a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e

General

Target

a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe
Size

225KB
MD5

35ba7b697773c931aa118e535af9ac0a
SHA1

267193abaaf22e04c8ecf59d983c54da75a1dd6c
SHA256

a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e
SHA512

887e7f263af4f3e5acb1d1c1134ce2f3754cbfb07b3553589707a5b901ddfc99622e192a9093bafe33f01773768e15218aec2389e58b93a8a8b47667900fc548
SSDEEP

6144:nA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:nATuTAnKGwUAW3ycQqgf

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
2608	2900	WerFault.exe	102
3724	676	WerFault.exe	82

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	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.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
676	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe
676	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2900	winver.exe
676	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 676 wrote to memory of 2900	676	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe	102
PID 676 wrote to memory of 2900	676	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe	102
PID 676 wrote to memory of 2900	676	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe	102
PID 676 wrote to memory of 2900	676	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe	102
PID 2900 wrote to memory of 3520	2900	winver.exe	56
PID 676 wrote to memory of 3520	676	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe	56
PID 676 wrote to memory of 2544	676	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe
  "C:\Users\Admin\AppData\Local\Temp\a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:676
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2900
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 300
      4⤵
      Program crash
      PID:2608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 676 -s 856
    3⤵
    - Program crash
    PID:3724

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2900 -ip 2900
1⤵
PID:1708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 676 -ip 676
1⤵
PID:1688

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

Loading Replay Monitor...

Downloads

memory/676-16-0x0000000005AD0000-0x00000000064D0000-memory.dmp

Filesize
10.0MB

Download
memory/676-6-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/676-24-0x00000000045C0000-0x0000000004C18000-memory.dmp

Filesize
6.3MB

Download
memory/676-4-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/676-21-0x0000000005AD0000-0x00000000064D0000-memory.dmp

Filesize
10.0MB

Download
memory/676-5-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/676-7-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/676-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/676-3-0x00000000045C0000-0x0000000004C18000-memory.dmp

Filesize
6.3MB

Download
memory/676-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/676-8-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/676-1-0x00000000045C0000-0x0000000004C18000-memory.dmp

Filesize
6.3MB

Download
memory/2544-19-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2544-25-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3520-17-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3520-11-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3520-10-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing