db70121ea015119862605e825812dd6c5039ba1e5a8bfd60904be7df6578f726

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 20:20

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General

Target

MOD.pyc
Size

108KB
MD5

a05f3694850662afda9f8ab514eb86d8
SHA1

36b4d9e61b72acc2f974e2c88b3577175efacd79
SHA256

1b7527cdf69e2a8737d1307e419eaace03cb58a7a277ac55e49214163285441c
SHA512

f29ebe01c500cad0a6d595e8cffb7a2625b785dd01b39bfac1ed504ee9de544c4f98ca91476cc5f3e75fbad5686fee5dd5b46b414e2b51b258048208685155b1
SSDEEP

1536:vLIEz50sNreT20s9Zljay5YLDyklsyH4gQVFuuE6dKqGlsXOqthWUBW3IIIwYlIy:UU0sNrOT1lNSF06eqthWSWYT+zVw

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pyc	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2456 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2456 AcroRd32.exe
2456 AcroRd32.exe

pid	process
2456	AcroRd32.exe

pid	process
2456	AcroRd32.exe
2456	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2436 wrote to memory of 2516	2436	cmd.exe	rundll32.exe
PID 2436 wrote to memory of 2516	2436	cmd.exe	rundll32.exe
PID 2436 wrote to memory of 2516	2436	cmd.exe	rundll32.exe
PID 2516 wrote to memory of 2456	2516	rundll32.exe	AcroRd32.exe
PID 2516 wrote to memory of 2456	2516	rundll32.exe	AcroRd32.exe
PID 2516 wrote to memory of 2456	2516	rundll32.exe	AcroRd32.exe
PID 2516 wrote to memory of 2456	2516	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MOD.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\MOD.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2516

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\MOD.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2456

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
1a65e381e91cba76f03d3f2f9deee603

SHA1
97e94aaa2fdc1f19c548b92366164e52b12939fe

SHA256
7c81372a7528719d072e239d939de66867c7a59262705ed3b9b8b760ce2e8b5f

SHA512
b0d1134706d9642b3b7c507a8cb7bc0b158c2b30d79b5b29a395e5b9a0db61c69fbf52c9626a324423217c850ea07374708125e3bd935861b70d81dfe5678e64

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