84ba766b1f292df812017d9c8549bd1026fbdd12b3eabe0e9ad491774f175ab8

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 18:33

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General

Target

DevCfg.dll
Size

111KB
MD5

20cb836b50c4276b5738ae7c12b36455
SHA1

e32c213aedaafecc1f02f7a95be556936771c97a
SHA256

d37212e6924cb04bfe444535bd68d1d7a19ac5c0d113a7e327a72c7e2a1f89bb
SHA512

f7b0c9e1a38f5390dfae53431f2fbc94357da5b027546cf151d76f5e624c9407240d179a8657ee41c875d75333ea57f4f0a16401d20068f719da06669ac6f997
SSDEEP

1536:MSFE5e8F/AS5t1npGSrxdJrBMRnpmQ/2ey5KHRTkAwAaZx8tSR3BFqCu:T+5e8F4it1nCRpmrgaZGtSR0

Score

5^/10

discovery

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\log\devcfg.log	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2804	2768	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

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 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2768 wrote to memory of 2804	2768	rundll32.exe	32
PID 2768 wrote to memory of 2804	2768	rundll32.exe	32
PID 2768 wrote to memory of 2804	2768	rundll32.exe	32
PID 2768 wrote to memory of 2804	2768	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\DevCfg.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\DevCfg.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 248
    3⤵
    - Program crash
    PID:2804

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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