36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb

General

Target

36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe
Size

610KB
MD5

5782257fd202a182135bcd1ebfce3f06
SHA1

0252200a35cf93f94b79ef878b9d7d10411614e2
SHA256

36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb
SHA512

4c11436b370d4d3e91ec6c0b270b89f4ae8c0bd3b7eef215ad75ef4dea715e02f1b455342867cac5ca3e1795d90c111882123af435f63d4fb4ebaa211d1a2e0d
SSDEEP

12288:NATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:3T+KjUdQqboyyWoK1NGqzuhb

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
1720	1004	WerFault.exe	104
1036	4988	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	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.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
4988	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe
4988	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3364	Explorer.EXE
Token: SeCreatePagefilePrivilege	3364	Explorer.EXE
Token: SeShutdownPrivilege	3364	Explorer.EXE
Token: SeCreatePagefilePrivilege	3364	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1004	winver.exe
4988	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 1004	4988	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe	104
PID 4988 wrote to memory of 1004	4988	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe	104
PID 4988 wrote to memory of 1004	4988	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe	104
PID 4988 wrote to memory of 1004	4988	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe	104
PID 1004 wrote to memory of 3364	1004	winver.exe	56
PID 4988 wrote to memory of 3364	4988	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe	56
PID 4988 wrote to memory of 2848	4988	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe	49

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2848

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3364
- C:\Users\Admin\AppData\Local\Temp\36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe
  "C:\Users\Admin\AppData\Local\Temp\36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4988
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1004
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 300
      4⤵
      Program crash
      PID:1720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 996
    3⤵
    - Program crash
    PID:1036

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1004 -ip 1004
1⤵
PID:636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4988 -ip 4988
1⤵
PID:2024

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/2848-14-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/2848-20-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3364-5-0x0000000001470000-0x0000000001476000-memory.dmp

Filesize
24KB

Download
memory/3364-6-0x0000000001470000-0x0000000001476000-memory.dmp

Filesize
24KB

Download
memory/3364-12-0x0000000001510000-0x0000000001516000-memory.dmp

Filesize
24KB

Download
memory/4988-1-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/4988-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/4988-3-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/4988-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4988-11-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/4988-15-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/4988-19-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download

Analysis

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