efd2a353a9d84e4c5896e1378f8c9f4c9edc02323fc6a2d237d0cbbada28e99c

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 17:48

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General

Target

Keys 17.0.0/prod.keys
Size

14KB
MD5

4ed853d4a52e6b9b9e11954f155ecb8a
SHA1

d6cedce971a2a4ab2588e39285a9d2fb37b62924
SHA256

76df55f85c6628cd924f227a72a301bbb731833c0a0f00c440e01e6b34480990
SHA512

270807500ee0e4a2414efe7d05d59fb2fd17830a2433342a06502355ddc8694b667760a8d2cd50a150d529c21dcdc243bce026251f00ccbcfde403d44064c59b
SSDEEP

384:inP5ycEm3I3Re4qwjHJMN3lhDkzRdKOKKY:inPvt3ImCHJMNVhDkzaOKZ

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2544	3024	cmd.exe	29
PID 3024 wrote to memory of 2544	3024	cmd.exe	29
PID 3024 wrote to memory of 2544	3024	cmd.exe	29
PID 2544 wrote to memory of 2832	2544	rundll32.exe	30
PID 2544 wrote to memory of 2832	2544	rundll32.exe	30
PID 2544 wrote to memory of 2832	2544	rundll32.exe	30
PID 2544 wrote to memory of 2832	2544	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Keys 17.0.0\prod.keys"
1⤵
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Keys 17.0.0\prod.keys
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2544
- - 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\Keys 17.0.0\prod.keys"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2832

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
83063890b8bbcd45311a109b6f915595

SHA1
464167dd7aeea39b287cd22f554f47717d55b10d

SHA256
9c53521fb87fc2efb3fbd34dbb352aadab7a39b515c409b38a8fbec1c0d74a6b

SHA512
105f445d2103d4e9e1ebbd2761075865fc667a1c4534b42d9a00f453aaf3be9ce3f79519cf8a6beb43d5cbe4b72c659c5b679e510c5db313337115380165ac6e

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