761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8eba

Analysis

max time kernel
113s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2024 00:09

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General

Target

761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe
Size

225KB
MD5

ea76c3020b55cbd58170039d25375730
SHA1

ead8834110addff8df08f19cc844bdf105740ad0
SHA256

761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8eba
SHA512

ab25e3c6bf3d6d7cb796e5182208102c12183ef04b198b2a88b575ec2da30e881ef588d695cb7bca698634a42958c766c7b3c1a04aa793e35b83d121803fda87
SSDEEP

6144:5A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:5ATuTAnKGwUAW3ycQqgf

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
3148	4448	WerFault.exe	104
3936	1292	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	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.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	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4448	winver.exe
1292	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 4448	1292	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe	104
PID 1292 wrote to memory of 4448	1292	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe	104
PID 1292 wrote to memory of 4448	1292	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe	104
PID 1292 wrote to memory of 4448	1292	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe	104
PID 4448 wrote to memory of 3428	4448	winver.exe	56
PID 1292 wrote to memory of 3428	1292	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe
  "C:\Users\Admin\AppData\Local\Temp\761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1292
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 300
      4⤵
      Program crash
      PID:3148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 864
    3⤵
    - Program crash
    PID:3936

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4448 -ip 4448
1⤵
PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1292 -ip 1292
1⤵
PID:2680

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/1292-1-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download
memory/1292-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1292-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1292-13-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download
memory/3428-4-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3428-5-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3428-10-0x0000000001010000-0x0000000001016000-memory.dmp

Filesize
24KB

Download