flux-setup[.]exe

Sharing

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General

Target

flux-setup.exe
Size

659KB
MD5

feebefcae33c36d7a14375455ab2d0d3
SHA1

daca4541bc5d1189f3ca1a6590dc7c3d1203c8fb
SHA256

0b3f19bd4910a27ed4566ad1fe72735869e9e84b943a026fa224a344926670ff
SHA512

63ca2946efb48a281f583eab29dcf9fe177eae4c05157d314842504ae7ab5c94dcbf263fd5a6037a3cdbfda29b3475115b765b77bbb5f9955567eab4dae83d9a
SSDEEP

12288:Ly7MRDF8JZrz/faGxbz99bg2VcI/ijZAWQ5haAzewmoaja13e6JbLB0X:W7MRDSJZrWGxbzfc22SiVAWQ5haAzewS

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

flux-setup.exe
.exe windows x86

b76363e9cb88bf9390860da8e50999d2

Code Sign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/01/2021, 00:00

Not After

06/01/2031, 00:00

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

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

Not Before

07/01/2016, 12:00

Not After

07/01/2031, 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
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

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

37:5c:82:09:a8:53:21:56:17:be:7d:b8:18:61:d3:99
Certificate

Issuer

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

Not Before

17/06/2021, 00:00

Not After

16/06/2024, 23:59

Subject

CN=F.lux Software LLC,O=F.lux Software LLC,L=Los Angeles,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

37:5c:82:09:a8:53:21:56:17:be:7d:b8:18:61:d3:99
Certificate

Issuer

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

Not Before

17/06/2021, 00:00

Not After

16/06/2024, 23:59

Subject

CN=F.lux Software LLC,O=F.lux Software LLC,L=Los Angeles,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/01/2021, 00:00

Not After

06/01/2031, 00:00

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

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

Not Before

07/01/2016, 12:00

Not After

07/01/2031, 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

c8:b5:0b:00:f7:50:77:89:7e:b7:f6:5f:29:85:83:b6:4e:be:50:5c:44:10:31:e7:82:08:79:7a:b7:25:24:07
Signer

Actual PE Digest

c8:b5:0b:00:f7:50:77:89:7e:b7:f6:5f:29:85:83:b6:4e:be:50:5c:44:10:31:e7:82:08:79:7a:b7:25:24:07

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=F.lux Software LLC,O=F.lux Software LLC,L=Los Angeles,ST=California,C=US

18/06/2021, 00:09
Valid: true

Chain 1

CN=F.lux Software LLC,O=F.lux Software LLC,L=Los Angeles,ST=California,C=US

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

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

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

3e:44:c3:fc:14:0d:ff:0c:8c:eb:7d:92:79:a5:c0:53:3b:7e:30:b1
Signer

Actual PE Digest

3e:44:c3:fc:14:0d:ff:0c:8c:eb:7d:92:79:a5:c0:53:3b:7e:30:b1

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=F.lux Software LLC,O=F.lux Software LLC,L=Los Angeles,ST=California,C=US

18/06/2021, 00:09
Valid: true

Chain 1

CN=F.lux Software LLC,O=F.lux Software LLC,L=Los Angeles,ST=California,C=US

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

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

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

Headers

DLL Characteristics

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

kernel32

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

user32

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

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
SHFileOperationA
ShellExecuteA

advapi32

RegDeleteValueA
SetFileSecurityA
RegOpenKeyExA
RegDeleteKeyA
RegEnumValueA
RegCloseKey
RegCreateKeyExA
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_AddMasked
ImageList_Destroy
ImageList_Create
ord17

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

.text
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 108KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 60KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b76363e9cb88bf9390860da8e50999d2

Code Sign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

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

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

37:5c:82:09:a8:53:21:56:17:be:7d:b8:18:61:d3:99Certificate

Extended Key Usages

Key Usages

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

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

37:5c:82:09:a8:53:21:56:17:be:7d:b8:18:61:d3:99Certificate

Extended Key Usages

Key Usages

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

c8:b5:0b:00:f7:50:77:89:7e:b7:f6:5f:29:85:83:b6:4e:be:50:5c:44:10:31:e7:82:08:79:7a:b7:25:24:07Signer

Signature Validations

Verification

18/06/2021, 00:09 Valid: true

Chain 1

3e:44:c3:fc:14:0d:ff:0c:8c:eb:7d:92:79:a5:c0:53:3b:7e:30:b1Signer

Signature Validations

Verification

18/06/2021, 00:09 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

.text Size: 23KB - Virtual size: 22KB

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

.data Size: 1KB - Virtual size: 108KB

.ndata Size: - Virtual size: 60KB

.rsrc Size: 22KB - Virtual size: 22KB

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

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

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

37:5c:82:09:a8:53:21:56:17:be:7d:b8:18:61:d3:99
Certificate

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

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

37:5c:82:09:a8:53:21:56:17:be:7d:b8:18:61:d3:99
Certificate

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

c8:b5:0b:00:f7:50:77:89:7e:b7:f6:5f:29:85:83:b6:4e:be:50:5c:44:10:31:e7:82:08:79:7a:b7:25:24:07
Signer

18/06/2021, 00:09
Valid: true

3e:44:c3:fc:14:0d:ff:0c:8c:eb:7d:92:79:a5:c0:53:3b:7e:30:b1
Signer

18/06/2021, 00:09
Valid: true

.text
Size: 23KB - Virtual size: 22KB

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

.data
Size: 1KB - Virtual size: 108KB

.ndata
Size: - Virtual size: 60KB

.rsrc
Size: 22KB - Virtual size: 22KB