1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7

Analysis

max time kernel
106s
max time network
104s
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, 09:58

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General

Target

1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe
Size

610KB
MD5

633b90f99a429270a64d612ea65a217f
SHA1

abafa3a8857300e799ca8db7a72751e779fc38a1
SHA256

1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7
SHA512

58c748f1a6cc82166f61d7b34bc0ab2eea8d4009ff10a312a0eda1890d88cc97a264d2e982522768380d4779081952463b37b71ac85b27a73f7ad160d335ff8b
SSDEEP

12288:iATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:cT+KjUdQqboyyWoK1NGqzuhL

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
4172	3536	WerFault.exe	105
3004	5052	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	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.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
5052	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe
5052	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3536	winver.exe
5052	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 3536	5052	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	105
PID 5052 wrote to memory of 3536	5052	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	105
PID 5052 wrote to memory of 3536	5052	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	105
PID 5052 wrote to memory of 3536	5052	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	105
PID 3536 wrote to memory of 3488	3536	winver.exe	56
PID 5052 wrote to memory of 3488	5052	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	56
PID 5052 wrote to memory of 2696	5052	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2696

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe
  "C:\Users\Admin\AppData\Local\Temp\1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:5052
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3536
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 300
      4⤵
      Program crash
      PID:4172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 932
    3⤵
    - Program crash
    PID:3004

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3536 -ip 3536
1⤵
PID:3096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5052 -ip 5052
1⤵
PID:3696

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/2696-13-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/2696-19-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/3488-5-0x0000000002840000-0x0000000002846000-memory.dmp

Filesize
24KB

Download
memory/3488-6-0x0000000002840000-0x0000000002846000-memory.dmp

Filesize
24KB

Download
memory/3488-11-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/5052-1-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download
memory/5052-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/5052-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5052-10-0x0000000005A80000-0x0000000006480000-memory.dmp

Filesize
10.0MB

Download
memory/5052-16-0x0000000005A80000-0x0000000006480000-memory.dmp

Filesize
10.0MB

Download
memory/5052-18-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download