613e2610f5d51ecd11ee5ff5d1ed32b331af678e4e5e64f2b2a544787a97cea7

Analysis

max time kernel
105s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-11-2024 23:39

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General

Target

Codecs/CoreAVC.dll
Size

372KB
MD5

7a03e8376a5650333ea9fd595ecd802c
SHA1

6b01321dd7a11de431805b497884db56f380d60a
SHA256

d1977f2c9125540639ff08226e88c413fd417190d3e076390d3a1f1c1a9e5ebf
SHA512

36b8c6cf606d187079bb54d20a13601ad231a3cad092691f4257abec1393c160973a926d5044083f1c18d959c7ed6ac6fc7a6c592fb91b762adb14da6fefe36d
SSDEEP

6144:FcVG5Sslel+3zTWCP+xBE5gKlEpIyUzvlvah1MTuAyZ81yhjtmGRf8UQjCgod:wG532+3zTWCP+TE5gy+Iy2NabKTyK1cb

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2316	regsvr32.exe

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	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2316	2512	regsvr32.exe	31
PID 2512 wrote to memory of 2316	2512	regsvr32.exe	31
PID 2512 wrote to memory of 2316	2512	regsvr32.exe	31
PID 2512 wrote to memory of 2316	2512	regsvr32.exe	31
PID 2512 wrote to memory of 2316	2512	regsvr32.exe	31
PID 2512 wrote to memory of 2316	2512	regsvr32.exe	31
PID 2512 wrote to memory of 2316	2512	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Codecs\CoreAVC.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Codecs\CoreAVC.dll
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2316

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

Replay Monitor

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Downloads

memory/2316-1-0x0000000000150000-0x0000000000153000-memory.dmp

Filesize
12KB

Download
memory/2316-0-0x0000000074470000-0x000000007465F000-memory.dmp

Filesize
1.9MB

Download
memory/2316-2-0x0000000074470000-0x000000007465F000-memory.dmp

Filesize
1.9MB

Download
memory/2316-6-0x0000000000150000-0x0000000000153000-memory.dmp

Filesize
12KB

Download