a24cbb57d7aece9c05337727bfa522aa3a78b807efeadeeca4fc139582e56447

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 21:49

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General

Target

Encrypt.dll
Size

68KB
MD5

618312332d11b514158373f5721f9326
SHA1

9096b552061eb6b853844f23080ef956902a10c2
SHA256

d162cf46914cd26dccd36c12ca5e7fe66a18b519e495901be222fed0bbbc46da
SHA512

810a9f70aafafa5ad4b2b6449ff8eab2ff79d4149e957317ee9a21ebd14e811fa02d9b5617a0bd32c41ee0e3d6406997b7364d647e0c0ce1ffb23343beb95124
SSDEEP

768:59MVMloL02y2aP8ny4X+RW5yBWVB+Tyy0QiNwMx5UaLh:59wMlygmX+RW5GWwyy01B5jV

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2420	2408	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 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2408 wrote to memory of 2420	2408	rundll32.exe	31
PID 2408 wrote to memory of 2420	2408	rundll32.exe	31
PID 2408 wrote to memory of 2420	2408	rundll32.exe	31
PID 2408 wrote to memory of 2420	2408	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Encrypt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Encrypt.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 224
    3⤵
    - Program crash
    PID:2420

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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