a3a264617e3ef583f7a8e9747ad08da7c5e831ee25eb597543512ae32ddf628c

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 01:49

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General

Target

VCRUNTIME140.dll
Size

84KB
MD5

ae96651cfbd18991d186a029cbecb30c
SHA1

18df8af1022b5cb188e3ee98ac5b4da24ac9c526
SHA256

1b372f064eacb455a0351863706e6326ca31b08e779a70de5de986b5be8069a1
SHA512

42a58c17f63cf0d404896d3b4bb16b2c9270cc2192aa4c9be265ed3970dfc2a4115e1db08f35c39e403b4c918be4ed7d19d2e2e015cb06b33d26a6c6521556e7
SSDEEP

1536:RPwKQRaeU5QsPWFP/wPENm2eK7oJnoUSgpAY8ODcDcm7cIs+4ecbV6iVBoA2r:RwKQRbU5P4XwPENm2eK7mnoUSgpAY8Oa

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2324	2312	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

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

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2312	2560	rundll32.exe	30
PID 2560 wrote to memory of 2312	2560	rundll32.exe	30
PID 2560 wrote to memory of 2312	2560	rundll32.exe	30
PID 2560 wrote to memory of 2312	2560	rundll32.exe	30
PID 2560 wrote to memory of 2312	2560	rundll32.exe	30
PID 2560 wrote to memory of 2312	2560	rundll32.exe	30
PID 2560 wrote to memory of 2312	2560	rundll32.exe	30
PID 2312 wrote to memory of 2324	2312	rundll32.exe	31
PID 2312 wrote to memory of 2324	2312	rundll32.exe	31
PID 2312 wrote to memory of 2324	2312	rundll32.exe	31
PID 2312 wrote to memory of 2324	2312	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\VCRUNTIME140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\VCRUNTIME140.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 220
    3⤵
    - Program crash
    PID:2324

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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