eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1

General

Target

eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.exe
Size

225KB
MD5

9ad7a831c942439606c450dd8ff3b21d
SHA1

24bd33a0dfb372aaec2e8a4717e9fd25c070c44c
SHA256

eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1
SHA512

d0ff42ecce6f4faf5876bb6ac44e47ea45271b7c1eadb9e374debe2fedcbdc60c7c14a0a61e3fee77c744c33458e8d65a62f1694e633158f449cc1f3317c00cf
SSDEEP

6144:xA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:xATuTAnKGwUAW3ycQqgV

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
1908	4120	WerFault.exe	101
4608	2472	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	eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.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
2472	eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.exe
2472	eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4120	winver.exe
2472	eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 4120	2472	eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.exe	101
PID 2472 wrote to memory of 4120	2472	eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.exe	101
PID 2472 wrote to memory of 4120	2472	eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.exe	101
PID 2472 wrote to memory of 4120	2472	eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.exe	101
PID 4120 wrote to memory of 3444	4120	winver.exe	56
PID 2472 wrote to memory of 3444	2472	eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.exe	56
PID 2472 wrote to memory of 2608	2472	eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2608

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.exe
  "C:\Users\Admin\AppData\Local\Temp\eb7b5e9087bacd2c9c7574f3d6e6b36f3151af0a8d0522400a54f86818bf07d1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2472
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4120
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 300
      4⤵
      Program crash
      PID:1908
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 956
    3⤵
    - Program crash
    PID:4608

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4120 -ip 4120
1⤵
PID:1856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2472 -ip 2472
1⤵
PID:2304

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/2472-1-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download
memory/2472-2-0x0000000003D90000-0x0000000003D91000-memory.dmp

Filesize
4KB

Download
memory/2472-3-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download
memory/2472-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2472-10-0x0000000005A80000-0x0000000006480000-memory.dmp

Filesize
10.0MB

Download
memory/2472-16-0x0000000005A80000-0x0000000006480000-memory.dmp

Filesize
10.0MB

Download
memory/2472-19-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download
memory/2608-14-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2608-20-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3444-5-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3444-11-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download

Analysis

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