b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115

Analysis

max time kernel
147s
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
01-12-2024 02:27

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General

Target

b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe
Size

225KB
MD5

643540995b4293f5c4c639b0eb1f028f
SHA1

3da6a2961a64f181485e9bd12c9c3c7e848616f2
SHA256

b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115
SHA512

5add8c93597edbeab83667dc612af0db0f11c49ef8b57b75540ce357c01f84ce4178890beb0ea374dd09192f6968c619e47e8b597b431d3a7c89f12e635182f5
SSDEEP

6144:bA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:bATuTAnKGwUAW3ycQqgf

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
1344	2856	WerFault.exe	103
3492	3284	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	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.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	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
2856	winver.exe
3284	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 2856	3284	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe	103
PID 3284 wrote to memory of 2856	3284	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe	103
PID 3284 wrote to memory of 2856	3284	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe	103
PID 3284 wrote to memory of 2856	3284	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe	103
PID 2856 wrote to memory of 3500	2856	winver.exe	56
PID 3284 wrote to memory of 3500	3284	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe
  "C:\Users\Admin\AppData\Local\Temp\b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3284
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2856
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 300
      4⤵
      Program crash
      PID:1344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3284 -s 904
    3⤵
    - Program crash
    PID:3492

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2856 -ip 2856
1⤵
PID:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 3284 -ip 3284
1⤵
PID:1264

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/3284-1-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/3284-2-0x0000000003D90000-0x0000000003D91000-memory.dmp

Filesize
4KB

Download
memory/3284-3-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/3284-4-0x0000000003D90000-0x0000000003D91000-memory.dmp

Filesize
4KB

Download
memory/3284-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3284-15-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/3500-6-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/3500-7-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/3500-12-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download