18e4070da2cf9394ab213161933e536f2ed69cae8833b94b0f60a3619b37f89f

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 16:03

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General

Target

avcodec-51.dll
Size

4.5MB
MD5

0fc81f4d316b9012ef13737c37703ddc
SHA1

10ecfa6e23ba18410a399b5c7f43488783f57fbe
SHA256

470d0a15c146550e9084b78b230026a6cf8c7c59e8b44ddd4e2373b996595309
SHA512

cd394a0746a9dde6205a41cbdf0f63ae9cd3efe95e0fc93c65f1218cb720cff4c3136fdb30248a9665eddc240323d82856f090f9d07e80a0b65278ccf6825fdf
SSDEEP

98304:uFikUBFJ5FwBdaO3Gk6FGcUaHMkadd1nnps+Q5kZuZ9xAU00AclIqvlAky6hcMbq:uFikUBFJ5FwBdaO3Gk6FGcUaHMkadzwF

Score

3^/10

discovery

Malware Config

Signatures

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 7 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1888	1728	rundll32.exe	30
PID 1728 wrote to memory of 1888	1728	rundll32.exe	30
PID 1728 wrote to memory of 1888	1728	rundll32.exe	30
PID 1728 wrote to memory of 1888	1728	rundll32.exe	30
PID 1728 wrote to memory of 1888	1728	rundll32.exe	30
PID 1728 wrote to memory of 1888	1728	rundll32.exe	30
PID 1728 wrote to memory of 1888	1728	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\avcodec-51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\avcodec-51.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1888

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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