e746f10a245a5cb3d8bf010dfa30e7de6430e1f248e88d9acbb88596d01c53be

Analysis

max time kernel
17s
max time network
20s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 19:49

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Reason

Machine shutdown

Report Analysis Logs

General

Target

Chimera-1.4/configs.py
Size

647B
MD5

8ddd3e095c17ced0e5e5ec2ab92a76ab
SHA1

ede7764ef9be2c79a97305817a90a677dae4e88e
SHA256

ef3d902ff82b50e5dca266a29418de9cf43e2a048b8294cfc114e3bc5c3c5ff8
SHA512

ab195088aead07554672557305a3b9889b425a1cab69d82e5882e6612cee1747c12a27d05b560e8820d68a8ae0817f11f9d0aefff230197aa7bb36cd20cfd359

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-1-5-21-3787592910-3720486031-2929222812-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2400	AcroRd32.exe
2400	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 2768	1404	cmd.exe	29
PID 1404 wrote to memory of 2768	1404	cmd.exe	29
PID 1404 wrote to memory of 2768	1404	cmd.exe	29
PID 2768 wrote to memory of 2400	2768	rundll32.exe	30
PID 2768 wrote to memory of 2400	2768	rundll32.exe	30
PID 2768 wrote to memory of 2400	2768	rundll32.exe	30
PID 2768 wrote to memory of 2400	2768	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Chimera-1.4\configs.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Chimera-1.4\configs.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2768
- - 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\Chimera-1.4\configs.py"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2400

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2684

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1732

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

memory/1732-25-0x00000000026E0000-0x00000000026E1000-memory.dmp

Filesize
4KB

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memory/2684-24-0x0000000002A80000-0x0000000002A81000-memory.dmp

Filesize
4KB

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