8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b

General

Target

8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe
Size

610KB
MD5

67407dfb3e0757544c9107c62bf74cac
SHA1

103a3db73dd37cdc2037caee7f9404d53bf9c56d
SHA256

8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b
SHA512

19d3c4116c9f427c118ebe8d31185fe9eedf593193fbc476aaad9d2e38bb85745ed637cd326f975622d07c2b2bc39aa65d9739a44dac9e058c30ee8a67d12f2d
SSDEEP

12288:LATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:JT+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
1888	656	WerFault.exe	102
4348	3268	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	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.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
3268	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe
3268	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
656	winver.exe
3268	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3268 wrote to memory of 656	3268	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe	102
PID 3268 wrote to memory of 656	3268	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe	102
PID 3268 wrote to memory of 656	3268	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe	102
PID 3268 wrote to memory of 656	3268	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe	102
PID 656 wrote to memory of 3464	656	winver.exe	56
PID 3268 wrote to memory of 3464	3268	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe	56
PID 3268 wrote to memory of 2764	3268	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2764

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3464
- C:\Users\Admin\AppData\Local\Temp\8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe
  "C:\Users\Admin\AppData\Local\Temp\8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3268
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:656
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 656 -s 300
      4⤵
      Program crash
      PID:1888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 1020
    3⤵
    - Program crash
    PID:4348

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 656 -ip 656
1⤵
PID:1648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 3268 -ip 3268
1⤵
PID:4960

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/2764-15-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/2764-21-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3268-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3268-1-0x00000000045C0000-0x0000000004C18000-memory.dmp

Filesize
6.3MB

Download
memory/3268-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3268-11-0x0000000005AD0000-0x00000000064D0000-memory.dmp

Filesize
10.0MB

Download
memory/3268-3-0x00000000045C0000-0x0000000004C18000-memory.dmp

Filesize
6.3MB

Download
memory/3268-16-0x0000000005AD0000-0x00000000064D0000-memory.dmp

Filesize
10.0MB

Download
memory/3268-20-0x00000000045C0000-0x0000000004C18000-memory.dmp

Filesize
6.3MB

Download
memory/3268-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3464-6-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3464-7-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3464-12-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download

Analysis

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