bbcc6444202f68e4154063fe28d7a5bd1dde6de140b7e80d707060bb7dbe1650

Analysis

max time kernel
160s
max time network
52s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
18/07/2023, 12:59

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General

Target

Among Us v2022.12.14i-Pivigames.blog/Among Us_Data/StreamingAssets/aa/Itch/StandaloneWindows/initialcosmetics_assets_all.bundle
Size

139.6MB
MD5

1ca68974e668f5a48df78ddaaddfdd87
SHA1

5156557f71330bcbdc221cd07862b3159dfab536
SHA256

3662c9df523e3bca0bfa26022f8f430b6b9b7398bd76c986b2e28de3b22b05f1
SHA512

5660bd8cc639f932cad3e964af80e7780ee7de0e29513fbf0bc6b12fdfd1d4804fcc44335b85766f2e486f62645c019a100ce43e0ee04cb43bc96e3b8b12d41a
SSDEEP

1572864:AaXdgQa1xzoVGaZJkF7nNVYpOeZ0AHBh05+3Is18yqChKylf:AudEUVnJkF7NVMqAHB+wIpyqChKq

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\bundle_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\.bundle	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\bundle_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\bundle_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\bundle_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\.bundle\ = "bundle_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\bundle_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\bundle_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2948	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2948	AcroRd32.exe
2948	AcroRd32.exe
2948	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2964	2528	cmd.exe	30
PID 2528 wrote to memory of 2964	2528	cmd.exe	30
PID 2528 wrote to memory of 2964	2528	cmd.exe	30
PID 2964 wrote to memory of 2948	2964	rundll32.exe	31
PID 2964 wrote to memory of 2948	2964	rundll32.exe	31
PID 2964 wrote to memory of 2948	2964	rundll32.exe	31
PID 2964 wrote to memory of 2948	2964	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Among Us v2022.12.14i-Pivigames.blog\Among Us_Data\StreamingAssets\aa\Itch\StandaloneWindows\initialcosmetics_assets_all.bundle"
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Among Us v2022.12.14i-Pivigames.blog\Among Us_Data\StreamingAssets\aa\Itch\StandaloneWindows\initialcosmetics_assets_all.bundle
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2964
- - 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\Among Us v2022.12.14i-Pivigames.blog\Among Us_Data\StreamingAssets\aa\Itch\StandaloneWindows\initialcosmetics_assets_all.bundle"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
080248502bc497a3777086d49215a08d

SHA1
4732e95436c45f98f77ee3e492d73f3eef2248c4

SHA256
493c8c471dc885f15418af1fdfb34bdbcee3fa512ed4457c8a9ebbf4a9c6d6ea

SHA512
4e2b3d05c87f5376851ede09eba1c532ce16afededc8650355718d3266934befbe297138cbc2bc3a1addbb07ffc777f2b5f3740f9388ae2795e1236ccb77e9f0

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