cc9f84650c06ace1b66dffe71a61a34779b2b8ca9eb7fbcbf45da5aaba7a8abf

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
27-05-2024 00:13

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General

Target

main.pyc
Size

5KB
MD5

37029f065ef6f1d856cd3b7d76ff69a5
SHA1

50b4cc26cc84ee51c89ae1002124e00d50b87e66
SHA256

86eb5cadeda158a1d1956399bae8dfdafd5519515ad47afeea173fe83874b04d
SHA512

a20b566f1361c50f31703efde2a814c3424f74a68d555539e9940aed20487ff5be005fb0b12f24cd0ccf59e9e1cd46e2c11e59c901317f1d21bfe7ebac014d86
SSDEEP

96:omOKsn9Rov/7VfWLlCl7VZKl793tqxiWk7CfFubDfAlc36091MnpRBkU:om7sn9REWYxBk78y3RAn7GU

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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

1972 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

1972 AcroRd32.exe
1972 AcroRd32.exe

pid	process
1972	AcroRd32.exe

pid	process
1972	AcroRd32.exe
1972	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2132 wrote to memory of 2600	2132	cmd.exe	rundll32.exe
PID 2132 wrote to memory of 2600	2132	cmd.exe	rundll32.exe
PID 2132 wrote to memory of 2600	2132	cmd.exe	rundll32.exe
PID 2600 wrote to memory of 1972	2600	rundll32.exe	AcroRd32.exe
PID 2600 wrote to memory of 1972	2600	rundll32.exe	AcroRd32.exe
PID 2600 wrote to memory of 1972	2600	rundll32.exe	AcroRd32.exe
PID 2600 wrote to memory of 1972	2600	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:2132

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:2600

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:1972

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
2c58d0999e8d37a3870e99757d22eca2

SHA1
a984fd69bc6c1e3cf994b6ac55ab447ed668742c

SHA256
1c3556e746a6682a581ff04bfacbfcfabf40749a1342c3e90b9f7ef604041458

SHA512
6ac31110d35799e2a0f8957c6843c863f0bc2ce4cd60dbfd499ed7d5d069eb792432244276beb235a13d4ab21f83df98b4f29f7818f475ca78465fb1a6041df6

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