cd2d3fafb2711c69fba3e2b3ef02a335eee63fd88f2ec6c3dfdea305d37cfd92

Analysis

max time kernel
122s
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 00:45

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General

Target

main.pyc
Size

7KB
MD5

c563117c587e060a5835e07f13e9b0fc
SHA1

6be41e32365ed3842693b255bb07f42133218493
SHA256

dbc0fb0ba9d48665c089023d7acde68f5bfd8dce4b545b5367e0a1ee581a7d6c
SHA512

7c837fb49486c1f6b3731c948b989123686d70c2b38b636ee19d18aa558d5fe4f8c42626b28dfc88afe5391322160936d26fc9090c2da0feb0e293b63696fcf8
SSDEEP

192:wLPCRSD8wiWdXwQ235JhwaD7884CMdwDTJnw:KPCRvWuT2984CPZw

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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2580 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2580 AcroRd32.exe
2580 AcroRd32.exe

pid	process
2580	AcroRd32.exe

pid	process
2580	AcroRd32.exe
2580	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2856 wrote to memory of 2616	2856	cmd.exe	rundll32.exe
PID 2856 wrote to memory of 2616	2856	cmd.exe	rundll32.exe
PID 2856 wrote to memory of 2616	2856	cmd.exe	rundll32.exe
PID 2616 wrote to memory of 2580	2616	rundll32.exe	AcroRd32.exe
PID 2616 wrote to memory of 2580	2616	rundll32.exe	AcroRd32.exe
PID 2616 wrote to memory of 2580	2616	rundll32.exe	AcroRd32.exe
PID 2616 wrote to memory of 2580	2616	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:2856

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:2616

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:2580

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
498b9866feaacdbf55b3555c9fa7edb8

SHA1
ec6e5ece2d1360b68391ab8bb2a936c8d000bbf3

SHA256
b1e43c2169cca9d58df6c956e45f9ea8a41c5346f5f530cf1b925d9a6984b0b2

SHA512
c64ca7e38f644ec57da3c4f53eefc9d166be4f66e8a7b31c15be0b2892b4b1e279e351eb78c8b6cc35fdb2ce36b90b69cee0243e219140a6cdd40c3f25523acc

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