446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655

General

Target

446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.exe
Size

225KB
MD5

5d74b4d766fb3ae3a544929be2d93850
SHA1

6e02c7de81664c90b76a68ca3baaaaeaaed74a59
SHA256

446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655
SHA512

9815b19791e5beec65bc684568dcb7c661424c56dbd7ba8640d5ff09f0488f30580f3706456b43b7a871394d7ababb190828f79741daf119e6f3bb930c95880d
SSDEEP

6144:3A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:3ATuTAnKGwUAW3ycQqgf

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
4828	4892	WerFault.exe	94
4300	956	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	446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.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
956	446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.exe
956	446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4892	winver.exe
956	446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 4892	956	446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.exe	94
PID 956 wrote to memory of 4892	956	446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.exe	94
PID 956 wrote to memory of 4892	956	446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.exe	94
PID 956 wrote to memory of 4892	956	446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.exe	94
PID 4892 wrote to memory of 3488	4892	winver.exe	55
PID 956 wrote to memory of 3488	956	446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.exe	55
PID 956 wrote to memory of 2588	956	446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2588

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.exe
  "C:\Users\Admin\AppData\Local\Temp\446019f8ec1112c63004a426d44a26816a3a1eeea94761e79dc16cc8c622f655N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:956
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4892
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 300
      4⤵
      Program crash
      PID:4828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 856
    3⤵
    - Program crash
    PID:4300

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4892 -ip 4892
1⤵
PID:3524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 956 -ip 956
1⤵
PID:4276

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/956-1-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download
memory/956-2-0x0000000003D90000-0x0000000003D91000-memory.dmp

Filesize
4KB

Download
memory/956-3-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download
memory/956-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/956-10-0x0000000005A80000-0x0000000006480000-memory.dmp

Filesize
10.0MB

Download
memory/956-16-0x0000000005A80000-0x0000000006480000-memory.dmp

Filesize
10.0MB

Download
memory/956-19-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download
memory/2588-14-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

Filesize
24KB

Download
memory/2588-20-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

Filesize
24KB

Download
memory/3488-5-0x0000000000F50000-0x0000000000F56000-memory.dmp

Filesize
24KB

Download
memory/3488-6-0x0000000000F50000-0x0000000000F56000-memory.dmp

Filesize
24KB

Download
memory/3488-11-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download

Analysis

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