883a57a7b53afb49d36809c7cc1224a464730ab2d205207506c3b455fd59af76

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-05-2024 10:44

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General

Target

main.pyc
Size

236KB
MD5

b556c0ceb922f05fc2c7ae553c4e3e90
SHA1

1fdcd5200868bc4e7ad6fbb572093e89ba884221
SHA256

7b54bb942f54af4e9120aea53a65f18ba88b4a87eca5783715c3527ad9f3123b
SHA512

d50bfae40ff4ea0b2821e22fa08db2acb1871e046aa96594ca2993fd3711f0a208f41a19ccfedfca0bf0a44a4a6b5e0521ea753cc982767775a1646e007bcc53
SSDEEP

6144:+oKfcTTTTTJTTTJov4JOh6GF+qH+gfKOdx1cs9ZIs0E:+DcTTTTTJTTTJolfbEOdfcs9ZIs0E

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-1-5-21-330940541-141609230-1670313778-1000_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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2460 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2460 AcroRd32.exe
2460 AcroRd32.exe

pid	process
2460	AcroRd32.exe

pid	process
2460	AcroRd32.exe
2460	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1936 wrote to memory of 2528	1936	cmd.exe	rundll32.exe
PID 1936 wrote to memory of 2528	1936	cmd.exe	rundll32.exe
PID 1936 wrote to memory of 2528	1936	cmd.exe	rundll32.exe
PID 2528 wrote to memory of 2460	2528	rundll32.exe	AcroRd32.exe
PID 2528 wrote to memory of 2460	2528	rundll32.exe	AcroRd32.exe
PID 2528 wrote to memory of 2460	2528	rundll32.exe	AcroRd32.exe
PID 2528 wrote to memory of 2460	2528	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1936

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2528

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\main.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2460

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
64bd7484b30fefc408cc756a88265822

SHA1
36ed78ede8e06c60d82983843e7aeac627cc03e1

SHA256
f39c6920c68a7703023e1cf89a6898d5644189d65ffbc8aab2b82c91b240fe51

SHA512
520624a6ba493f8d590ac53963645b05dd1025fc08169fb473dd8726e05fdbcb4d5956a308365b2c7b9b930c2d3d1f0067447a879aa1d81f8ac8357150a389ab

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