e4b210caea4432928727e860786c36e5ef6ecacced4b00374a049342d4b62183

Analysis

max time kernel
92s
max time network
204s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/01/2025, 09:36

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General

Target

cpfe.dll
Size

4.9MB
MD5

eda3dbb0f36ecd094b7e11a8a3eba68f
SHA1

4ac9722cdf74dc609935c1e450e242aa5b2301da
SHA256

a57f3db4c4c489fc743960915dd4319c4d2e55046dab1813fbf3b2fe4e133ae5
SHA512

2e59fbee929a8452e201fab5661b6b46ed994b9c47405732062ab1719c41c5709b7c78f42ea764576194d9a72b23456de8ac2b5d5cb0aa7af89db4f5ecc3fd4a
SSDEEP

98304:RXvjpr5EwEbgUq1m7tXIbbEIrOnEYojXQi59+tqK6LGC/nN9ydiGfQ/Z35WBe8LO:p/N9ydQxp61LnnCIMZpgqO4+9

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
464	4916	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 4916	4968	rundll32.exe	82
PID 4968 wrote to memory of 4916	4968	rundll32.exe	82
PID 4968 wrote to memory of 4916	4968	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cpfe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cpfe.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 592
    3⤵
    - Program crash
    PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4916 -ip 4916
1⤵
PID:2760

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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