90de79a88b9f7b7b892cc047a6682574f12977529758e349ec853fcbd121908c

Analysis

max time kernel
108s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 11:23

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General

Target

90de79a88b9f7b7b892cc047a6682574f12977529758e349ec853fcbd121908cN.exe
Size

225KB
MD5

071a769fd3673b16fe24e690d9575f30
SHA1

0647807f871cd247b48fd608c43453757f7b300f
SHA256

90de79a88b9f7b7b892cc047a6682574f12977529758e349ec853fcbd121908c
SHA512

fd5ba693330c42a2eeaafcc226f962034cf282564091ed62d1438899415e7123f8c4cb38ba5c9dc7b8272179aa8e146e4004a77432c8dc35fb91e3d98c7e30a3
SSDEEP

6144:1A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:1ATuTAnKGwUAW3ycQqgf

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
1564	4900	WerFault.exe	103
4780	1284	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	90de79a88b9f7b7b892cc047a6682574f12977529758e349ec853fcbd121908cN.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	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4900	winver.exe
1284	90de79a88b9f7b7b892cc047a6682574f12977529758e349ec853fcbd121908cN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 4900	1284	90de79a88b9f7b7b892cc047a6682574f12977529758e349ec853fcbd121908cN.exe	103
PID 1284 wrote to memory of 4900	1284	90de79a88b9f7b7b892cc047a6682574f12977529758e349ec853fcbd121908cN.exe	103
PID 1284 wrote to memory of 4900	1284	90de79a88b9f7b7b892cc047a6682574f12977529758e349ec853fcbd121908cN.exe	103
PID 1284 wrote to memory of 4900	1284	90de79a88b9f7b7b892cc047a6682574f12977529758e349ec853fcbd121908cN.exe	103
PID 4900 wrote to memory of 3424	4900	winver.exe	56
PID 1284 wrote to memory of 3424	1284	90de79a88b9f7b7b892cc047a6682574f12977529758e349ec853fcbd121908cN.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\90de79a88b9f7b7b892cc047a6682574f12977529758e349ec853fcbd121908cN.exe
  "C:\Users\Admin\AppData\Local\Temp\90de79a88b9f7b7b892cc047a6682574f12977529758e349ec853fcbd121908cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1284
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4900
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 300
      4⤵
      Program crash
      PID:1564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 872
    3⤵
    - Program crash
    PID:4780

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4900 -ip 4900
1⤵
PID:3192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1284 -ip 1284
1⤵
PID:4420

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/1284-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1284-1-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/1284-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1284-3-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/1284-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1284-15-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/3424-6-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3424-7-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3424-12-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download