f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5

General

Target

f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.exe
Size

225KB
MD5

4aaf8836715d0492339c677c9863b8a0
SHA1

20a823389c4ef4ab58e25650cf84cf6caaa5efc0
SHA256

f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5
SHA512

b1bd28d1324a9c101daf8f13b66c5bbb8bda26a0e94d45281fd28d6aca93f0c642de7015e91fce08b4d311e53b5849efcfadf7762a4c33ed1928670ca75724a5
SSDEEP

6144:hA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:hATuTAnKGwUAW3ycQqgf

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
836	916	WerFault.exe	102
4436	4804	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	f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.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
4804	f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.exe
4804	f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
916	winver.exe
4804	f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 916	4804	f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.exe	102
PID 4804 wrote to memory of 916	4804	f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.exe	102
PID 4804 wrote to memory of 916	4804	f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.exe	102
PID 4804 wrote to memory of 916	4804	f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.exe	102
PID 916 wrote to memory of 3556	916	winver.exe	56
PID 4804 wrote to memory of 3556	4804	f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.exe	56
PID 4804 wrote to memory of 2664	4804	f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2664

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3556
- C:\Users\Admin\AppData\Local\Temp\f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.exe
  "C:\Users\Admin\AppData\Local\Temp\f349e63ed2e2e1bc4a8b23b5c6e7df2f8167f167eea48e32e0db3f624a00bee5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4804
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:916
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 300
      4⤵
      Program crash
      PID:836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 932
    3⤵
    - Program crash
    PID:4436

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 916 -ip 916
1⤵
PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4804 -ip 4804
1⤵
PID:1228

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/2664-22-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/2664-16-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/3556-7-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/3556-14-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3556-8-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/4804-4-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/4804-5-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/4804-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4804-1-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/4804-13-0x0000000005AE0000-0x00000000064E0000-memory.dmp

Filesize
10.0MB

Download
memory/4804-3-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/4804-21-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/4804-17-0x0000000005AE0000-0x00000000064E0000-memory.dmp

Filesize
10.0MB

Download
memory/4804-2-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download

Analysis

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