Retrusive[.]exe

Resubmissions

02/03/2023, 08:41

230302-klk62abg5z 8

02/03/2023, 08:08

230302-j1kndabf7t 10

Sharing

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General

Target

Retrusive.exe
Size

435KB
MD5

ab4df9c4ba85a7a1a894eae647e9c674
SHA1

dfe2d4a7867da5e64fdbaeee490db31fd0eccd8d
SHA256

c4da13c88b28a19f692821703265c4c30831b5d598c326bfd1e33932fa5bd78a
SHA512

1b4e05cff8a9182d6b1013d8ae7941513b1a4572c0394023d71a490136d718bc874a8fb8821d3ae88ae2b9e61746d17f81eadbe0a17044913284ba99a85a59cf
SSDEEP

6144:77y5gB8tW/icvPQXBYc6Slg3n+5f9BC1lfr7lC6+gfSbPFaAHVdkxpjMrn34M:qCycsYglan0BCDJKzfD4pjKH

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

Retrusive.exe
.exe windows x86

e160ef8e55bb9d162da4e266afd9eef3

Code Sign

58:8d:87:06:af:00:b9:76:6d:a3:7e:52:f5:45:9b:8d:ef:5b:57:f0
Certificate

Issuer

OU=Osmics irruption Alebush\ ,O=Usipetes,L=Drummond,ST=Oklahoma,C=US,1.2.840.113549.1.9.1=#0c1b4665647465726965726e657340416e61726365737465732e556e73

Not Before

09/07/2022, 01:44

Not After

08/07/2025, 01:44

Subject

OU=Osmics irruption Alebush\ ,O=Usipetes,L=Drummond,ST=Oklahoma,C=US,1.2.840.113549.1.9.1=#0c1b4665647465726965726e657340416e61726365737465732e556e73

58:8d:87:06:af:00:b9:76:6d:a3:7e:52:f5:45:9b:8d:ef:5b:57:f0
Certificate

Issuer

OU=Osmics irruption Alebush\ ,O=Usipetes,L=Drummond,ST=Oklahoma,C=US,1.2.840.113549.1.9.1=#0c1b4665647465726965726e657340416e61726365737465732e556e73

Not Before

09/07/2022, 01:44

Not After

08/07/2025, 01:44

Subject

OU=Osmics irruption Alebush\ ,O=Usipetes,L=Drummond,ST=Oklahoma,C=US,1.2.840.113549.1.9.1=#0c1b4665647465726965726e657340416e61726365737465732e556e73

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

78:39:f1:61:05:f9:36:ad:65:bd:0f:8f:c3:84:4f:15:d7:12:65:02:eb:45:06:ac:db:fb:e4:92:9f:10:8a:98
Signer

Actual PE Digest

78:39:f1:61:05:f9:36:ad:65:bd:0f:8f:c3:84:4f:15:d7:12:65:02:eb:45:06:ac:db:fb:e4:92:9f:10:8a:98

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

OU=Osmics irruption Alebush\ ,O=Usipetes,L=Drummond,ST=Oklahoma,C=US,1.2.840.113549.1.9.1=#0c1b4665647465726965726e657340416e61726365737465732e556e73

01/03/2023, 11:48
Valid: false

6c:2b:90:af:00:91:f5:43:df:56:82:89:a8:73:f1:71:f8:3f:ab:38
Signer

Actual PE Digest

6c:2b:90:af:00:91:f5:43:df:56:82:89:a8:73:f1:71:f8:3f:ab:38

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

OU=Osmics irruption Alebush\ ,O=Usipetes,L=Drummond,ST=Oklahoma,C=US,1.2.840.113549.1.9.1=#0c1b4665647465726965726e657340416e61726365737465732e556e73

27/02/2023, 09:31
Valid: false

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

user32

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

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA

advapi32

RegCloseKey
RegOpenKeyExA
RegDeleteKeyA
RegDeleteValueA
RegEnumValueA
RegCreateKeyExA
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_Create
ImageList_AddMasked
ImageList_Destroy
ord17

ole32

CoCreateInstance
CoTaskMemFree
OleInitialize
OleUninitialize

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

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: 1024B - Virtual size: 3.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 120KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 161KB - Virtual size: 160KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

e160ef8e55bb9d162da4e266afd9eef3

Code Sign

58:8d:87:06:af:00:b9:76:6d:a3:7e:52:f5:45:9b:8d:ef:5b:57:f0Certificate

58:8d:87:06:af:00:b9:76:6d:a3:7e:52:f5:45:9b:8d:ef:5b:57:f0Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

78:39:f1:61:05:f9:36:ad:65:bd:0f:8f:c3:84:4f:15:d7:12:65:02:eb:45:06:ac:db:fb:e4:92:9f:10:8a:98Signer

Signature Validations

Verification

01/03/2023, 11:48 Valid: false

6c:2b:90:af:00:91:f5:43:df:56:82:89:a8:73:f1:71:f8:3f:ab:38Signer

Signature Validations

Verification

27/02/2023, 09:31 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

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

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

.data Size: 1024B - Virtual size: 3.6MB

.ndata Size: - Virtual size: 120KB

.rsrc Size: 161KB - Virtual size: 160KB

58:8d:87:06:af:00:b9:76:6d:a3:7e:52:f5:45:9b:8d:ef:5b:57:f0
Certificate

58:8d:87:06:af:00:b9:76:6d:a3:7e:52:f5:45:9b:8d:ef:5b:57:f0
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

78:39:f1:61:05:f9:36:ad:65:bd:0f:8f:c3:84:4f:15:d7:12:65:02:eb:45:06:ac:db:fb:e4:92:9f:10:8a:98
Signer

01/03/2023, 11:48
Valid: false

6c:2b:90:af:00:91:f5:43:df:56:82:89:a8:73:f1:71:f8:3f:ab:38
Signer

27/02/2023, 09:31
Valid: false

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

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

.data
Size: 1024B - Virtual size: 3.6MB

.ndata
Size: - Virtual size: 120KB

.rsrc
Size: 161KB - Virtual size: 160KB