Summary | ZeroBOX

xlss.exe

Category Machine Started Completed
FILE s1_win7_x6402 March 31, 2021, 6:11 p.m. March 31, 2021, 6:29 p.m.
Size 590.0KB
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5 ca1edf2b6c5aa4926d38e87f22094583
SHA256 7fba034b2f0aa5f549bda067c80b6494a02ea3d96e70e13701845bcfe7ade5e7
CRC32 6A993F25
ssdeep 6144:Xa/5KHfKDw+YLNz1+x4adn/1Zhvkb+0LNSNsFSsuZGl+EDOeRhMrT89Rcfry5KQJ:MACyz1+VB/1mpl4Sl63bf
Yara
  • PE_Header_Zero - PE File Signature Zero
  • network_tcp_listen - Listen for incoming communication
  • IsPE32 - (no description)
  • IsNET_EXE - (no description)
  • IsWindowsGUI - (no description)
  • HasDebugData - DebugData Check

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

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

IsDebuggerPresent

0 0

IsDebuggerPresent

0 0
Time & API Arguments Status Return Repeated

CryptExportKey

buffer: <INVALID POINTER>
crypto_handle: 0x00482c60
flags: 0
crypto_export_handle: 0x00000000
blob_type: 6
1 1 0

CryptExportKey

buffer: <INVALID POINTER>
crypto_handle: 0x00482be0
flags: 0
crypto_export_handle: 0x00000000
blob_type: 6
1 1 0

CryptExportKey

buffer: <INVALID POINTER>
crypto_handle: 0x00482be0
flags: 0
crypto_export_handle: 0x00000000
blob_type: 6
1 1 0
Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

1 1 0
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 1245184
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005a0000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00690000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 4656
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6fba1000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 4656
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6fba2000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 1310720
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01f40000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x02040000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005d2000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00605000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0060b000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00607000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005ec000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01fa0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005da000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005fa000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005f7000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005ea000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 327680
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7ef50000
allocation_type: 1056768 (MEM_RESERVE|MEM_TOP_DOWN)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7ef50000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7ef50000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7ef58000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 65536
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7ef40000
allocation_type: 1056768 (MEM_RESERVE|MEM_TOP_DOWN)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7ef40000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01fa1000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005dc000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 4656
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73772000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01fa2000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005ed000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 24576
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01fa3000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01fa9000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01faa000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01fab000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01fac000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 4656
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005f6000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 6596
region_size: 3158016
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00a80000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0
section {u'size_of_data': u'0x0008ea00', u'virtual_address': u'0x00002000', u'entropy': 6.9335438991497025, u'name': u'.text', u'virtual_size': u'0x0008e8e4'} entropy 6.93354389915 description A section with a high entropy has been found
entropy 0.967769296014 description Overall entropy of this PE file is high
Time & API Arguments Status Return Repeated

LookupPrivilegeValueW

system_name:
privilege_name: SeDebugPrivilege
1 1 0

LookupPrivilegeValueW

system_name:
privilege_name: SeDebugPrivilege
1 1 0
description Listen for incoming communication rule network_tcp_listen
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 Bypass DEP rule disable_dep
Time & API Arguments Status Return Repeated

NtTerminateProcess

status_code: 0xffffffff
process_identifier: 4404
process_handle: 0x00000250
0 0

NtTerminateProcess

status_code: 0xffffffff
process_identifier: 4404
process_handle: 0x00000250
1 0 0
host 172.217.25.14
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

process_identifier: 4404
region_size: 163840
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: 0x0000023c
3221225496 0

NtAllocateVirtualMemory

process_identifier: 6596
region_size: 163840
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: 0x00000254
1 0 0
Process injection Process 4656 manipulating memory of non-child process 4404
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

process_identifier: 4404
region_size: 163840
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: 0x0000023c
3221225496 0
Time & API Arguments Status Return Repeated

WriteProcessMemory

buffer: MZERèXƒè ‹ÈƒÀ<‹ÁƒÀ(ÿᐸº´ Í!¸LÍ!This program cannot be run in DOS mode. $}f?9QH9QH9QH"šúHuQH"šÏH:QH"šÌH8QHRich9QHPELu=à  pðÏ€@€@.text op `
base_address: 0x00400000
process_identifier: 6596
process_handle: 0x00000254
1 1 0

WriteProcessMemory

buffer: @
base_address: 0x7efde008
process_identifier: 6596
process_handle: 0x00000254
1 1 0
Time & API Arguments Status Return Repeated

WriteProcessMemory

buffer: MZERèXƒè ‹ÈƒÀ<‹ÁƒÀ(ÿᐸº´ Í!¸LÍ!This program cannot be run in DOS mode. $}f?9QH9QH9QH"šúHuQH"šÏH:QH"šÌH8QHRich9QHPELu=à  pðÏ€@€@.text op `
base_address: 0x00400000
process_identifier: 6596
process_handle: 0x00000254
1 1 0
Process injection Process 4656 called NtSetContextThread to modify thread in remote process 6596
Time & API Arguments Status Return Repeated

NtSetContextThread

registers.eip: 0
registers.esp: 0
registers.edi: 0
registers.eax: 4313072
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x00000250
process_identifier: 6596
1 0 0
Process injection Process 4656 resumed a thread in remote process 6596
Time & API Arguments Status Return Repeated

NtResumeThread

thread_handle: 0x00000250
suspend_count: 1
process_identifier: 6596
1 0 0
Elastic malicious (high confidence)
FireEye Trojan.GenericKDZ.73839
Cylance Unsafe
Cybereason malicious.9ce21a
Arcabit Trojan.Generic.D1206F
Cyren W32/MSIL_Kryptik.DSQ.gen!Eldorado
ESET-NOD32 a variant of MSIL/Kryptik.AAFE
APEX Malicious
Avast Win32:PWSX-gen [Trj]
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.MSIL.Taskun.gen
BitDefender Trojan.GenericKDZ.73839
Paloalto generic.ml
MicroWorld-eScan Trojan.GenericKDZ.73839
Ad-Aware Trojan.GenericKDZ.73839
Sophos ML/PE-A
DrWeb Trojan.PackedNET.615
Emsisoft Trojan.GenericKDZ.73839 (B)
SentinelOne Static AI - Malicious PE
MAX malware (ai score=80)
Microsoft Trojan:Win32/AgentTesla!ml
GData Trojan.GenericKDZ.73839
AhnLab-V3 Malware/Win.Generic.R374854
Rising Trojan.AgentTesla!8.104D5 (TFE:D:PV2h3RRHbBF)
Fortinet MSIL/Kryptik.DSS!tr
BitDefenderTheta Gen:NN.ZemsilF.34662.Km0@aOcYvug
AVG Win32:PWSX-gen [Trj]
CrowdStrike win/malicious_confidence_60% (W)
Time & API Arguments Status Return Repeated

NtResumeThread

thread_handle: 0x000000dc
suspend_count: 1
process_identifier: 4656
1 0 0

NtResumeThread

thread_handle: 0x00000150
suspend_count: 1
process_identifier: 4656
1 0 0

NtResumeThread

thread_handle: 0x00000194
suspend_count: 1
process_identifier: 4656
1 0 0

NtResumeThread

thread_handle: 0x00000220
suspend_count: 1
process_identifier: 4656
1 0 0

NtGetContextThread

thread_handle: 0x000000e0
1 0 0

NtGetContextThread

thread_handle: 0x000000e0
1 0 0

NtResumeThread

thread_handle: 0x000000e0
suspend_count: 1
process_identifier: 4656
1 0 0

CreateProcessInternalW

thread_identifier: 7552
thread_handle: 0x00000240
process_identifier: 4404
current_directory:
filepath: C:\Users\test22\AppData\Local\Temp\xlss.exe
track: 1
command_line:
filepath_r: C:\Users\test22\AppData\Local\Temp\xlss.exe
stack_pivoted: 0
creation_flags: 134217732 (CREATE_NO_WINDOW|CREATE_SUSPENDED)
inherit_handles: 0
process_handle: 0x0000023c
1 1 0

NtGetContextThread

thread_handle: 0x00000240
1 0 0

NtAllocateVirtualMemory

process_identifier: 4404
region_size: 163840
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: 0x0000023c
3221225496 0

CreateProcessInternalW

thread_identifier: 7316
thread_handle: 0x00000250
process_identifier: 6596
current_directory:
filepath: C:\Users\test22\AppData\Local\Temp\xlss.exe
track: 1
command_line:
filepath_r: C:\Users\test22\AppData\Local\Temp\xlss.exe
stack_pivoted: 0
creation_flags: 134217732 (CREATE_NO_WINDOW|CREATE_SUSPENDED)
inherit_handles: 0
process_handle: 0x00000254
1 1 0

NtGetContextThread

thread_handle: 0x00000250
1 0 0

NtAllocateVirtualMemory

process_identifier: 6596
region_size: 163840
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: 0x00000254
1 0 0

WriteProcessMemory

buffer: MZERèXƒè ‹ÈƒÀ<‹ÁƒÀ(ÿᐸº´ Í!¸LÍ!This program cannot be run in DOS mode. $}f?9QH9QH9QH"šúHuQH"šÏH:QH"šÌH8QHRich9QHPELu=à  pðÏ€@€@.text op `
base_address: 0x00400000
process_identifier: 6596
process_handle: 0x00000254
1 1 0

WriteProcessMemory

buffer:
base_address: 0x00401000
process_identifier: 6596
process_handle: 0x00000254
1 1 0

WriteProcessMemory

buffer: @
base_address: 0x7efde008
process_identifier: 6596
process_handle: 0x00000254
1 1 0

NtSetContextThread

registers.eip: 0
registers.esp: 0
registers.edi: 0
registers.eax: 4313072
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x00000250
process_identifier: 6596
1 0 0

NtResumeThread

thread_handle: 0x00000250
suspend_count: 1
process_identifier: 6596
1 0 0