bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670

General

Target

bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe
Size

237KB
MD5

07ec58f4bb7b3365dbda74d4cb40dd50
SHA1

7f0873db5d3d288c9b6b877be73a05493ccc8dc4
SHA256

bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670
SHA512

9e4f4618648d136f380c634e287e8ef0d0daba3be9f6ff43e576d319260e9cb3d8cc585a4d0c26593673453d9e88ab97555f93cd5d39510b8a0d445ea4a9a840
SSDEEP

6144:MA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:MATuTAnKGwUAWVycQqgj

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
1692	4832	WerFault.exe	109
3016	2092	WerFault.exe	83

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	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.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

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4832	winver.exe
2092	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3508	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 4832	2092	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe	109
PID 2092 wrote to memory of 4832	2092	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe	109
PID 2092 wrote to memory of 4832	2092	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe	109
PID 2092 wrote to memory of 4832	2092	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe	109
PID 4832 wrote to memory of 3508	4832	winver.exe	56
PID 2092 wrote to memory of 3508	2092	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3508
- C:\Users\Admin\AppData\Local\Temp\bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe
  "C:\Users\Admin\AppData\Local\Temp\bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4832
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 300
      4⤵
      Program crash
      PID:1692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 756
    3⤵
    - Program crash
    PID:3016

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4832 -ip 4832
1⤵
PID:1604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2092 -ip 2092
1⤵
PID:2608

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/2092-1-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/2092-2-0x0000000003D10000-0x0000000003D11000-memory.dmp

Filesize
4KB

Download
memory/2092-3-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/2092-4-0x0000000003D10000-0x0000000003D11000-memory.dmp

Filesize
4KB

Download
memory/2092-5-0x0000000003D10000-0x0000000003D11000-memory.dmp

Filesize
4KB

Download
memory/2092-6-0x0000000003D10000-0x0000000003D11000-memory.dmp

Filesize
4KB

Download
memory/2092-10-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2092-16-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/3508-8-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/3508-9-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/3508-13-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download

Analysis

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