download - 2023-07-10T160224[.]257pdf[.]rar

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General

Target

download - 2023-07-10T160224.257pdf.rar
Size

231KB
MD5

983ec51c2097098447aee9fabd431ea2
SHA1

02161c8af67c5c7e9843d9661043e89277bf6199
SHA256

77cad9f23e9c65861c3568ae5281db6e2bde3bc611f820eaf77dc18f1b4bfe69
SHA512

69f7200cbf5e474fe74615f29b2ae5acf067018477d8a95925850c263b155a4ecfc33f74115a8f8e2b0387bb75ef324cfa77e867c8fa457355fe40d3f11f2bae
SSDEEP

6144:8N4K35eI5DYAW2w9MTCSD3WaMsFMfdXteZeB:xK35egDYAteSqaq1Xtg+

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
static1/unpack001/download - 2023-07-10T160224.257pdf.exe	nsis_installer_1
static1/unpack001/download - 2023-07-10T160224.257pdf.exe	nsis_installer_2

Files

download - 2023-07-10T160224.257pdf.rar
.rar
download - 2023-07-10T160224.257pdf.exe
.exe windows x86

b78ecf47c0a3e24a6f4af114e2d1f5de

Code Sign

3a:8f:d8:69:f5:ca:0d:51:c1:3f:fd:ad:b2:91:dd:80:84:bb:78:18
Certificate

Issuer

OU=Bidree Carbonarist Opsamling\ ,O=Formaliser,L=Paris 04,ST=Île-de-France,C=FR,1.2.840.113549.1.9.1=#0c15456b73706564657265405265616c61726d2e627967

Not Before

16/05/2023, 00:29

Not After

15/05/2026, 00:29

Subject

OU=Bidree Carbonarist Opsamling\ ,O=Formaliser,L=Paris 04,ST=Île-de-France,C=FR,1.2.840.113549.1.9.1=#0c15456b73706564657265405265616c61726d2e627967

3a:8f:d8:69:f5:ca:0d:51:c1:3f:fd:ad:b2:91:dd:80:84:bb:78:18
Certificate

Issuer

OU=Bidree Carbonarist Opsamling\ ,O=Formaliser,L=Paris 04,ST=Île-de-France,C=FR,1.2.840.113549.1.9.1=#0c15456b73706564657265405265616c61726d2e627967

Not Before

16/05/2023, 00:29

Not After

15/05/2026, 00:29

Subject

OU=Bidree Carbonarist Opsamling\ ,O=Formaliser,L=Paris 04,ST=Île-de-France,C=FR,1.2.840.113549.1.9.1=#0c15456b73706564657265405265616c61726d2e627967

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

99:20:70:10:8c:c4:d6:ec:40:8a:3c:00:6c:f3:62:60:0f:03:cd:ad:d4:65:f9:1e:db:28:98:fe:f1:64:08:91
Signer

Actual PE Digest

99:20:70:10:8c:c4:d6:ec:40:8a:3c:00:6c:f3:62:60:0f:03:cd:ad:d4:65:f9:1e:db:28:98:fe:f1:64:08:91

Digest Algorithm

sha256

PE Digest Matches

true

f8:05:d2:d6:3a:be:05:89:87:de:68:68:42:71:b6:d0:46:6d:fa:e7
Signer

Actual PE Digest

f8:05:d2:d6:3a:be:05:89:87:de:68:68:42:71:b6:d0:46:6d:fa:e7

Digest Algorithm

sha1

PE Digest Matches

true

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

kernel32

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

user32

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

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA

advapi32

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

comctl32

ImageList_Create
ImageList_AddMasked
ImageList_Destroy
ord17

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

.text
Size: 24KB - Virtual size: 23KB

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: 1024B - Virtual size: 3.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 132KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 175KB - Virtual size: 174KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b78ecf47c0a3e24a6f4af114e2d1f5de

Code Sign

3a:8f:d8:69:f5:ca:0d:51:c1:3f:fd:ad:b2:91:dd:80:84:bb:78:18Certificate

3a:8f:d8:69:f5:ca:0d:51:c1:3f:fd:ad:b2:91:dd:80:84:bb:78:18Certificate

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

99:20:70:10:8c:c4:d6:ec:40:8a:3c:00:6c:f3:62:60:0f:03:cd:ad:d4:65:f9:1e:db:28:98:fe:f1:64:08:91Signer

f8:05:d2:d6:3a:be:05:89:87:de:68:68:42:71:b6:d0:46:6d:fa:e7Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

.text Size: 24KB - Virtual size: 23KB

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

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

.ndata Size: - Virtual size: 132KB

.rsrc Size: 175KB - Virtual size: 174KB

3a:8f:d8:69:f5:ca:0d:51:c1:3f:fd:ad:b2:91:dd:80:84:bb:78:18
Certificate

3a:8f:d8:69:f5:ca:0d:51:c1:3f:fd:ad:b2:91:dd:80:84:bb:78:18
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

99:20:70:10:8c:c4:d6:ec:40:8a:3c:00:6c:f3:62:60:0f:03:cd:ad:d4:65:f9:1e:db:28:98:fe:f1:64:08:91
Signer

f8:05:d2:d6:3a:be:05:89:87:de:68:68:42:71:b6:d0:46:6d:fa:e7
Signer

.text
Size: 24KB - Virtual size: 23KB

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

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

.ndata
Size: - Virtual size: 132KB

.rsrc
Size: 175KB - Virtual size: 174KB