36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7

General

Target

36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.exe
Size

610KB
MD5

f729e76bc74b8946d00ea94138767550
SHA1

a59181c49a97b091c549c9480d261629324be979
SHA256

36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7
SHA512

2ecc7a24cd378b2800e0ba077bebe7c7753df10bd2ef0338521988b358785fe6d4292f08d017fba6af45a77c87009470981f5d31dd3d6f035ed9a22d47c62a8a
SSDEEP

12288:XATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:dT+KjUdQqboyyWoK1NGqzuhj

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
4652	4404	WerFault.exe	93
4976	2568	WerFault.exe	81

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	36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.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
2568	36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.exe
2568	36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.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
4404	winver.exe
2568	36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 4404	2568	36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.exe	93
PID 2568 wrote to memory of 4404	2568	36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.exe	93
PID 2568 wrote to memory of 4404	2568	36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.exe	93
PID 2568 wrote to memory of 4404	2568	36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.exe	93
PID 4404 wrote to memory of 3488	4404	winver.exe	56
PID 2568 wrote to memory of 3488	2568	36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.exe	56
PID 2568 wrote to memory of 2552	2568	36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2552

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.exe
  "C:\Users\Admin\AppData\Local\Temp\36a79dfd72eb0ab5251f806b68e1696aac52a4e3bf3c9fed0b27cbb46a8b87f7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4404
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 300
      4⤵
      Program crash
      PID:4652
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 936
    3⤵
    - Program crash
    PID:4976

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4404 -ip 4404
1⤵
PID:472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2568 -ip 2568
1⤵
PID:1220

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/2552-18-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download
memory/2552-24-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download
memory/2568-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2568-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2568-1-0x00000000045C0000-0x0000000004C18000-memory.dmp

Filesize
6.3MB

Download
memory/2568-6-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2568-7-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2568-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2568-23-0x00000000045C0000-0x0000000004C18000-memory.dmp

Filesize
6.3MB

Download
memory/2568-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2568-20-0x0000000005AD0000-0x00000000064D0000-memory.dmp

Filesize
10.0MB

Download
memory/2568-16-0x0000000005AD0000-0x00000000064D0000-memory.dmp

Filesize
10.0MB

Download
memory/2568-3-0x00000000045C0000-0x0000000004C18000-memory.dmp

Filesize
6.3MB

Download
memory/3488-15-0x0000000001190000-0x0000000001196000-memory.dmp

Filesize
24KB

Download
memory/3488-10-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/3488-9-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download

Analysis

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