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cks.jpg

UPX Malicious Library PE32 PE File DLL
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6401 Dec. 15, 2021, 2:04 p.m. Dec. 15, 2021, 2:33 p.m.
Size 681.0KB
Type PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5 50817405952c89315384d40a1f7e30e7
SHA256 d3a94525967c7112ab7b411f626b74ca4a8477a9e0d408d9f4d53e5bceb415bd
CRC32 0F8E6993
ssdeep 12288:McAbM4Wv81CSwuWmrH9rUQl+NbqQoYcsky8xOU72FV0wNT:eb87Fmrt/lMbqQoYcuCaf0GT
Yara
  • PE_Header_Zero - PE File Signature
  • IsPE32 - (no description)
  • Malicious_Library_Zero - Malicious_Library
  • UPX_Zero - UPX packed file

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

Time & API Arguments Status Return Repeated

GetComputerNameA

 computer_name: TEST22-PC
1 1 0

GetComputerNameW

 computer_name: TEST22-PC
1 1 0
Time & API Arguments Status Return Repeated

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0
Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

 1 1 0
section .ndata
Time & API Arguments Status Return Repeated

__exception__

 stacktrace: 
SafeArrayDestroy+0xf SafeArrayUnlock-0x1d6 oleaut32+0x1defa @ 0x76cedefa
cks+0x12d5 @ 0x4012d5
cks+0x14e5 @ 0x4014e5
cks+0x1819 @ 0x401819
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x766e33ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77679ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77679ea5

exception.instruction_r: 39 5e 08 0f 87 e6 9e 01 00 57 0f b7 7e 02 f7 c7
exception.symbol: SafeArrayDestroy+0x2c SafeArrayUnlock-0x1b9 oleaut32+0x1df17
exception.instruction: cmp dword ptr [esi + 8], ebx
exception.module: OLEAUT32.dll
exception.exception_code: 0xc0000005
exception.offset: 122647
exception.address: 0x76cedf17
registers.esp: 1637996
registers.edi: 2147942411
registers.eax: 0
registers.ebp: 1638004
registers.edx: 93
registers.ebx: 0
registers.esi: 217746
registers.ecx: 5922360
1 0 0
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 2824
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73a12000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2824
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 8192
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73ae1000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 2097152
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01fc0000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x02180000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2936
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72e31000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2936
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72e32000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 1310720
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01df0000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01ef0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00472000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x02181000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x02182000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0047a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0047c000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x004ab000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x004a7000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x004a5000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0
file C:\Users\test22\AppData\Local\Temp\nsnE1A6.tmp\jfikotvjyq.dll
file C:\Users\test22\AppData\Local\Temp\nsnE1A6.tmp\jfikotvjyq.dll
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 307200
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: 0x00000228
1 0 0
Process injection Process 2824 called NtSetContextThread to modify thread in remote process 2936
Time & API Arguments Status Return Repeated

NtSetContextThread

 registers.eip: 2003108292
registers.esp: 1638384
registers.edi: 0
registers.eax: 4200587
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x00000224
process_identifier: 2936
1 0 0
Time & API Arguments Status Return Repeated

CreateProcessInternalW

 thread_identifier: 2940
thread_handle: 0x00000224
process_identifier: 2936
current_directory:
filepath: C:\Users\test22\AppData\Local\Temp\cks.jpg
track: 1
command_line: "C:\Users\test22\AppData\Local\Temp\cks.jpg"
filepath_r: C:\Users\test22\AppData\Local\Temp\cks.jpg
stack_pivoted: 0
creation_flags: 134217732 (CREATE_NO_WINDOW|CREATE_SUSPENDED)
inherit_handles: 0
process_handle: 0x00000228
1 1 0

NtGetContextThread

 thread_handle: 0x00000224
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2936
region_size: 307200
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: 0x00000228
1 0 0

NtSetContextThread

 registers.eip: 2003108292
registers.esp: 1638384
registers.edi: 0
registers.eax: 4200587
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x00000224
process_identifier: 2936
1 0 0

NtResumeThread

 thread_handle: 0x00000118
suspend_count: 1
process_identifier: 2936
1 0 0

NtResumeThread

 thread_handle: 0x0000018c
suspend_count: 1
process_identifier: 2936
1 0 0

NtResumeThread

 thread_handle: 0x000001cc
suspend_count: 1
process_identifier: 2936
1 0 0