Static task
static1
Behavioral task
behavioral1
Sample
MicrosoftToolkit.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
MicrosoftToolkit.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
MicrosoftToolkit.exe
Resource
win10v2004-20240508-en
General
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Target
MicrosoftToolkit.exe
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Size
317.1MB
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MD5
d3086e8a000add3d507a72d464e82e4b
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SHA1
16de80b98ac8cbb17863662fa1d02b6cd3151628
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SHA256
2a9b1c1f730c4146ff4356e3c5b6329ff5ea6f022d51146b61df8d276afd90df
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SHA512
6ed6edd5bc1604bdaecbb2b2181bdc5820d53d90477f47980aa14bbc1c081c0e178b524bb972e13df6fa134403d7ff3ac6fd6772857c32f69f7dd0efef0a839e
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SSDEEP
196608:WXnfk307gaHtQJhl4b9m/yNhnrH1PY0Zh4e:WXn830cI+lr/yNhnrVPzh
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource MicrosoftToolkit.exe
Files
-
MicrosoftToolkit.exe.exe windows:6 windows x86 arch:x86
cc4d418dcfe8a887ed78a3c1e2af0b5d
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetProcAddress
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
ExitProcess
GetModuleHandleA
LoadLibraryA
GetProcAddress
Sections
.text Size: - Virtual size: 108KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 57KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 10.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
[0] Size: 311.3MB - Virtual size: 311.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.;^K Size: - Virtual size: 1.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
./JR Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.J%g Size: 5.7MB - Virtual size: 5.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ