Static task
static1
Behavioral task
behavioral1
Sample
MBR - Note Builder.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
MBR - Note Builder.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
MBR - Note Builder.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral4
Sample
MBR - Note Builder.exe
Resource
win11-20240508-en
General
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Target
MBR - Note Builder.exe
-
Size
827KB
-
MD5
22fa9afd7863051c98b687eb90b94243
-
SHA1
a5273eb79ac1afdf16b194cc11f0c50b73d0a701
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SHA256
0672ba93ea41fce8ad09f680f4982105a4e089a5016bb7112da4f4ddd45b1242
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SHA512
5f9e42f7720e2e5b264e7561d6c873bbfb022574209913775977235c5ee539a5981ff11928ee59ceaffd1444ee905f77793b22e9f9a8a5cb517d5c93d1ffe396
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SSDEEP
12288:PRvB0VluW+XuONzOT9QsWMfBNXFUFlyCU1sWph2FCVJMFKH5630Kn:PhqOWEu+spd6xGH4Ig30
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource MBR - Note Builder.exe
Files
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MBR - Note Builder.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 492KB - Virtual size: 491KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 17KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 3KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 16B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 31KB - Virtual size: 30KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 276KB - Virtual size: 275KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ