cc87aab59cd2f26c132a5534bee45ce1a7c63d37da884ca1cbc9a8544710d317

Resubmissions

03/07/2024, 15:38

240703-s26rnswhnh 10

03/07/2024, 15:33

240703-szn4vawfle 10

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
03/07/2024, 15:38

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General

Target

misc.pyc
Size

5KB
MD5

31aa260c6cdeaa9d942cd0dcfcadd16a
SHA1

a6818f3acf5c2ab9d65b41a81cb92b36b85cc932
SHA256

b522284f1a7e518c269c0414160407ec7834a4397f85ef389433b49367b5df9c
SHA512

0dd277ef948315a3554bd8c5110e27afa9b2eac88defc1211771c050cdd27b3668484dec35ec5c5010bff00b62c2cebd9e7286c0b114ad28437719b42bd0fc2c
SSDEEP

96:DSajAihmJG4n3B4SmSSSSlSSSShDwegPbbVxlj0nIAEDS5ejmw01k9Bddpq:eYAfn3ySmSSSSlSSSSeeOPVxx0nIAZeQ

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-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pyc_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2728	AcroRd32.exe
2728	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2824	2652	cmd.exe	29
PID 2652 wrote to memory of 2824	2652	cmd.exe	29
PID 2652 wrote to memory of 2824	2652	cmd.exe	29
PID 2824 wrote to memory of 2728	2824	rundll32.exe	30
PID 2824 wrote to memory of 2728	2824	rundll32.exe	30
PID 2824 wrote to memory of 2728	2824	rundll32.exe	30
PID 2824 wrote to memory of 2728	2824	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\misc.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\misc.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2824
- - 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\misc.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
35cc1a7bfeb23b6cc9f7596e54e9e178

SHA1
1af5fee466867dfd0545a1778cffea3291382f17

SHA256
bfc9bcf849a9509a06590b622efd1ffe1a421e6d6130a47eb80f0e9d1c7a4e55

SHA512
b3ba4168c1b60190c319d7af40550ff97480cd69deb77cc207b587510452f806f0bb23f2faffe894f8db6326d9fb4ad150ca5855c47495d69da24e3adc909dd6

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