8f68569e961ef2fc68a80a65fad60a47cbf5cea8ba3ead52b8e391ed77691f5f

Analysis

max time kernel
111s
max time network
117s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14/08/2024, 18:19

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General

Target

4f5ac6a66f96ae6e6ee7e794305a4030N.exe
Size

576KB
MD5

4f5ac6a66f96ae6e6ee7e794305a4030
SHA1

c596e61e59652f1b178e9506c2a0b09cb2687d97
SHA256

8f68569e961ef2fc68a80a65fad60a47cbf5cea8ba3ead52b8e391ed77691f5f
SHA512

23b75b8f24a09190b151f6ba4e29592637c620a618a8a6f4e9bb221eec25344dbfbb030b245963b4de6a5de14a575a8e5cb878a1d67c4aeec0f391c3cac7e43e
SSDEEP

12288:2mWhND9yJz+b1FcMLmp2ATTSsdxmWhND9yJz+b1FcMLmpG:2mUNJyJqb1FcMap2ATT5rmUNJyJqb1Fl

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
2176	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2628	4f5ac6a66f96ae6e6ee7e794305a4030N.exe
2628	4f5ac6a66f96ae6e6ee7e794305a4030N.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\812479bd = "CŠDHñõÿD,ðœ\x15\u008f‡\x03ê× ×³ÐY\b\aÜ´«\x0eeÀ‰\x17¿O<œ\u00a0H×˜˜Àƒk\v¯\x13ï«8\u008fßÐ?‡gS"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\812479bd = "CŠDHñõÿD,ðœ\x15\u008f‡\x03ê× ×³ÐY\b\aÜ´«\x0eeÀ‰\x17¿O<œ\u00a0H×˜˜Àƒk\v¯\x13ï«8\u008fßÐ?‡gS"	4f5ac6a66f96ae6e6ee7e794305a4030N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\apppatch\svchost.exe	4f5ac6a66f96ae6e6ee7e794305a4030N.exe
File created	C:\Windows\apppatch\svchost.exe	4f5ac6a66f96ae6e6ee7e794305a4030N.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	4f5ac6a66f96ae6e6ee7e794305a4030N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2628	4f5ac6a66f96ae6e6ee7e794305a4030N.exe
2628	4f5ac6a66f96ae6e6ee7e794305a4030N.exe
2628	4f5ac6a66f96ae6e6ee7e794305a4030N.exe
2628	4f5ac6a66f96ae6e6ee7e794305a4030N.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2628	4f5ac6a66f96ae6e6ee7e794305a4030N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2176	2628	4f5ac6a66f96ae6e6ee7e794305a4030N.exe	31
PID 2628 wrote to memory of 2176	2628	4f5ac6a66f96ae6e6ee7e794305a4030N.exe	31
PID 2628 wrote to memory of 2176	2628	4f5ac6a66f96ae6e6ee7e794305a4030N.exe	31
PID 2628 wrote to memory of 2176	2628	4f5ac6a66f96ae6e6ee7e794305a4030N.exe	31

C:\Users\Admin\AppData\Local\Temp\4f5ac6a66f96ae6e6ee7e794305a4030N.exe
"C:\Users\Admin\AppData\Local\Temp\4f5ac6a66f96ae6e6ee7e794305a4030N.exe"
1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2628
- 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:2176

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

C:\Users\Admin\AppData\Local\Temp\E9CE.tmp

Filesize
481B

MD5
f31b58c555029b96b784d24db55e864b

SHA1
bc315b6163f2f09842f45b7360e893687dbab6c5

SHA256
915810f13e94ca93ee2cb16b4779dd05d85d1c0d904c0901027fde15a89284b9

SHA512
cadade17f7ddf13eb5f798156d59b714bc1226f30427fcca059a6e15d02dbdac13f3f8b4949b9e472d2daa987a817613b5499156d292976bb7b9ec771a78d859

Download Submit
\Windows\AppPatch\svchost.exe

Filesize
576KB

MD5
d3c3cd857303e51c28472336ef239e0d

SHA1
1b28d27acb547c44846ea1d129bf6aab99b44e86

SHA256
ed81110374b6773c12b269724f384a4ebd8d632f648f10042bc36f354c8d0b23

SHA512
aa6399edfb8284e0f7a955ddbe47c0897da7057d86f2704cfbe6f97319c136b8409b17c4085a3d91835933f23e9c9bce1660f38f38e4957984b38e1c3f48469e

Download Submit
memory/2176-14-0x0000000000320000-0x00000000003C8000-memory.dmp

Filesize
672KB

Download
memory/2176-16-0x0000000000320000-0x00000000003C8000-memory.dmp

Filesize
672KB

Download
memory/2176-25-0x0000000000320000-0x00000000003C8000-memory.dmp

Filesize
672KB

Download
memory/2176-20-0x0000000000320000-0x00000000003C8000-memory.dmp

Filesize
672KB

Download
memory/2176-18-0x0000000000320000-0x00000000003C8000-memory.dmp

Filesize
672KB

Download
memory/2176-22-0x0000000000320000-0x00000000003C8000-memory.dmp

Filesize
672KB

Download
memory/2176-30-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-28-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-26-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-39-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-62-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-77-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-76-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-74-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-73-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-71-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-70-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-68-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-67-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-65-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-63-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-61-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-60-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

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memory/2176-59-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-58-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-57-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-55-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-53-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-52-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-51-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-49-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-48-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-46-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-43-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-78-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-75-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-72-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-69-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-66-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-64-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-41-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-56-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-54-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-50-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-47-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-45-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-44-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-42-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-40-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-38-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-37-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-36-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-32-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-35-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-34-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-33-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2176-197-0x0000000002360000-0x0000000002416000-memory.dmp

Filesize
728KB

Download
memory/2628-12-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download