7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594

General

Target

7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.exe
Size

610KB
MD5

264356a261979be4969a431104a08750
SHA1

e9e8746f182d596e08b4a777a1e65d1de7ed134b
SHA256

7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594
SHA512

ee66e1a8ac5dfbd34e7fa980b5e778efe4a4dab5338d4e64239f90901c608b036c6449a6877a3a81ebb919def92980f23f254c1bc282bef38504fecb27eae0af
SSDEEP

12288:KATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:ET+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
1812	2756	WerFault.exe	103
1396	4448	WerFault.exe	83

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	7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.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
4448	7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.exe
4448	7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2756	winver.exe
4448	7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 2756	4448	7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.exe	103
PID 4448 wrote to memory of 2756	4448	7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.exe	103
PID 4448 wrote to memory of 2756	4448	7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.exe	103
PID 4448 wrote to memory of 2756	4448	7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.exe	103
PID 2756 wrote to memory of 3520	2756	winver.exe	56
PID 4448 wrote to memory of 3520	4448	7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.exe	56
PID 4448 wrote to memory of 2652	4448	7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.exe
  "C:\Users\Admin\AppData\Local\Temp\7f471c0cd36dd45b89b8efd823d396ae9fcce1b635a3d4c6f066c1129d045594N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4448
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2756
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 300
      4⤵
      Program crash
      PID:1812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 976
    3⤵
    - Program crash
    PID:1396

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2756 -ip 2756
1⤵
PID:2344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4448 -ip 4448
1⤵
PID:3804

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/2652-13-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/2652-19-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/3520-5-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3520-11-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/4448-1-0x0000000004530000-0x0000000004B88000-memory.dmp

Filesize
6.3MB

Download
memory/4448-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/4448-3-0x0000000004530000-0x0000000004B88000-memory.dmp

Filesize
6.3MB

Download
memory/4448-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4448-10-0x0000000005A80000-0x0000000006480000-memory.dmp

Filesize
10.0MB

Download
memory/4448-15-0x0000000005A80000-0x0000000006480000-memory.dmp

Filesize
10.0MB

Download
memory/4448-18-0x0000000004530000-0x0000000004B88000-memory.dmp

Filesize
6.3MB

Download

Analysis

Sharing