b8dbc4a85d873a9afc758ede0610aa5baa3b897b8a6dbe244b8e973a79c17283

Analysis

max time kernel
119s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 12:57

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General

Target

b8dbc4a85d873a9afc758ede0610aa5baa3b897b8a6dbe244b8e973a79c17283N.exe
Size

225KB
MD5

8deb1870aebe706c0b07188a8ae96760
SHA1

57169ef9301f2782b3b9aa03679f1cc73595c089
SHA256

b8dbc4a85d873a9afc758ede0610aa5baa3b897b8a6dbe244b8e973a79c17283
SHA512

7a324da0421c73925df85dc245e2e80ead0aa007380f38405cd05b9138152445293c482a345e26348d9e11b31250c25e5dee2a67b8b545b4dd4d56842e5a86fe
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
2784	4448	WerFault.exe	93
4916	4980	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	b8dbc4a85d873a9afc758ede0610aa5baa3b897b8a6dbe244b8e973a79c17283N.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	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
4448	winver.exe
4980	b8dbc4a85d873a9afc758ede0610aa5baa3b897b8a6dbe244b8e973a79c17283N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 4448	4980	b8dbc4a85d873a9afc758ede0610aa5baa3b897b8a6dbe244b8e973a79c17283N.exe	93
PID 4980 wrote to memory of 4448	4980	b8dbc4a85d873a9afc758ede0610aa5baa3b897b8a6dbe244b8e973a79c17283N.exe	93
PID 4980 wrote to memory of 4448	4980	b8dbc4a85d873a9afc758ede0610aa5baa3b897b8a6dbe244b8e973a79c17283N.exe	93
PID 4980 wrote to memory of 4448	4980	b8dbc4a85d873a9afc758ede0610aa5baa3b897b8a6dbe244b8e973a79c17283N.exe	93
PID 4448 wrote to memory of 3508	4448	winver.exe	55
PID 4980 wrote to memory of 3508	4980	b8dbc4a85d873a9afc758ede0610aa5baa3b897b8a6dbe244b8e973a79c17283N.exe	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3508
- C:\Users\Admin\AppData\Local\Temp\b8dbc4a85d873a9afc758ede0610aa5baa3b897b8a6dbe244b8e973a79c17283N.exe
  "C:\Users\Admin\AppData\Local\Temp\b8dbc4a85d873a9afc758ede0610aa5baa3b897b8a6dbe244b8e973a79c17283N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4980
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 300
      4⤵
      Program crash
      PID:2784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 864
    3⤵
    - Program crash
    PID:4916

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4448 -ip 4448
1⤵
PID:2240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4980 -ip 4980
1⤵
PID:4936

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/3508-5-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/3508-6-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/3508-10-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/4980-1-0x0000000004670000-0x0000000004CC8000-memory.dmp

Filesize
6.3MB

Download
memory/4980-2-0x0000000003DD0000-0x0000000003DD1000-memory.dmp

Filesize
4KB

Download
memory/4980-3-0x0000000004670000-0x0000000004CC8000-memory.dmp

Filesize
6.3MB

Download
memory/4980-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4980-13-0x0000000004670000-0x0000000004CC8000-memory.dmp

Filesize
6.3MB

Download