df74181b5043f10c6a0b756bec1ae6a5ee92cab5380bf4d0f420ffd7bdbecb86

Analysis

max time kernel
121s
max time network
123s
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

concrt140.dll
Size

237KB
MD5

9ad549c121108b3b1408a30bee325d08
SHA1

898ffc728087861e619dababd8e65cc902276d06
SHA256

263975e4f5afc90e91f9f601080b92c9fbc5e471132f63ad01c6c4f99b33b83a
SHA512

9a9005acf2af86d6a0a95773e968d98e90b7e71e8e71d58949ff51aad49050dca57d94a19671b1b5026bd74e7b627f31d0c8a50bb66ab740d629022c3a95d579
SSDEEP

6144:aLy1UNAZHA2nSG5LbEcutDsSaqiOHYb836TLLOeHFQyS9uLms12z/NpJ9yne:2hkH0Yb83KLxmuLmdzoe

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2764	2708	WerFault.exe	31

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 2260 wrote to memory of 2708	2260	rundll32.exe	31
PID 2260 wrote to memory of 2708	2260	rundll32.exe	31
PID 2260 wrote to memory of 2708	2260	rundll32.exe	31
PID 2260 wrote to memory of 2708	2260	rundll32.exe	31
PID 2260 wrote to memory of 2708	2260	rundll32.exe	31
PID 2260 wrote to memory of 2708	2260	rundll32.exe	31
PID 2260 wrote to memory of 2708	2260	rundll32.exe	31
PID 2708 wrote to memory of 2764	2708	rundll32.exe	32
PID 2708 wrote to memory of 2764	2708	rundll32.exe	32
PID 2708 wrote to memory of 2764	2708	rundll32.exe	32
PID 2708 wrote to memory of 2764	2708	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\concrt140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\concrt140.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2708 -s 220
    3⤵
    - Program crash
    PID:2764

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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