bc6612f74ffa0035fa08e062880dae1e38305c7c22fab3619b7c638e0cb66528

Analysis

max time kernel
119s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-11-2024 13:18

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General

Target

chrome_100_percent.pak
Size

124KB
MD5

acd0fa0a90b43cd1c87a55a991b4fac3
SHA1

17b84e8d24da12501105b87452f86bfa5f9b1b3c
SHA256

ccbca246b9a93fa8d4f01a01345e7537511c590e4a8efd5777b1596d10923b4b
SHA512

3e4c4f31c6c7950d5b886f6a8768077331a8f880d70b905cf7f35f74be204c63200ff4a88fa236abccc72ec0fc102c14f50dd277a30f814f35adfe5a7ae3b774
SSDEEP

3072:vlKzwqCT4wDNzIwL2o418Gb0+VRLf0ld0GY3cQ39Vm2I:vlKzwt4uEgK18Gb0OV8ld0GecQ3f2

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

Processes:

AcroRd32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe
Modifies registry class 1 IoCs

Processes:

rundll32.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings rundll32.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2696 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2696 AcroRd32.exe
2696 AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe

pid	process
2696	AcroRd32.exe

pid	process
2696	AcroRd32.exe
2696	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2980 wrote to memory of 2160	2980	cmd.exe	rundll32.exe
PID 2980 wrote to memory of 2160	2980	cmd.exe	rundll32.exe
PID 2980 wrote to memory of 2160	2980	cmd.exe	rundll32.exe
PID 2160 wrote to memory of 2696	2160	rundll32.exe	AcroRd32.exe
PID 2160 wrote to memory of 2696	2160	rundll32.exe	AcroRd32.exe
PID 2160 wrote to memory of 2696	2160	rundll32.exe	AcroRd32.exe
PID 2160 wrote to memory of 2696	2160	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\chrome_100_percent.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\chrome_100_percent.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2160
- - 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\chrome_100_percent.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2696

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

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Downloads

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

Filesize
3KB

MD5
6be5d5d2ac5079aec5b05efbd90edb8e

SHA1
3c6d4bc3bc9bcff2168617a65d2b0c73ab913fc4

SHA256
999323677dba5c66948d67ebaf5dbd5af4dc95407476c90d3cd605b678b646cc

SHA512
03f18dbe533ca5cf43884643f2bd8387e4e6b0181dcb9ccfbfa4035c26b3e36fc5e2c00956a696624a2a714b620fb760e34eb21e5a6a859bb74fc726ff018455

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