Behavioral task
behavioral1
Sample
ReSystem/ReSystem_X32.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ReSystem/ReSystem_X32.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
ReSystem/ReSystem_X64.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
ReSystem/ReSystem_X64.exe
Resource
win10v2004-20240802-en
General
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Target
f9d9606cb11d5332000e082c5a2fea6c_JaffaCakes118
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Size
778KB
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MD5
f9d9606cb11d5332000e082c5a2fea6c
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SHA1
e1c6597c2d91d1053e8e57593c5e5869b3ec158c
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SHA256
aa956b696c3a60e74c4a2c8556952820461c2664c419d1561764d4333ca37f20
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SHA512
a3e0032f91fe6366d689f8a5e7cd902139435038450d2d324c0d4ae92308ed1bce25d0289d8768bb5ce3dabfbce2a7e0ada34423bf4518ea1422fa22c6d6ab3d
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SSDEEP
12288:/Lppy+p5WKBmzEPls2uIadm+BxUwNWh2RXVOjQMLg1qPRIZ0:jDH0zEtFuIadXxUoWh2LM0YOm
Malware Config
Signatures
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AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule static1/unpack002/out.upx autoit_exe -
resource yara_rule static1/unpack001/ReSystem/ReSystem_X32.exe upx -
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/ReSystem/ReSystem_X32.exe unpack002/out.upx unpack001/ReSystem/ReSystem_X64.exe
Files
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f9d9606cb11d5332000e082c5a2fea6c_JaffaCakes118.rar
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ReSystem/ReSystem_X32.exe.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 788KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 263KB - Virtual size: 264KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 353KB - Virtual size: 356KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 512KB - Virtual size: 512KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 54KB - Virtual size: 54KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 26KB - Virtual size: 105KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 356KB - Virtual size: 355KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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ReSystem/ReSystem_X64.exe.exe windows:5 windows x64 arch:x64
e57fc6312ca3ab50d2df0dc1e0e64207
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetModuleHandleA
GetProcAddress
wsock32
__WSAFDIsSet
version
VerQueryValueW
winmm
timeGetTime
comctl32
ImageList_Remove
mpr
WNetGetConnectionW
wininet
FtpOpenFileW
psapi
EnumProcesses
userenv
LoadUserProfileW
user32
GetDC
gdi32
LineTo
comdlg32
GetSaveFileNameW
advapi32
GetAce
shell32
DragFinish
ole32
CoInitialize
oleaut32
SafeArrayAllocData
Sections
.MPRESS1 Size: 282KB - Virtual size: 1.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 351KB - Virtual size: 350KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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ReSystem/Readme.txt
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ReSystem/Res/Icon.ico