f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 09:10

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General

Target

f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe
Size

225KB
MD5

74bbe7d46cc181dbb913e92b20037978
SHA1

53f19dde5637c51430aad1ae7694b18c3168011f
SHA256

f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403
SHA512

95bd4ceaa39e71673e99599ba9ad1b835fec6a1385cef5fd7e4d3b46641fed328e2fa06df8ec3f3f93597330c6fdfc030cda1670b7a5ec07e0fbc33d99f6bad6
SSDEEP

6144:LA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:LATuTAnKGwUAW3ycQqgf

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
4108	1764	WerFault.exe	104
4700	4248	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	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.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	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1764	winver.exe
4248	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 1764	4248	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe	104
PID 4248 wrote to memory of 1764	4248	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe	104
PID 4248 wrote to memory of 1764	4248	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe	104
PID 4248 wrote to memory of 1764	4248	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe	104
PID 1764 wrote to memory of 3444	1764	winver.exe	56
PID 4248 wrote to memory of 3444	4248	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe
  "C:\Users\Admin\AppData\Local\Temp\f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4248
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1764
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 300
      4⤵
      Program crash
      PID:4108
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 764
    3⤵
    - Program crash
    PID:4700

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1764 -ip 1764
1⤵
PID:2044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4248 -ip 4248
1⤵
PID:4772

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/3444-7-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3444-8-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3444-13-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/4248-1-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download
memory/4248-2-0x0000000003D00000-0x0000000003D01000-memory.dmp

Filesize
4KB

Download
memory/4248-3-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download
memory/4248-4-0x0000000003D00000-0x0000000003D01000-memory.dmp

Filesize
4KB

Download
memory/4248-5-0x0000000003D00000-0x0000000003D01000-memory.dmp

Filesize
4KB

Download
memory/4248-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4248-16-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download