b2c2a9c32a27fe5c3872a0a96f96fad6597e4f8f5242ec90a7c2b69a1b409bb0

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
15-03-2024 08:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

empyrean-main/src/components/browsers.py
Size

11KB
MD5

720067bf62202ab20bd0bdce2404b294
SHA1

7c60970fd79957309b84b4265671ee7ebe7161c0
SHA256

38ddcdaa3f2ac2bbac94d7b34cc708449aec108fd2065f3555053e8916544b77
SHA512

20f10bd12ecac1f3197b7611a4911ce7f232a16432b465bc5346dd1e5c288de56042c6144104d54bc2ee53acc0bf9c98d2baf972a4b4b9aa9ce655080462f0e8
SSDEEP

192:Yo1etBr/e8k03E5YYul25ZXIbHYsq5w/wVbPRfwmbd5NcbtU03vbt2w79G+R5:gzEhFsq5w/wPfwCN903Uw73R5

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\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2752	AcroRd32.exe
2752	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2668	3028	cmd.exe	29
PID 3028 wrote to memory of 2668	3028	cmd.exe	29
PID 3028 wrote to memory of 2668	3028	cmd.exe	29
PID 2668 wrote to memory of 2752	2668	rundll32.exe	30
PID 2668 wrote to memory of 2752	2668	rundll32.exe	30
PID 2668 wrote to memory of 2752	2668	rundll32.exe	30
PID 2668 wrote to memory of 2752	2668	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\src\components\browsers.py
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\empyrean-main\src\components\browsers.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2668
- - 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\empyrean-main\src\components\browsers.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2752

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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
e33e97e91231a8ec56c3fe82115ae67a

SHA1
1738e9a3a2ef6e2530286f44c90c607862bf80b9

SHA256
04fefe445a07ee99eff699263e562f5456c814f209ee6006c9a44318f8f08584

SHA512
8b8579a3a4c51560ce0785ac943c64b7249c02dd3611f65c23db02df3b1a7204730f617c28085d39165debf4baf9a6d86b490eb69fc7db8794ec496de5dd3f1c

Download Submit