6bd64686a4f9bf26b7704dd083fc74777723b6d41b8fb799f10f1f8fcb7d6922[.]zip

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General

Target
6bd64686a4f9bf26b7704dd083fc74777723b6d41b8fb799f10f1f8fcb7d6922.zip
Size 70.7MB
Sample250107-acchestqhy
SHA256 6bd64686a4f9bf26b7704dd083fc74777723b6d41b8fb799f10f1f8fcb7d6922
MD5 8732de8e6f2c0add0417891313bed2ee
SHA1 3298ad2d0cec5ba098fc3e49470f937fc8e046ce
SHA512 bd0c8b5f0206d3c47e203180b74312bb12cdcbc1d9aadf2028398746a37a562a2e90967b4db21ce16c044c872902de50ba9bef6d596f8adb8d78c2222ab7f379
SSDEEP 12288:YwfMt3eNjtBCIfLt/W+eNZ0fw8BEQ9RKJQ1okVQ06SJDISxPjSWppi33f0uNNDH:Y8Mt3+jvCIZgYw8BEQ9MW1
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 4 IoCs

Checks for missing Authenticode signature.

resource
unpack001/$PLUGINSDIR/StdUtils.dll
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/WinShell.dll
unpack001/$PLUGINSDIR/nsExec.dll

File Explorer

6bd64686a4f9bf26b7704dd083fc74777723b6d41b8fb799f10f1f8fcb7d6922.zip

.exe 70.7MB
$PLUGINSDIR/StdUtils.dll

.dll 100KB
$PLUGINSDIR/System.dll

.dll 12KB
$PLUGINSDIR/WinShell.dll

.dll 3KB
$PLUGINSDIR/nsExec.dll

.dll 6KB

6bd64686a4f9bf26b7704dd083fc74777723b6d41b8fb799f10f1f8fcb7d6922.zip

IMPHASH b34f154ec913d2d2c435cbd644e91687
SHA256 6bd64686a4f9bf26b7704dd083fc74777723b6d41b8fb799f10f1f8fcb7d6922
MD5 8732de8e6f2c0add0417891313bed2ee
SHA1 3298ad2d0cec5ba098fc3e49470f937fc8e046ce
SHA512 bd0c8b5f0206d3c47e203180b74312bb12cdcbc1d9aadf2028398746a37a562a2e90967b4db21ce16c044c872902de50ba9bef6d596f8adb8d78c2222ab7f379
SSDEEP 12288:YwfMt3eNjtBCIfLt/W+eNZ0fw8BEQ9RKJQ1okVQ06SJDISxPjSWppi33f0uNNDH:Y8Mt3+jvCIZgYw8BEQ9MW1
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

Password

infected

PE Signature issue

Digest

c6:e1:7c:49:d6:31:97:4a:d5:7a:c1:13:99:00:55:65:39:08:19:bc:f5:3c:e1:a7:84:3a:2c:0d:87:ff:8c:fd

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

CN=NVIDIA Corporation,OU=IT MIIS,O=NVIDIA Corporation,L=Santa Clara,ST=California,C=US

Chains

Mar 16, 2017

CN=NVIDIA Corporation,OU=IT MIIS,O=NVIDIA Corporation,L=Santa Clara,ST=California,C=US

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

PE Signature issue

Digest

42:37:6a:dc:06:f4:7f:ab:66:6d:d8:bc:c2:77:06:fd:d9:16:2d:d7

Digest Algorithm

sha1

PE Digests Matches

Not matched

Trusted

Not trusted

Signing Certificate

CN=NVIDIA Corporation,O=NVIDIA Corporation,L=SANTA CLARA,ST=California,C=US

Chains

Mar 16, 2017

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Serial Number

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Key Usages

KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Dec 21, 2012 - Dec 30, 2020

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Serial Number

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Oct 18, 2012 - Dec 29, 2020

Subject

CN=NVIDIA Corporation,O=NVIDIA Corporation,L=SANTA CLARA,ST=California,C=US

Serial Number

14:78:1b:c8:62:e8:dc:50:3a:55:93:46:f5:dc:c5:18

Issuer

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Jul 28, 2015 - Jul 26, 2018

Subject

Serial Number

61:19:93:e4:00:00:00:00:00:1c

Issuer

CN=Microsoft Code Verification Root,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Feb 22, 2011 - Feb 22, 2021

Subject

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Serial Number

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7

Issuer

Key Usages

KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageClientAuth, ExtKeyUsageCodeSigning

Timespan

Feb 8, 2010 - Feb 7, 2020

Subject

CN=NVIDIA Corporation,OU=IT MIIS,O=NVIDIA Corporation,L=Santa Clara,ST=California,C=US

Serial Number

7b:c1:5a:f2:13:67:d0:75:8b:ed:dc:ca:11:86:42:de

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Jul 13, 2015 - Jul 13, 2018

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Serial Number

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a

Issuer

Key Usages

KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageClientAuth, ExtKeyUsageCodeSigning

Timespan

Dec 10, 2013 - Dec 9, 2023

Subject

Serial Number

61:19:93:e4:00:00:00:00:00:1c

Issuer

CN=Microsoft Code Verification Root,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Feb 22, 2011 - Feb 22, 2021

Subject

CN=Starfield Services Timestamp Authority - G1,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Serial Number

32:58:e8:ee:54:af:5c:27

Issuer

CN=Starfield Services Root Certificate Authority,OU=http://certificates.starfieldtech.com/repository/,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageContentCommitment

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Dec 13, 2016 - Dec 13, 2021

Minor OS version

Major OS version

Entry point

13199

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

SetEnvironmentVariableW SetFileAttributesW Sleep GetTickCount GetFileSize GetModuleFileNameW GetCurrentProcess CopyFileW SetCurrentDirectoryW GetFileAttributesW GetWindowsDirectoryW GetTempPathW GetCommandLineW GetVersion SetErrorMode lstrlenW lstrcpynW GetDiskFreeSpaceW ExitProcess GetShortPathNameW CreateThread GetLastError CreateDirectoryW CreateProcessW RemoveDirectoryW lstrcmpiA CreateFileW GetTempFileNameW WriteFile lstrcpyA MoveFileExW lstrcatW GetSystemDirectoryW GetProcAddress GetModuleHandleA GetExitCodeProcess WaitForSingleObject lstrcmpiW MoveFileW GetFullPathNameW SetFileTime SearchPathW CompareFileTime lstrcmpW CloseHandle ExpandEnvironmentStringsW GlobalFree GlobalLock GlobalUnlock GlobalAlloc FindFirstFileW FindNextFileW DeleteFileW SetFilePointer ReadFile FindClose lstrlenA MulDiv MultiByteToWideChar WideCharToMultiByte GetPrivateProfileStringW WritePrivateProfileStringW FreeLibrary LoadLibraryExW GetModuleHandleW

user32

GetSystemMenu SetClassLongW EnableMenuItem IsWindowEnabled SetWindowPos GetSysColor GetWindowLongW SetCursor LoadCursorW CheckDlgButton GetMessagePos LoadBitmapW CallWindowProcW IsWindowVisible CloseClipboard SetClipboardData EmptyClipboard OpenClipboard ScreenToClient GetWindowRect GetDlgItem GetSystemMetrics SetDlgItemTextW GetDlgItemTextW MessageBoxIndirectW CharPrevW CharNextA wsprintfA DispatchMessageW PeekMessageW ReleaseDC EnableWindow InvalidateRect SendMessageW DefWindowProcW BeginPaint GetClientRect FillRect DrawTextW EndDialog RegisterClassW SystemParametersInfoW CreateWindowExW GetClassInfoW DialogBoxParamW CharNextW ExitWindowsEx DestroyWindow GetDC SetTimer SetWindowTextW LoadImageW SetForegroundWindow ShowWindow IsWindow SetWindowLongW FindWindowExW TrackPopupMenu AppendMenuW CreatePopupMenu EndPaint CreateDialogParamW SendMessageTimeoutW wsprintfW PostQuitMessage

gdi32

SelectObject SetBkMode CreateFontIndirectW SetTextColor DeleteObject GetDeviceCaps CreateBrushIndirect SetBkColor

shell32

SHGetSpecialFolderLocation ShellExecuteExW SHGetPathFromIDListW SHBrowseForFolderW SHGetFileInfoW SHFileOperationW

advapi32

AdjustTokenPrivileges RegCreateKeyExW RegOpenKeyExW SetFileSecurityW OpenProcessToken LookupPrivilegeValueW RegEnumValueW RegDeleteKeyW RegDeleteValueW RegCloseKey RegSetValueExW RegQueryValueExW RegEnumKeyW

comctl32

ImageList_Create ImageList_AddMasked ImageList_Destroy ord17

ole32

OleUninitialize OleInitialize CoTaskMemFree CoCreateInstance

$PLUGINSDIR/StdUtils.dll

IMPHASH 7b79709c0d5576549eb261e3410f95f8
SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
MD5 c6a6e03f77c313b267498515488c5740
SHA1 3d49fc2784b9450962ed6b82b46e9c3c957d7c15
SHA512 9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
SSDEEP 3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Password

infected

Minor OS version

Major OS version

Entry point

60089

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

msvcrt

iswspace ??3@YAXPAX@Z _msize _wsetlocale _snprintf iswcntrl _beginthreadex time srand rand clock _getpid _wsplitpath iswgraph __wgetmainargs wcsncpy _wcsnicmp wcschr calloc free _wcsicmp _snwprintf swscanf abort ??2@YAPAXI@Z memset memcpy

shlwapi

ord176

crypt32

CryptProtectData CryptUnprotectData

kernel32

GlobalFree MultiByteToWideChar WideCharToMultiByte InterlockedExchange HeapValidate InterlockedDecrement InterlockedIncrement GetSystemTime OutputDebugStringA GetExitCodeProcess InitializeCriticalSection SystemTimeToFileTime TerminateThread WaitForSingleObject LocalFree GetFullPathNameW GetVersion GetFileAttributesW LoadLibraryW FreeLibrary CloseHandle lstrcpynW GlobalAlloc DeleteCriticalSection LeaveCriticalSection EnterCriticalSection GetTickCount Sleep VerSetConditionMask GetCurrentProcess GetModuleHandleW FatalAppExitW GetVersionExW TerminateProcess GetModuleFileNameW RaiseException VerifyVersionInfoW GetLastError GetProcAddress SetFilePointerEx WriteFile ReadFile CreateFileW GetFileSizeEx GetCommandLineW

user32

MsgWaitForMultipleObjects PeekMessageW DispatchMessageW wsprintfW DestroyWindow SetTimer UnregisterClassW KillTimer LoadStringW MessageBoxW GetWindowThreadProcessId AllowSetForegroundWindow CreateWindowExW RegisterClassW MessageBoxA

advapi32

RegOpenKeyExW RegCloseKey RegQueryValueExW

shell32

ShellExecuteExW SHFileOperationW ShellExecuteW

ole32

CoInitialize CoCreateInstance CoUninitialize

oleaut32

SysAllocString SysFreeString VariantInit VariantClear

$PLUGINSDIR/System.dll

IMPHASH fc0224e99e736751432961db63a41b76
SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 48df0911f0484cbe2a8cdd5362140b63c41ee457
SHA512 c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
SSDEEP 192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Password

infected

Minor OS version

Major OS version

Entry point

10643

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/WinShell.dll

IMPHASH a75c904bad153f5af2c37cfdf66eba5c
SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
MD5 1cc7c37b7e0c8cd8bf04b6cc283e1e56
SHA1 0b9519763be6625bd5abce175dcc59c96d100d4c
SHA512 7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f
MD5 SHA1 SHA512

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Password

infected

Minor OS version

Major OS version

Entry point

4863

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/nsExec.dll

IMPHASH d31c5eb927119d00232e4d4b0e32fcdb
SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
MD5 ec0504e6b8a11d5aad43b296beeb84b2
SHA1 91b5ce085130c8c7194d66b2439ec9e1c206497c
SHA512 3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57
SSDEEP 96:YjHFiKaoggCtJzTlKXb0tbo68qD853Ns7GgmkNq3m+s:JbogRtJzTlNR8qD85uGgmkNr
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Password

infected

Minor OS version

Major OS version

Entry point

4231

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

6bd64686a4f9bf26b7704dd083fc74777723b6d41b8fb799f10f1f8fcb7d6922.zip

PE Signature issue

PE Signature issue

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

generic

$PLUGINSDIR/StdUtils.dll

msvcrt

shlwapi

crypt32

kernel32

user32

advapi32

shell32

ole32

oleaut32

generic

$PLUGINSDIR/System.dll

kernel32

user32

ole32

generic

$PLUGINSDIR/WinShell.dll

kernel32

ole32

generic

$PLUGINSDIR/nsExec.dll

kernel32

user32

advapi32

generic