1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7

General

Target

1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe
Size

610KB
MD5

633b90f99a429270a64d612ea65a217f
SHA1

abafa3a8857300e799ca8db7a72751e779fc38a1
SHA256

1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7
SHA512

58c748f1a6cc82166f61d7b34bc0ab2eea8d4009ff10a312a0eda1890d88cc97a264d2e982522768380d4779081952463b37b71ac85b27a73f7ad160d335ff8b
SSDEEP

12288:iATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:cT+KjUdQqboyyWoK1NGqzuhL

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
1656	2856	WerFault.exe	101
4412	2648	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	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.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
2648	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe
2648	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2856	winver.exe
2648	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2856	2648	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	101
PID 2648 wrote to memory of 2856	2648	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	101
PID 2648 wrote to memory of 2856	2648	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	101
PID 2648 wrote to memory of 2856	2648	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	101
PID 2856 wrote to memory of 3396	2856	winver.exe	56
PID 2648 wrote to memory of 3396	2648	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	56
PID 2648 wrote to memory of 2804	2648	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2804

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3396
- C:\Users\Admin\AppData\Local\Temp\1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe
  "C:\Users\Admin\AppData\Local\Temp\1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2856
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 300
      4⤵
      Program crash
      PID:1656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 884
    3⤵
    - Program crash
    PID:4412

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:5032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2856 -ip 2856
1⤵
PID:4296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2648 -ip 2648
1⤵
PID:4332

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/2648-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-2-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2648-3-0x00000000045A0000-0x0000000004BF8000-memory.dmp

Filesize
6.3MB

Download
memory/2648-4-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2648-1-0x00000000045A0000-0x0000000004BF8000-memory.dmp

Filesize
6.3MB

Download
memory/2648-14-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/2648-18-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/2648-20-0x00000000045A0000-0x0000000004BF8000-memory.dmp

Filesize
6.3MB

Download
memory/2804-15-0x0000000000E50000-0x0000000000E56000-memory.dmp

Filesize
24KB

Download
memory/2804-21-0x0000000000E50000-0x0000000000E56000-memory.dmp

Filesize
24KB

Download
memory/3396-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/3396-7-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/3396-13-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download

Analysis

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