446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82

General

Target

446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe
Size

225KB
MD5

e52c5b9cd29286de1cd55b464a359f00
SHA1

fb7f9814cee8bdccf3e7bf1ca59ba8efda14d6f0
SHA256

446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82
SHA512

95996565d830bbab12b20bea3473bd1010bfa7cf250265c47923cfbb484c4a834171b02ae106478c5076d8aa1a3b8c223bd0c63266bb28e5d1cc63742426579b
SSDEEP

6144:6A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:6ATuTAnKGwUAW3ycQqgf

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
5072	5060	WerFault.exe	107
724	1584	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	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.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
1584	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe
1584	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5060	winver.exe
1584	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 5060	1584	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe	107
PID 1584 wrote to memory of 5060	1584	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe	107
PID 1584 wrote to memory of 5060	1584	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe	107
PID 1584 wrote to memory of 5060	1584	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe	107
PID 5060 wrote to memory of 3436	5060	winver.exe	56
PID 1584 wrote to memory of 3436	1584	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe	56
PID 1584 wrote to memory of 2616	1584	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe
  "C:\Users\Admin\AppData\Local\Temp\446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1584
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:5060
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 300
      4⤵
      Program crash
      PID:5072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 884
    3⤵
    - Program crash
    PID:724

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5060 -ip 5060
1⤵
PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1584 -ip 1584
1⤵
PID:2304

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/1584-1-0x00000000046C0000-0x0000000004D18000-memory.dmp

Filesize
6.3MB

Download
memory/1584-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/1584-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1584-10-0x00000000057D0000-0x00000000061D0000-memory.dmp

Filesize
10.0MB

Download
memory/1584-15-0x00000000057D0000-0x00000000061D0000-memory.dmp

Filesize
10.0MB

Download
memory/1584-18-0x00000000046C0000-0x0000000004D18000-memory.dmp

Filesize
6.3MB

Download
memory/2616-13-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2616-19-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3436-4-0x0000000000A90000-0x0000000000A96000-memory.dmp

Filesize
24KB

Download
memory/3436-5-0x0000000000A90000-0x0000000000A96000-memory.dmp

Filesize
24KB

Download
memory/3436-11-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download

Analysis

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