72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98

General

Target

72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.exe
Size

610KB
MD5

94e857b7c01f0040a565d81718de2778
SHA1

913cf8baf7b0f4a8b6430569392fd6b8945d88d0
SHA256

72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98
SHA512

3ec647f06791ae5b89108a75f49ad6dd93586f9c90935b0fbb0b707eb3fcee1cbb0790fbbfe0faf612aed046ee621b955807a626d3666dfcc0b195e081282753
SSDEEP

12288:RATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:zT+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
904	760	WerFault.exe	93
1388	4212	WerFault.exe	81

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	72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.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
4212	72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.exe
4212	72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
760	winver.exe
4212	72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 760	4212	72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.exe	93
PID 4212 wrote to memory of 760	4212	72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.exe	93
PID 4212 wrote to memory of 760	4212	72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.exe	93
PID 4212 wrote to memory of 760	4212	72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.exe	93
PID 760 wrote to memory of 3536	760	winver.exe	56
PID 4212 wrote to memory of 3536	4212	72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.exe	56
PID 4212 wrote to memory of 2556	4212	72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2556

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.exe
  "C:\Users\Admin\AppData\Local\Temp\72389840deff57cdbaef2fbb91553db82b2590b0236cccf3602a2dc7d07d8b98.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4212
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:760
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 760 -s 300
      4⤵
      Program crash
      PID:904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4212 -s 132
    3⤵
    - Program crash
    PID:1388

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 760 -ip 760
1⤵
PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4212 -ip 4212
1⤵
PID:5008

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/2556-14-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/2556-20-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/3536-5-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/3536-6-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/3536-11-0x0000000001310000-0x0000000001316000-memory.dmp

Filesize
24KB

Download
memory/4212-1-0x00000000046C0000-0x0000000004D18000-memory.dmp

Filesize
6.3MB

Download
memory/4212-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/4212-3-0x00000000046C0000-0x0000000004D18000-memory.dmp

Filesize
6.3MB

Download
memory/4212-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4212-10-0x0000000005AD0000-0x00000000064D0000-memory.dmp

Filesize
10.0MB

Download
memory/4212-15-0x0000000005AD0000-0x00000000064D0000-memory.dmp

Filesize
10.0MB

Download
memory/4212-19-0x00000000046C0000-0x0000000004D18000-memory.dmp

Filesize
6.3MB

Download

Analysis

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