25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac

General

Target

25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.exe
Size

610KB
MD5

9f82c75adfe64310c43bb80640e92b7b
SHA1

f7ede7030daa73ff5c43bf4b98507c838a9cfcc0
SHA256

25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac
SHA512

928cc88db7fb7ab1b8ebd3d4696492d24781d091675193a6fdf1a707153741dd4bae4469f955af67c6754b32db2aba3ff154d4b1435ecb0ef1d3996b69c94aae
SSDEEP

12288:fATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:lT+KjUdQqboyyWoK1NGqzuhJ

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
3572	3164	WerFault.exe	102
1904	2692	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	25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.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
2692	25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.exe
2692	25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3164	winver.exe
2692	25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 3164	2692	25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.exe	102
PID 2692 wrote to memory of 3164	2692	25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.exe	102
PID 2692 wrote to memory of 3164	2692	25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.exe	102
PID 2692 wrote to memory of 3164	2692	25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.exe	102
PID 3164 wrote to memory of 3544	3164	winver.exe	56
PID 2692 wrote to memory of 3544	2692	25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.exe	56
PID 2692 wrote to memory of 2540	2692	25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2540

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.exe
  "C:\Users\Admin\AppData\Local\Temp\25dd5cf7f5215db3fa348cf082023d9d4a6999ffd8023ec534285cc1d55a22ac.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3164
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 300
      4⤵
      Program crash
      PID:3572
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 980
    3⤵
    - Program crash
    PID:1904

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3164 -ip 3164
1⤵
PID:4204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2692 -ip 2692
1⤵
PID:4288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2540-16-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/2540-22-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/2692-12-0x0000000005AF0000-0x00000000064F0000-memory.dmp

Filesize
10.0MB

Download
memory/2692-4-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/2692-5-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/2692-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2692-1-0x00000000045E0000-0x0000000004C38000-memory.dmp

Filesize
6.3MB

Download
memory/2692-3-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/2692-17-0x0000000005AF0000-0x00000000064F0000-memory.dmp

Filesize
10.0MB

Download
memory/2692-21-0x00000000045E0000-0x0000000004C38000-memory.dmp

Filesize
6.3MB

Download
memory/2692-2-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/3544-7-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/3544-8-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/3544-13-0x0000000001160000-0x0000000001166000-memory.dmp

Filesize
24KB

Download

Analysis

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