6555b534d16a2d938b089dfd3b4878429298f1b328406a6e8ad65932221671d1

Analysis

max time kernel
140s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 07:34

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
msd32.dll
Size 277KB
Sample240825-jd7vdsvalp
SHA256 eae2854537c45f3ad2091f199afb723bef97049e4b8518d35f55d66ca4e41926
MD5 87cc08fa69a335e420c54bb8f07f3feb
SHA1 339f952b281bc503d6c0f740af6e99ba49a03a23
SHA512 3b23072ebbc30a938a5847b20087775b704b1f078c77bbebc2ccc5f866f53325fee05bb7f06f0f418188336d62092eb14d0088b5c6b7e560ba7e8c59b8f2773e
SSDEEP 6144:o8XUsRlr/I7PNHJ+zOJGp3ZuXkTPH/onoqNapX5aWGdCJ:vJyPeyE60THonoqApX9GdU
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2444-0-0x0000000010000000-0x00000000100D7000-memory.dmp	upx
behavioral2/memory/2444-2-0x0000000010000000-0x00000000100D7000-memory.dmp	upx

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 SetWindowsHookEx 11 IoCs

pid	Process
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 2444	4764	rundll32.exe	91
PID 4764 wrote to memory of 2444	4764	rundll32.exe	91
PID 4764 wrote to memory of 2444	4764	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msd32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\msd32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2444

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=1296,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=4296 /prefetch:8
1⤵
PID:2576

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

Loading Replay Monitor...

Downloads

memory/2444-0-0x0000000010000000-0x00000000100D7000-memory.dmp

Download

memory/2444-2-0x0000000010000000-0x00000000100D7000-memory.dmp