bc94d4814be919e507e812ff0b12a0f16d9a490c855b72ff7b8d4285bed16941

Analysis

max time kernel
134s
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
28/08/2024, 23:04

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General

Target
$PLUGINSDIR/System.dll
Size 11KB
Sample240828-218z3sshmn
SHA256 90f3cebb5b3759eb1bd72cee7cd8b694440ee398fe970b763db7a7b67208e4c8
MD5 8508fa0ab17e36e071687243283c2aef
SHA1 d45391d0454fbb9eb66fa72ecf0e2cadf0522bfe
SHA512 241cf26e57006402897d8adaff37f3006c1bdbb09d6c5d10c32d556996df5785dc81c35ccbbc74384f80853a3e4aea7be251a4fa2613be42108e11a00692df5a
SSDEEP 192:S9rQDenC9VrcK7REgSWOprANupQYLRszDDH/d9CWlXo7U6Wxf:SJQEaVAK7R9SfpjpQYLRszfH/d9CWB1j
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2364	4204	WerFault.exe	91

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 4040 wrote to memory of 4204	4040	rundll32.exe	91
PID 4040 wrote to memory of 4204	4040	rundll32.exe	91
PID 4040 wrote to memory of 4204	4040	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 612
    3⤵
    - Program crash
    PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4204 -ip 4204
1⤵
PID:3012

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=4440,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4056 /prefetch:8
1⤵
PID:1132

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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