260810_2.zip
- SHA256 4c1ebaef64b94400c0d0a2c52eb959b6788c556448be8b37cb706e260af140ae
Password
infected
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
nvml.dll
Resource
win10v2004-20260513-ja
windows10-2004-x64
9 signatures
600 seconds
Behavioral task
behavioral2
Sample
nvml.dll
Resource
win11ltsc2024-20260709-ja
windows11-ltsc_2024-x64
9 signatures
600 seconds
General
- Target 260810_2.zip
- Size 113KB
- Sample260810-jlw3vsdm3x
- SHA256 4c1ebaef64b94400c0d0a2c52eb959b6788c556448be8b37cb706e260af140ae
- MD5 d49b08f808bfcb9c7ec7f67843d15731
- SHA1 b616d00435a338323657232d0f897e5d276eb5a7
- SHA512 3df000aacd311e0b1d0dd94b47612e5826f83a911aca10c0562d60fc1d539ae10f0e2efd573e3d90d34c33f87feb880ff59ce09924b39da004d9ed580c7b1d6b
- SSDEEP 3072:aueqkrmWT0br3+dO9t63NVEBYzsIHyID76CfnFKxq3z:auXktoUU6dOSYIHyS7FKxqj
- TLSH T164B31226D45297D144D6BBCBF7DF16FA5483C1A8EA3987076373643020AA3B6C6160F3
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10
Malware Config
Signatures
- DLL Hijacking vulnerability 1 IoCs
Signed PE file loads submitted unsigned PE file, allowing DLL hijacking/sideloading/preloading.
resource unpack003/nvml.dll - Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack003/nvml.dll
File Explorer
-
260810_2.zip.zip 113KB
-
RKM-20260810-1514.7z.7z 113KB
-
RKM-20260810-1514/Tax_Notice_43381.img.iso 364KB
-
NVML.DAT2KB
-
Tax_Notice_43381.exe.exe 287KB
-
nvml.dll.dll 9KB
RKM-20260810-1514.7z
- SHA256 1540a0d69b20d943838887c7be976180e93521192e244cbc775d5c3050ad05b2
- MD5 a38a5da20c30b56b81f25e4f7a5749bc
- SHA1 3227c1f657e55f3a9b8dad177ca367263dd9d2a5
- SHA512 1657a88c8ee1d5c2dbd9b80429cf15a205af608d1881d67a1ad2091ce79bc48db96bbd178820efe204a4e9921b9fb090a0aa72789bf2fe3192c02f71c8915bab
- SSDEEP 3072:7C38fgOl+dtD+0GCd3/WF8A0k+OAWPbOYOv3yl2KLo:yMlI00GYviN019ANEGts
- TLSH T143B313D282F56F4C9BB58970A6C2E102986FD68E6C848F23726F5C426178C1B9F74E71
- MD5 SHA1 SHA512 SSDEEP TLSH
Password
infected
RKM-20260810-1514/Tax_Notice_43381.img
- SHA256 cb9bdee13ee2f66931db0b2dbaf8f3fae1b40e15e7157a7131abc8e6b908d5e0
- MD5 43c2225fa1f1665f2a29c280b8f3f356
- SHA1 0c6f5a30f667a74aa999f6685f79d346025c8b06
- SHA512 1120226340472075c8e43a896a2c9ed126a2d46fa5f22751d7ed537e02904646a40d2660b2edc75273d16bb05b74aa49b6272c75acb93344f39d13941b35866a
- SSDEEP 6144:mLbMNk1Nfm0rfQBqZE+peAn5IEJvMqTBJNFm:W71Nfhu+1mqTnNFm
- TLSH T1E1847C81F7866EFAEC7A447C8AB1662AFB71B0180374C35B369C9097DF132815D3A395
- MD5 SHA1 SHA512 SSDEEP TLSH
Password
infected
NVML.DAT
- SHA256 9cf70ea7d38b59fac376661f547331fbabc21c51d4d8b4794f62d599a4461c31
- MD5 84d488fea0fc3e4a79804972961748d2
- SHA1 50d7d6def2c6de329da5d232af943e8ab102869e
- SHA512 021fa569740be0a3c673cf9387dc532b6f683faa428d22d8779f684fa67b7b7ff78ab93ef628bb54ce3bb60a3201b47fcd24994bcaedff3b813b25002b652117
- TLSH T167413C2C3AAD27E5400258123C6A225B64CF1275366955F61B34C5488FD1F863468FF7
- MD5 SHA1 SHA512 TLSH
Tax_Notice_43381.exe
- IMPHASH e94c291cbf7f11ed5641bc513cd6a0f8
- SHA256 93694473622f770d539263ae211dde4715264b0f23c858ba69796adca76cae35
- MD5 c9afda4f027fc9510134cffcc4d54da3
- SHA1 c5b5fb5f06d1f6cf98afa0df97f57e9bd7b454ed
- SHA512 91fc95c20e93059a470c5d6506ce368581679cb7b43216b44a5a1f2e440eee1729523935943226ad488a98cfc7ac7ce5888bae01ed359962feb3eb01e9b8e458
- SSDEEP 6144:/bMNk1Nfm0rfQBqZE+peAn5IEJvMqTBJNFmU:/71Nfhu+1mqTnNFmU
- TLSH T15A547D81FB866EFAEC79447C8AF1662AFB70B0180364C35B26989097DF133915D3A3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Password
infected
Digest
fb:f1:b6:55:9f:d0:4f:3b:8f:d4:c4:12:f6:8a:b5:72:1b:2e:45:39:02:93:72:69:74:cf:23:8f:4f:49:39:be
Digest Algorithm
sha256
PE Digests Matches
Trusted
Signing Certificate
CN=Microsoft Windows Hardware Compatibility Publisher,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Chains
Dec 19, 2023
CN=Microsoft Windows Hardware Compatibility Publisher,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
CN=Microsoft Windows Third Party Component CA 2012,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Digest
fb:f1:b6:55:9f:d0:4f:3b:8f:d4:c4:12:f6:8a:b5:72:1b:2e:45:39:02:93:72:69:74:cf:23:8f:4f:49:39:be
Digest Algorithm
sha256
PE Digests Matches
Trusted
Signing Certificate
CN=NVIDIA Corporation,OU=1-F,O=NVIDIA Corporation,L=Santa Clara,ST=California,C=US
Chains
Nov 21, 2023
CN=NVIDIA Corporation,OU=1-F,O=NVIDIA Corporation,L=Santa Clara,ST=California,C=US
CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US
CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US
CN=NVIDIA Corporation,OU=1-F,O=NVIDIA Corporation,L=Santa Clara,ST=California,C=US
CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US
CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US
CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US
Subject
CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US
Serial Number
08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Issuer
CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US
Key Usages
KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign
Ext Key Usages
ExtKeyUsageCodeSigning
Timespan
Apr 29, 2021 - Apr 28, 2036
Subject
CN=NVIDIA Corporation,OU=1-F,O=NVIDIA Corporation,L=Santa Clara,ST=California,C=US
Serial Number
0d:01:94:cd:1e:31:42:20:51:35:d1:c6:36:e4:e9:ba
Issuer
CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US
Key Usages
KeyUsageDigitalSignature
Ext Key Usages
ExtKeyUsageCodeSigning
Timespan
Oct 18, 2022 - Oct 15, 2025
Subject
CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US
Serial Number
05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Issuer
CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US
Key Usages
KeyUsageDigitalSignature
Ext Key Usages
ExtKeyUsageTimeStamping
Timespan
Jul 14, 2023 - Oct 13, 2034
Subject
CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US
Serial Number
07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Issuer
CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US
Key Usages
KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign
Ext Key Usages
ExtKeyUsageTimeStamping
Timespan
Mar 23, 2022 - Mar 22, 2037
Subject
CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US
Serial Number
0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Issuer
CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US
Key Usages
KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign
Timespan
Aug 1, 2022 - Nov 9, 2031
Subject
CN=Microsoft Windows Hardware Compatibility Publisher,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Serial Number
33:00:00:01:09:5e:de:a2:12:7e:92:81:cc:00:00:00:00:01:09
Issuer
CN=Microsoft Windows Third Party Component CA 2012,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Ext Key Usages
ExtKeyUsageCodeSigning
Timespan
Sep 14, 2023 - Sep 4, 2024
Subject
CN=Microsoft Windows Third Party Component CA 2012,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Serial Number
61:0b:aa:c1:00:00:00:00:00:09
Issuer
CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Key Usages
KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign
Timespan
Apr 18, 2012 - Apr 18, 2027
Subject
CN=Microsoft Time-Stamp Service,OU=Microsoft America Operations+OU=nShield TSS ESN:9200-05E0-D947,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Serial Number
33:00:00:01:cf:52:36:be:71:4b:cd:48:ca:00:01:00:00:01:cf
Issuer
CN=Microsoft Time-Stamp PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Key Usages
KeyUsageDigitalSignature
Ext Key Usages
ExtKeyUsageTimeStamping
Timespan
May 25, 2023 - Feb 1, 2024
Subject
CN=Microsoft Time-Stamp PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Serial Number
33:00:00:00:15:c5:e7:6b:9e:02:9b:49:99:00:00:00:00:00:15
Issuer
CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Key Usages
KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign
Ext Key Usages
ExtKeyUsageTimeStamping
Timespan
Sep 30, 2021 - Sep 30, 2030
Minor OS version
2
Major OS version
5
Entry point
81172
Magic Number
523
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_CUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
PDB paths
kernel32
ReleaseMutex
WaitForSingleObject
CreateMutexA
CloseHandle
CreateFileA
GetLastError
ReadFile
WriteFile
SetFilePointer
GetProcessHeap
SetEndOfFile
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
SetStdHandle
GetModuleHandleW
Sleep
GetProcAddress
ExitProcess
HeapAlloc
HeapFree
HeapReAlloc
EnterCriticalSection
LeaveCriticalSection
DeleteFileA
GetSystemTimeAsFileTime
GetCommandLineA
RtlUnwindEx
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
EncodePointer
DecodePointer
FlsGetValue
FlsSetValue
FlsFree
SetLastError
GetCurrentThreadId
FlsAlloc
GetStdHandle
GetModuleFileNameA
DeleteCriticalSection
LoadLibraryA
InitializeCriticalSectionAndSpinCount
HeapSetInformation
HeapCreate
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
SetHandleCount
GetFileType
GetStartupInfoA
WideCharToMultiByte
GetConsoleCP
GetConsoleMode
MultiByteToWideChar
FlushFileBuffers
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
HeapSize
GetLocaleInfoA
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
nvml
nvmlDeviceGetCount_v2
nvmlDeviceGetHandleByIndex_v2
nvmlDeviceGetName
nvmlDeviceGetSerial
nvmlDeviceGetUUID
nvmlInit_v2
nvmlErrorString
nvmlInternalGetExportTable
nvmlShutdown
Name
.text
Size
126KB
Virtual Size
126KB
Characteristics
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Name
.rdata
Size
126KB
Virtual Size
125KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.data
Size
7KB
Virtual Size
15KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.pdata
Size
5KB
Virtual Size
5KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.rsrc
Size
1024B
Virtual Size
832B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
generic
count=2, id=257, productName=VS2019 v16.9.2 build 29913, version=29913,
count=35, id=132, productName=VS2008 build 21022, version=21022,
count=10, id=149, productName=VS2008 build 21022, version=21022,
count=3, id=123, productName=VS2005 build 50727, version=50727,
count=101, id=1, productName=Unmarked objects,
count=186, id=131, productName=VS2008 build 21022, version=21022,
count=1, id=148, productName=VS2008 build 21022, version=21022,
count=1, id=145, productName=VS2008 build 21022, version=21022,
nvml.dll
- IMPHASH 38635fb6aa9fc723412530df72c15ac2
- SHA256 7327b3c0a11b6eadc3f285f362c11b230beebc52985de041e07e27322e10db15
- MD5 8c69cbfd0f08553c9c6b0c6fc84825d8
- SHA1 a802136a57b6d0fbc0d601a5f073352461769e4f
- SHA512 843c97eb08632a885cacf15ed4ddfa0f84944b3fe6c2c18313b24e2469b7b2bbc62b598a9dd833602915e58b8e617199875d54085628e593a9d149017dd859a5
- SSDEEP 192:WUuzoqZkOfQYl5+eDOFxKCAoakSVxFbdDl9:WNRQu52sVFpDl9
- TLSH T11212D735F35718EAE867EF3466D695327876B83806282E7E10D0EB3F3924DC4292C902
- MD5 SHA1 SHA512 SSDEEP TLSH
-
DLL Hijacking vulnerability
Signed PE file loads submitted unsigned PE file, allowing DLL hijacking/sideloading/preloading.
-
Unsigned PE
Checks for missing Authenticode signature.
Password
infected
Minor OS version
0
Major OS version
4
Entry point
4176
Magic Number
523
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
IMAGE_FILE_DLL
PDB paths
advapi32
AllocateAndInitializeSid
CheckTokenMembership
FreeSid
RegCloseKey
RegCreateKeyExW
RegSetValueExW
kernel32
CloseHandle
CopyFileW
CreateDirectoryW
CreateFileW
CreateThread
DisableThreadLibraryCalls
ExitProcess
FreeConsole
GetCurrentThread
GetEnvironmentVariableW
GetFileAttributesW
GetFileSize
GetModuleFileNameW
GetModuleHandleW
GetProcAddress
LoadLibraryW
QueueUserAPC
ReadFile
SetFileAttributesW
SetFilePointer
Sleep
VirtualAlloc
VirtualFree
VirtualProtect
lstrcatW
lstrcpyW
lstrlenW
shell32
ShellExecuteExW
user32
SetProcessDPIAware
wsprintfW
nvmlDeviceGetCount_v2
nvmlDeviceGetHandleByIndex_v2
nvmlDeviceGetName
nvmlDeviceGetSerial
nvmlDeviceGetUUID
nvmlErrorString
nvmlInit_v2
nvmlInternalGetExportTable
nvmlShutdown
Name
.nvdata
Size
4KB
Virtual Size
4KB
Characteristics
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Name
.bss
Size
512B
Virtual Size
48B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.rdata
Size
512B
Virtual Size
448B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.xdata
Size
512B
Virtual Size
325B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.nvtext
Size
2KB
Virtual Size
1KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE