0ecfa9e9370f383a669aad9db9a28109c24226496b519e7383713c7c1deaf861

Analysis

max time kernel
122s
max time network
126s
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__/tokenInfo.cpython-310.pyc
Size

1KB
MD5

c132a11ec49b78d217f7861ce055d3e7
SHA1

02dbc5405b07ced5d04cc37836d81c27dc828f66
SHA256

7f09633c4ad585507b8fa36a4ddd9bff8abe9910812bda51291959f9c7946ffe
SHA512

e55e4e0eb331eb55a6dd15fcb2f7538c33e3813d3096bd9a14a9d2ca9e7f59317e5d1fb57f0b025f906fb4dfaf2917973269f055faf4ebdc1a49cf784914ee5b

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-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

1760 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

1760 AcroRd32.exe
1760 AcroRd32.exe

pid	process
1760	AcroRd32.exe

pid	process
1760	AcroRd32.exe
1760	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2240 wrote to memory of 1612	2240	cmd.exe	rundll32.exe
PID 2240 wrote to memory of 1612	2240	cmd.exe	rundll32.exe
PID 2240 wrote to memory of 1612	2240	cmd.exe	rundll32.exe
PID 1612 wrote to memory of 1760	1612	rundll32.exe	AcroRd32.exe
PID 1612 wrote to memory of 1760	1612	rundll32.exe	AcroRd32.exe
PID 1612 wrote to memory of 1760	1612	rundll32.exe	AcroRd32.exe
PID 1612 wrote to memory of 1760	1612	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Chronos\src\utils\__pycache__\tokenInfo.cpython-310.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2240

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__\tokenInfo.cpython-310.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1612

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__\tokenInfo.cpython-310.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1760

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
0545ea9b9e1ec40b784f73a2f80fe518

SHA1
d2ea8dc2b1e55edf2fc0ae5a0353bd72c90c9253

SHA256
d3051b4a30e8896f01875f71bd917e4e13e68ca4f7f2f15af34389be954458ac

SHA512
ac438f0fc7c31d1fbaadf519be2cc487038006c1a5832a4faf14b15402866d2a68080d8dd029a2a847e68993f6463b552197399da3092832892af10c91670d7c

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