f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22

General

Target

f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.exe
Size

225KB
MD5

8fbf8e7c13243482017f9ff706288cd0
SHA1

601bf3c3a7bd5e085d080e81c0f8c252f40ae11e
SHA256

f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22
SHA512

1e817c5c867359a789345aa95b59fb521064f3a011aadf12d7aa53ceda24ae4b6190ba0ce93ffac027e95a4fd2d8bc4c2f5d158f442abe32ae4975b1f49fa015
SSDEEP

6144:5A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:5ATuTAnKGwUAW3ycQqgf

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
2436	3112	WerFault.exe	106
2524	748	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.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
748	f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.exe
748	f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3112	winver.exe
748	f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3472	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 3112	748	f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.exe	106
PID 748 wrote to memory of 3112	748	f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.exe	106
PID 748 wrote to memory of 3112	748	f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.exe	106
PID 748 wrote to memory of 3112	748	f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.exe	106
PID 3112 wrote to memory of 3472	3112	winver.exe	56
PID 748 wrote to memory of 3472	748	f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.exe	56
PID 748 wrote to memory of 3048	748	f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3048

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3472
- C:\Users\Admin\AppData\Local\Temp\f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.exe
  "C:\Users\Admin\AppData\Local\Temp\f46bdb05c0ea6c94f93fdaf0675471067e167337d45eb4794616172c74fc0e22N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:748
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3112
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 300
      4⤵
      Program crash
      PID:2436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 972
    3⤵
    - Program crash
    PID:2524

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3112 -ip 3112
1⤵
PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 748 -ip 748
1⤵
PID:2448

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/748-1-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download
memory/748-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/748-3-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download
memory/748-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/748-11-0x00000000057F0000-0x00000000061F0000-memory.dmp

Filesize
10.0MB

Download
memory/748-15-0x00000000057F0000-0x00000000061F0000-memory.dmp

Filesize
10.0MB

Download
memory/748-19-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download
memory/3048-14-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download
memory/3048-20-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download
memory/3472-5-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

Filesize
24KB

Download
memory/3472-6-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

Filesize
24KB

Download
memory/3472-12-0x0000000002C00000-0x0000000002C06000-memory.dmp

Filesize
24KB

Download

Analysis

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