BB05[.]exe | Triage

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General

Target

BB05.exe
Size

2.7MB
MD5

a9f9e49761e839de242b24de7486efaf
SHA1

a1911f8b0cda710df3989d7e2a49332d7eef70c7
SHA256

6343971168f0284d80215dd798cc972019f87980382c1a579e18ba6d96beda5a
SHA512

36dd2359a7e6792a9dd3ac5fd0027277521b116be45866867b70ed1b46a297b2e56681f01302fb9097bf9f7d3399559a2f73bb082118e320743a5b0f1002203d
SSDEEP

49152:FfJ3MKcI6NXC3neozsSW870/PdqeiUz3rF8tHHeFGrNkegiMjM:FR3MKKNy3Vzw3dtprOHH3pMiX

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

BB05.exe
.exe windows x86

5f0c714c36e6cc016b3a1f4bc86559e4

Code Sign

01
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

01-01-2004 00:00

Not After

31-12-2028 23:59

Subject

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

25-05-2021 00:00

Not After

31-12-2028 23:59

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

59:80:92:c4:3b:8f:c7:33:d5:d3:78:e2:a7:e4:23:78
Certificate

Issuer

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Not Before

02-03-2023 00:00

Not After

01-03-2024 23:59

Subject

CN=Sichuan Ruiyi Technology Co.\, Ltd,O=Sichuan Ruiyi Technology Co.\, Ltd,ST=四川省,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Not Before

22-03-2021 00:00

Not After

21-03-2036 23:59

Subject

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21-09-2022 00:00

Not After

21-11-2033 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23-03-2022 00:00

Not After

22-03-2037 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01-08-2022 00:00

Not After

09-11-2031 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

Signer

Actual PE Digest

Digest Algorithm

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
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

Imports

advapi32

RegCreateKeyExA
RegEnumKeyA
RegQueryValueExA
RegSetValueExA
RegCloseKey
RegDeleteValueA
RegDeleteKeyA
AdjustTokenPrivileges
LookupPrivilegeValueA
OpenProcessToken
SetFileSecurityA
RegOpenKeyExA
RegEnumValueA

shell32

SHGetFileInfoA
SHFileOperationA
SHGetPathFromIDListA
ShellExecuteExA
SHGetSpecialFolderLocation
SHBrowseForFolderA

ole32

IIDFromString
OleInitialize
OleUninitialize
CoCreateInstance
CoTaskMemFree

comctl32

ord17
ImageList_Create
ImageList_Destroy
ImageList_AddMasked

user32

SetClipboardData
CharPrevA
CallWindowProcA
PeekMessageA
DispatchMessageA
MessageBoxIndirectA
GetDlgItemTextA
SetDlgItemTextA
GetSystemMetrics
CreatePopupMenu
AppendMenuA
TrackPopupMenu
FillRect
EmptyClipboard
LoadCursorA
GetMessagePos
CheckDlgButton
SetWindowPos
SetCursor
GetSysColor
SetClassLongA
GetWindowLongA
IsWindowEnabled
GetWindowRect
GetSystemMenu
EnableMenuItem
RegisterClassA
ScreenToClient
EndDialog
GetClassInfoA
SystemParametersInfoA
CreateWindowExA
ExitWindowsEx
DialogBoxParamA
CharNextA
SetTimer
DestroyWindow
CreateDialogParamA
SetForegroundWindow
SetWindowTextA
PostQuitMessage
SendMessageTimeoutA
ShowWindow
wsprintfA
GetDlgItem
FindWindowExA
IsWindow
GetDC
SetWindowLongA
LoadImageA
InvalidateRect
ReleaseDC
EnableWindow
BeginPaint
SendMessageA
DefWindowProcA
DrawTextA
GetClientRect
EndPaint
IsWindowVisible
CloseClipboard
OpenClipboard

gdi32

SetBkMode
SetBkColor
GetDeviceCaps
CreateFontIndirectA
CreateBrushIndirect
DeleteObject
SetTextColor
SelectObject

kernel32

GetExitCodeProcess
WaitForSingleObject
GetProcAddress
GetSystemDirectoryA
WideCharToMultiByte
MoveFileExA
ReadFile
GetTempFileNameA
WriteFile
RemoveDirectoryA
CreateProcessA
CreateFileA
GetLastError
CreateThread
CreateDirectoryA
GlobalUnlock
GetDiskFreeSpaceA
GlobalLock
SetErrorMode
GetVersionExA
lstrcpynA
GetCommandLineA
GetTempPathA
lstrlenA
SetEnvironmentVariableA
ExitProcess
GetWindowsDirectoryA
GetCurrentProcess
GetModuleFileNameA
CopyFileA
GetTickCount
Sleep
GetFileSize
GetFileAttributesA
SetCurrentDirectoryA
SetFileAttributesA
GetFullPathNameA
GetShortPathNameA
MoveFileA
CompareFileTime
SetFileTime
SearchPathA
lstrcmpiA
lstrcmpA
CloseHandle
GlobalFree
GlobalAlloc
ExpandEnvironmentStringsA
LoadLibraryExA
FreeLibrary
lstrcpyA
lstrcatA
FindClose
MultiByteToWideChar
WritePrivateProfileStringA
GetPrivateProfileStringA
SetFilePointer
GetModuleHandleA
FindNextFileA
FindFirstFileA
DeleteFileA
MulDiv

Sections

.text
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 106KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 36KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5f0c714c36e6cc016b3a1f4bc86559e4

Code Sign

01Certificate

Key Usages

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16Certificate

Extended Key Usages

Key Usages

59:80:92:c4:3b:8f:c7:33:d5:d3:78:e2:a7:e4:23:78Certificate

Extended Key Usages

Key Usages

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0aCertificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

Sections

.text Size: 25KB - Virtual size: 24KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 1KB - Virtual size: 106KB

.ndata Size: - Virtual size: 36KB

.rsrc Size: 5KB - Virtual size: 4KB

01
Certificate

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

59:80:92:c4:3b:8f:c7:33:d5:d3:78:e2:a7:e4:23:78
Certificate

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

.text
Size: 25KB - Virtual size: 24KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 1KB - Virtual size: 106KB

.ndata
Size: - Virtual size: 36KB

.rsrc
Size: 5KB - Virtual size: 4KB