2b77092e5cb4f0d889f98f312a856970bcbe151e152a05de7b1d591199bf1468

Analysis

max time kernel
117s
max time network
138s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/03/2024, 01:17

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General

Target

ACADEMY34-v0.19.3.4-win/lib/python2.7/chardet/euckrprober.pyo
Size

1KB
MD5

fa2856ce2a2de3f3c32c4ef325b3bb13
SHA1

ebdab9ef59e23858f1dbe2a722a733a906094417
SHA256

b0d40de806cb9b66ad7c2df8976a900ea2ca63806da702173c827aec055520ca
SHA512

3a42c0b9ef480f02d2af15fc4e65c0d8007e672e555adc39a574ff09ddae875b2c0896e89feb8c00313c76f50ae80079e17fc3be3893e3fc1b4b3e03d4272914

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\pyo_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\pyo_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.pyo\ = "pyo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\pyo_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\pyo_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.pyo	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\pyo_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\pyo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2568	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2568	AcroRd32.exe
2568	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2788	2108	cmd.exe	29
PID 2108 wrote to memory of 2788	2108	cmd.exe	29
PID 2108 wrote to memory of 2788	2108	cmd.exe	29
PID 2788 wrote to memory of 2568	2788	rundll32.exe	30
PID 2788 wrote to memory of 2568	2788	rundll32.exe	30
PID 2788 wrote to memory of 2568	2788	rundll32.exe	30
PID 2788 wrote to memory of 2568	2788	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ACADEMY34-v0.19.3.4-win\lib\python2.7\chardet\euckrprober.pyo
1⤵
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ACADEMY34-v0.19.3.4-win\lib\python2.7\chardet\euckrprober.pyo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2788
- - 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\ACADEMY34-v0.19.3.4-win\lib\python2.7\chardet\euckrprober.pyo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
d63e3ff0aa78d2d6561d19fa733d37ef

SHA1
1b72058a2d13841bb2ae4fad0a15c41056f81b31

SHA256
0227c74c6368de190f58cd1fd206af841be23397c366c5f42add9fc39b03cefe

SHA512
b29215c5b1ee9ec5b4eac8df3f0c74145838185ffc62dd271055d530b77d854a9a2f5c20045da3b08ca512800ad8f4b61d918daf44259882ab77c12c35048242

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