5617681d1813c09401be3128eb3004ef2f317bb1bd8ab56562351d91c911f809

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 11:25

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General

Target

updater_gui.pyc
Size

27KB
MD5

843265d9c998b8ba2f3a671500d42885
SHA1

89947c71026c5c73a4c4f24798db98b06470c2fd
SHA256

04ab0803741274b5ea3d8904e6fee42f3a88dc433b40c270f5679da9e6e6cc19
SHA512

eb2f8c36d8f8f5348a16ab9b1194b98022f836f876a264b618fe0098d3dd3b1e501c4b9a873abda5fb65047d09049814b7c65cdca94b83c9e8e6d47daf52bc9e
SSDEEP

768:ByIkWG01GeNC5a03jJ2CZT6Vt0scjcU66R:BoB1J7JMtXQdR

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-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_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-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2612 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2612 AcroRd32.exe
2612 AcroRd32.exe
2612 AcroRd32.exe

pid	process
2612	AcroRd32.exe

pid	process
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2860 wrote to memory of 2268	2860	cmd.exe	rundll32.exe
PID 2860 wrote to memory of 2268	2860	cmd.exe	rundll32.exe
PID 2860 wrote to memory of 2268	2860	cmd.exe	rundll32.exe
PID 2268 wrote to memory of 2612	2268	rundll32.exe	AcroRd32.exe
PID 2268 wrote to memory of 2612	2268	rundll32.exe	AcroRd32.exe
PID 2268 wrote to memory of 2612	2268	rundll32.exe	AcroRd32.exe
PID 2268 wrote to memory of 2612	2268	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\updater_gui.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2860

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\updater_gui.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2268

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\updater_gui.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2612

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
07e1b684cf75983af81bf395b02eab9b

SHA1
74bdb134de803a7f14ae660009eb16e244513a22

SHA256
6a6f3354743e17f09e679e5f57abaea8ad0b9394fc2ecf0c485f811e00fdf261

SHA512
529cd7472267e6693adea9cb175e52142eff0bb37c3622e4cb324251e3e3f67d2a0acac326da5928abced237bfb3db2a1aeee8609a5d41e3a539d8a2acbabee3

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