796c19c8a7db21c52c9fc97dcbeee2fa9167b60b009558f8ba2d87208780e348

Analysis

max time kernel
172s
max time network
139s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
01/11/2023, 02:55

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General

Target

FRASKEY BYFRON BYPASS/library/pycache/cached/dist/cache.py
Size

2KB
MD5

d9656d0f040ca522a6097eb1856e075b
SHA1

7fe80c0a8389f7315ad3e05f7f2e97cc96f0135c
SHA256

755ad113350ee4a379d29ccea1df35376ec6c5700ba01298b8914f69fd7a6c30
SHA512

2dae5611fd1647dcaf225a47932e6c3cfa95b65caec5cb59fd2af172d6670924079391a313960e9312c6b83e9e80939d907a2f0101be7115642ed7fad48e6342

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-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\py_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-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 2964	1376	cmd.exe	30
PID 1376 wrote to memory of 2964	1376	cmd.exe	30
PID 1376 wrote to memory of 2964	1376	cmd.exe	30
PID 2964 wrote to memory of 2688	2964	rundll32.exe	31
PID 2964 wrote to memory of 2688	2964	rundll32.exe	31
PID 2964 wrote to memory of 2688	2964	rundll32.exe	31
PID 2964 wrote to memory of 2688	2964	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\FRASKEY BYFRON BYPASS\library\pycache\cached\dist\cache.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\FRASKEY BYFRON BYPASS\library\pycache\cached\dist\cache.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2964
- - 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\FRASKEY BYFRON BYPASS\library\pycache\cached\dist\cache.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2688

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
a2116b335b9a9121136efef0022732b8

SHA1
917a7d4525f309628d90cc955f7593ab2bca858b

SHA256
aa5f647c1e2a49442089077b14dbe21810c6374e76e6f505b208c745bbe2cbf3

SHA512
d1f273ba7fd0fbfd2de16c8edd87330482c126815d571b119ec94ca0a9ee1a91f9abf41ee0f8aaf8688eeee21ed6b7602e5e76e90dfae32c8601615edc6b4e69

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