2d75bc310ccdfb81b7367a87d93b4539c1051512c294415ab8cd0e1b8c68792b

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 03:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

locales/vi.pak
Size

619KB
MD5

593d33203c539d027c5b5bcc13bb38c9
SHA1

2f6288bc43ddf31e49a733af97e3e9e2fb8a2940
SHA256

d435c4c7154c24982185842a09cacd343cea77a5eb7fb859c4d38973cf240a42
SHA512

7c41c74f7220270da242562b93db8db053c0a7b08fdc1864d063706caccbc6926f288ae6bff1de43af656af67fcf2d8ad57f53d791bbc47a3b29a6a0856a68e5
SSDEEP

12288:SP4t+cmwJlroEKaaFoGnXy0+xcPdH9+vUx5a8hZq94KiXJziMHo6wtuN:Sg+cmwJl7a3ni0+e35a8vq1iXliMI6wo

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pak_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.pak	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2688	AcroRd32.exe
2688	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 2820	1648	cmd.exe	31
PID 1648 wrote to memory of 2820	1648	cmd.exe	31
PID 1648 wrote to memory of 2820	1648	cmd.exe	31
PID 2820 wrote to memory of 2688	2820	rundll32.exe	32
PID 2820 wrote to memory of 2688	2820	rundll32.exe	32
PID 2820 wrote to memory of 2688	2820	rundll32.exe	32
PID 2820 wrote to memory of 2688	2820	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\vi.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\vi.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\locales\vi.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
84d2b4c34f92f461786804a1d88213bd

SHA1
04a535dc7f969a7ecce9fa959afbcd3040f0b991

SHA256
8eea004ebaa02a6be38c289a9648aede1ff13e9e752731ff1fad87bfafc30dba

SHA512
b22c5cae9daa03db7898440bc80fb40973f4a8cf1c0ff722ef0d61f694b1ea41856f82a1d14e849f86f74271ae7a8f76508334c6961d896ae224f24abbfdddf9

Download Submit