e9b99706a9b48b09974dd18c1af8a0e402ccddcaa0c91edf43fdd838128a7408

Analysis

max time kernel
300s
max time network
245s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 02:14

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General

Target

30620.ex_.exe
Size

102KB
MD5

2b0d89587b59313e26ca8a5fb54db196
SHA1

7e171b08b1ce0b40de8bb6192e957d603deceb00
SHA256

e7fc8300fd164ec248ffde850e6cc73a9a010973828326f3f7ea57d828ee3199
SHA512

d89052e9a170b122cd4a218b060a12908a6e73debe63ac5c960c4d750b2861af19c27b7ba4eef2a77d543bfad10ea4b37f749348e8b13f7bb6849686bb5c4168
SSDEEP

768:iWXJzWpHKhNXP6rtm21qGyNhB0FlwR7YMBMzjdopFkkD8EDW1nDceWzaS3PvSVkI:7JzWp2NXS5m21SBpRnMzjdCkgcDcFz

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

reg.exereg.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\\\148.exe\" 89681039656"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\\\148.exe\" 89681039656"	reg.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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

Processes:

30620.ex_.execmd.exereg.execmd.exereg.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30620.ex_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of FindShellTrayWindow 64 IoCs

Processes:

30620.ex_.exe

pid	process
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe
2600	30620.ex_.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

30620.ex_.execmd.execmd.exe

description	pid	process	target process
PID 2600 wrote to memory of 2396	2600	30620.ex_.exe	cmd.exe
PID 2600 wrote to memory of 2396	2600	30620.ex_.exe	cmd.exe
PID 2600 wrote to memory of 2396	2600	30620.ex_.exe	cmd.exe
PID 2600 wrote to memory of 2396	2600	30620.ex_.exe	cmd.exe
PID 2600 wrote to memory of 2772	2600	30620.ex_.exe	cmd.exe
PID 2600 wrote to memory of 2772	2600	30620.ex_.exe	cmd.exe
PID 2600 wrote to memory of 2772	2600	30620.ex_.exe	cmd.exe
PID 2600 wrote to memory of 2772	2600	30620.ex_.exe	cmd.exe
PID 2396 wrote to memory of 2528	2396	cmd.exe	reg.exe
PID 2396 wrote to memory of 2528	2396	cmd.exe	reg.exe
PID 2396 wrote to memory of 2528	2396	cmd.exe	reg.exe
PID 2396 wrote to memory of 2528	2396	cmd.exe	reg.exe
PID 2772 wrote to memory of 2828	2772	cmd.exe	reg.exe
PID 2772 wrote to memory of 2828	2772	cmd.exe	reg.exe
PID 2772 wrote to memory of 2828	2772	cmd.exe	reg.exe
PID 2772 wrote to memory of 2828	2772	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\30620.ex_.exe
"C:\Users\Admin\AppData\Local\Temp\30620.ex_.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "userinit.exe","\"C:\\148.exe\" 89681039656" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "userinit.exe","\"C:\\148.exe\" 89681039656" /f
    3⤵
    - Modifies WinLogon for persistence
    - System Location Discovery: System Language Discovery
    PID:2528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "userinit.exe","\"C:\\148.exe\" 89681039656" /f /reg:64
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "userinit.exe","\"C:\\148.exe\" 89681039656" /f /reg:64
    3⤵
    - Modifies WinLogon for persistence
    - System Location Discovery: System Language Discovery
    PID:2828

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 Information Discovery

T1082

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/2600-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2600-2-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download