03c78609c3517841238daa5d6abf5dcb8291b79b052e97dfddc27909e0b5323a

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/10/2024, 21:10

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General

Target

03c78609c3517841238daa5d6abf5dcb8291b79b052e97dfddc27909e0b5323aN.exe
Size

104KB
MD5

4206a5f07e98beb2bea1082ee617a360
SHA1

de53e8a0454b18babbc895bc5b8dc701f4513f29
SHA256

03c78609c3517841238daa5d6abf5dcb8291b79b052e97dfddc27909e0b5323a
SHA512

44a5df14b3dffe9f2735767d998262e1aab5e94af00e427389f14f272429dc3dfc99697e67b5b06bc8eb8377e8b1d1d10b5766434421999dbfe9176e844576b4
SSDEEP

3072:rDjabtcLayLXD6riZOb4faCNnl545nza:ryb4NfaCr54w

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\skype.dat"	svchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2320	03c78609c3517841238daa5d6abf5dcb8291b79b052e97dfddc27909e0b5323aN.exe
2644	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ctfmon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	03c78609c3517841238daa5d6abf5dcb8291b79b052e97dfddc27909e0b5323aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe
2644	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2320	03c78609c3517841238daa5d6abf5dcb8291b79b052e97dfddc27909e0b5323aN.exe
2320	03c78609c3517841238daa5d6abf5dcb8291b79b052e97dfddc27909e0b5323aN.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2644	svchost.exe
2644	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2788	2644	svchost.exe	31
PID 2644 wrote to memory of 2788	2644	svchost.exe	31
PID 2644 wrote to memory of 2788	2644	svchost.exe	31
PID 2644 wrote to memory of 2788	2644	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\03c78609c3517841238daa5d6abf5dcb8291b79b052e97dfddc27909e0b5323aN.exe
"C:\Users\Admin\AppData\Local\Temp\03c78609c3517841238daa5d6abf5dcb8291b79b052e97dfddc27909e0b5323aN.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
PID:2320

C:\Windows\syswow64\svchost.exe
"C:\Windows\syswow64\svchost.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\ctfmon.exe
  ctfmon.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1216-6-0x0000000077100000-0x00000000772A9000-memory.dmp

Filesize
1.7MB

Download
memory/1216-7-0x0000000002D30000-0x0000000002D37000-memory.dmp

Filesize
28KB

Download
memory/2320-0-0x0000000000470000-0x0000000000474000-memory.dmp

Filesize
16KB

Download
memory/2320-3-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2320-2-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2320-4-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/2320-5-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2644-8-0x0000000000080000-0x0000000000087000-memory.dmp

Filesize
28KB

Download
memory/2644-11-0x0000000000080000-0x0000000000087000-memory.dmp

Filesize
28KB

Download
memory/2644-14-0x0000000000080000-0x0000000000087000-memory.dmp

Filesize
28KB

Download