b35430a03e555decc663134c40111d5c21c8fdc8bd07e9d8d2fe83bde94b1205

Analysis

max time kernel
116s
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
17-12-2024 22:45

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General

Target

b35430a03e555decc663134c40111d5c21c8fdc8bd07e9d8d2fe83bde94b1205N.exe
Size

610KB
MD5

9115af3367c099bef52de06898cee8b0
SHA1

b50f75a96c87ddd82e6de485c20d918c0ae617e7
SHA256

b35430a03e555decc663134c40111d5c21c8fdc8bd07e9d8d2fe83bde94b1205
SHA512

16143b9ef20b2f49676bbb4b7a60471a798b1934636861f91d5037fdd4e8b599c9bac35b7643ae2d2dbf865743c6b3b49e182819a4ce25e1d500b7c3c7529e07
SSDEEP

12288:NATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:3T+KjUdQqboyyWoK1NGqzuhh

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
1960	3460	WerFault.exe	103
2428	3556	WerFault.exe	82

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	b35430a03e555decc663134c40111d5c21c8fdc8bd07e9d8d2fe83bde94b1205N.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	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3460	winver.exe
3556	b35430a03e555decc663134c40111d5c21c8fdc8bd07e9d8d2fe83bde94b1205N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 3460	3556	b35430a03e555decc663134c40111d5c21c8fdc8bd07e9d8d2fe83bde94b1205N.exe	103
PID 3556 wrote to memory of 3460	3556	b35430a03e555decc663134c40111d5c21c8fdc8bd07e9d8d2fe83bde94b1205N.exe	103
PID 3556 wrote to memory of 3460	3556	b35430a03e555decc663134c40111d5c21c8fdc8bd07e9d8d2fe83bde94b1205N.exe	103
PID 3556 wrote to memory of 3460	3556	b35430a03e555decc663134c40111d5c21c8fdc8bd07e9d8d2fe83bde94b1205N.exe	103
PID 3460 wrote to memory of 3436	3460	winver.exe	56
PID 3556 wrote to memory of 3436	3556	b35430a03e555decc663134c40111d5c21c8fdc8bd07e9d8d2fe83bde94b1205N.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\b35430a03e555decc663134c40111d5c21c8fdc8bd07e9d8d2fe83bde94b1205N.exe
  "C:\Users\Admin\AppData\Local\Temp\b35430a03e555decc663134c40111d5c21c8fdc8bd07e9d8d2fe83bde94b1205N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3556
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3460
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 308
      4⤵
      Program crash
      PID:1960
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 808
    3⤵
    - Program crash
    PID:2428

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3460 -ip 3460
1⤵
PID:4380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3556 -ip 3556
1⤵
PID:5076

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

Replay Monitor

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Downloads

memory/3436-11-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3436-17-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/3436-12-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3556-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3556-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3556-6-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3556-7-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3556-8-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3556-9-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3556-1-0x00000000045B0000-0x0000000004C08000-memory.dmp

Filesize
6.3MB

Download
memory/3556-3-0x00000000045B0000-0x0000000004C08000-memory.dmp

Filesize
6.3MB

Download
memory/3556-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3556-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3556-20-0x00000000045B0000-0x0000000004C08000-memory.dmp

Filesize
6.3MB

Download