0ecfa9e9370f383a669aad9db9a28109c24226496b519e7383713c7c1deaf861

Analysis

max time kernel
119s
max time network
129s
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__/createServers.cpython-310.pyc
Size

741B
MD5

0adaeb97582b74cd6b2565e9617ad086
SHA1

4b4c34dea5534cd2950fc5905c5fef8f18f5104a
SHA256

fee80e1b905d4fdf21e2a5f81e46e8c2a371a0d96479524a90e52d33441d756b
SHA512

03bc01c4e1eebf4e97a91e03aa2cab2e4291147764415cdcc063140558108feb12efe5078b61d60e643613ab1e7e99c5cfc153a3e407789869a2426a517a8363

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-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

3004 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

3004 AcroRd32.exe
3004 AcroRd32.exe

pid	process
3004	AcroRd32.exe

pid	process
3004	AcroRd32.exe
3004	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2212 wrote to memory of 2284	2212	cmd.exe	rundll32.exe
PID 2212 wrote to memory of 2284	2212	cmd.exe	rundll32.exe
PID 2212 wrote to memory of 2284	2212	cmd.exe	rundll32.exe
PID 2284 wrote to memory of 3004	2284	rundll32.exe	AcroRd32.exe
PID 2284 wrote to memory of 3004	2284	rundll32.exe	AcroRd32.exe
PID 2284 wrote to memory of 3004	2284	rundll32.exe	AcroRd32.exe
PID 2284 wrote to memory of 3004	2284	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Chronos\src\utils\__pycache__\createServers.cpython-310.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2212

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__\createServers.cpython-310.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2284

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__\createServers.cpython-310.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:3004

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
648daddfdfff0a4f11c7d40124125dea

SHA1
2b53f62be0663661be0d037514520f8720cfa452

SHA256
2631ea34d6ccac1e1c1cd51ef527028cb18683ea67d92fed5cbe45d3182e10e5

SHA512
e0a5fb868816211d9b7a4c50e5b8f2762c982a1ab20937d90e4ea77c8c3b93fc2763938a84892c2758791e64da648a2b8db058090504b483d9a483d7655e4851

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