2b77092e5cb4f0d889f98f312a856970bcbe151e152a05de7b1d591199bf1468

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-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/gb2312prober.pyo
Size

1KB
MD5

f4e97765a7ee108ba4ebb4323ace14ef
SHA1

5adb9d3e63db81c44263a5f07fbfff7f4faba966
SHA256

c9bde113793685c8c56b14bf3adde9ba733767a1d5d01461375d6baf0172cf36
SHA512

823aeb5fc6f659edbd4b55d140c8f97667f8d13dc4dbbaf9f3452da4a28d3de601e84cea24bf52f934d25771d66d5f94ee2a1b5548ece0f8d76e1d54bc8ae680

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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyo_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyo_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyo_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyo	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyo\ = "pyo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyo_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyo_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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
2532	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2532	AcroRd32.exe
2532	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2700	2964	cmd.exe	29
PID 2964 wrote to memory of 2700	2964	cmd.exe	29
PID 2964 wrote to memory of 2700	2964	cmd.exe	29
PID 2700 wrote to memory of 2532	2700	rundll32.exe	30
PID 2700 wrote to memory of 2532	2700	rundll32.exe	30
PID 2700 wrote to memory of 2532	2700	rundll32.exe	30
PID 2700 wrote to memory of 2532	2700	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\gb2312prober.pyo
1⤵
- Suspicious use of WriteProcessMemory
PID:2964
- 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\gb2312prober.pyo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2700
- - 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\gb2312prober.pyo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2532

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

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
15b6ef3c191c680a946d1dc162f32817

SHA1
748d64091a2e32c9f0965f454e3ca9512f130f46

SHA256
3b42c5eca56d67d344232fffd31f3e5018887830c3358e969532a6e4114f10ad

SHA512
37b42dadd2a55d41dbae455bf5d741655d2747c5831b9c4678ffa0065f6d36984b048f62c6773b4c53c0bdc42e93bcd356508d58677525550c7c0683cc59c47f

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