Summary | ZeroBOX

rr.exe

BlackMatter Ransomware PE32 PE File
Category Machine Started Completed
FILE s1_win7_x6401 April 21, 2025, 1:13 p.m. April 21, 2025, 1:39 p.m.
Size 148.5KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 d6739725d5d99d801ae99edb0cd5b1c8
SHA256 8a56e5f619b2abde688af72a1e714b096fab5e93cf89693fbb68adb0fc5a6321
CRC32 A27C10F4
ssdeep 1536:szICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDLTR6FM0AuwBg/rti2ZqD6gaUyz:DqJogYkcSNm9V7DLTQq0Xi+qzaT
Yara
  • PE_Header_Zero - PE File Signature
  • BlackMatter_Ransomware_IN - BlackMatter Ransomware
  • IsPE32 - (no description)

Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action
No hosts contacted.

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

section .itext
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

process_identifier: 2540
region_size: 851968
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00350000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2540
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003e0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2540
region_size: 16384
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003e1000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2540
region_size: 69632
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003e5000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2540
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003f6000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2540
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003f7000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0
section {u'size_of_data': u'0x0000a000', u'virtual_address': u'0x0001b000', u'entropy': 7.987552569910449, u'name': u'.data', u'virtual_size': u'0x0000adc8'} entropy 7.98755256991 description A section with a high entropy has been found
section {u'size_of_data': u'0x00001400', u'virtual_address': u'0x00026000', u'entropy': 7.901265403318709, u'name': u'.pdata', u'virtual_size': u'0x0000136f'} entropy 7.90126540332 description A section with a high entropy has been found
entropy 0.305084745763 description Overall entropy of this PE file is high