e2
Certificate

10:a9:2b:2a:c8:aa:84:76:b6:c7:23:2e:c0:a9:e6:fa
Certificate

fe:67:e4:f1:5a:24:e3:c6:0d:54:7c:a0:20:c2:76:70
Certificate

07:d2:ce:5d:2a:e0:50:f5:3e:a0:07:5e:43:2e:38:e4:aa:37:c1:61:a8:54:e6:bf:0d:13:f7:96:01:f2:7f:d5
Signer

7c:9e:a3:8f:e3:93:97:40:99:d7:93:46:7b:95:7d:10:57:1e:53:b1
Signer

.text
Size: 17KB - Virtual size: 17KB

.rdata
Size: 11KB - Virtual size: 10KB

.data
Size: 2KB - Virtual size: 3KB

.pdata
Size: 1024B - Virtual size: 816B

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

.reloc
Size: 512B - Virtual size: 286B