d184450c9edd6ff492bdd9840e02df5ba0e3c7ef0758c1d8620d133633b4af95

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
03-07-2024 00:15

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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

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_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-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2808 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2808 AcroRd32.exe
2808 AcroRd32.exe

pid	process
2808	AcroRd32.exe

pid	process
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2436 wrote to memory of 2640	2436	cmd.exe	rundll32.exe
PID 2436 wrote to memory of 2640	2436	cmd.exe	rundll32.exe
PID 2436 wrote to memory of 2640	2436	cmd.exe	rundll32.exe
PID 2640 wrote to memory of 2808	2640	rundll32.exe	AcroRd32.exe
PID 2640 wrote to memory of 2808	2640	rundll32.exe	AcroRd32.exe
PID 2640 wrote to memory of 2808	2640	rundll32.exe	AcroRd32.exe
PID 2640 wrote to memory of 2808	2640	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\misc.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2436

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:2640

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:2808

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
ec592b5680ff762cd159da2ba319836f

SHA1
b9d0cc663caba8dd82e86641be815b9c77d6a854

SHA256
ce7ca8889b71643e1f6000a6bf0ac1bbab0127b97feea93edfc08440fd838c07

SHA512
c68592e19d6cc7cb1d826ed7e77675295d09cbf2b3cea27674f9c1982db600fc70b2ab3ed26319928f64ffc74a94c255a659dcd76823b8398a43b2a9a6caf4a3

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