Static task
static1
Behavioral task
behavioral1
Sample
MACRO-DFIR-RETO.xls
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
iroto.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
iroto1.dll
Resource
win10v2004-20240412-en
General
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Target
MACROS-RETO-DFIR.zip
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Size
106KB
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MD5
d1475cd5e8a46d9c1116dfe65d9f5e39
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SHA1
c01172b22fab64c6d387af9b61d513af7e8e33a7
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SHA256
33180ab9b8611dad2a48eb4dfcf9b0da28ba02381dbbe23fe67551063d77f94a
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SHA512
416a8b0544d03fc1ec4c7397be9af746c1a835e76d4b4fff491fdc21a284a7dbf43561f1631f6f0b7d822eb3f37d33764235a108c042e176a47b63455b7f046d
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SSDEEP
1536:Tvd/zEPlZjXD4iQG6cKmQvXe6qt5CcPZq3MIJXsIOkDY4HMGVo/n/1I:5CNDrpKbeDt5rZq8IJX3Ok04H/O/W
Malware Config
Signatures
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Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/iroto.dll unpack001/iroto1.dll
Files
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MACROS-RETO-DFIR.zip.zip
Password: qm
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MACRO-DFIR-RETO.xls.xls windows office2003
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iroto.dll.dll windows:4 windows x86 arch:x86
Password: qm
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Sections
.code Size: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.edata Size: 512B - Virtual size: 176B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 68KB - Virtual size: 68KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 896B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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iroto1.dll.dll windows:4 windows x86 arch:x86
Password: qm
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Sections
.code Size: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.edata Size: 512B - Virtual size: 176B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 68KB - Virtual size: 68KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 896B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ