f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 06:12

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General

Target

f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe
Size

3.6MB
MD5

406ab0810d40f1b6811b828c04b84641
SHA1

94e6aebae7b5849b057c61a1a058d87e2843b34e
SHA256

f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20
SHA512

8ecf3da3ce3a0aa6e25f45296866af1dc39b18b2280183e60137d7ce58087e072d0e65a11bf5a82977506203da97e9cd0394127b0d7160c5eca7fc4dc957b2e1
SSDEEP

49152:z08OhxtUg9OUi82w6aQp9dgS1GUL38XhCOYc3iJXe9emEPGKOPkQThMYRMnm7LBX:z08vdsGaQNgS1C6e6ngKpq

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Runonce = "C:\\Windows\\system32\\runouce.exe"	f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\runouce.exe	f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe
File opened for modification	C:\Windows\SysWOW64\runouce.exe	f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.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	f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 600 wrote to memory of 1048	600	f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe	30
PID 600 wrote to memory of 1048	600	f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe	30
PID 600 wrote to memory of 1048	600	f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe	30
PID 600 wrote to memory of 1048	600	f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe	30
PID 600 wrote to memory of 1200	600	f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe	21
PID 600 wrote to memory of 1200	600	f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe
  "C:\Users\Admin\AppData\Local\Temp\f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:600
- - C:\Users\Admin\AppData\Local\Temp\f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe
    "C:\Users\Admin\AppData\Local\Temp\f81a8fcf6edc88564f35b6675f5f891d5947ae0d40e760d03f16a40ca5500b20.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

memory/600-0-0x00000000008F0000-0x0000000000C9D000-memory.dmp

Filesize
3.7MB

Download
memory/600-6-0x00000000021A0000-0x000000000254D000-memory.dmp

Filesize
3.7MB

Download
memory/600-8-0x00000000008F0000-0x0000000000C9D000-memory.dmp

Filesize
3.7MB

Download
memory/1048-7-0x00000000008F0000-0x0000000000C9D000-memory.dmp

Filesize
3.7MB

Download
memory/1200-4-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/1200-2-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads