bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2024, 15:00

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe
Size 237KB
Sample241030-sdqesaxldm
SHA256 bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670
MD5 07ec58f4bb7b3365dbda74d4cb40dd50
SHA1 7f0873db5d3d288c9b6b877be73a05493ccc8dc4
SHA512 9e4f4618648d136f380c634e287e8ef0d0daba3be9f6ff43e576d319260e9cb3d8cc585a4d0c26593673453d9e88ab97555f93cd5d39510b8a0d445ea4a9a840
SSDEEP 6144:MA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:MATuTAnKGwUAWVycQqgj
MD5 SHA1 SHA512 SSDEEP

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
4448	2932	WerFault.exe	105
2156	4520	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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4520	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe
4520	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2932	winver.exe
4520	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4520 wrote to memory of 2932	4520	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe	105
PID 4520 wrote to memory of 2932	4520	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe	105
PID 4520 wrote to memory of 2932	4520	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe	105
PID 4520 wrote to memory of 2932	4520	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe	105
PID 2932 wrote to memory of 3432	2932	winver.exe	56
PID 4520 wrote to memory of 3432	4520	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe	56
PID 4520 wrote to memory of 2852	4520	bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2852

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3432
- C:\Users\Admin\AppData\Local\Temp\bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe
  "C:\Users\Admin\AppData\Local\Temp\bb9c09c4bdd50ec948d70f6cef36d05a295b658d69562de4cee66265c6472670N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4520
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2932
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2932 -s 300
      4⤵
      Program crash
      PID:4448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 980
    3⤵
    - Program crash
    PID:2156

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2932 -ip 2932
1⤵
PID:4452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4520 -ip 4520
1⤵
PID:2244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2852-22-0x0000000000440000-0x0000000000446000-memory.dmp

Download

memory/2852-16-0x0000000000440000-0x0000000000446000-memory.dmp

Download

memory/3432-7-0x0000000000430000-0x0000000000436000-memory.dmp

Download

memory/3432-14-0x0000000000440000-0x0000000000446000-memory.dmp

Download

memory/3432-8-0x0000000000430000-0x0000000000436000-memory.dmp

Download

memory/4520-4-0x0000000004640000-0x0000000004C98000-memory.dmp

Download

memory/4520-5-0x00000000024A0000-0x00000000024A1000-memory.dmp

Download

memory/4520-9-0x0000000000400000-0x000000000043F000-memory.dmp

Download

memory/4520-1-0x0000000004640000-0x0000000004C98000-memory.dmp

Download

memory/4520-13-0x0000000005750000-0x0000000006150000-memory.dmp

Download

memory/4520-3-0x00000000024A0000-0x00000000024A1000-memory.dmp

Download

memory/4520-17-0x0000000005750000-0x0000000006150000-memory.dmp

Download

memory/4520-21-0x0000000004640000-0x0000000004C98000-memory.dmp

Download

memory/4520-2-0x00000000024A0000-0x00000000024A1000-memory.dmp

Download