53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8

General

Target

53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.exe
Size

237KB
MD5

f0b2a451a3b7faafc99c9f63d0a4a010
SHA1

3463e18c3603b8d1f2a6ebb3bedebc8a33e224f1
SHA256

53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8
SHA512

39e00ee97cb258b93ba0d4a7ee6d0aeeed1a2ef76d630b2dbc61bda7a50809ba680cb2029ffc99ac6c7791eccd8b7d4952b942f82896ab19c5959dc389fe586f
SSDEEP

6144:TA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYA:TATuTAnKGwUAWVycQqgR

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
2132	1916	WerFault.exe	103
1688	3708	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	53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.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
3708	53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.exe
3708	53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.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
1916	winver.exe
3708	53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 1916	3708	53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.exe	103
PID 3708 wrote to memory of 1916	3708	53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.exe	103
PID 3708 wrote to memory of 1916	3708	53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.exe	103
PID 3708 wrote to memory of 1916	3708	53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.exe	103
PID 1916 wrote to memory of 3544	1916	winver.exe	56
PID 3708 wrote to memory of 3544	3708	53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.exe	56
PID 3708 wrote to memory of 2588	3708	53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2588

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.exe
  "C:\Users\Admin\AppData\Local\Temp\53666cd2d6f800f874f6ab3c7fcec7ba780dcd88c3ed0312d941e65bc4d267d8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3708
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1916
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 300
      4⤵
      Program crash
      PID:2132
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 1020
    3⤵
    - Program crash
    PID:1688

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1916 -ip 1916
1⤵
PID:2124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3708 -ip 3708
1⤵
PID:2536

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

Loading Replay Monitor...

Downloads

memory/2588-18-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/2588-24-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3544-10-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/3544-9-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/3544-16-0x0000000000C90000-0x0000000000C96000-memory.dmp

Filesize
24KB

Download
memory/3708-11-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/3708-7-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/3708-6-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/3708-1-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download
memory/3708-4-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/3708-5-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/3708-17-0x0000000005AC0000-0x00000000064C0000-memory.dmp

Filesize
10.0MB

Download
memory/3708-3-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download
memory/3708-19-0x0000000005AC0000-0x00000000064C0000-memory.dmp

Filesize
10.0MB

Download
memory/3708-23-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download
memory/3708-2-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing