b5d324e0527b5516511e3ac8243d68b7eb253e56a9ca869c02a62874297ab6f5

Analysis

max time kernel
102s
max time network
22s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 16:20

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General

Target

To game folder/installscript_2000950.vdf
Size

1KB
MD5

0ddce2357225bf8f7203d42729e76778
SHA1

6948f4c55cd9d212a064e9fb487de39c38fef3dd
SHA256

cdd7f980d4b4a3f419473bf300d904a4be68eab2c45cc7fc3bce78a54524e7aa
SHA512

dad903af80c50639cf1a35cfabf1bd3b930656ae31cbfa593706ddae8f28f315c98dc0aef40c9d03822534fee6466bf164fa0cdc3568d4dc5ab2d4196e9cc283

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\vdf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.vdf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\vdf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\vdf_auto_file\shell\Read\command	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\vdf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.vdf\ = "vdf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\vdf_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\vdf_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 3000	2536	cmd.exe	30
PID 2536 wrote to memory of 3000	2536	cmd.exe	30
PID 2536 wrote to memory of 3000	2536	cmd.exe	30
PID 3000 wrote to memory of 2816	3000	rundll32.exe	31
PID 3000 wrote to memory of 2816	3000	rundll32.exe	31
PID 3000 wrote to memory of 2816	3000	rundll32.exe	31
PID 3000 wrote to memory of 2816	3000	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\To game folder\installscript_2000950.vdf"
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\To game folder\installscript_2000950.vdf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3000
- - 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\To game folder\installscript_2000950.vdf"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2816

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

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Downloads

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

Filesize
3KB

MD5
06efa615a4a1838b19813fb8ff459be8

SHA1
3b5c7c07b937e54f0594fb4b54905de8b1d9a315

SHA256
6c9fd5ee8e29849b121e3c53908d7aa815004491a59c93df74fac90f64acc00b

SHA512
0a02ac0773371217dfb70e156edc250dc77d8625de9732a271bf5000b6cefc9f75e54581c919fe200297932701bdeff2fdf4a3be5a929a35e2e981c78a53417b

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