ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0

Analysis

max time kernel
118s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2024 10:22

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General

Target

ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe
Size

225KB
MD5

dc5031389986045e9ea914bd87d83290
SHA1

186eab6cc83ad8c5d712de58591723abd8b66a58
SHA256

ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0
SHA512

01f44cc99b68b561c953aef9c06f1099f8e1f92fb4fa24484bba662ff5fd07935df1e59968cb45d47ea87197991ac41ffa655814754e7f1f49d3809fe1b0ddaf
SSDEEP

6144:4A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:4ATuTAnKGwUAW3ycQqgf

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
1652	3592	WerFault.exe	106
4992	3248	WerFault.exe	84

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	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.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 use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3592	winver.exe
3248	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3560	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 3592	3248	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe	106
PID 3248 wrote to memory of 3592	3248	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe	106
PID 3248 wrote to memory of 3592	3248	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe	106
PID 3248 wrote to memory of 3592	3248	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe	106
PID 3592 wrote to memory of 3560	3592	winver.exe	56
PID 3248 wrote to memory of 3560	3248	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3560
- C:\Users\Admin\AppData\Local\Temp\ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe
  "C:\Users\Admin\AppData\Local\Temp\ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3592
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 300
      4⤵
      Program crash
      PID:1652
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 852
    3⤵
    - Program crash
    PID:4992

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3592 -ip 3592
1⤵
PID:3568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3248 -ip 3248
1⤵
PID:1556

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/3248-1-0x0000000004680000-0x0000000004CD8000-memory.dmp

Filesize
6.3MB

Download
memory/3248-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/3248-3-0x0000000004680000-0x0000000004CD8000-memory.dmp

Filesize
6.3MB

Download
memory/3248-4-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/3248-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3248-14-0x0000000004680000-0x0000000004CD8000-memory.dmp

Filesize
6.3MB

Download
memory/3560-6-0x0000000001630000-0x0000000001636000-memory.dmp

Filesize
24KB

Download
memory/3560-7-0x0000000001630000-0x0000000001636000-memory.dmp

Filesize
24KB

Download
memory/3560-11-0x0000000001430000-0x0000000001436000-memory.dmp

Filesize
24KB

Download