Static task
static1
Behavioral task
behavioral1
Sample
b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
Melitta/Assonantic/evakueringsvelsers/Jakobskamp/Blyantstegninger.ps1
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
Melitta/Assonantic/evakueringsvelsers/Jakobskamp/Blyantstegninger.ps1
Resource
win10v2004-20231222-en
General
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Target
b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4.exe
-
Size
575KB
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MD5
46b01a46c54eae7a4a22df08acd2148d
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SHA1
b68dd5edfa58283488c7de3eeed549cc2cf34ace
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SHA256
b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4
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SHA512
f2fc66d4ee5057e760ebc758d9b5b937f8ab070724bd0611c4458520c5c21a839e094ad06b5760c59167a88614d1afff5512ef5120237c1b89ab23032e9991e8
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SSDEEP
12288:FmWRppHy/X3hRbetbLiiJTFoAtV9Tj20z168E7rg3ONKUH1:FmWRYhR6tbRJTFjTjxzk8QOyH1
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/$PLUGINSDIR/nsExec.dll -
NSIS installer 2 IoCs
resource yara_rule sample nsis_installer_1 sample nsis_installer_2
Files
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b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4.exe.exe windows:4 windows x86 arch:x86
e9c0657252137ac61c1eeeba4c021000
Code Sign
31:f2:e3:bc:07:d5:6f:87:c4:47:f9:89:04:d8:a5:4a:65:f6:31:83Certificate
IssuerCN=Brite,OU=udtjentes puerility\ ,O=Brite,L=Blagnac,ST=Occitanie,C=FR,1.2.840.113549.1.9.1=#0c1a537461766b69726b65726e65734043657068616c69736d2e416cNot Before12-10-2023 07:59Not After11-10-2026 07:59SubjectCN=Brite,OU=udtjentes puerility\ ,O=Brite,L=Blagnac,ST=Occitanie,C=FR,1.2.840.113549.1.9.1=#0c1a537461766b69726b65726e65734043657068616c69736d2e416c7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate
IssuerCN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=USNot Before12-01-2016 00:00Not After11-01-2031 23:59SubjectCN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate
IssuerCN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=USNot Before23-12-2017 00:00Not After22-03-2029 23:59SubjectCN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
c9:b0:8e:31:97:27:52:c1:3c:db:4e:66:a2:ea:4f:63:dc:ae:06:64:6b:f8:3e:a9:c0:69:06:12:a1:bd:99:abSigner
Actual PE Digestc9:b0:8e:31:97:27:52:c1:3c:db:4e:66:a2:ea:4f:63:dc:ae:06:64:6b:f8:3e:a9:c0:69:06:12:a1:bd:99:abDigest Algorithmsha256PE Digest MatchestrueHeaders
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
GetTempPathA
GetFileSize
GetModuleFileNameA
GetCurrentProcess
CopyFileA
ExitProcess
SetEnvironmentVariableA
Sleep
GetTickCount
GetCommandLineA
lstrlenA
GetVersion
SetErrorMode
lstrcpynA
GetDiskFreeSpaceA
GlobalUnlock
GetWindowsDirectoryA
SetFileAttributesA
GetLastError
CreateDirectoryA
CreateProcessA
RemoveDirectoryA
CreateFileA
GetTempFileNameA
ReadFile
WriteFile
lstrcpyA
MoveFileExA
lstrcatA
GetSystemDirectoryA
GetProcAddress
GetExitCodeProcess
WaitForSingleObject
CompareFileTime
SetFileTime
GetFileAttributesA
SetCurrentDirectoryA
MoveFileA
GetFullPathNameA
GetShortPathNameA
SearchPathA
CloseHandle
lstrcmpiA
CreateThread
GlobalLock
lstrcmpA
DeleteFileA
FindFirstFileA
FindNextFileA
FindClose
SetFilePointer
GetPrivateProfileStringA
WritePrivateProfileStringA
MulDiv
MultiByteToWideChar
FreeLibrary
LoadLibraryExA
GetModuleHandleA
GlobalAlloc
GlobalFree
ExpandEnvironmentStringsA
user32
GetSystemMenu
SetClassLongA
EnableMenuItem
IsWindowEnabled
SetWindowPos
GetSysColor
GetWindowLongA
SetCursor
LoadCursorA
CheckDlgButton
GetMessagePos
CallWindowProcA
IsWindowVisible
CloseClipboard
SetClipboardData
EmptyClipboard
OpenClipboard
ScreenToClient
GetWindowRect
GetDlgItem
GetSystemMetrics
SetDlgItemTextA
GetDlgItemTextA
MessageBoxIndirectA
CharPrevA
DispatchMessageA
PeekMessageA
GetDC
ReleaseDC
EnableWindow
InvalidateRect
SendMessageA
DefWindowProcA
BeginPaint
GetClientRect
FillRect
EndDialog
RegisterClassA
SystemParametersInfoA
CreateWindowExA
GetClassInfoA
DialogBoxParamA
CharNextA
ExitWindowsEx
LoadImageA
CreateDialogParamA
SetTimer
SetWindowTextA
SetForegroundWindow
ShowWindow
SetWindowLongA
SendMessageTimeoutA
FindWindowExA
IsWindow
AppendMenuA
TrackPopupMenu
CreatePopupMenu
DrawTextA
EndPaint
DestroyWindow
wsprintfA
PostQuitMessage
gdi32
SelectObject
SetTextColor
SetBkMode
CreateFontIndirectA
CreateBrushIndirect
DeleteObject
GetDeviceCaps
SetBkColor
shell32
SHGetSpecialFolderLocation
ShellExecuteExA
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
SHFileOperationA
advapi32
AdjustTokenPrivileges
RegCreateKeyExA
RegOpenKeyExA
SetFileSecurityA
OpenProcessToken
LookupPrivilegeValueA
RegEnumValueA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegSetValueExA
RegQueryValueExA
RegEnumKeyA
comctl32
ImageList_Create
ImageList_AddMasked
ord17
ImageList_Destroy
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: 106KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ndata Size: - Virtual size: 68KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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$PLUGINSDIR/nsExec.dll.dll windows:4 windows x86 arch:x86
20bc9f18cbf0b5fccf1f336a3608e7f7
Headers
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
Imports
kernel32
GlobalReAlloc
PeekNamedPipe
GetExitCodeProcess
WaitForSingleObject
GetTickCount
lstrcpyA
CreateProcessA
GetStartupInfoA
CreatePipe
GetVersion
DeleteFileA
lstrcmpiA
lstrlenA
lstrcatA
CloseHandle
TerminateProcess
ReadFile
CreateFileMappingA
CreateFileA
CopyFileA
Sleep
GlobalFree
GlobalAlloc
GetModuleFileNameA
GetProcAddress
GetModuleHandleA
GetCurrentProcess
ExitProcess
lstrcpynA
GetCommandLineA
UnmapViewOfFile
MapViewOfFile
GetTempFileNameA
user32
SendMessageA
OemToCharBuffA
CharNextA
CharPrevA
FindWindowExA
wsprintfA
CharNextExA
advapi32
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
Exports
Exports
Exec
ExecToLog
ExecToStack
Sections
.text Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 432B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
Accumulators/whitecup.Lak232
-
Flygtningelandsbyer/Oplukkelig/tildelingsstningens/stafets.tra
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Melitta/Assonantic/evakueringsvelsers/Jakobskamp/Blyantstegninger.Mum.ps1
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Melitta/Assonantic/evakueringsvelsers/Jakobskamp/Illuminist127.pas
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Melitta/Assonantic/evakueringsvelsers/Jakobskamp/Sovepudernes.txt
-
Melitta/Assonantic/evakueringsvelsers/Jakobskamp/Sportshallen.lkk
-
Melitta/Assonantic/evakueringsvelsers/Jakobskamp/begrdeligeres.mel
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Skrvindsels/Bide/Lepidodendron/skriveblokkes.eft
-
Skrvindsels/Bide/Lepidodendron/sljfes.bac
-
Skrvindsels/Bide/Lepidodendron/spirane.mac
-
lokalplanstridiges.str
-
loupen.kap
-
plaustral.bof
-
skoleskibet.phr