Behavioral task
behavioral1
Sample
F.U.N/cheeto.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
F.U.N/cheeto.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
F.U.N/loader.exe
Resource
win7-20240221-en
General
-
Target
F.U.N (3).rar
-
Size
8.2MB
-
MD5
fc97ddc3c83c618dfe2d011df2dbaec4
-
SHA1
eef895841f2949b1dc2be5d94ef7972935d5074d
-
SHA256
bb6ffe12784887f96a8d1feb146c04f0512424cc769d17946c8f7331c9f95dd5
-
SHA512
eb0708d5519e011ac856bd0ee9d1e50058c2e965d89550179eae62c20c32f745a931edee598f978f74e3e699d6954f519276cd5d9c83462dd8b2a8f1b1cd3d77
-
SSDEEP
196608:eowEy0DEIzNQoRKa+ng0xLUh+oy/TcLS9ypLYLhbNAE8:h008nxxLLotLRVA/F8
Malware Config
Signatures
-
resource yara_rule static1/unpack001/F.U.N/cheeto.exe themida static1/unpack001/F.U.N/loader.exe themida -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/F.U.N/cheeto.exe unpack001/F.U.N/loader.exe
Files
-
F.U.N (3).rar.rar
-
F.U.N/READ ME!.txt
-
F.U.N/cheeto.exe.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
Size: 475KB - Virtual size: 991KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 102KB - Virtual size: 242KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 94KB - Virtual size: 175KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 21KB - Virtual size: 35KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 275B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 1KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.imports Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 5.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 3.4MB - Virtual size: 3.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 16B - Virtual size: 4KB
IMAGE_SCN_MEM_READ
-
F.U.N/loader.exe.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
Size: 393KB - Virtual size: 773KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 68KB - Virtual size: 162KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 192KB - Virtual size: 386KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 18KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 267B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.imports Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 5.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 3.4MB - Virtual size: 3.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 16B - Virtual size: 4KB
IMAGE_SCN_MEM_READ