550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894

General

Target

550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.exe
Size

225KB
MD5

7c520c461022daf403380f0d145b757e
SHA1

2cd313c9b0127f2c381d019c4fa7c8fe185d2b73
SHA256

550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894
SHA512

2e400602a7ea5ba1dec6d573963a8924836b8aeaa1f5c2212662805cbabbc7ccbfa80c482d3a88208b8734783df052a81a63b042b425fe4d6dda52c4ae1eb92f
SSDEEP

6144:fA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:fATuTAnKGwUAW3ycQqgN

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
2356	4384	WerFault.exe	92
1868	3016	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	550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.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
3016	550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.exe
3016	550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.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
4384	winver.exe
3016	550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 4384	3016	550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.exe	92
PID 3016 wrote to memory of 4384	3016	550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.exe	92
PID 3016 wrote to memory of 4384	3016	550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.exe	92
PID 3016 wrote to memory of 4384	3016	550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.exe	92
PID 4384 wrote to memory of 3464	4384	winver.exe	56
PID 3016 wrote to memory of 3464	3016	550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.exe	56
PID 3016 wrote to memory of 2764	3016	550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.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\550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.exe
  "C:\Users\Admin\AppData\Local\Temp\550231a95a3c21df0dbb744dbc1aceae709f1d74f20433c401b6305b103c4894.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3016
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4384
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 300
      4⤵
      Program crash
      PID:2356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 888
    3⤵
    - Program crash
    PID:1868

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4384 -ip 4384
1⤵
PID:2124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3016 -ip 3016
1⤵
PID:1668

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/2764-19-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/2764-25-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3016-18-0x0000000005B70000-0x0000000006570000-memory.dmp

Filesize
10.0MB

Download
memory/3016-1-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/3016-5-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download
memory/3016-6-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download
memory/3016-7-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download
memory/3016-8-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download
memory/3016-2-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download
memory/3016-24-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/3016-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3016-20-0x0000000005B70000-0x0000000006570000-memory.dmp

Filesize
10.0MB

Download
memory/3016-4-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download
memory/3016-3-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/3464-17-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/3464-11-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3464-10-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing