b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444

General

Target

b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe
Size

225KB
MD5

df0fa950b0fbabeb12813224ed1a8187
SHA1

23cd3abf04a4217ff56bf8d41bdc6326539fe95a
SHA256

b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444
SHA512

bcb82b140335396236d4b2eedf4c10ad4189f9a4df1250455370dbd0541b1544c967680efa35af1d055d498ebf6427f1b51c8fe62dfda00b480caa5a63cb4b0c
SSDEEP

6144:DA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:DATuTAnKGwUAW3ycQqgf

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
392	4840	WerFault.exe	102
3480	2340	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	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.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
2340	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe
2340	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.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
4840	winver.exe
2340	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 4840	2340	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe	102
PID 2340 wrote to memory of 4840	2340	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe	102
PID 2340 wrote to memory of 4840	2340	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe	102
PID 2340 wrote to memory of 4840	2340	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe	102
PID 4840 wrote to memory of 3488	4840	winver.exe	56
PID 2340 wrote to memory of 3488	2340	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe	56
PID 2340 wrote to memory of 2924	2340	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2924

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe
  "C:\Users\Admin\AppData\Local\Temp\b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4840
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 300
      4⤵
      Program crash
      PID:392
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 812
    3⤵
    - Program crash
    PID:3480

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4840 -ip 4840
1⤵
PID:452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2340 -ip 2340
1⤵
PID:4284

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/2340-15-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/2340-2-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/2340-3-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/2340-4-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/2340-5-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/2340-6-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/2340-7-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/2340-23-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/2340-19-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/2340-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2340-1-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/2924-18-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/2924-24-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/3488-16-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/3488-10-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/3488-9-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download

Analysis

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