574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126a

Analysis

max time kernel
106s
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
02/12/2024, 09:33

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General

Target
574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.exe
Size 610KB
Sample241202-ljfdfavpcp
SHA256 574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126a
MD5 5816514a8e73e48139a47aae3b709e70
SHA1 3f3a7d70304a6f9c07f46d4aa11cd336b6d522b3
SHA512 3065b642e6ec026dc90791782092c8f888fe8d3e1ce6cb95d99918224316608d7c598c8b79a802b42a251265e6269899f395d1574ab06d3aa8894b259218cd6f
SSDEEP 12288:kATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:aT+KjUdQqboyyWoK1NGqzuhb
MD5 SHA1 SHA512 SSDEEP

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
2552	1516	WerFault.exe	93
2712	4664	WerFault.exe	81

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	574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.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
4664	574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.exe
4664	574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1516	winver.exe
4664	574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 1516	4664	574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.exe	93
PID 4664 wrote to memory of 1516	4664	574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.exe	93
PID 4664 wrote to memory of 1516	4664	574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.exe	93
PID 4664 wrote to memory of 1516	4664	574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.exe	93
PID 1516 wrote to memory of 3388	1516	winver.exe	56
PID 4664 wrote to memory of 3388	4664	574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.exe	56
PID 4664 wrote to memory of 2488	4664	574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2488

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3388
- C:\Users\Admin\AppData\Local\Temp\574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.exe
  "C:\Users\Admin\AppData\Local\Temp\574d0bd715b1179fab2aac85fc01cf3bdd79e0c9b1b7a3bb994483a008ee126aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4664
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1516
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 300
      4⤵
      Program crash
      PID:2552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 924
    3⤵
    - Program crash
    PID:2712

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1516 -ip 1516
1⤵
PID:2216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4664 -ip 4664
1⤵
PID:5056

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/2488-14-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

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memory/2488-20-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

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memory/3388-5-0x0000000001000000-0x0000000001006000-memory.dmp

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memory/3388-6-0x0000000001000000-0x0000000001006000-memory.dmp

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memory/3388-11-0x0000000001040000-0x0000000001046000-memory.dmp

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memory/4664-1-0x00000000047D0000-0x0000000004E28000-memory.dmp

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memory/4664-2-0x00000000024A0000-0x00000000024A1000-memory.dmp

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memory/4664-3-0x00000000047D0000-0x0000000004E28000-memory.dmp

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memory/4664-7-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4664-10-0x0000000005BE0000-0x00000000065E0000-memory.dmp

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memory/4664-15-0x0000000005BE0000-0x00000000065E0000-memory.dmp

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memory/4664-19-0x00000000047D0000-0x0000000004E28000-memory.dmp

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