66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb

Analysis

max time kernel
137s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 00:44

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General

Target

66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe
Size

225KB
MD5

1b82cbc21c431ac2aeddcd4c8c803d22
SHA1

fd6c25e068d00f289a575b685a1bb7967ea71862
SHA256

66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb
SHA512

7a707faa6617bc48da07f7fdcfa19a3b7fb98b0c7af777e55dff8bfbce8dd29af1a454ed2b539a35c0dbd82fe84f6412727f1e6c127b7ac6c40ea237e3148d9f
SSDEEP

6144:jA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:jATuTAnKGwUAW3ycQqgf

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
2060	4672	WerFault.exe	102
3664	448	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.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	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4672	winver.exe
448	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 4672	448	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	102
PID 448 wrote to memory of 4672	448	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	102
PID 448 wrote to memory of 4672	448	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	102
PID 448 wrote to memory of 4672	448	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	102
PID 4672 wrote to memory of 3464	4672	winver.exe	56
PID 448 wrote to memory of 3464	448	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3464
- C:\Users\Admin\AppData\Local\Temp\66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe
  "C:\Users\Admin\AppData\Local\Temp\66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:448
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4672
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 300
      4⤵
      Program crash
      PID:2060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 764
    3⤵
    - Program crash
    PID:3664

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4672 -ip 4672
1⤵
PID:3912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 448 -ip 448
1⤵
PID:4812

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/448-1-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/448-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/448-6-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/448-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/448-13-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/3464-4-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/3464-5-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/3464-10-0x0000000000940000-0x0000000000946000-memory.dmp

Filesize
24KB

Download