0ecfa9e9370f383a669aad9db9a28109c24226496b519e7383713c7c1deaf861

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-03-2024 17:01

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General

Target

Chronos/src/utils/__pycache__/getAllFriends.cpython-310.pyc
Size

829B
MD5

2903f048ec997f713c4bd1e05c65a8e6
SHA1

17ecc0edfe57ef33c78b11444a619f4dbdebcb3f
SHA256

3fa2a9ebaec242d36c27eeec8bbc946f8a9d81cd453e33c6d1dd6af30771ab24
SHA512

6ce7348b3801bd096fb5126c45a6469e9ba82ece7889976f282505995fa0413782f4a4f9545da6c8d83c7210db00a12570e9bb56c3b675eec88e120812a5ca78

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

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2548 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2548 AcroRd32.exe
2548 AcroRd32.exe

pid	process
2548	AcroRd32.exe

pid	process
2548	AcroRd32.exe
2548	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2156 wrote to memory of 2660	2156	cmd.exe	rundll32.exe
PID 2156 wrote to memory of 2660	2156	cmd.exe	rundll32.exe
PID 2156 wrote to memory of 2660	2156	cmd.exe	rundll32.exe
PID 2660 wrote to memory of 2548	2660	rundll32.exe	AcroRd32.exe
PID 2660 wrote to memory of 2548	2660	rundll32.exe	AcroRd32.exe
PID 2660 wrote to memory of 2548	2660	rundll32.exe	AcroRd32.exe
PID 2660 wrote to memory of 2548	2660	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Chronos\src\utils\__pycache__\getAllFriends.cpython-310.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Chronos\src\utils\__pycache__\getAllFriends.cpython-310.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2660

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\Chronos\src\utils\__pycache__\getAllFriends.cpython-310.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2548

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
f09209df5baee7c67811f2a068ef5b65

SHA1
7ce70f15fb67d660884f96ccb5d94265b69f4e95

SHA256
0ac42ef4f0db7acda3bbf299b95d2940ecd5c2d3e8b5cdeb5b855f9350b2d41d

SHA512
bc63d6a9fe9c89aea4ff34abb4d96ccd20f773b5fcfb69a3a05ebb45a8f0f298722a842e54c9a50dc6c63299365813ec0be6f46094e13d6cb29f99299f3fb9e8

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