4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637

Analysis

max time kernel
112s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2024 22:35

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General

Target

4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe
Size

225KB
MD5

92081f637065eed880b0983f8748f380
SHA1

e82cde22f6fa96596111d6388aa0b85ce898eb64
SHA256

4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637
SHA512

4597026c8676db3f743070a3da7fac1d0001caf4522bef333f5b2fccfd1f4b3b22a324e7b725bdf4ce83b3c1262eb963d3016466f3ecd05ff0ae3d925d06f5a6
SSDEEP

6144:RA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:RATuTAnKGwUAW3ycQqgf

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
2144	4220	WerFault.exe	93
2280	3084	WerFault.exe	81

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	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.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 use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3572	Explorer.EXE
Token: SeCreatePagefilePrivilege	3572	Explorer.EXE
Token: SeShutdownPrivilege	3572	Explorer.EXE
Token: SeCreatePagefilePrivilege	3572	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4220	winver.exe
3084	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 4220	3084	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe	93
PID 3084 wrote to memory of 4220	3084	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe	93
PID 3084 wrote to memory of 4220	3084	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe	93
PID 3084 wrote to memory of 4220	3084	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe	93
PID 4220 wrote to memory of 3572	4220	winver.exe	56
PID 3084 wrote to memory of 3572	3084	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3572
- C:\Users\Admin\AppData\Local\Temp\4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe
  "C:\Users\Admin\AppData\Local\Temp\4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3084
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4220
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 300
      4⤵
      Program crash
      PID:2144
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 936
    3⤵
    - Program crash
    PID:2280

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4220 -ip 4220
1⤵
PID:3020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3084 -ip 3084
1⤵
PID:1500

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

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Downloads

memory/3084-1-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/3084-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/3084-3-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/3084-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3084-13-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/3572-5-0x0000000002360000-0x0000000002366000-memory.dmp

Filesize
24KB

Download
memory/3572-6-0x0000000002360000-0x0000000002366000-memory.dmp

Filesize
24KB

Download
memory/3572-10-0x00000000023A0000-0x00000000023A6000-memory.dmp

Filesize
24KB

Download