4ab756f03eb0b4b9a9440403bafe4bc4f37d418555dc2e40ef451aa87dd5176b

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
08/07/2024, 15:00

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General

Target

Solyum-defibot/config.py
Size

525B
MD5

be657d24dc3dbc29777efd83ef7ed77e
SHA1

06a3f942c471f9f606505bedc7f84cb2d74b9111
SHA256

bb830591290a969839a50a1a109bbc80c3789b6424a322b05f140c86f2693048
SHA512

7ca5c64276c50bdb8b0ee0ef7e4c759af077123a3254cde03282265c51b1bcd2020053012dd8dd93f3afcd27acd9b9ba4d1dc1555091c76caabf9b9e0fc21936

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-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_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-1-5-21-1385883288-3042840365-2734249351-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2764	AcroRd32.exe
2764	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2140	2536	cmd.exe	31
PID 2536 wrote to memory of 2140	2536	cmd.exe	31
PID 2536 wrote to memory of 2140	2536	cmd.exe	31
PID 2140 wrote to memory of 2764	2140	rundll32.exe	33
PID 2140 wrote to memory of 2764	2140	rundll32.exe	33
PID 2140 wrote to memory of 2764	2140	rundll32.exe	33
PID 2140 wrote to memory of 2764	2140	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Solyum-defibot\config.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Solyum-defibot\config.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2140
- - 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\Solyum-defibot\config.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2764

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

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Downloads

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

Filesize
3KB

MD5
fe6641a1e5e40684189160398d1c8534

SHA1
94425e1f3b826940cb2548ba528794c57cadd67d

SHA256
c6341dd7ac66d08863f617e2535f57d3b0b8c219fe4b144ae27179f7a04be39c

SHA512
75f7daf0a5f54022d331f17afce65ff511584cba5ae0f323934879e222e2a2d7e566a61f7baf852815cace6ef8b5c47ea8e4139378b7b26d9a8b82db573f1a56

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