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66b62381ef649_crypted.exe#1

Malicious Library AntiDebug PE File PE32 .NET EXE AntiVM
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6403_us Aug. 10, 2024, 12:27 p.m. Aug. 10, 2024, 12:30 p.m.
Size 859.0KB
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5 d8f1bd1e839eec9a05b55fbc77c9ef90
SHA256 764890961c27d6b516714b52c222dd7facf968170e3c4851f75ec29cd05887ef
CRC32 60EBEED8
ssdeep 24576:sj6FEzWaU1QrQ3i5VpnuFx2iz26HpuaqVTwt:4tWZgUWZI
PDB Path MSG.pdb
Yara
  • Malicious_Library_Zero - Malicious_Library
  • PE_Header_Zero - PE File Signature
  • Is_DotNET_EXE - (no description)
  • IsPE32 - (no description)

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

Suricata Alerts

Flow SID Signature Category
TCP 147.45.44.124:29664 -> 192.168.56.103:49165 2400022 ET DROP Spamhaus DROP Listed Traffic Inbound group 23 Misc Attack

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0
pdb_path MSG.pdb
Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

 1 1 0
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 655360
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003e0000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00440000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1720
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73f31000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1720
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73f32000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 1179648
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00820000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00900000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x002a2000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x002bc000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00650000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x002db000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x002d7000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x002d5000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x002aa000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 12288
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00651000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1720
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x024a4000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1720
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00654000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0
section {u'size_of_data': u'0x000d3c00', u'virtual_address': u'0x00002000', u'entropy': 7.954426156296833, u'name': u'.text', u'virtual_size': u'0x000d3a14'} entropy 7.9544261563 description A section with a high entropy has been found
entropy 0.997644287397 description Overall entropy of this PE file is high
description (no description) rule DebuggerCheck__GlobalFlags
description (no description) rule DebuggerCheck__QueryInfo
description (no description) rule DebuggerHiding__Thread
description (no description) rule DebuggerHiding__Active
description (no description) rule ThreadControl__Context
description (no description) rule SEH__vectored
description Checks if being debugged rule anti_dbg
description Bypass DEP rule disable_dep
host 147.45.44.124
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 2156
region_size: 819200
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0x000001f0
1 0 0
Process injection Process 1720 manipulating memory of non-child process 2156
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 2156
region_size: 819200
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0x000001f0
1 0 0
Process injection Process 1720 injected into non-child 2156
Time & API Arguments Status Return Repeated

WriteProcessMemory

 buffer: MZÿÿ¸@€º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELïÆ8þà 0r ®~   @ € @…0 K  Àª`  H.text„p r  `.rsrcÀª  ¬t @@.reloc `  @B
base_address: 0x00400000
process_identifier: 2156
process_handle: 0x000001f0
1 1 0

WriteProcessMemory

 buffer:  €0
base_address: 0x004c6000
process_identifier: 2156
process_handle: 0x000001f0
1 1 0

WriteProcessMemory

 buffer: @
base_address: 0x7efde008
process_identifier: 2156
process_handle: 0x000001f0
1 1 0
Process injection Process 1720 injected into non-child 2156
Time & API Arguments Status Return Repeated

WriteProcessMemory

 buffer: MZÿÿ¸@€º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELïÆ8þà 0r ®~   @ € @…0 K  Àª`  H.text„p r  `.rsrcÀª  ¬t @@.reloc `  @B
base_address: 0x00400000
process_identifier: 2156
process_handle: 0x000001f0
1 1 0
Process injection Process 1720 called NtSetContextThread to modify thread in remote process 2156
Time & API Arguments Status Return Repeated

NtSetContextThread

 registers.eip: 2005598660
registers.esp: 1703804
registers.edi: 0
registers.eax: 4886654
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x000001ec
process_identifier: 2156
1 0 0
Process injection Process 1720 resumed a thread in remote process 2156
Time & API Arguments Status Return Repeated

NtResumeThread

 thread_handle: 0x000001ec
suspend_count: 1
process_identifier: 2156
1 0 0
Bkav W32.AIDetectMalware.CS
Elastic malicious (high confidence)
ALYac Gen:Variant.MSILHeracles.175258
Cylance Unsafe
VIPRE Gen:Variant.MSILHeracles.175258
BitDefender Gen:Variant.MSILHeracles.175258
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast PWSX-gen [Trj]
Kaspersky VHO:Trojan-PSW.MSIL.Stealerc.gen
MicroWorld-eScan Gen:Variant.MSILHeracles.175258
Emsisoft Gen:Variant.MSILHeracles.175258 (B)
McAfeeD Real Protect-LS!D8F1BD1E839E
Trapmine suspicious.low.ml.score
FireEye Generic.mg.d8f1bd1e839eec9a
SentinelOne Static AI - Malicious PE
Google Detected
MAX malware (ai score=85)
Microsoft Trojan:Win32/Wacatac.B!ml
ZoneAlarm VHO:Trojan-PSW.MSIL.Stealerc.gen
GData Gen:Variant.MSILHeracles.175258
BitDefenderTheta Gen:NN.ZemsilF.36810.1m2@aOMoxTo
Ikarus Trojan.MSIL.Crypt
huorong Trojan/MSIL.Agent.li
Fortinet MSIL/Kryptik.AMBW!tr
AVG PWSX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (D)
Time & API Arguments Status Return Repeated

NtResumeThread

 thread_handle: 0x000000dc
suspend_count: 1
process_identifier: 1720
1 0 0

NtResumeThread

 thread_handle: 0x0000014c
suspend_count: 1
process_identifier: 1720
1 0 0

NtResumeThread

 thread_handle: 0x00000194
suspend_count: 1
process_identifier: 1720
1 0 0

CreateProcessInternalW

 thread_identifier: 2160
thread_handle: 0x000001ec
process_identifier: 2156
current_directory:
filepath: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
track: 1
command_line:
filepath_r: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
stack_pivoted: 0
creation_flags: 4 (CREATE_SUSPENDED)
inherit_handles: 0
process_handle: 0x000001f0
1 1 0

NtGetContextThread

 thread_handle: 0x000001ec
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2156
region_size: 819200
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0x000001f0
1 0 0

WriteProcessMemory

 buffer: MZÿÿ¸@€º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELïÆ8þà 0r ®~   @ € @…0 K  Àª`  H.text„p r  `.rsrcÀª  ¬t @@.reloc `  @B
base_address: 0x00400000
process_identifier: 2156
process_handle: 0x000001f0
1 1 0

WriteProcessMemory

 buffer:
base_address: 0x00402000
process_identifier: 2156
process_handle: 0x000001f0
1 1 0

WriteProcessMemory

 buffer:
base_address: 0x004aa000
process_identifier: 2156
process_handle: 0x000001f0
1 1 0

WriteProcessMemory

 buffer:  €0
base_address: 0x004c6000
process_identifier: 2156
process_handle: 0x000001f0
1 1 0

WriteProcessMemory

 buffer: @
base_address: 0x7efde008
process_identifier: 2156
process_handle: 0x000001f0
1 1 0

NtSetContextThread

 registers.eip: 2005598660
registers.esp: 1703804
registers.edi: 0
registers.eax: 4886654
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x000001ec
process_identifier: 2156
1 0 0

NtResumeThread

 thread_handle: 0x000001ec
suspend_count: 1
process_identifier: 2156
1 0 0