94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5

General

Target

94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe
Size

610KB
MD5

4a2b8ccd27ab418c9c2a51343c694e73
SHA1

0815d4e38248902d257305ca0c0108ef9c85dd05
SHA256

94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5
SHA512

931d7c875d1ab9aad25ef64b879d420bdfc926f6981f47a5c9a53f00ee9c0ce0b68cc36e1d120d3bf4be97a5fe5f60a357260938d03a254e2a4611f1f17992bc
SSDEEP

12288:JATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:LT+KjUdQqboyyWoK1NGqzuhx

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
1828	912	WerFault.exe	102
836	5072	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	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.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
5072	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe
5072	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
912	winver.exe
5072	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 912	5072	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe	102
PID 5072 wrote to memory of 912	5072	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe	102
PID 5072 wrote to memory of 912	5072	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe	102
PID 5072 wrote to memory of 912	5072	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe	102
PID 912 wrote to memory of 3380	912	winver.exe	56
PID 5072 wrote to memory of 3380	5072	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe	56
PID 5072 wrote to memory of 2844	5072	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2844

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3380
- C:\Users\Admin\AppData\Local\Temp\94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe
  "C:\Users\Admin\AppData\Local\Temp\94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:5072
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:912
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 912 -s 300
      4⤵
      Program crash
      PID:1828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 984
    3⤵
    - Program crash
    PID:836

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 912 -ip 912
1⤵
PID:964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5072 -ip 5072
1⤵
PID:4604

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/2844-13-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2844-19-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/3380-4-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3380-5-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3380-11-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/5072-1-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/5072-2-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/5072-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5072-12-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download
memory/5072-18-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/5072-14-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download

Analysis

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