55e4e0523e7435ce042bcc60c634e821250778918e13c5067c7524d8640f4e0b

Analysis

max time kernel
154s
max time network
35s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
12/07/2023, 02:56

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General

Target

Engine/Shaders/Binaries/SSAO.bin
Size

8KB
MD5

ba07b0320645e5e74a706eb4092f512b
SHA1

bc427682a57c5323080beaf85468ee66fdc2f807
SHA256

bbbe94870eb54e83d912f58016fc12e66cf51d15a96436f50546cc6ff1345445
SHA512

420e53ca74107914f248fed170e17d6911b3d1e152762252fe3ed0c27073962e95fb2ec7e9f779ad144bcd35a85014f15965a669195ed721667b6d049ab4a002
SSDEEP

192:Ua+28zKSU8vyXYUz7iT6FuEG0KrDOk+YLSNWW2jopGe1K:izKwvmbzTXG5rDOwNW2E8

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-1-5-21-2813141852-3076131560-4232376420-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000_CLASSES\bin_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
1416	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2112	3048	cmd.exe	30
PID 3048 wrote to memory of 2112	3048	cmd.exe	30
PID 3048 wrote to memory of 2112	3048	cmd.exe	30
PID 2112 wrote to memory of 1416	2112	rundll32.exe	31
PID 2112 wrote to memory of 1416	2112	rundll32.exe	31
PID 2112 wrote to memory of 1416	2112	rundll32.exe	31
PID 2112 wrote to memory of 1416	2112	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Engine\Shaders\Binaries\SSAO.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Engine\Shaders\Binaries\SSAO.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2112
- - 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\Engine\Shaders\Binaries\SSAO.bin"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1416

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

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

Filesize
3KB

MD5
427682dbc255b396ee4d1a99e8e18158

SHA1
11f98f7e564b61a2f906e20ec77655efce02da4d

SHA256
d4062ea0ed55e09f62709bf273feaf602ee8d15f27803af867ef260217a7382a

SHA512
a183b79811d8e13244713ae15f8387798cec34ecf3ba73ecc44b4d6a0b92c6c17ad93c5d8a368025372076773d0bf091d38aef0ded176e6c89a63aae7b9134a8

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