cfb3bfbb7191eb7f9d4819832c6aa87698bd4f6dde2ab42c933ad8515d161351

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 04:46

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General

Target

677856fb4a98bbdd8c5c8952113cb870N.exe
Size

237KB
MD5

677856fb4a98bbdd8c5c8952113cb870
SHA1

99da6c46bc8056365c678ec2d3091245e210f16d
SHA256

cfb3bfbb7191eb7f9d4819832c6aa87698bd4f6dde2ab42c933ad8515d161351
SHA512

bc32d412d68efec36cd66176a162333d21f0c29ea275388113b6039dcddc24a7dcffb0bc86f3cff192ea6be987499bfb4f6d54a2d881084c213c7e455ce7880b
SSDEEP

6144:fA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:fATuTAnKGwUAWVycQqgj

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
4772	8	WerFault.exe	99
3488	1652	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	677856fb4a98bbdd8c5c8952113cb870N.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	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
8	winver.exe
1652	677856fb4a98bbdd8c5c8952113cb870N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3388	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 8	1652	677856fb4a98bbdd8c5c8952113cb870N.exe	99
PID 1652 wrote to memory of 8	1652	677856fb4a98bbdd8c5c8952113cb870N.exe	99
PID 1652 wrote to memory of 8	1652	677856fb4a98bbdd8c5c8952113cb870N.exe	99
PID 1652 wrote to memory of 8	1652	677856fb4a98bbdd8c5c8952113cb870N.exe	99
PID 8 wrote to memory of 3388	8	winver.exe	55
PID 1652 wrote to memory of 3388	1652	677856fb4a98bbdd8c5c8952113cb870N.exe	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3388
- C:\Users\Admin\AppData\Local\Temp\677856fb4a98bbdd8c5c8952113cb870N.exe
  "C:\Users\Admin\AppData\Local\Temp\677856fb4a98bbdd8c5c8952113cb870N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:8
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 300
      4⤵
      Program crash
      PID:4772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 876
    3⤵
    - Program crash
    PID:3488

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 8 -ip 8
1⤵
PID:1060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1652 -ip 1652
1⤵
PID:3416

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

Replay Monitor

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Downloads

memory/1652-1-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download
memory/1652-2-0x0000000003D70000-0x0000000003D71000-memory.dmp

Filesize
4KB

Download
memory/1652-3-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download
memory/1652-4-0x0000000003D70000-0x0000000003D71000-memory.dmp

Filesize
4KB

Download
memory/1652-5-0x0000000003D70000-0x0000000003D71000-memory.dmp

Filesize
4KB

Download
memory/1652-9-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1652-16-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download
memory/3388-7-0x0000000002800000-0x0000000002806000-memory.dmp

Filesize
24KB

Download
memory/3388-8-0x0000000002800000-0x0000000002806000-memory.dmp

Filesize
24KB

Download
memory/3388-13-0x0000000002810000-0x0000000002816000-memory.dmp

Filesize
24KB

Download