03759d636ca1c9cbf8be0f0f72136b0489919520e2a1db76ce390be049e1530b

Analysis

max time kernel
138s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 19:14

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General

Target

03759d636ca1c9cbf8be0f0f72136b0489919520e2a1db76ce390be049e1530b.exe
Size

610KB
MD5

8a11eadd67a98e89e5c3e999e787dfe2
SHA1

2a13461956a496edf0250a17a68361f21ddde691
SHA256

03759d636ca1c9cbf8be0f0f72136b0489919520e2a1db76ce390be049e1530b
SHA512

0a3cc601cd4352269897b54bab9ee35ecdc7406a8aa49d4e4560b8b159c51e867f629fd2cf0c192d653d5201e0b25c2e28db9f561468244ddc9bcbcd692fd169
SSDEEP

12288:AATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:OT+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
3432	3196	WerFault.exe	93
4888	4952	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	03759d636ca1c9cbf8be0f0f72136b0489919520e2a1db76ce390be049e1530b.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	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3196	winver.exe
4952	03759d636ca1c9cbf8be0f0f72136b0489919520e2a1db76ce390be049e1530b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 3196	4952	03759d636ca1c9cbf8be0f0f72136b0489919520e2a1db76ce390be049e1530b.exe	93
PID 4952 wrote to memory of 3196	4952	03759d636ca1c9cbf8be0f0f72136b0489919520e2a1db76ce390be049e1530b.exe	93
PID 4952 wrote to memory of 3196	4952	03759d636ca1c9cbf8be0f0f72136b0489919520e2a1db76ce390be049e1530b.exe	93
PID 4952 wrote to memory of 3196	4952	03759d636ca1c9cbf8be0f0f72136b0489919520e2a1db76ce390be049e1530b.exe	93
PID 3196 wrote to memory of 3456	3196	winver.exe	56
PID 4952 wrote to memory of 3456	4952	03759d636ca1c9cbf8be0f0f72136b0489919520e2a1db76ce390be049e1530b.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\03759d636ca1c9cbf8be0f0f72136b0489919520e2a1db76ce390be049e1530b.exe
  "C:\Users\Admin\AppData\Local\Temp\03759d636ca1c9cbf8be0f0f72136b0489919520e2a1db76ce390be049e1530b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4952
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3196
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 300
      4⤵
      Program crash
      PID:3432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 876
    3⤵
    - Program crash
    PID:4888

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:64

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3196 -ip 3196
1⤵
PID:1700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4952 -ip 4952
1⤵
PID:2312

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/3456-4-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/3456-5-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/3456-9-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/4952-1-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/4952-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/4952-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4952-12-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download