43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 03:45

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General

Target

43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe
Size

237KB
MD5

69466e731fd2ba477db41d11e59c073d
SHA1

696da7333a67e32710415214d1ea985e73fbd481
SHA256

43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d
SHA512

6b2a33e01f97e400afa7b5d31f0b1e753b1516c0410e75a2d6f9f445b50ac059c17ed6e73b153a2e89cc764a9dbf6caa7fc7bd05b9e33317772a06c21ad722fd
SSDEEP

6144:FD8okEvTyoZVOgd2QZiw5NLclL5orfQHn:NsjCF2QZiOU+4n

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\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe,"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2652	43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe
2652	43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\62298b16 = "C:\\Windows\\apppatch\\svchost.exe"	43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\62298b16 = "C:\\Windows\\apppatch\\svchost.exe"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2788	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2652	43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2788	2652	43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe	30
PID 2652 wrote to memory of 2788	2652	43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe	30
PID 2652 wrote to memory of 2788	2652	43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe	30
PID 2652 wrote to memory of 2788	2652	43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe	30

C:\Users\Admin\AppData\Local\Temp\43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe
"C:\Users\Admin\AppData\Local\Temp\43e5c3433d77380bbbaf799e182389d289c80e0427332f18fced165221aa5c5d.exe"
1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  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

\Windows\AppPatch\svchost.exe

Filesize
237KB

MD5
00088a8d12181dd61aeeb88d4def7262

SHA1
216eb6a95e6508dfaee5e5895a5876d8fd458612

SHA256
736fb33bd053f855439aeb6d05b0b239c0a05591073baac229c336d3fbdfb951

SHA512
dca57dbc6e7e0b3554d4a506b396013d67cf6044eeb0ade49a03b827b00866e689fb766ddc3c9998b0090195ee75dface003e84d70f9987746cfae65dd8f6a70

Download Submit
memory/2652-0-0x0000000000290000-0x00000000002F5000-memory.dmp

Filesize
404KB

Download
memory/2652-1-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2652-17-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2652-16-0x0000000000290000-0x00000000002F5000-memory.dmp

Filesize
404KB

Download
memory/2788-82-0x0000000003E30000-0x0000000003E31000-memory.dmp

Filesize
4KB

Download
memory/2788-75-0x0000000003E00000-0x0000000003E01000-memory.dmp

Filesize
4KB

Download
memory/2788-22-0x00000000026D0000-0x000000000275C000-memory.dmp

Filesize
560KB

Download
memory/2788-28-0x00000000026D0000-0x000000000275C000-memory.dmp

Filesize
560KB

Download
memory/2788-31-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2788-30-0x00000000026D0000-0x000000000275C000-memory.dmp

Filesize
560KB

Download
memory/2788-26-0x00000000026D0000-0x000000000275C000-memory.dmp

Filesize
560KB

Download
memory/2788-25-0x00000000026D0000-0x000000000275C000-memory.dmp

Filesize
560KB

Download
memory/2788-20-0x00000000026D0000-0x000000000275C000-memory.dmp

Filesize
560KB

Download
memory/2788-32-0x00000000028A0000-0x000000000293B000-memory.dmp

Filesize
620KB

Download
memory/2788-34-0x00000000028A0000-0x000000000293B000-memory.dmp

Filesize
620KB

Download
memory/2788-36-0x00000000028A0000-0x000000000293B000-memory.dmp

Filesize
620KB

Download
memory/2788-46-0x0000000003220000-0x0000000003221000-memory.dmp

Filesize
4KB

Download
memory/2788-60-0x0000000003D90000-0x0000000003D91000-memory.dmp

Filesize
4KB

Download
memory/2788-85-0x0000000003E40000-0x0000000003E41000-memory.dmp

Filesize
4KB

Download
memory/2788-18-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2788-81-0x0000000003E20000-0x0000000003E21000-memory.dmp

Filesize
4KB

Download
memory/2788-79-0x0000000003E00000-0x0000000003E01000-memory.dmp

Filesize
4KB

Download
memory/2788-78-0x0000000003E10000-0x0000000003E11000-memory.dmp

Filesize
4KB

Download
memory/2788-19-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2788-74-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

Filesize
4KB

Download
memory/2788-72-0x0000000003DD0000-0x0000000003DD1000-memory.dmp

Filesize
4KB

Download
memory/2788-71-0x0000000003DE0000-0x0000000003DE1000-memory.dmp

Filesize
4KB

Download
memory/2788-68-0x0000000003DD0000-0x0000000003DD1000-memory.dmp

Filesize
4KB

Download
memory/2788-67-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/2788-65-0x0000000003DA0000-0x0000000003DA1000-memory.dmp

Filesize
4KB

Download
memory/2788-64-0x0000000003DB0000-0x0000000003DB1000-memory.dmp

Filesize
4KB

Download
memory/2788-58-0x0000000003D70000-0x0000000003D71000-memory.dmp

Filesize
4KB

Download
memory/2788-57-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/2788-54-0x0000000003D70000-0x0000000003D71000-memory.dmp

Filesize
4KB

Download
memory/2788-53-0x0000000003D60000-0x0000000003D61000-memory.dmp

Filesize
4KB

Download
memory/2788-51-0x0000000003D40000-0x0000000003D41000-memory.dmp

Filesize
4KB

Download
memory/2788-50-0x0000000003D50000-0x0000000003D51000-memory.dmp

Filesize
4KB

Download
memory/2788-47-0x0000000003D40000-0x0000000003D41000-memory.dmp

Filesize
4KB

Download
memory/2788-44-0x0000000002940000-0x0000000002941000-memory.dmp

Filesize
4KB

Download
memory/2788-43-0x0000000003210000-0x0000000003211000-memory.dmp

Filesize
4KB

Download
memory/2788-40-0x0000000002940000-0x0000000002941000-memory.dmp

Filesize
4KB

Download
memory/2788-42-0x0000000003210000-0x0000000003211000-memory.dmp

Filesize
4KB

Download