fc46d2f1ee0c658db2aa99663d211fbd04bfd5bffae328243065b42bbb1f2629

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
17-02-2025 15:52

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

b853d5d2361ade731e33e882707efc34
SHA1

c58b1aeabdf1cbb8334ef8797e7aceaa7a1cb6be
SHA256

f0cd96e0b6e40f92ad1aa0efacde833bae807b92fca19bf062c1cf8acf29484b
SHA512

8ea31d82ffa6f58dab5632fe72690d3a6db0be65aec85fc8a1f71626773c0974dcebefae17bcf67c4c56ef442545e985eea0b348ff6e4fc36740640092b08d69
SSDEEP

192:eA2HS+ihg200uWz947Wzvxu6v0MI7JOde+Ij5Z77dslFsEf:mS62Gw947ExuGDI7J8EF7KIE

Score

8^/10

discovery

Malware Config

Signatures

Downloads MZ/PE file 1 IoCs

flow	pid	Process
53	1876	Process not Found

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2952	1692	WerFault.exe	87

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4992	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 1692	4988	rundll32.exe	87
PID 4988 wrote to memory of 1692	4988	rundll32.exe	87
PID 4988 wrote to memory of 1692	4988	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 612
    3⤵
    - Program crash
    PID:2952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1692 -ip 1692
1⤵
PID:2056

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI5IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjE1Mzc0NzQwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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