df74181b5043f10c6a0b756bec1ae6a5ee92cab5380bf4d0f420ffd7bdbecb86

Analysis

max time kernel
77s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 01:39

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General

Target

CoreFoundation.dll
Size

1.6MB
MD5

f8e1afea1ff44a643d44bd2e7bfecfbb
SHA1

fa6adeb49947c490d29c1b61f2b03a4938373ee1
SHA256

9d8eb1314d91240641fad144472eb897aa3a95bbe9e59674c200a86012bb4a9b
SHA512

19633677b49e6eee8b8c28c13f95397a36bc2b50c7fe4764896eb420b1b6d45a467ad370ab3c003bec31bda329e429fad676f6f4d1e91dd84c2178a721ccca67
SSDEEP

24576:jPjJz/Ucgnz4AFKA5SMen/QeCeYx1yWQ3N2dLVa2pN7x9CrRIS:Jlg8pIS9uv4

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1964	1468	WerFault.exe	30

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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 1292 wrote to memory of 1468	1292	rundll32.exe	30
PID 1292 wrote to memory of 1468	1292	rundll32.exe	30
PID 1292 wrote to memory of 1468	1292	rundll32.exe	30
PID 1292 wrote to memory of 1468	1292	rundll32.exe	30
PID 1292 wrote to memory of 1468	1292	rundll32.exe	30
PID 1292 wrote to memory of 1468	1292	rundll32.exe	30
PID 1292 wrote to memory of 1468	1292	rundll32.exe	30
PID 1468 wrote to memory of 1964	1468	rundll32.exe	31
PID 1468 wrote to memory of 1964	1468	rundll32.exe	31
PID 1468 wrote to memory of 1964	1468	rundll32.exe	31
PID 1468 wrote to memory of 1964	1468	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CoreFoundation.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CoreFoundation.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1468
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 248
    3⤵
    - Program crash
    PID:1964

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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