8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 23:33

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General

Target

8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe
Size

610KB
MD5

dd28f54f4ca6ef6fbb519732e19ad37c
SHA1

f55a0f1c74777d4b5290867ab636bfe9a5e64223
SHA256

8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c
SHA512

efa327dcc4f5e3af0ddbc52cff96e35cc25930cdf6d03e1b675358f9d55a2fdefb6799b8b3e6ec4e61f0611712b7b63836a0287d0e0c3e55cbf596600ff62e88
SSDEEP

12288:QATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:eT+KjUdQqboyyWoK1NGqzuhb

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
3728	3732	WerFault.exe	103
4720	4028	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	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.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	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3732	winver.exe
4028	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 3732	4028	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe	103
PID 4028 wrote to memory of 3732	4028	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe	103
PID 4028 wrote to memory of 3732	4028	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe	103
PID 4028 wrote to memory of 3732	4028	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe	103
PID 3732 wrote to memory of 3540	3732	winver.exe	56
PID 4028 wrote to memory of 3540	4028	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540
- C:\Users\Admin\AppData\Local\Temp\8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe
  "C:\Users\Admin\AppData\Local\Temp\8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4028
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3732
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 300
      4⤵
      Program crash
      PID:3728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 908
    3⤵
    - Program crash
    PID:4720

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3732 -ip 3732
1⤵
PID:1512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4028 -ip 4028
1⤵
PID:1468

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

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Downloads

memory/3540-5-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/3540-6-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/3540-11-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/4028-1-0x00000000045E0000-0x0000000004C38000-memory.dmp

Filesize
6.3MB

Download
memory/4028-2-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/4028-3-0x00000000045E0000-0x0000000004C38000-memory.dmp

Filesize
6.3MB

Download
memory/4028-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4028-14-0x00000000045E0000-0x0000000004C38000-memory.dmp

Filesize
6.3MB

Download