2b77092e5cb4f0d889f98f312a856970bcbe151e152a05de7b1d591199bf1468

Analysis

max time kernel
122s
max time network
143s
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/eucjpprober.pyo
Size

3KB
MD5

fe942399eda0396c2fd8d6bed174733e
SHA1

7ad9c31a0cfac8c9fe8a8f9d0a0fa1c6509fd453
SHA256

f0853e67458ba5468ef703bcaaa403f9c91c017ee9dfa14804ca5fb7176c4862
SHA512

c627ff7d286715e302f1838350d94164bc8bd3f32ce29e8251cdef0cfffe135518e5e7e551ba9c91e6c68c03d4a06ddc8db5ee3ea51b4f716295d03c52f42f4b

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-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pyo_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\.pyo	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pyo_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\.pyo\ = "pyo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pyo_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pyo_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pyo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pyo_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2624	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2624	AcroRd32.exe
2624	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 2532	2820	cmd.exe	29
PID 2820 wrote to memory of 2532	2820	cmd.exe	29
PID 2820 wrote to memory of 2532	2820	cmd.exe	29
PID 2532 wrote to memory of 2624	2532	rundll32.exe	30
PID 2532 wrote to memory of 2624	2532	rundll32.exe	30
PID 2532 wrote to memory of 2624	2532	rundll32.exe	30
PID 2532 wrote to memory of 2624	2532	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\eucjpprober.pyo
1⤵
- Suspicious use of WriteProcessMemory
PID:2820
- 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\eucjpprober.pyo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2532
- - 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\eucjpprober.pyo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2624

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
58429adfd8004c73a58031d500f47c2f

SHA1
ed80dd287b039bbe569f088fbc4e6e48fdf38d13

SHA256
268ab782ccfb1a18a377c13632ce43d2336cfe75eb9957175904b24e50adcdc4

SHA512
f7b8d8d5c3aedae59e6f56973fc0ac9a0142167f29eaa23e24d925c9a8b7f52e488a73a5afc514e14932e37ab11bc2d5a20fb4fe7b3c250654be4a1bec465cea

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