fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3c

General

Target

fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.exe
Size

610KB
MD5

9e2d87c071dbe95777ffadd046376910
SHA1

d6fed227f47469053b58a7770ca1870cf35a4e87
SHA256

fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3c
SHA512

fd3612f72af503292d2ffa9c82794d9c6934c932dc52934ebef0bbcc5e274f846426d26a45b1096ceb062d028bcba1089ba22ec1851abd9932eb89ac406b9511
SSDEEP

12288:UATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:KT+KjUdQqboyyWoK1NGqzuhb

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
3820	4388	WerFault.exe	93
4228	4744	WerFault.exe	81

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	fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.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
4744	fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.exe
4744	fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4388	winver.exe
4744	fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 4388	4744	fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.exe	93
PID 4744 wrote to memory of 4388	4744	fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.exe	93
PID 4744 wrote to memory of 4388	4744	fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.exe	93
PID 4744 wrote to memory of 4388	4744	fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.exe	93
PID 4388 wrote to memory of 3420	4388	winver.exe	56
PID 4744 wrote to memory of 3420	4744	fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.exe	56
PID 4744 wrote to memory of 2500	4744	fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2500

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420
- C:\Users\Admin\AppData\Local\Temp\fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.exe
  "C:\Users\Admin\AppData\Local\Temp\fb9de12ef7e0c1265632a73972f86b2f180ac3425af72ce250e1f05faf11cd3cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4744
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4388
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 304
      4⤵
      Program crash
      PID:3820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 956
    3⤵
    - Program crash
    PID:4228

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4388 -ip 4388
1⤵
PID:2888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4744 -ip 4744
1⤵
PID:4412

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/2500-22-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/2500-16-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/3420-8-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3420-13-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3420-7-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/4744-4-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/4744-5-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/4744-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4744-1-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/4744-12-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/4744-3-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/4744-17-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/4744-21-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/4744-2-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download

Analysis

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