6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6

Analysis

max time kernel
110s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2024, 07:11

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General

Target

6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe
Size

225KB
MD5

5a2ee4c4ebad313cdc5ab130b46b34cd
SHA1

8dd7ebf1ed237ca6be86100760f09554eb72e8d7
SHA256

6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6
SHA512

cd8baa05b9c1ea988772bed9b91e1c206e43beb313262d16cd0e476694a3b7c7e553d5d34eafa5ab32b76b89a3088d5001c999fc167bf5d59784632c63ca39e8
SSDEEP

6144:QA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:QATuTAnKGwUAW3ycQqgl

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2752	3180	WerFault.exe	95
5052	2520	WerFault.exe	83

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	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2520	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe
2520	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3180	winver.exe
2520	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 3180	2520	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	95
PID 2520 wrote to memory of 3180	2520	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	95
PID 2520 wrote to memory of 3180	2520	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	95
PID 2520 wrote to memory of 3180	2520	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	95
PID 3180 wrote to memory of 3500	3180	winver.exe	56
PID 2520 wrote to memory of 3500	2520	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	56
PID 2520 wrote to memory of 2788	2520	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2788

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe
  "C:\Users\Admin\AppData\Local\Temp\6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3180
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3180 -s 300
      4⤵
      Program crash
      PID:2752
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 996
    3⤵
    - Program crash
    PID:5052

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3180 -ip 3180
1⤵
PID:2708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2520 -ip 2520
1⤵
PID:1352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2520-1-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download
memory/2520-2-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2520-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2520-9-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/2520-14-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/2520-18-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download
memory/2788-13-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/2788-19-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/3500-4-0x0000000001350000-0x0000000001356000-memory.dmp

Filesize
24KB

Download
memory/3500-5-0x0000000001350000-0x0000000001356000-memory.dmp

Filesize
24KB

Download
memory/3500-10-0x0000000001390000-0x0000000001396000-memory.dmp

Filesize
24KB

Download