2b77092e5cb4f0d889f98f312a856970bcbe151e152a05de7b1d591199bf1468

Analysis

max time kernel
118s
max time network
127s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-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/euctwfreq.pyo
Size

53KB
MD5

6b316facdb73d64e83a94c08f63ad03c
SHA1

5a928dc0df25f68c00a88ff581824caca2e49648
SHA256

d04ce8ece3d1e3a37a9277683b06e0384511e3035907173db34174ec1acf167f
SHA512

b3af9d72f8dd6c7ad5465848f34de2de090703727ce38e3522943757f0d3774eb7212fb3fac92da24bc60904e0835dc65e813b32f677c6def642e9e6b1bcd946
SSDEEP

768:NERMnbZG1m4FosjrrDmNH09WDlDMWLSG5ERMnbZG1m4FosjrrDmNH09WDlDMWLSl:YCEtK+rrUfDlLRcCEtK+rrUfDlLRq

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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyo_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyo_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyo_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyo	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyo\ = "pyo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyo_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyo_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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
2800	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2800	AcroRd32.exe
2800	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2516	2348	cmd.exe	29
PID 2348 wrote to memory of 2516	2348	cmd.exe	29
PID 2348 wrote to memory of 2516	2348	cmd.exe	29
PID 2516 wrote to memory of 2800	2516	rundll32.exe	30
PID 2516 wrote to memory of 2800	2516	rundll32.exe	30
PID 2516 wrote to memory of 2800	2516	rundll32.exe	30
PID 2516 wrote to memory of 2800	2516	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\euctwfreq.pyo
1⤵
- Suspicious use of WriteProcessMemory
PID:2348
- 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\euctwfreq.pyo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2516
- - 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\euctwfreq.pyo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2800

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
5742e7c0914ab187f84fa24c13fc117e

SHA1
3579cd3b0124bb3dabb0de94275d8820151534ce

SHA256
4364fcc2206aba7207f1b358ce1dc8e7061c8d4ba5ed14efae687adc9d0eadef

SHA512
a5dfa293563110826e6fbab29e002538c3c921853d982e943cc4171995a1de036347dc16c13c86f6cd45658078caa44a33a74f666b7ee9c40c49a69468528cd4

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