11f8bd1484d0adeed4997fc6b593e38f59ee365939924fd0fffc3ee92e0e73da

Analysis

max time kernel
152s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
18/12/2022, 18:06

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General

Target

Fluent-for-Steam-0.4.4.2fix/public/SteamInputControllerConnectedNotification.res
Size

2KB
MD5

ecb76bf00f29f7185d9c261e82ebff68
SHA1

afb15531579266ec37df8c37c62ec0102204c50b
SHA256

55b3c4901345b626311e8afbff593124adda016a5aef1e558c60f947e9766c33
SHA512

2731018d8ead03eea68118f370438f2b407aefe0bb3460f2dbc2e94affedf812785eb8203a5133b82e292548464ca58565b532082a80020441c4fd61890b48f8

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.res	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.res\ = "res_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\res_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\res_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\res_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\res_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\res_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\res_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 524	1228	cmd.exe	28
PID 1228 wrote to memory of 524	1228	cmd.exe	28
PID 1228 wrote to memory of 524	1228	cmd.exe	28
PID 524 wrote to memory of 1736	524	rundll32.exe	29
PID 524 wrote to memory of 1736	524	rundll32.exe	29
PID 524 wrote to memory of 1736	524	rundll32.exe	29
PID 524 wrote to memory of 1736	524	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Fluent-for-Steam-0.4.4.2fix\public\SteamInputControllerConnectedNotification.res
1⤵
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Fluent-for-Steam-0.4.4.2fix\public\SteamInputControllerConnectedNotification.res
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:524
- - 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\Fluent-for-Steam-0.4.4.2fix\public\SteamInputControllerConnectedNotification.res"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1736

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

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Downloads

memory/1228-54-0x000007FEFB631000-0x000007FEFB633000-memory.dmp

Filesize
8KB

Download
memory/1736-82-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download