dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1

General

Target

dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.exe
Size

225KB
MD5

d1e29143b931fbf45235f031733f6660
SHA1

49e0bd256ca25194740b42f3a4cf5b9c91dffa39
SHA256

dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1
SHA512

0c16a05d6166d218481c5ac68c1c62df967c78ba81892f56e791fe848c052af3c0d576ba0d7b79704d5738e1a04600446cee47612bc9340d4d524527563bcb71
SSDEEP

6144:2A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:2ATuTAnKGwUAW3ycQqgf

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
4832	2132	WerFault.exe	103
2020	836	WerFault.exe	83

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	dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.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
836	dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.exe
836	dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2132	winver.exe
836	dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 2132	836	dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.exe	103
PID 836 wrote to memory of 2132	836	dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.exe	103
PID 836 wrote to memory of 2132	836	dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.exe	103
PID 836 wrote to memory of 2132	836	dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.exe	103
PID 2132 wrote to memory of 3508	2132	winver.exe	56
PID 836 wrote to memory of 3508	836	dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.exe	56
PID 836 wrote to memory of 2648	836	dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3508
- C:\Users\Admin\AppData\Local\Temp\dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.exe
  "C:\Users\Admin\AppData\Local\Temp\dfc2fc38156433351693047470b2f7b0d5b7834ff733c6e250443804677a6bc1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:836
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2132
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 300
      4⤵
      Program crash
      PID:4832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 836 -s 972
    3⤵
    - Program crash
    PID:2020

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2132 -ip 2132
1⤵
PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 836 -ip 836
1⤵
PID:4500

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/836-14-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/836-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/836-3-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/836-4-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download
memory/836-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/836-6-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/836-7-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/836-23-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download
memory/836-20-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/836-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/836-1-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download
memory/2648-18-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2648-24-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/3508-15-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3508-10-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3508-9-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download

Analysis

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