a73f041afa6413f0fd67e9672bc4b956c9be1ca2f4de3bcf6455d5e0d3c67b89

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
11-05-2024 13:37

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General

Target

cryptic tool/util/18_ServerLookup/serverlookup.py
Size

3KB
MD5

29c3ee6422fca392c2d699031141a5aa
SHA1

5f17f6f1a92875de2583bf83a8387f2715961e4a
SHA256

733eceafa25b785cfa2bc974e5eda4e73b2c40908c82b70e6f0bdf1c7d47b302
SHA512

d2eeb5debf0de3d4f9f860fedc748acee4715a7e651f2128688b41833e30de4a5d9037b6b6928479da6f0af971fbc245adfc4d05aa529a344c5c3fcb998cd9be

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2420	AcroRd32.exe
2420	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 2404	2588	cmd.exe	29
PID 2588 wrote to memory of 2404	2588	cmd.exe	29
PID 2588 wrote to memory of 2404	2588	cmd.exe	29
PID 2404 wrote to memory of 2420	2404	rundll32.exe	30
PID 2404 wrote to memory of 2420	2404	rundll32.exe	30
PID 2404 wrote to memory of 2420	2404	rundll32.exe	30
PID 2404 wrote to memory of 2420	2404	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\cryptic tool\util\18_ServerLookup\serverlookup.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\cryptic tool\util\18_ServerLookup\serverlookup.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2404
- - 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\cryptic tool\util\18_ServerLookup\serverlookup.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2420

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

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

Filesize
3KB

MD5
e25d3178d74ea700ace63b36c5fc01b7

SHA1
122ad958e07632a7b45513bce36aa837aae45cb8

SHA256
17847de70130b34789af573d5ec5c436c5d817eba0657e7330324acc5212f369

SHA512
2d1bfd794494670e78128d71873695680ca143d5b02451c5bc7c89bcce09eba246d2ce455cbc053f3a058c338c83c07223f0d601a95083e5925c4d5917a7184b

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