e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048

General

Target

e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe
Size

225KB
MD5

64cce70f18d6f1078e7df090ca199660
SHA1

b2c74c2e339f5ca5bd5833f55b7b2f019e4acdd5
SHA256

e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048
SHA512

d55139e2ead60312e6377ed52ee9a21a1e8310d7900337dff80740ed6b5fd897aa825982502a4de3c64c9ce7314163c81ed7585177a477e40a0f93ae25271836
SSDEEP

6144:8A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:8ATuTAnKGwUAW3ycQqgf

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
1268	2936	WerFault.exe	93
3592	844	WerFault.exe	80

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	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.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
844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe
844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2936	winver.exe
844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 2936	844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe	93
PID 844 wrote to memory of 2936	844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe	93
PID 844 wrote to memory of 2936	844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe	93
PID 844 wrote to memory of 2936	844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe	93
PID 2936 wrote to memory of 3524	2936	winver.exe	56
PID 844 wrote to memory of 3524	844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe	56
PID 844 wrote to memory of 2560	844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2560

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3524
- C:\Users\Admin\AppData\Local\Temp\e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe
  "C:\Users\Admin\AppData\Local\Temp\e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:844
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 300
      4⤵
      Program crash
      PID:1268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 812
    3⤵
    - Program crash
    PID:3592

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2936 -ip 2936
1⤵
PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 844 -ip 844
1⤵
PID:3904

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/844-12-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/844-17-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/844-3-0x0000000004560000-0x0000000004BB8000-memory.dmp

Filesize
6.3MB

Download
memory/844-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/844-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/844-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/844-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/844-1-0x0000000004560000-0x0000000004BB8000-memory.dmp

Filesize
6.3MB

Download
memory/844-21-0x0000000004560000-0x0000000004BB8000-memory.dmp

Filesize
6.3MB

Download
memory/2560-22-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/2560-16-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/3524-8-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download
memory/3524-13-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

Filesize
24KB

Download
memory/3524-7-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download

Analysis

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