ca1c849035c31f8ca132aedfe93e4d3b32c18c90740c7626862b871ff7c249d9

Analysis

max time kernel
126s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 17:28

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General

Target

Codecs/drvc.dll
Size

260KB
MD5

e9ad4c6feede8ce70a1a21ed1dc0e2ad
SHA1

ec6b32969e43328a177456be63864d004d501fce
SHA256

ef8d7d81cb460db57f2e737ca0de3e0c6c06f78273e49a47b24f0a1eeaa2909f
SHA512

ccd0a54e989b882db33e932fd95d29922dcc3e8608f32beef5882182be0534d809f67ce4d54ac894165f51e237ad39402ca97cf05e933fdd3c01c4f6ae50643c
SSDEEP

6144:hsNg+cXo8ZJI54BxrFPpH5Dtf5DNWoEaeglljEz:hsNg+Qo8ZJPWoEillYz

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 3 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 1512	2992	rundll32.exe	90
PID 2992 wrote to memory of 1512	2992	rundll32.exe	90
PID 2992 wrote to memory of 1512	2992	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Codecs\drvc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Codecs\drvc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1512

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4048,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4468 /prefetch:8
1⤵
PID:964

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/1512-0-0x0000000060470000-0x00000000604B8000-memory.dmp

Filesize
288KB

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