6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6

General

Target

6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe
Size

225KB
MD5

5a2ee4c4ebad313cdc5ab130b46b34cd
SHA1

8dd7ebf1ed237ca6be86100760f09554eb72e8d7
SHA256

6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6
SHA512

cd8baa05b9c1ea988772bed9b91e1c206e43beb313262d16cd0e476694a3b7c7e553d5d34eafa5ab32b76b89a3088d5001c999fc167bf5d59784632c63ca39e8
SSDEEP

6144:QA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:QATuTAnKGwUAW3ycQqgl

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
2756	2072	WerFault.exe	103
848	4988	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	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.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
4988	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe
4988	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2072	winver.exe
4988	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 2072	4988	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	103
PID 4988 wrote to memory of 2072	4988	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	103
PID 4988 wrote to memory of 2072	4988	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	103
PID 4988 wrote to memory of 2072	4988	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	103
PID 2072 wrote to memory of 3436	2072	winver.exe	56
PID 4988 wrote to memory of 3436	4988	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	56
PID 4988 wrote to memory of 2972	4988	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2972

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe
  "C:\Users\Admin\AppData\Local\Temp\6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4988
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2072
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 300
      4⤵
      Program crash
      PID:2756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 952
    3⤵
    - Program crash
    PID:848

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2072 -ip 2072
1⤵
PID:2744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4988 -ip 4988
1⤵
PID:4296

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/2972-13-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/2972-19-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3436-5-0x0000000001090000-0x0000000001096000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x0000000001090000-0x0000000001096000-memory.dmp

Filesize
24KB

Download
memory/3436-11-0x0000000001130000-0x0000000001136000-memory.dmp

Filesize
24KB

Download
memory/4988-3-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download
memory/4988-2-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/4988-1-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download
memory/4988-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4988-12-0x0000000005AF0000-0x00000000064F0000-memory.dmp

Filesize
10.0MB

Download
memory/4988-15-0x0000000005AF0000-0x00000000064F0000-memory.dmp

Filesize
10.0MB

Download
memory/4988-18-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download

Analysis

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