0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780

Analysis

max time kernel
150s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-10-2024 22:37

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General

Target

0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.exe
Size

149KB
MD5

a9e66ada276b6718fbe86f4a6a591240
SHA1

b3ad4ea56e030986e2eae3f203a43630ae135fba
SHA256

0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780
SHA512

6c333e24da51f884bf4cf79f1262c2a51caf5e19ff551ce5754be7664d68939ad6154bd2ac2801a6b7df759cd045089d1e6002028bf8d5c7cea3f3d7701531c9
SSDEEP

3072:okvr5pkOOUYjo0i2JdvIArAVMBWfvgfJYraeL/qHQl:rrHkFo2JxeMw3g42HQl

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
1776	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2516	0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.exe
2516	0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.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\75aebe2a = "C:\\Windows\\apppatch\\svchost.exe"	0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\75aebe2a = "C:\\Windows\\apppatch\\svchost.exe"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.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	0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe
1776	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2516	0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 1776	2516	0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.exe	30
PID 2516 wrote to memory of 1776	2516	0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.exe	30
PID 2516 wrote to memory of 1776	2516	0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.exe	30
PID 2516 wrote to memory of 1776	2516	0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.exe	30

C:\Users\Admin\AppData\Local\Temp\0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.exe
"C:\Users\Admin\AppData\Local\Temp\0689528a9dadc93a793a408ca3753075922a1100f925129815f630b33533c780N.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:2516
- 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:1776

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

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Downloads

\Windows\AppPatch\svchost.exe

Filesize
149KB

MD5
53033215e3ce5356459d690eeb0f2d8e

SHA1
e90c7d2dec0c6892ff60660dc7168d90ef391a5f

SHA256
f397afa239aed750353b157203be548a5dadebe204025924e023641160f1c586

SHA512
88bf2a1e4d8e6a84e80c1ff95f123bfcfd76a4c3f64caeb5bc01317644d9b2e5d9b3b6828d230a94808d993b872fd3e0fc54c4cfa0627f69a708f6865c5b3515

Download Submit
memory/1776-22-0x0000000000A70000-0x0000000000AB6000-memory.dmp

Filesize
280KB

Download
memory/1776-18-0x0000000000A70000-0x0000000000AB6000-memory.dmp

Filesize
280KB

Download
memory/1776-24-0x0000000000A70000-0x0000000000AB6000-memory.dmp

Filesize
280KB

Download
memory/1776-20-0x0000000000A70000-0x0000000000AB6000-memory.dmp

Filesize
280KB

Download
memory/1776-16-0x0000000000A70000-0x0000000000AB6000-memory.dmp

Filesize
280KB

Download
memory/1776-14-0x0000000000A70000-0x0000000000AB6000-memory.dmp

Filesize
280KB

Download
memory/1776-25-0x0000000000AC0000-0x0000000000B0A000-memory.dmp

Filesize
296KB

Download
memory/1776-28-0x0000000000AC0000-0x0000000000B0A000-memory.dmp

Filesize
296KB

Download
memory/1776-29-0x0000000000AC0000-0x0000000000B0A000-memory.dmp

Filesize
296KB

Download
memory/1776-33-0x0000000000AC0000-0x0000000000B0A000-memory.dmp

Filesize
296KB

Download
memory/1776-34-0x0000000000AC0000-0x0000000000B0A000-memory.dmp

Filesize
296KB

Download
memory/2516-13-0x0000000000F30000-0x0000000000F5F68C-memory.dmp

Filesize
189KB

Download