Behavioral task
behavioral1
Sample
2824-7-0x0000000000400000-0x0000000000537000-memory.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2824-7-0x0000000000400000-0x0000000000537000-memory.exe
Resource
win10v2004-20231215-en
General
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Target
2824-7-0x0000000000400000-0x0000000000537000-memory.dmp
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Size
1.2MB
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MD5
a98dbc0a00860252b7d8f30c131262c8
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SHA1
435da1f1e1b8c2aeffbfa484aee45fd66858f83e
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SHA256
57d87705d449cfd67926c97e288c65825edef333ef59eb03e0d51b180d3b3c9c
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SHA512
94f67577247e6a8c09c88439bba31dd05c2ed0fc381cf02e62d0f2279738650c367ad696d2ba0e27cb288651969edb00beddd8bd02f937e37805911a442b7d02
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SSDEEP
24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/BRPOO8hWQHUq7:F0dwAYZt6C31WeT5RPOhh7Uq7
Malware Config
Extracted
djvu
http://habrafa.com/test1/get.php
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extension
.cdpo
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offline_id
Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1
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payload_url
http://brusuax.com/dl/build2.exe
http://habrafa.com/files/1/build3.exe
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ransomnote
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Signatures
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Detected Djvu ransomware 1 IoCs
resource yara_rule sample family_djvu -
Djvu family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2824-7-0x0000000000400000-0x0000000000537000-memory.dmp
Files
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2824-7-0x0000000000400000-0x0000000000537000-memory.dmp.exe windows:5 windows x86 arch:x86
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
Sections
.text Size: 809KB - Virtual size: 809KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 247KB - Virtual size: 246KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 25KB - Virtual size: 128KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 41KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ